#include "attr.h"
#include "run-command.h"
#include "utf8.h"
+#include "object-store.h"
#include "userdiff.h"
#include "submodule-config.h"
#include "submodule.h"
+#include "hashmap.h"
#include "ll-merge.h"
#include "string-list.h"
#include "argv-array.h"
#include "graph.h"
+#include "packfile.h"
+#include "help.h"
#ifdef NO_FAST_WORKING_DIRECTORY
#define FAST_WORKING_DIRECTORY 0
static int diff_rename_limit_default = 400;
static int diff_suppress_blank_empty;
static int diff_use_color_default = -1;
+static int diff_color_moved_default;
+static int diff_color_moved_ws_default;
static int diff_context_default = 3;
static int diff_interhunk_context_default;
static const char *diff_word_regex_cfg;
GIT_COLOR_YELLOW, /* COMMIT */
GIT_COLOR_BG_RED, /* WHITESPACE */
GIT_COLOR_NORMAL, /* FUNCINFO */
+ GIT_COLOR_BOLD_MAGENTA, /* OLD_MOVED */
+ GIT_COLOR_BOLD_BLUE, /* OLD_MOVED ALTERNATIVE */
+ GIT_COLOR_FAINT, /* OLD_MOVED_DIM */
+ GIT_COLOR_FAINT_ITALIC, /* OLD_MOVED_ALTERNATIVE_DIM */
+ GIT_COLOR_BOLD_CYAN, /* NEW_MOVED */
+ GIT_COLOR_BOLD_YELLOW, /* NEW_MOVED ALTERNATIVE */
+ GIT_COLOR_FAINT, /* NEW_MOVED_DIM */
+ GIT_COLOR_FAINT_ITALIC, /* NEW_MOVED_ALTERNATIVE_DIM */
+ GIT_COLOR_FAINT, /* CONTEXT_DIM */
+ GIT_COLOR_FAINT_RED, /* OLD_DIM */
+ GIT_COLOR_FAINT_GREEN, /* NEW_DIM */
+ GIT_COLOR_BOLD, /* CONTEXT_BOLD */
+ GIT_COLOR_BOLD_RED, /* OLD_BOLD */
+ GIT_COLOR_BOLD_GREEN, /* NEW_BOLD */
+};
+
+static const char *color_diff_slots[] = {
+ [DIFF_CONTEXT] = "context",
+ [DIFF_METAINFO] = "meta",
+ [DIFF_FRAGINFO] = "frag",
+ [DIFF_FILE_OLD] = "old",
+ [DIFF_FILE_NEW] = "new",
+ [DIFF_COMMIT] = "commit",
+ [DIFF_WHITESPACE] = "whitespace",
+ [DIFF_FUNCINFO] = "func",
+ [DIFF_FILE_OLD_MOVED] = "oldMoved",
+ [DIFF_FILE_OLD_MOVED_ALT] = "oldMovedAlternative",
+ [DIFF_FILE_OLD_MOVED_DIM] = "oldMovedDimmed",
+ [DIFF_FILE_OLD_MOVED_ALT_DIM] = "oldMovedAlternativeDimmed",
+ [DIFF_FILE_NEW_MOVED] = "newMoved",
+ [DIFF_FILE_NEW_MOVED_ALT] = "newMovedAlternative",
+ [DIFF_FILE_NEW_MOVED_DIM] = "newMovedDimmed",
+ [DIFF_FILE_NEW_MOVED_ALT_DIM] = "newMovedAlternativeDimmed",
+ [DIFF_CONTEXT_DIM] = "contextDimmed",
+ [DIFF_FILE_OLD_DIM] = "oldDimmed",
+ [DIFF_FILE_NEW_DIM] = "newDimmed",
+ [DIFF_CONTEXT_BOLD] = "contextBold",
+ [DIFF_FILE_OLD_BOLD] = "oldBold",
+ [DIFF_FILE_NEW_BOLD] = "newBold",
};
static NORETURN void die_want_option(const char *option_name)
die(_("option '%s' requires a value"), option_name);
}
+define_list_config_array_extra(color_diff_slots, {"plain"});
+
static int parse_diff_color_slot(const char *var)
{
- if (!strcasecmp(var, "context") || !strcasecmp(var, "plain"))
+ if (!strcasecmp(var, "plain"))
return DIFF_CONTEXT;
- if (!strcasecmp(var, "meta"))
- return DIFF_METAINFO;
- if (!strcasecmp(var, "frag"))
- return DIFF_FRAGINFO;
- if (!strcasecmp(var, "old"))
- return DIFF_FILE_OLD;
- if (!strcasecmp(var, "new"))
- return DIFF_FILE_NEW;
- if (!strcasecmp(var, "commit"))
- return DIFF_COMMIT;
- if (!strcasecmp(var, "whitespace"))
- return DIFF_WHITESPACE;
- if (!strcasecmp(var, "func"))
- return DIFF_FUNCINFO;
- return -1;
+ return LOOKUP_CONFIG(color_diff_slots, var);
}
static int parse_dirstat_params(struct diff_options *options, const char *params_string,
for (i = 0; i < params.nr; i++) {
const char *p = params.items[i].string;
if (!strcmp(p, "changes")) {
- DIFF_OPT_CLR(options, DIRSTAT_BY_LINE);
- DIFF_OPT_CLR(options, DIRSTAT_BY_FILE);
+ options->flags.dirstat_by_line = 0;
+ options->flags.dirstat_by_file = 0;
} else if (!strcmp(p, "lines")) {
- DIFF_OPT_SET(options, DIRSTAT_BY_LINE);
- DIFF_OPT_CLR(options, DIRSTAT_BY_FILE);
+ options->flags.dirstat_by_line = 1;
+ options->flags.dirstat_by_file = 0;
} else if (!strcmp(p, "files")) {
- DIFF_OPT_CLR(options, DIRSTAT_BY_LINE);
- DIFF_OPT_SET(options, DIRSTAT_BY_FILE);
+ options->flags.dirstat_by_line = 0;
+ options->flags.dirstat_by_file = 1;
} else if (!strcmp(p, "noncumulative")) {
- DIFF_OPT_CLR(options, DIRSTAT_CUMULATIVE);
+ options->flags.dirstat_cumulative = 0;
} else if (!strcmp(p, "cumulative")) {
- DIFF_OPT_SET(options, DIRSTAT_CUMULATIVE);
+ options->flags.dirstat_cumulative = 1;
} else if (isdigit(*p)) {
char *end;
int permille = strtoul(p, &end, 10) * 10;
return 0;
}
-static int git_config_rename(const char *var, const char *value)
+int git_config_rename(const char *var, const char *value)
{
if (!value)
return DIFF_DETECT_RENAME;
*/
void init_diff_ui_defaults(void)
{
- diff_detect_rename_default = 1;
+ diff_detect_rename_default = DIFF_DETECT_RENAME;
}
int git_diff_heuristic_config(const char *var, const char *value, void *cb)
return 0;
}
+static int parse_color_moved(const char *arg)
+{
+ switch (git_parse_maybe_bool(arg)) {
+ case 0:
+ return COLOR_MOVED_NO;
+ case 1:
+ return COLOR_MOVED_DEFAULT;
+ default:
+ break;
+ }
+
+ if (!strcmp(arg, "no"))
+ return COLOR_MOVED_NO;
+ else if (!strcmp(arg, "plain"))
+ return COLOR_MOVED_PLAIN;
+ else if (!strcmp(arg, "blocks"))
+ return COLOR_MOVED_BLOCKS;
+ else if (!strcmp(arg, "zebra"))
+ return COLOR_MOVED_ZEBRA;
+ else if (!strcmp(arg, "default"))
+ return COLOR_MOVED_DEFAULT;
+ else if (!strcmp(arg, "dimmed-zebra"))
+ return COLOR_MOVED_ZEBRA_DIM;
+ else if (!strcmp(arg, "dimmed_zebra"))
+ return COLOR_MOVED_ZEBRA_DIM;
+ else
+ return error(_("color moved setting must be one of 'no', 'default', 'blocks', 'zebra', 'dimmed-zebra', 'plain'"));
+}
+
+static unsigned parse_color_moved_ws(const char *arg)
+{
+ int ret = 0;
+ struct string_list l = STRING_LIST_INIT_DUP;
+ struct string_list_item *i;
+
+ string_list_split(&l, arg, ',', -1);
+
+ for_each_string_list_item(i, &l) {
+ struct strbuf sb = STRBUF_INIT;
+ strbuf_addstr(&sb, i->string);
+ strbuf_trim(&sb);
+
+ if (!strcmp(sb.buf, "no"))
+ ret = 0;
+ else if (!strcmp(sb.buf, "ignore-space-change"))
+ ret |= XDF_IGNORE_WHITESPACE_CHANGE;
+ else if (!strcmp(sb.buf, "ignore-space-at-eol"))
+ ret |= XDF_IGNORE_WHITESPACE_AT_EOL;
+ else if (!strcmp(sb.buf, "ignore-all-space"))
+ ret |= XDF_IGNORE_WHITESPACE;
+ else if (!strcmp(sb.buf, "allow-indentation-change"))
+ ret |= COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE;
+ else {
+ ret |= COLOR_MOVED_WS_ERROR;
+ error(_("unknown color-moved-ws mode '%s', possible values are 'ignore-space-change', 'ignore-space-at-eol', 'ignore-all-space', 'allow-indentation-change'"), sb.buf);
+ }
+
+ strbuf_release(&sb);
+ }
+
+ if ((ret & COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) &&
+ (ret & XDF_WHITESPACE_FLAGS)) {
+ error(_("color-moved-ws: allow-indentation-change cannot be combined with other whitespace modes"));
+ ret |= COLOR_MOVED_WS_ERROR;
+ }
+
+ string_list_clear(&l, 0);
+
+ return ret;
+}
+
int git_diff_ui_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
diff_use_color_default = git_config_colorbool(var, value);
return 0;
}
+ if (!strcmp(var, "diff.colormoved")) {
+ int cm = parse_color_moved(value);
+ if (cm < 0)
+ return -1;
+ diff_color_moved_default = cm;
+ return 0;
+ }
+ if (!strcmp(var, "diff.colormovedws")) {
+ unsigned cm = parse_color_moved_ws(value);
+ if (cm & COLOR_MOVED_WS_ERROR)
+ return -1;
+ diff_color_moved_ws_default = cm;
+ return 0;
+ }
if (!strcmp(var, "diff.context")) {
diff_context_default = git_config_int(var, value);
if (diff_context_default < 0)
return 0;
}
+ if (git_color_config(var, value, cb) < 0)
+ return -1;
+
return git_diff_basic_config(var, value, cb);
}
return 0;
}
- if (starts_with(var, "submodule."))
- return parse_submodule_config_option(var, value);
-
if (git_diff_heuristic_config(var, value, cb) < 0)
return -1;
if (done_preparing)
return external_diff_cmd;
- external_diff_cmd = getenv("GIT_EXTERNAL_DIFF");
+ external_diff_cmd = xstrdup_or_null(getenv("GIT_EXTERNAL_DIFF"));
if (!external_diff_cmd)
external_diff_cmd = external_diff_cmd_cfg;
done_preparing = 1;
* If this diff_tempfile instance refers to a temporary file,
* this tempfile object is used to manage its lifetime.
*/
- struct tempfile tempfile;
+ struct tempfile *tempfile;
} diff_temp[2];
-typedef unsigned long (*sane_truncate_fn)(char *line, unsigned long len);
-
struct emit_callback {
int color_diff;
unsigned ws_rule;
int blank_at_eof_in_postimage;
int lno_in_preimage;
int lno_in_postimage;
- sane_truncate_fn truncate;
const char **label_path;
struct diff_words_data *diff_words;
struct diff_options *opt;
return count;
}
-static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one)
+static int fill_mmfile(struct repository *r, mmfile_t *mf,
+ struct diff_filespec *one)
{
if (!DIFF_FILE_VALID(one)) {
mf->ptr = (char *)""; /* does not matter */
mf->size = 0;
return 0;
}
- else if (diff_populate_filespec(one, 0))
+ else if (diff_populate_filespec(r, one, 0))
return -1;
mf->ptr = one->data;
}
/* like fill_mmfile, but only for size, so we can avoid retrieving blob */
-static unsigned long diff_filespec_size(struct diff_filespec *one)
+static unsigned long diff_filespec_size(struct repository *r,
+ struct diff_filespec *one)
{
if (!DIFF_FILE_VALID(one))
return 0;
- diff_populate_filespec(one, CHECK_SIZE_ONLY);
+ diff_populate_filespec(r, one, CHECK_SIZE_ONLY);
return one->size;
}
ecbdata->blank_at_eof_in_postimage = (at - l2) + 1;
}
-static void emit_line_0(struct diff_options *o, const char *set, const char *reset,
+static void emit_line_0(struct diff_options *o,
+ const char *set_sign, const char *set, unsigned reverse, const char *reset,
int first, const char *line, int len)
{
int has_trailing_newline, has_trailing_carriage_return;
- int nofirst;
+ int needs_reset = 0; /* at the end of the line */
FILE *file = o->file;
fputs(diff_line_prefix(o), file);
- if (len == 0) {
- has_trailing_newline = (first == '\n');
- has_trailing_carriage_return = (!has_trailing_newline &&
- (first == '\r'));
- nofirst = has_trailing_newline || has_trailing_carriage_return;
- } else {
- has_trailing_newline = (len > 0 && line[len-1] == '\n');
- if (has_trailing_newline)
- len--;
- has_trailing_carriage_return = (len > 0 && line[len-1] == '\r');
- if (has_trailing_carriage_return)
- len--;
- nofirst = 0;
+ has_trailing_newline = (len > 0 && line[len-1] == '\n');
+ if (has_trailing_newline)
+ len--;
+
+ has_trailing_carriage_return = (len > 0 && line[len-1] == '\r');
+ if (has_trailing_carriage_return)
+ len--;
+
+ if (!len && !first)
+ goto end_of_line;
+
+ if (reverse && want_color(o->use_color)) {
+ fputs(GIT_COLOR_REVERSE, file);
+ needs_reset = 1;
+ }
+
+ if (set_sign) {
+ fputs(set_sign, file);
+ needs_reset = 1;
}
- if (len || !nofirst) {
+ if (first)
+ fputc(first, file);
+
+ if (!len)
+ goto end_of_line;
+
+ if (set) {
+ if (set_sign && set != set_sign)
+ fputs(reset, file);
fputs(set, file);
- if (!nofirst)
- fputc(first, file);
- fwrite(line, len, 1, file);
- fputs(reset, file);
+ needs_reset = 1;
}
+ fwrite(line, len, 1, file);
+ needs_reset = 1; /* 'line' may contain color codes. */
+
+end_of_line:
+ if (needs_reset)
+ fputs(reset, file);
if (has_trailing_carriage_return)
fputc('\r', file);
if (has_trailing_newline)
static void emit_line(struct diff_options *o, const char *set, const char *reset,
const char *line, int len)
{
- emit_line_0(o, set, reset, line[0], line+1, len-1);
+ emit_line_0(o, set, NULL, 0, reset, 0, line, len);
+}
+
+enum diff_symbol {
+ DIFF_SYMBOL_BINARY_DIFF_HEADER,
+ DIFF_SYMBOL_BINARY_DIFF_HEADER_DELTA,
+ DIFF_SYMBOL_BINARY_DIFF_HEADER_LITERAL,
+ DIFF_SYMBOL_BINARY_DIFF_BODY,
+ DIFF_SYMBOL_BINARY_DIFF_FOOTER,
+ DIFF_SYMBOL_STATS_SUMMARY_NO_FILES,
+ DIFF_SYMBOL_STATS_SUMMARY_ABBREV,
+ DIFF_SYMBOL_STATS_SUMMARY_INSERTS_DELETES,
+ DIFF_SYMBOL_STATS_LINE,
+ DIFF_SYMBOL_WORD_DIFF,
+ DIFF_SYMBOL_STAT_SEP,
+ DIFF_SYMBOL_SUMMARY,
+ DIFF_SYMBOL_SUBMODULE_ADD,
+ DIFF_SYMBOL_SUBMODULE_DEL,
+ DIFF_SYMBOL_SUBMODULE_UNTRACKED,
+ DIFF_SYMBOL_SUBMODULE_MODIFIED,
+ DIFF_SYMBOL_SUBMODULE_HEADER,
+ DIFF_SYMBOL_SUBMODULE_ERROR,
+ DIFF_SYMBOL_SUBMODULE_PIPETHROUGH,
+ DIFF_SYMBOL_REWRITE_DIFF,
+ DIFF_SYMBOL_BINARY_FILES,
+ DIFF_SYMBOL_HEADER,
+ DIFF_SYMBOL_FILEPAIR_PLUS,
+ DIFF_SYMBOL_FILEPAIR_MINUS,
+ DIFF_SYMBOL_WORDS_PORCELAIN,
+ DIFF_SYMBOL_WORDS,
+ DIFF_SYMBOL_CONTEXT,
+ DIFF_SYMBOL_CONTEXT_INCOMPLETE,
+ DIFF_SYMBOL_PLUS,
+ DIFF_SYMBOL_MINUS,
+ DIFF_SYMBOL_NO_LF_EOF,
+ DIFF_SYMBOL_CONTEXT_FRAGINFO,
+ DIFF_SYMBOL_CONTEXT_MARKER,
+ DIFF_SYMBOL_SEPARATOR
+};
+/*
+ * Flags for content lines:
+ * 0..12 are whitespace rules
+ * 13-15 are WSEH_NEW | WSEH_OLD | WSEH_CONTEXT
+ * 16 is marking if the line is blank at EOF
+ */
+#define DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF (1<<16)
+#define DIFF_SYMBOL_MOVED_LINE (1<<17)
+#define DIFF_SYMBOL_MOVED_LINE_ALT (1<<18)
+#define DIFF_SYMBOL_MOVED_LINE_UNINTERESTING (1<<19)
+#define DIFF_SYMBOL_CONTENT_WS_MASK (WSEH_NEW | WSEH_OLD | WSEH_CONTEXT | WS_RULE_MASK)
+
+/*
+ * This struct is used when we need to buffer the output of the diff output.
+ *
+ * NEEDSWORK: Instead of storing a copy of the line, add an offset pointer
+ * into the pre/post image file. This pointer could be a union with the
+ * line pointer. By storing an offset into the file instead of the literal line,
+ * we can decrease the memory footprint for the buffered output. At first we
+ * may want to only have indirection for the content lines, but we could also
+ * enhance the state for emitting prefabricated lines, e.g. the similarity
+ * score line or hunk/file headers would only need to store a number or path
+ * and then the output can be constructed later on depending on state.
+ */
+struct emitted_diff_symbol {
+ const char *line;
+ int len;
+ int flags;
+ int indent_off; /* Offset to first non-whitespace character */
+ int indent_width; /* The visual width of the indentation */
+ enum diff_symbol s;
+};
+#define EMITTED_DIFF_SYMBOL_INIT {NULL}
+
+struct emitted_diff_symbols {
+ struct emitted_diff_symbol *buf;
+ int nr, alloc;
+};
+#define EMITTED_DIFF_SYMBOLS_INIT {NULL, 0, 0}
+
+static void append_emitted_diff_symbol(struct diff_options *o,
+ struct emitted_diff_symbol *e)
+{
+ struct emitted_diff_symbol *f;
+
+ ALLOC_GROW(o->emitted_symbols->buf,
+ o->emitted_symbols->nr + 1,
+ o->emitted_symbols->alloc);
+ f = &o->emitted_symbols->buf[o->emitted_symbols->nr++];
+
+ memcpy(f, e, sizeof(struct emitted_diff_symbol));
+ f->line = e->line ? xmemdupz(e->line, e->len) : NULL;
}
-static int new_blank_line_at_eof(struct emit_callback *ecbdata, const char *line, int len)
+struct moved_entry {
+ struct hashmap_entry ent;
+ const struct emitted_diff_symbol *es;
+ struct moved_entry *next_line;
+};
+
+struct moved_block {
+ struct moved_entry *match;
+ int wsd; /* The whitespace delta of this block */
+};
+
+static void moved_block_clear(struct moved_block *b)
{
- if (!((ecbdata->ws_rule & WS_BLANK_AT_EOF) &&
- ecbdata->blank_at_eof_in_preimage &&
- ecbdata->blank_at_eof_in_postimage &&
- ecbdata->blank_at_eof_in_preimage <= ecbdata->lno_in_preimage &&
- ecbdata->blank_at_eof_in_postimage <= ecbdata->lno_in_postimage))
+ memset(b, 0, sizeof(*b));
+}
+
+#define INDENT_BLANKLINE INT_MIN
+
+static void fill_es_indent_data(struct emitted_diff_symbol *es)
+{
+ unsigned int off = 0, i;
+ int width = 0, tab_width = es->flags & WS_TAB_WIDTH_MASK;
+ const char *s = es->line;
+ const int len = es->len;
+
+ /* skip any \v \f \r at start of indentation */
+ while (s[off] == '\f' || s[off] == '\v' ||
+ (s[off] == '\r' && off < len - 1))
+ off++;
+
+ /* calculate the visual width of indentation */
+ while(1) {
+ if (s[off] == ' ') {
+ width++;
+ off++;
+ } else if (s[off] == '\t') {
+ width += tab_width - (width % tab_width);
+ while (s[++off] == '\t')
+ width += tab_width;
+ } else {
+ break;
+ }
+ }
+
+ /* check if this line is blank */
+ for (i = off; i < len; i++)
+ if (!isspace(s[i]))
+ break;
+
+ if (i == len) {
+ es->indent_width = INDENT_BLANKLINE;
+ es->indent_off = len;
+ } else {
+ es->indent_off = off;
+ es->indent_width = width;
+ }
+}
+
+static int compute_ws_delta(const struct emitted_diff_symbol *a,
+ const struct emitted_diff_symbol *b,
+ int *out)
+{
+ int a_len = a->len,
+ b_len = b->len,
+ a_off = a->indent_off,
+ a_width = a->indent_width,
+ b_off = b->indent_off,
+ b_width = b->indent_width;
+ int delta;
+
+ if (a_width == INDENT_BLANKLINE && b_width == INDENT_BLANKLINE) {
+ *out = INDENT_BLANKLINE;
+ return 1;
+ }
+
+ if (a->s == DIFF_SYMBOL_PLUS)
+ delta = a_width - b_width;
+ else
+ delta = b_width - a_width;
+
+ if (a_len - a_off != b_len - b_off ||
+ memcmp(a->line + a_off, b->line + b_off, a_len - a_off))
return 0;
- return ws_blank_line(line, len, ecbdata->ws_rule);
+
+ *out = delta;
+
+ return 1;
}
-static void emit_line_checked(const char *reset,
- struct emit_callback *ecbdata,
- const char *line, int len,
- enum color_diff color,
- unsigned ws_error_highlight,
- char sign)
+static int cmp_in_block_with_wsd(const struct diff_options *o,
+ const struct moved_entry *cur,
+ const struct moved_entry *match,
+ struct moved_block *pmb,
+ int n)
+{
+ struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
+ int al = cur->es->len, bl = match->es->len, cl = l->len;
+ const char *a = cur->es->line,
+ *b = match->es->line,
+ *c = l->line;
+ int a_off = cur->es->indent_off,
+ a_width = cur->es->indent_width,
+ c_off = l->indent_off,
+ c_width = l->indent_width;
+ int delta;
+
+ /*
+ * We need to check if 'cur' is equal to 'match'. As those
+ * are from the same (+/-) side, we do not need to adjust for
+ * indent changes. However these were found using fuzzy
+ * matching so we do have to check if they are equal. Here we
+ * just check the lengths. We delay calling memcmp() to check
+ * the contents until later as if the length comparison for a
+ * and c fails we can avoid the call all together.
+ */
+ if (al != bl)
+ return 1;
+
+ /* If 'l' and 'cur' are both blank then they match. */
+ if (a_width == INDENT_BLANKLINE && c_width == INDENT_BLANKLINE)
+ return 0;
+
+ /*
+ * The indent changes of the block are known and stored in pmb->wsd;
+ * however we need to check if the indent changes of the current line
+ * match those of the current block and that the text of 'l' and 'cur'
+ * after the indentation match.
+ */
+ if (cur->es->s == DIFF_SYMBOL_PLUS)
+ delta = a_width - c_width;
+ else
+ delta = c_width - a_width;
+
+ /*
+ * If the previous lines of this block were all blank then set its
+ * whitespace delta.
+ */
+ if (pmb->wsd == INDENT_BLANKLINE)
+ pmb->wsd = delta;
+
+ return !(delta == pmb->wsd && al - a_off == cl - c_off &&
+ !memcmp(a, b, al) && !
+ memcmp(a + a_off, c + c_off, al - a_off));
+}
+
+static int moved_entry_cmp(const void *hashmap_cmp_fn_data,
+ const void *entry,
+ const void *entry_or_key,
+ const void *keydata)
+{
+ const struct diff_options *diffopt = hashmap_cmp_fn_data;
+ const struct moved_entry *a = entry;
+ const struct moved_entry *b = entry_or_key;
+ unsigned flags = diffopt->color_moved_ws_handling
+ & XDF_WHITESPACE_FLAGS;
+
+ if (diffopt->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ /*
+ * As there is not specific white space config given,
+ * we'd need to check for a new block, so ignore all
+ * white space. The setup of the white space
+ * configuration for the next block is done else where
+ */
+ flags |= XDF_IGNORE_WHITESPACE;
+
+ return !xdiff_compare_lines(a->es->line, a->es->len,
+ b->es->line, b->es->len,
+ flags);
+}
+
+static struct moved_entry *prepare_entry(struct diff_options *o,
+ int line_no)
+{
+ struct moved_entry *ret = xmalloc(sizeof(*ret));
+ struct emitted_diff_symbol *l = &o->emitted_symbols->buf[line_no];
+ unsigned flags = o->color_moved_ws_handling & XDF_WHITESPACE_FLAGS;
+
+ ret->ent.hash = xdiff_hash_string(l->line, l->len, flags);
+ ret->es = l;
+ ret->next_line = NULL;
+
+ return ret;
+}
+
+static void add_lines_to_move_detection(struct diff_options *o,
+ struct hashmap *add_lines,
+ struct hashmap *del_lines)
+{
+ struct moved_entry *prev_line = NULL;
+
+ int n;
+ for (n = 0; n < o->emitted_symbols->nr; n++) {
+ struct hashmap *hm;
+ struct moved_entry *key;
+
+ switch (o->emitted_symbols->buf[n].s) {
+ case DIFF_SYMBOL_PLUS:
+ hm = add_lines;
+ break;
+ case DIFF_SYMBOL_MINUS:
+ hm = del_lines;
+ break;
+ default:
+ prev_line = NULL;
+ continue;
+ }
+
+ if (o->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ fill_es_indent_data(&o->emitted_symbols->buf[n]);
+ key = prepare_entry(o, n);
+ if (prev_line && prev_line->es->s == o->emitted_symbols->buf[n].s)
+ prev_line->next_line = key;
+
+ hashmap_add(hm, key);
+ prev_line = key;
+ }
+}
+
+static void pmb_advance_or_null(struct diff_options *o,
+ struct moved_entry *match,
+ struct hashmap *hm,
+ struct moved_block *pmb,
+ int pmb_nr)
+{
+ int i;
+ for (i = 0; i < pmb_nr; i++) {
+ struct moved_entry *prev = pmb[i].match;
+ struct moved_entry *cur = (prev && prev->next_line) ?
+ prev->next_line : NULL;
+ if (cur && !hm->cmpfn(o, cur, match, NULL)) {
+ pmb[i].match = cur;
+ } else {
+ pmb[i].match = NULL;
+ }
+ }
+}
+
+static void pmb_advance_or_null_multi_match(struct diff_options *o,
+ struct moved_entry *match,
+ struct hashmap *hm,
+ struct moved_block *pmb,
+ int pmb_nr, int n)
+{
+ int i;
+ char *got_match = xcalloc(1, pmb_nr);
+
+ for (; match; match = hashmap_get_next(hm, match)) {
+ for (i = 0; i < pmb_nr; i++) {
+ struct moved_entry *prev = pmb[i].match;
+ struct moved_entry *cur = (prev && prev->next_line) ?
+ prev->next_line : NULL;
+ if (!cur)
+ continue;
+ if (!cmp_in_block_with_wsd(o, cur, match, &pmb[i], n))
+ got_match[i] |= 1;
+ }
+ }
+
+ for (i = 0; i < pmb_nr; i++) {
+ if (got_match[i]) {
+ /* Advance to the next line */
+ pmb[i].match = pmb[i].match->next_line;
+ } else {
+ moved_block_clear(&pmb[i]);
+ }
+ }
+
+ free(got_match);
+}
+
+static int shrink_potential_moved_blocks(struct moved_block *pmb,
+ int pmb_nr)
+{
+ int lp, rp;
+
+ /* Shrink the set of potential block to the remaining running */
+ for (lp = 0, rp = pmb_nr - 1; lp <= rp;) {
+ while (lp < pmb_nr && pmb[lp].match)
+ lp++;
+ /* lp points at the first NULL now */
+
+ while (rp > -1 && !pmb[rp].match)
+ rp--;
+ /* rp points at the last non-NULL */
+
+ if (lp < pmb_nr && rp > -1 && lp < rp) {
+ pmb[lp] = pmb[rp];
+ memset(&pmb[rp], 0, sizeof(pmb[rp]));
+ rp--;
+ lp++;
+ }
+ }
+
+ /* Remember the number of running sets */
+ return rp + 1;
+}
+
+/*
+ * If o->color_moved is COLOR_MOVED_PLAIN, this function does nothing.
+ *
+ * Otherwise, if the last block has fewer alphanumeric characters than
+ * COLOR_MOVED_MIN_ALNUM_COUNT, unset DIFF_SYMBOL_MOVED_LINE on all lines in
+ * that block.
+ *
+ * The last block consists of the (n - block_length)'th line up to but not
+ * including the nth line.
+ *
+ * Returns 0 if the last block is empty or is unset by this function, non zero
+ * otherwise.
+ *
+ * NEEDSWORK: This uses the same heuristic as blame_entry_score() in blame.c.
+ * Think of a way to unify them.
+ */
+static int adjust_last_block(struct diff_options *o, int n, int block_length)
+{
+ int i, alnum_count = 0;
+ if (o->color_moved == COLOR_MOVED_PLAIN)
+ return block_length;
+ for (i = 1; i < block_length + 1; i++) {
+ const char *c = o->emitted_symbols->buf[n - i].line;
+ for (; *c; c++) {
+ if (!isalnum(*c))
+ continue;
+ alnum_count++;
+ if (alnum_count >= COLOR_MOVED_MIN_ALNUM_COUNT)
+ return 1;
+ }
+ }
+ for (i = 1; i < block_length + 1; i++)
+ o->emitted_symbols->buf[n - i].flags &= ~DIFF_SYMBOL_MOVED_LINE;
+ return 0;
+}
+
+/* Find blocks of moved code, delegate actual coloring decision to helper */
+static void mark_color_as_moved(struct diff_options *o,
+ struct hashmap *add_lines,
+ struct hashmap *del_lines)
+{
+ struct moved_block *pmb = NULL; /* potentially moved blocks */
+ int pmb_nr = 0, pmb_alloc = 0;
+ int n, flipped_block = 0, block_length = 0;
+
+
+ for (n = 0; n < o->emitted_symbols->nr; n++) {
+ struct hashmap *hm = NULL;
+ struct moved_entry *key;
+ struct moved_entry *match = NULL;
+ struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
+ enum diff_symbol last_symbol = 0;
+
+ switch (l->s) {
+ case DIFF_SYMBOL_PLUS:
+ hm = del_lines;
+ key = prepare_entry(o, n);
+ match = hashmap_get(hm, key, NULL);
+ free(key);
+ break;
+ case DIFF_SYMBOL_MINUS:
+ hm = add_lines;
+ key = prepare_entry(o, n);
+ match = hashmap_get(hm, key, NULL);
+ free(key);
+ break;
+ default:
+ flipped_block = 0;
+ }
+
+ if (!match) {
+ int i;
+
+ adjust_last_block(o, n, block_length);
+ for(i = 0; i < pmb_nr; i++)
+ moved_block_clear(&pmb[i]);
+ pmb_nr = 0;
+ block_length = 0;
+ flipped_block = 0;
+ last_symbol = l->s;
+ continue;
+ }
+
+ if (o->color_moved == COLOR_MOVED_PLAIN) {
+ last_symbol = l->s;
+ l->flags |= DIFF_SYMBOL_MOVED_LINE;
+ continue;
+ }
+
+ if (o->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ pmb_advance_or_null_multi_match(o, match, hm, pmb, pmb_nr, n);
+ else
+ pmb_advance_or_null(o, match, hm, pmb, pmb_nr);
+
+ pmb_nr = shrink_potential_moved_blocks(pmb, pmb_nr);
+
+ if (pmb_nr == 0) {
+ /*
+ * The current line is the start of a new block.
+ * Setup the set of potential blocks.
+ */
+ for (; match; match = hashmap_get_next(hm, match)) {
+ ALLOC_GROW(pmb, pmb_nr + 1, pmb_alloc);
+ if (o->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) {
+ if (compute_ws_delta(l, match->es,
+ &pmb[pmb_nr].wsd))
+ pmb[pmb_nr++].match = match;
+ } else {
+ pmb[pmb_nr].wsd = 0;
+ pmb[pmb_nr++].match = match;
+ }
+ }
+
+ if (adjust_last_block(o, n, block_length) &&
+ pmb_nr && last_symbol != l->s)
+ flipped_block = (flipped_block + 1) % 2;
+ else
+ flipped_block = 0;
+
+ block_length = 0;
+ }
+
+ if (pmb_nr) {
+ block_length++;
+ l->flags |= DIFF_SYMBOL_MOVED_LINE;
+ if (flipped_block && o->color_moved != COLOR_MOVED_BLOCKS)
+ l->flags |= DIFF_SYMBOL_MOVED_LINE_ALT;
+ }
+ last_symbol = l->s;
+ }
+ adjust_last_block(o, n, block_length);
+
+ for(n = 0; n < pmb_nr; n++)
+ moved_block_clear(&pmb[n]);
+ free(pmb);
+}
+
+#define DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK \
+ (DIFF_SYMBOL_MOVED_LINE | DIFF_SYMBOL_MOVED_LINE_ALT)
+static void dim_moved_lines(struct diff_options *o)
+{
+ int n;
+ for (n = 0; n < o->emitted_symbols->nr; n++) {
+ struct emitted_diff_symbol *prev = (n != 0) ?
+ &o->emitted_symbols->buf[n - 1] : NULL;
+ struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
+ struct emitted_diff_symbol *next =
+ (n < o->emitted_symbols->nr - 1) ?
+ &o->emitted_symbols->buf[n + 1] : NULL;
+
+ /* Not a plus or minus line? */
+ if (l->s != DIFF_SYMBOL_PLUS && l->s != DIFF_SYMBOL_MINUS)
+ continue;
+
+ /* Not a moved line? */
+ if (!(l->flags & DIFF_SYMBOL_MOVED_LINE))
+ continue;
+
+ /*
+ * If prev or next are not a plus or minus line,
+ * pretend they don't exist
+ */
+ if (prev && prev->s != DIFF_SYMBOL_PLUS &&
+ prev->s != DIFF_SYMBOL_MINUS)
+ prev = NULL;
+ if (next && next->s != DIFF_SYMBOL_PLUS &&
+ next->s != DIFF_SYMBOL_MINUS)
+ next = NULL;
+
+ /* Inside a block? */
+ if ((prev &&
+ (prev->flags & DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK) ==
+ (l->flags & DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK)) &&
+ (next &&
+ (next->flags & DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK) ==
+ (l->flags & DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK))) {
+ l->flags |= DIFF_SYMBOL_MOVED_LINE_UNINTERESTING;
+ continue;
+ }
+
+ /* Check if we are at an interesting bound: */
+ if (prev && (prev->flags & DIFF_SYMBOL_MOVED_LINE) &&
+ (prev->flags & DIFF_SYMBOL_MOVED_LINE_ALT) !=
+ (l->flags & DIFF_SYMBOL_MOVED_LINE_ALT))
+ continue;
+ if (next && (next->flags & DIFF_SYMBOL_MOVED_LINE) &&
+ (next->flags & DIFF_SYMBOL_MOVED_LINE_ALT) !=
+ (l->flags & DIFF_SYMBOL_MOVED_LINE_ALT))
+ continue;
+
+ /*
+ * The boundary to prev and next are not interesting,
+ * so this line is not interesting as a whole
+ */
+ l->flags |= DIFF_SYMBOL_MOVED_LINE_UNINTERESTING;
+ }
+}
+
+static void emit_line_ws_markup(struct diff_options *o,
+ const char *set_sign, const char *set,
+ const char *reset,
+ int sign_index, const char *line, int len,
+ unsigned ws_rule, int blank_at_eof)
{
- const char *set = diff_get_color(ecbdata->color_diff, color);
const char *ws = NULL;
+ int sign = o->output_indicators[sign_index];
- if (ecbdata->opt->ws_error_highlight & ws_error_highlight) {
- ws = diff_get_color(ecbdata->color_diff, DIFF_WHITESPACE);
+ if (o->ws_error_highlight & ws_rule) {
+ ws = diff_get_color_opt(o, DIFF_WHITESPACE);
if (!*ws)
ws = NULL;
}
- if (!ws)
- emit_line_0(ecbdata->opt, set, reset, sign, line, len);
- else if (sign == '+' && new_blank_line_at_eof(ecbdata, line, len))
+ if (!ws && !set_sign)
+ emit_line_0(o, set, NULL, 0, reset, sign, line, len);
+ else if (!ws) {
+ emit_line_0(o, set_sign, set, !!set_sign, reset, sign, line, len);
+ } else if (blank_at_eof)
/* Blank line at EOF - paint '+' as well */
- emit_line_0(ecbdata->opt, ws, reset, sign, line, len);
+ emit_line_0(o, ws, NULL, 0, reset, sign, line, len);
else {
/* Emit just the prefix, then the rest. */
- emit_line_0(ecbdata->opt, set, reset, sign, "", 0);
- ws_check_emit(line, len, ecbdata->ws_rule,
- ecbdata->opt->file, set, reset, ws);
+ emit_line_0(o, set_sign ? set_sign : set, NULL, !!set_sign, reset,
+ sign, "", 0);
+ ws_check_emit(line, len, ws_rule,
+ o->file, set, reset, ws);
}
}
+static void emit_diff_symbol_from_struct(struct diff_options *o,
+ struct emitted_diff_symbol *eds)
+{
+ static const char *nneof = " No newline at end of file\n";
+ const char *context, *reset, *set, *set_sign, *meta, *fraginfo;
+ struct strbuf sb = STRBUF_INIT;
+
+ enum diff_symbol s = eds->s;
+ const char *line = eds->line;
+ int len = eds->len;
+ unsigned flags = eds->flags;
+
+ switch (s) {
+ case DIFF_SYMBOL_NO_LF_EOF:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ putc('\n', o->file);
+ emit_line_0(o, context, NULL, 0, reset, '\\',
+ nneof, strlen(nneof));
+ break;
+ case DIFF_SYMBOL_SUBMODULE_HEADER:
+ case DIFF_SYMBOL_SUBMODULE_ERROR:
+ case DIFF_SYMBOL_SUBMODULE_PIPETHROUGH:
+ case DIFF_SYMBOL_STATS_SUMMARY_INSERTS_DELETES:
+ case DIFF_SYMBOL_SUMMARY:
+ case DIFF_SYMBOL_STATS_LINE:
+ case DIFF_SYMBOL_BINARY_DIFF_BODY:
+ case DIFF_SYMBOL_CONTEXT_FRAGINFO:
+ emit_line(o, "", "", line, len);
+ break;
+ case DIFF_SYMBOL_CONTEXT_INCOMPLETE:
+ case DIFF_SYMBOL_CONTEXT_MARKER:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, context, reset, line, len);
+ break;
+ case DIFF_SYMBOL_SEPARATOR:
+ fprintf(o->file, "%s%c",
+ diff_line_prefix(o),
+ o->line_termination);
+ break;
+ case DIFF_SYMBOL_CONTEXT:
+ set = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ set_sign = NULL;
+ if (o->flags.dual_color_diffed_diffs) {
+ char c = !len ? 0 : line[0];
+
+ if (c == '+')
+ set = diff_get_color_opt(o, DIFF_FILE_NEW);
+ else if (c == '@')
+ set = diff_get_color_opt(o, DIFF_FRAGINFO);
+ else if (c == '-')
+ set = diff_get_color_opt(o, DIFF_FILE_OLD);
+ }
+ emit_line_ws_markup(o, set_sign, set, reset,
+ OUTPUT_INDICATOR_CONTEXT, line, len,
+ flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0);
+ break;
+ case DIFF_SYMBOL_PLUS:
+ switch (flags & (DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING)) {
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_MOVED_ALT_DIM);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_MOVED_ALT);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_MOVED_DIM);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_MOVED);
+ break;
+ default:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW);
+ }
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ if (!o->flags.dual_color_diffed_diffs)
+ set_sign = NULL;
+ else {
+ char c = !len ? 0 : line[0];
+
+ set_sign = set;
+ if (c == '-')
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_BOLD);
+ else if (c == '@')
+ set = diff_get_color_opt(o, DIFF_FRAGINFO);
+ else if (c == '+')
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_BOLD);
+ else
+ set = diff_get_color_opt(o, DIFF_CONTEXT_BOLD);
+ flags &= ~DIFF_SYMBOL_CONTENT_WS_MASK;
+ }
+ emit_line_ws_markup(o, set_sign, set, reset,
+ OUTPUT_INDICATOR_NEW, line, len,
+ flags & DIFF_SYMBOL_CONTENT_WS_MASK,
+ flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF);
+ break;
+ case DIFF_SYMBOL_MINUS:
+ switch (flags & (DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING)) {
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_MOVED_ALT_DIM);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_ALT:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_MOVED_ALT);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE |
+ DIFF_SYMBOL_MOVED_LINE_UNINTERESTING:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_MOVED_DIM);
+ break;
+ case DIFF_SYMBOL_MOVED_LINE:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_MOVED);
+ break;
+ default:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD);
+ }
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ if (!o->flags.dual_color_diffed_diffs)
+ set_sign = NULL;
+ else {
+ char c = !len ? 0 : line[0];
+
+ set_sign = set;
+ if (c == '+')
+ set = diff_get_color_opt(o, DIFF_FILE_NEW_DIM);
+ else if (c == '@')
+ set = diff_get_color_opt(o, DIFF_FRAGINFO);
+ else if (c == '-')
+ set = diff_get_color_opt(o, DIFF_FILE_OLD_DIM);
+ else
+ set = diff_get_color_opt(o, DIFF_CONTEXT_DIM);
+ }
+ emit_line_ws_markup(o, set_sign, set, reset,
+ OUTPUT_INDICATOR_OLD, line, len,
+ flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);
+ break;
+ case DIFF_SYMBOL_WORDS_PORCELAIN:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, context, reset, line, len);
+ fputs("~\n", o->file);
+ break;
+ case DIFF_SYMBOL_WORDS:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ /*
+ * Skip the prefix character, if any. With
+ * diff_suppress_blank_empty, there may be
+ * none.
+ */
+ if (line[0] != '\n') {
+ line++;
+ len--;
+ }
+ emit_line(o, context, reset, line, len);
+ break;
+ case DIFF_SYMBOL_FILEPAIR_PLUS:
+ meta = diff_get_color_opt(o, DIFF_METAINFO);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ fprintf(o->file, "%s%s+++ %s%s%s\n", diff_line_prefix(o), meta,
+ line, reset,
+ strchr(line, ' ') ? "\t" : "");
+ break;
+ case DIFF_SYMBOL_FILEPAIR_MINUS:
+ meta = diff_get_color_opt(o, DIFF_METAINFO);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ fprintf(o->file, "%s%s--- %s%s%s\n", diff_line_prefix(o), meta,
+ line, reset,
+ strchr(line, ' ') ? "\t" : "");
+ break;
+ case DIFF_SYMBOL_BINARY_FILES:
+ case DIFF_SYMBOL_HEADER:
+ fprintf(o->file, "%s", line);
+ break;
+ case DIFF_SYMBOL_BINARY_DIFF_HEADER:
+ fprintf(o->file, "%sGIT binary patch\n", diff_line_prefix(o));
+ break;
+ case DIFF_SYMBOL_BINARY_DIFF_HEADER_DELTA:
+ fprintf(o->file, "%sdelta %s\n", diff_line_prefix(o), line);
+ break;
+ case DIFF_SYMBOL_BINARY_DIFF_HEADER_LITERAL:
+ fprintf(o->file, "%sliteral %s\n", diff_line_prefix(o), line);
+ break;
+ case DIFF_SYMBOL_BINARY_DIFF_FOOTER:
+ fputs(diff_line_prefix(o), o->file);
+ fputc('\n', o->file);
+ break;
+ case DIFF_SYMBOL_REWRITE_DIFF:
+ fraginfo = diff_get_color(o->use_color, DIFF_FRAGINFO);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, fraginfo, reset, line, len);
+ break;
+ case DIFF_SYMBOL_SUBMODULE_ADD:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, set, reset, line, len);
+ break;
+ case DIFF_SYMBOL_SUBMODULE_DEL:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, set, reset, line, len);
+ break;
+ case DIFF_SYMBOL_SUBMODULE_UNTRACKED:
+ fprintf(o->file, "%sSubmodule %s contains untracked content\n",
+ diff_line_prefix(o), line);
+ break;
+ case DIFF_SYMBOL_SUBMODULE_MODIFIED:
+ fprintf(o->file, "%sSubmodule %s contains modified content\n",
+ diff_line_prefix(o), line);
+ break;
+ case DIFF_SYMBOL_STATS_SUMMARY_NO_FILES:
+ emit_line(o, "", "", " 0 files changed\n",
+ strlen(" 0 files changed\n"));
+ break;
+ case DIFF_SYMBOL_STATS_SUMMARY_ABBREV:
+ emit_line(o, "", "", " ...\n", strlen(" ...\n"));
+ break;
+ case DIFF_SYMBOL_WORD_DIFF:
+ fprintf(o->file, "%.*s", len, line);
+ break;
+ case DIFF_SYMBOL_STAT_SEP:
+ fputs(o->stat_sep, o->file);
+ break;
+ default:
+ BUG("unknown diff symbol");
+ }
+ strbuf_release(&sb);
+}
+
+static void emit_diff_symbol(struct diff_options *o, enum diff_symbol s,
+ const char *line, int len, unsigned flags)
+{
+ struct emitted_diff_symbol e = {line, len, flags, 0, 0, s};
+
+ if (o->emitted_symbols)
+ append_emitted_diff_symbol(o, &e);
+ else
+ emit_diff_symbol_from_struct(o, &e);
+}
+
+void diff_emit_submodule_del(struct diff_options *o, const char *line)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_DEL, line, strlen(line), 0);
+}
+
+void diff_emit_submodule_add(struct diff_options *o, const char *line)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_ADD, line, strlen(line), 0);
+}
+
+void diff_emit_submodule_untracked(struct diff_options *o, const char *path)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_UNTRACKED,
+ path, strlen(path), 0);
+}
+
+void diff_emit_submodule_modified(struct diff_options *o, const char *path)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_MODIFIED,
+ path, strlen(path), 0);
+}
+
+void diff_emit_submodule_header(struct diff_options *o, const char *header)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_HEADER,
+ header, strlen(header), 0);
+}
+
+void diff_emit_submodule_error(struct diff_options *o, const char *err)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_ERROR, err, strlen(err), 0);
+}
+
+void diff_emit_submodule_pipethrough(struct diff_options *o,
+ const char *line, int len)
+{
+ emit_diff_symbol(o, DIFF_SYMBOL_SUBMODULE_PIPETHROUGH, line, len, 0);
+}
+
+static int new_blank_line_at_eof(struct emit_callback *ecbdata, const char *line, int len)
+{
+ if (!((ecbdata->ws_rule & WS_BLANK_AT_EOF) &&
+ ecbdata->blank_at_eof_in_preimage &&
+ ecbdata->blank_at_eof_in_postimage &&
+ ecbdata->blank_at_eof_in_preimage <= ecbdata->lno_in_preimage &&
+ ecbdata->blank_at_eof_in_postimage <= ecbdata->lno_in_postimage))
+ return 0;
+ return ws_blank_line(line, len, ecbdata->ws_rule);
+}
+
static void emit_add_line(const char *reset,
struct emit_callback *ecbdata,
const char *line, int len)
{
- emit_line_checked(reset, ecbdata, line, len,
- DIFF_FILE_NEW, WSEH_NEW, '+');
+ unsigned flags = WSEH_NEW | ecbdata->ws_rule;
+ if (new_blank_line_at_eof(ecbdata, line, len))
+ flags |= DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF;
+
+ emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_PLUS, line, len, flags);
}
static void emit_del_line(const char *reset,
struct emit_callback *ecbdata,
const char *line, int len)
{
- emit_line_checked(reset, ecbdata, line, len,
- DIFF_FILE_OLD, WSEH_OLD, '-');
+ unsigned flags = WSEH_OLD | ecbdata->ws_rule;
+ emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_MINUS, line, len, flags);
}
static void emit_context_line(const char *reset,
struct emit_callback *ecbdata,
const char *line, int len)
{
- emit_line_checked(reset, ecbdata, line, len,
- DIFF_CONTEXT, WSEH_CONTEXT, ' ');
+ unsigned flags = WSEH_CONTEXT | ecbdata->ws_rule;
+ emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_CONTEXT, line, len, flags);
}
static void emit_hunk_header(struct emit_callback *ecbdata,
const char *frag = diff_get_color(ecbdata->color_diff, DIFF_FRAGINFO);
const char *func = diff_get_color(ecbdata->color_diff, DIFF_FUNCINFO);
const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
+ const char *reverse = ecbdata->color_diff ? GIT_COLOR_REVERSE : "";
static const char atat[2] = { '@', '@' };
const char *cp, *ep;
struct strbuf msgbuf = STRBUF_INIT;
if (len < 10 ||
memcmp(line, atat, 2) ||
!(ep = memmem(line + 2, len - 2, atat, 2))) {
- emit_line(ecbdata->opt, context, reset, line, len);
+ emit_diff_symbol(ecbdata->opt,
+ DIFF_SYMBOL_CONTEXT_MARKER, line, len, 0);
return;
}
ep += 2; /* skip over @@ */
/* The hunk header in fraginfo color */
+ if (ecbdata->opt->flags.dual_color_diffed_diffs)
+ strbuf_addstr(&msgbuf, reverse);
strbuf_addstr(&msgbuf, frag);
strbuf_add(&msgbuf, line, ep - line);
strbuf_addstr(&msgbuf, reset);
}
strbuf_add(&msgbuf, line + len, org_len - len);
- emit_line(ecbdata->opt, "", "", msgbuf.buf, msgbuf.len);
+ strbuf_complete_line(&msgbuf);
+ emit_diff_symbol(ecbdata->opt,
+ DIFF_SYMBOL_CONTEXT_FRAGINFO, msgbuf.buf, msgbuf.len, 0);
strbuf_release(&msgbuf);
}
-static struct diff_tempfile *claim_diff_tempfile(void) {
+static struct diff_tempfile *claim_diff_tempfile(void)
+{
int i;
for (i = 0; i < ARRAY_SIZE(diff_temp); i++)
if (!diff_temp[i].name)
return diff_temp + i;
- die("BUG: diff is failing to clean up its tempfiles");
+ BUG("diff is failing to clean up its tempfiles");
}
static void remove_tempfile(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(diff_temp); i++) {
- if (is_tempfile_active(&diff_temp[i].tempfile))
+ if (is_tempfile_active(diff_temp[i].tempfile))
delete_tempfile(&diff_temp[i].tempfile);
diff_temp[i].name = NULL;
}
}
-static void print_line_count(FILE *file, int count)
+static void add_line_count(struct strbuf *out, int count)
{
switch (count) {
case 0:
- fprintf(file, "0,0");
+ strbuf_addstr(out, "0,0");
break;
case 1:
- fprintf(file, "1");
+ strbuf_addstr(out, "1");
break;
default:
- fprintf(file, "1,%d", count);
+ strbuf_addf(out, "1,%d", count);
break;
}
}
int prefix, const char *data, int size)
{
const char *endp = NULL;
- static const char *nneof = " No newline at end of file\n";
const char *reset = diff_get_color(ecb->color_diff, DIFF_RESET);
while (0 < size) {
size -= len;
data += len;
}
- if (!endp) {
- const char *context = diff_get_color(ecb->color_diff,
- DIFF_CONTEXT);
- putc('\n', ecb->opt->file);
- emit_line_0(ecb->opt, context, reset, '\\',
- nneof, strlen(nneof));
- }
+ if (!endp)
+ emit_diff_symbol(ecb->opt, DIFF_SYMBOL_NO_LF_EOF, NULL, 0, 0);
}
static void emit_rewrite_diff(const char *name_a,
struct diff_options *o)
{
int lc_a, lc_b;
- const char *name_a_tab, *name_b_tab;
- const char *metainfo = diff_get_color(o->use_color, DIFF_METAINFO);
- const char *fraginfo = diff_get_color(o->use_color, DIFF_FRAGINFO);
- const char *reset = diff_get_color(o->use_color, DIFF_RESET);
static struct strbuf a_name = STRBUF_INIT, b_name = STRBUF_INIT;
const char *a_prefix, *b_prefix;
char *data_one, *data_two;
size_t size_one, size_two;
struct emit_callback ecbdata;
- const char *line_prefix = diff_line_prefix(o);
+ struct strbuf out = STRBUF_INIT;
- if (diff_mnemonic_prefix && DIFF_OPT_TST(o, REVERSE_DIFF)) {
+ if (diff_mnemonic_prefix && o->flags.reverse_diff) {
a_prefix = o->b_prefix;
b_prefix = o->a_prefix;
} else {
name_a += (*name_a == '/');
name_b += (*name_b == '/');
- name_a_tab = strchr(name_a, ' ') ? "\t" : "";
- name_b_tab = strchr(name_b, ' ') ? "\t" : "";
strbuf_reset(&a_name);
strbuf_reset(&b_name);
quote_two_c_style(&a_name, a_prefix, name_a, 0);
quote_two_c_style(&b_name, b_prefix, name_b, 0);
- size_one = fill_textconv(textconv_one, one, &data_one);
- size_two = fill_textconv(textconv_two, two, &data_two);
+ size_one = fill_textconv(o->repo, textconv_one, one, &data_one);
+ size_two = fill_textconv(o->repo, textconv_two, two, &data_two);
memset(&ecbdata, 0, sizeof(ecbdata));
ecbdata.color_diff = want_color(o->use_color);
- ecbdata.ws_rule = whitespace_rule(name_b);
+ ecbdata.ws_rule = whitespace_rule(o->repo->index, name_b);
ecbdata.opt = o;
if (ecbdata.ws_rule & WS_BLANK_AT_EOF) {
mmfile_t mf1, mf2;
lc_a = count_lines(data_one, size_one);
lc_b = count_lines(data_two, size_two);
- fprintf(o->file,
- "%s%s--- %s%s%s\n%s%s+++ %s%s%s\n%s%s@@ -",
- line_prefix, metainfo, a_name.buf, name_a_tab, reset,
- line_prefix, metainfo, b_name.buf, name_b_tab, reset,
- line_prefix, fraginfo);
+
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_MINUS,
+ a_name.buf, a_name.len, 0);
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_PLUS,
+ b_name.buf, b_name.len, 0);
+
+ strbuf_addstr(&out, "@@ -");
if (!o->irreversible_delete)
- print_line_count(o->file, lc_a);
+ add_line_count(&out, lc_a);
else
- fprintf(o->file, "?,?");
- fprintf(o->file, " +");
- print_line_count(o->file, lc_b);
- fprintf(o->file, " @@%s\n", reset);
+ strbuf_addstr(&out, "?,?");
+ strbuf_addstr(&out, " +");
+ add_line_count(&out, lc_b);
+ strbuf_addstr(&out, " @@\n");
+ emit_diff_symbol(o, DIFF_SYMBOL_REWRITE_DIFF, out.buf, out.len, 0);
+ strbuf_release(&out);
+
if (lc_a && !o->irreversible_delete)
emit_rewrite_lines(&ecbdata, '-', data_one, size_one);
if (lc_b)
struct diff_words_buffer {
mmfile_t text;
- long alloc;
+ unsigned long alloc;
struct diff_words_orig {
const char *begin, *end;
} *orig;
struct diff_words_style {
enum diff_words_type type;
- struct diff_words_style_elem new, old, ctx;
+ struct diff_words_style_elem new_word, old_word, ctx;
const char *newline;
};
struct diff_words_style *style;
};
-static int fn_out_diff_words_write_helper(FILE *fp,
+static int fn_out_diff_words_write_helper(struct diff_options *o,
struct diff_words_style_elem *st_el,
const char *newline,
- size_t count, const char *buf,
- const char *line_prefix)
+ size_t count, const char *buf)
{
int print = 0;
+ struct strbuf sb = STRBUF_INIT;
while (count) {
char *p = memchr(buf, '\n', count);
if (print)
- fputs(line_prefix, fp);
+ strbuf_addstr(&sb, diff_line_prefix(o));
+
if (p != buf) {
- if (st_el->color && fputs(st_el->color, fp) < 0)
- return -1;
- if (fputs(st_el->prefix, fp) < 0 ||
- fwrite(buf, p ? p - buf : count, 1, fp) != 1 ||
- fputs(st_el->suffix, fp) < 0)
- return -1;
- if (st_el->color && *st_el->color
- && fputs(GIT_COLOR_RESET, fp) < 0)
- return -1;
+ const char *reset = st_el->color && *st_el->color ?
+ GIT_COLOR_RESET : NULL;
+ if (st_el->color && *st_el->color)
+ strbuf_addstr(&sb, st_el->color);
+ strbuf_addstr(&sb, st_el->prefix);
+ strbuf_add(&sb, buf, p ? p - buf : count);
+ strbuf_addstr(&sb, st_el->suffix);
+ if (reset)
+ strbuf_addstr(&sb, reset);
}
if (!p)
- return 0;
- if (fputs(newline, fp) < 0)
- return -1;
+ goto out;
+
+ strbuf_addstr(&sb, newline);
count -= p + 1 - buf;
buf = p + 1;
print = 1;
+ if (count) {
+ emit_diff_symbol(o, DIFF_SYMBOL_WORD_DIFF,
+ sb.buf, sb.len, 0);
+ strbuf_reset(&sb);
+ }
}
+
+out:
+ if (sb.len)
+ emit_diff_symbol(o, DIFF_SYMBOL_WORD_DIFF,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
return 0;
}
}
}
-static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len)
+static void fn_out_diff_words_aux(void *priv,
+ long minus_first, long minus_len,
+ long plus_first, long plus_len,
+ const char *func, long funclen)
{
struct diff_words_data *diff_words = priv;
struct diff_words_style *style = diff_words->style;
- int minus_first, minus_len, plus_first, plus_len;
const char *minus_begin, *minus_end, *plus_begin, *plus_end;
struct diff_options *opt = diff_words->opt;
const char *line_prefix;
- if (line[0] != '@' || parse_hunk_header(line, len,
- &minus_first, &minus_len, &plus_first, &plus_len))
- return;
-
assert(opt);
line_prefix = diff_line_prefix(opt);
fputs(line_prefix, diff_words->opt->file);
}
if (diff_words->current_plus != plus_begin) {
- fn_out_diff_words_write_helper(diff_words->opt->file,
+ fn_out_diff_words_write_helper(diff_words->opt,
&style->ctx, style->newline,
plus_begin - diff_words->current_plus,
- diff_words->current_plus, line_prefix);
- if (*(plus_begin - 1) == '\n')
- fputs(line_prefix, diff_words->opt->file);
+ diff_words->current_plus);
}
if (minus_begin != minus_end) {
- fn_out_diff_words_write_helper(diff_words->opt->file,
- &style->old, style->newline,
- minus_end - minus_begin, minus_begin,
- line_prefix);
+ fn_out_diff_words_write_helper(diff_words->opt,
+ &style->old_word, style->newline,
+ minus_end - minus_begin, minus_begin);
}
if (plus_begin != plus_end) {
- fn_out_diff_words_write_helper(diff_words->opt->file,
- &style->new, style->newline,
- plus_end - plus_begin, plus_begin,
- line_prefix);
+ fn_out_diff_words_write_helper(diff_words->opt,
+ &style->new_word, style->newline,
+ plus_end - plus_begin, plus_begin);
}
diff_words->current_plus = plus_end;
/* special case: only removal */
if (!diff_words->plus.text.size) {
- fputs(line_prefix, diff_words->opt->file);
- fn_out_diff_words_write_helper(diff_words->opt->file,
- &style->old, style->newline,
+ emit_diff_symbol(diff_words->opt, DIFF_SYMBOL_WORD_DIFF,
+ line_prefix, strlen(line_prefix), 0);
+ fn_out_diff_words_write_helper(diff_words->opt,
+ &style->old_word, style->newline,
diff_words->minus.text.size,
- diff_words->minus.text.ptr, line_prefix);
+ diff_words->minus.text.ptr);
diff_words->minus.text.size = 0;
return;
}
xpp.flags = 0;
/* as only the hunk header will be parsed, we need a 0-context */
xecfg.ctxlen = 0;
- if (xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, diff_words,
- &xpp, &xecfg))
+ if (xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, NULL,
+ diff_words, &xpp, &xecfg))
die("unable to generate word diff");
free(minus.ptr);
free(plus.ptr);
if (diff_words->current_plus != diff_words->plus.text.ptr +
diff_words->plus.text.size) {
if (color_words_output_graph_prefix(diff_words))
- fputs(line_prefix, diff_words->opt->file);
- fn_out_diff_words_write_helper(diff_words->opt->file,
+ emit_diff_symbol(diff_words->opt, DIFF_SYMBOL_WORD_DIFF,
+ line_prefix, strlen(line_prefix), 0);
+ fn_out_diff_words_write_helper(diff_words->opt,
&style->ctx, style->newline,
diff_words->plus.text.ptr + diff_words->plus.text.size
- - diff_words->current_plus, diff_words->current_plus,
- line_prefix);
+ - diff_words->current_plus, diff_words->current_plus);
}
diff_words->minus.text.size = diff_words->plus.text.size = 0;
}
/* In "color-words" mode, show word-diff of words accumulated in the buffer */
static void diff_words_flush(struct emit_callback *ecbdata)
{
+ struct diff_options *wo = ecbdata->diff_words->opt;
+
if (ecbdata->diff_words->minus.text.size ||
ecbdata->diff_words->plus.text.size)
diff_words_show(ecbdata->diff_words);
+
+ if (wo->emitted_symbols) {
+ struct diff_options *o = ecbdata->opt;
+ struct emitted_diff_symbols *wol = wo->emitted_symbols;
+ int i;
+
+ /*
+ * NEEDSWORK:
+ * Instead of appending each, concat all words to a line?
+ */
+ for (i = 0; i < wol->nr; i++)
+ append_emitted_diff_symbol(o, &wol->buf[i]);
+
+ for (i = 0; i < wol->nr; i++)
+ free((void *)wol->buf[i].line);
+
+ wol->nr = 0;
+ }
}
-static void diff_filespec_load_driver(struct diff_filespec *one)
+static void diff_filespec_load_driver(struct diff_filespec *one,
+ struct index_state *istate)
{
/* Use already-loaded driver */
if (one->driver)
return;
if (S_ISREG(one->mode))
- one->driver = userdiff_find_by_path(one->path);
+ one->driver = userdiff_find_by_path(istate, one->path);
/* Fallback to default settings */
if (!one->driver)
one->driver = userdiff_find_by_name("default");
}
-static const char *userdiff_word_regex(struct diff_filespec *one)
+static const char *userdiff_word_regex(struct diff_filespec *one,
+ struct index_state *istate)
{
- diff_filespec_load_driver(one);
+ diff_filespec_load_driver(one, istate);
return one->driver->word_regex;
}
xcalloc(1, sizeof(struct diff_words_data));
ecbdata->diff_words->type = o->word_diff;
ecbdata->diff_words->opt = o;
+
+ if (orig_opts->emitted_symbols)
+ o->emitted_symbols =
+ xcalloc(1, sizeof(struct emitted_diff_symbols));
+
if (!o->word_regex)
- o->word_regex = userdiff_word_regex(one);
+ o->word_regex = userdiff_word_regex(one, o->repo->index);
if (!o->word_regex)
- o->word_regex = userdiff_word_regex(two);
+ o->word_regex = userdiff_word_regex(two, o->repo->index);
if (!o->word_regex)
o->word_regex = diff_word_regex_cfg;
if (o->word_regex) {
if (regcomp(ecbdata->diff_words->word_regex,
o->word_regex,
REG_EXTENDED | REG_NEWLINE))
- die ("Invalid regular expression: %s",
- o->word_regex);
+ die("invalid regular expression: %s",
+ o->word_regex);
}
for (i = 0; i < ARRAY_SIZE(diff_words_styles); i++) {
if (o->word_diff == diff_words_styles[i].type) {
}
if (want_color(o->use_color)) {
struct diff_words_style *st = ecbdata->diff_words->style;
- st->old.color = diff_get_color_opt(o, DIFF_FILE_OLD);
- st->new.color = diff_get_color_opt(o, DIFF_FILE_NEW);
+ st->old_word.color = diff_get_color_opt(o, DIFF_FILE_OLD);
+ st->new_word.color = diff_get_color_opt(o, DIFF_FILE_NEW);
st->ctx.color = diff_get_color_opt(o, DIFF_CONTEXT);
}
}
{
if (ecbdata->diff_words) {
diff_words_flush(ecbdata);
+ free (ecbdata->diff_words->opt->emitted_symbols);
free (ecbdata->diff_words->opt);
free (ecbdata->diff_words->minus.text.ptr);
free (ecbdata->diff_words->minus.orig);
unsigned long allot;
size_t l = len;
- if (ecb->truncate)
- return ecb->truncate(line, len);
cp = line;
allot = l;
while (0 < l) {
static void fn_out_consume(void *priv, char *line, unsigned long len)
{
struct emit_callback *ecbdata = priv;
- const char *meta = diff_get_color(ecbdata->color_diff, DIFF_METAINFO);
- const char *context = diff_get_color(ecbdata->color_diff, DIFF_CONTEXT);
const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
struct diff_options *o = ecbdata->opt;
- const char *line_prefix = diff_line_prefix(o);
o->found_changes = 1;
if (ecbdata->header) {
- fprintf(o->file, "%s", ecbdata->header->buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ ecbdata->header->buf, ecbdata->header->len, 0);
strbuf_reset(ecbdata->header);
ecbdata->header = NULL;
}
if (ecbdata->label_path[0]) {
- const char *name_a_tab, *name_b_tab;
-
- name_a_tab = strchr(ecbdata->label_path[0], ' ') ? "\t" : "";
- name_b_tab = strchr(ecbdata->label_path[1], ' ') ? "\t" : "";
-
- fprintf(o->file, "%s%s--- %s%s%s\n",
- line_prefix, meta, ecbdata->label_path[0], reset, name_a_tab);
- fprintf(o->file, "%s%s+++ %s%s%s\n",
- line_prefix, meta, ecbdata->label_path[1], reset, name_b_tab);
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_MINUS,
+ ecbdata->label_path[0],
+ strlen(ecbdata->label_path[0]), 0);
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_PLUS,
+ ecbdata->label_path[1],
+ strlen(ecbdata->label_path[1]), 0);
ecbdata->label_path[0] = ecbdata->label_path[1] = NULL;
}
len = sane_truncate_line(ecbdata, line, len);
find_lno(line, ecbdata);
emit_hunk_header(ecbdata, line, len);
- if (line[len-1] != '\n')
- putc('\n', o->file);
return;
}
if (ecbdata->diff_words) {
+ enum diff_symbol s =
+ ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN ?
+ DIFF_SYMBOL_WORDS_PORCELAIN : DIFF_SYMBOL_WORDS;
if (line[0] == '-') {
diff_words_append(line, len,
&ecbdata->diff_words->minus);
return;
}
diff_words_flush(ecbdata);
- if (ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN) {
- emit_line(o, context, reset, line, len);
- fputs("~\n", o->file);
- } else {
- /*
- * Skip the prefix character, if any. With
- * diff_suppress_blank_empty, there may be
- * none.
- */
- if (line[0] != '\n') {
- line++;
- len--;
- }
- emit_line(o, context, reset, line, len);
- }
+ emit_diff_symbol(o, s, line, len, 0);
return;
}
default:
/* incomplete line at the end */
ecbdata->lno_in_preimage++;
- emit_line(o, diff_get_color(ecbdata->color_diff, DIFF_CONTEXT),
- reset, line, len);
+ emit_diff_symbol(o, DIFF_SYMBOL_CONTEXT_INCOMPLETE,
+ line, len, 0);
break;
}
}
-static char *pprint_rename(const char *a, const char *b)
+static void pprint_rename(struct strbuf *name, const char *a, const char *b)
{
- const char *old = a;
- const char *new = b;
- struct strbuf name = STRBUF_INIT;
+ const char *old_name = a;
+ const char *new_name = b;
int pfx_length, sfx_length;
int pfx_adjust_for_slash;
int len_a = strlen(a);
int qlen_b = quote_c_style(b, NULL, NULL, 0);
if (qlen_a || qlen_b) {
- quote_c_style(a, &name, NULL, 0);
- strbuf_addstr(&name, " => ");
- quote_c_style(b, &name, NULL, 0);
- return strbuf_detach(&name, NULL);
+ quote_c_style(a, name, NULL, 0);
+ strbuf_addstr(name, " => ");
+ quote_c_style(b, name, NULL, 0);
+ return;
}
/* Find common prefix */
pfx_length = 0;
- while (*old && *new && *old == *new) {
- if (*old == '/')
- pfx_length = old - a + 1;
- old++;
- new++;
+ while (*old_name && *new_name && *old_name == *new_name) {
+ if (*old_name == '/')
+ pfx_length = old_name - a + 1;
+ old_name++;
+ new_name++;
}
/* Find common suffix */
- old = a + len_a;
- new = b + len_b;
+ old_name = a + len_a;
+ new_name = b + len_b;
sfx_length = 0;
/*
* If there is a common prefix, it must end in a slash. In
* underrun the input strings.
*/
pfx_adjust_for_slash = (pfx_length ? 1 : 0);
- while (a + pfx_length - pfx_adjust_for_slash <= old &&
- b + pfx_length - pfx_adjust_for_slash <= new &&
- *old == *new) {
- if (*old == '/')
- sfx_length = len_a - (old - a);
- old--;
- new--;
+ while (a + pfx_length - pfx_adjust_for_slash <= old_name &&
+ b + pfx_length - pfx_adjust_for_slash <= new_name &&
+ *old_name == *new_name) {
+ if (*old_name == '/')
+ sfx_length = len_a - (old_name - a);
+ old_name--;
+ new_name--;
}
/*
if (b_midlen < 0)
b_midlen = 0;
- strbuf_grow(&name, pfx_length + a_midlen + b_midlen + sfx_length + 7);
+ strbuf_grow(name, pfx_length + a_midlen + b_midlen + sfx_length + 7);
if (pfx_length + sfx_length) {
- strbuf_add(&name, a, pfx_length);
- strbuf_addch(&name, '{');
+ strbuf_add(name, a, pfx_length);
+ strbuf_addch(name, '{');
}
- strbuf_add(&name, a + pfx_length, a_midlen);
- strbuf_addstr(&name, " => ");
- strbuf_add(&name, b + pfx_length, b_midlen);
+ strbuf_add(name, a + pfx_length, a_midlen);
+ strbuf_addstr(name, " => ");
+ strbuf_add(name, b + pfx_length, b_midlen);
if (pfx_length + sfx_length) {
- strbuf_addch(&name, '}');
- strbuf_add(&name, a + len_a - sfx_length, sfx_length);
+ strbuf_addch(name, '}');
+ strbuf_add(name, a + len_a - sfx_length, sfx_length);
}
- return strbuf_detach(&name, NULL);
}
struct diffstat_t {
char *from_name;
char *name;
char *print_name;
+ const char *comments;
unsigned is_unmerged:1;
unsigned is_binary:1;
unsigned is_renamed:1;
return 1 + (it * (width - 1) / max_change);
}
-static void show_name(FILE *file,
- const char *prefix, const char *name, int len)
-{
- fprintf(file, " %s%-*s |", prefix, len, name);
-}
-
-static void show_graph(FILE *file, char ch, int cnt, const char *set, const char *reset)
+static void show_graph(struct strbuf *out, char ch, int cnt,
+ const char *set, const char *reset)
{
if (cnt <= 0)
return;
- fprintf(file, "%s", set);
- while (cnt--)
- putc(ch, file);
- fprintf(file, "%s", reset);
+ strbuf_addstr(out, set);
+ strbuf_addchars(out, ch, cnt);
+ strbuf_addstr(out, reset);
}
static void fill_print_name(struct diffstat_file *file)
{
- char *pname;
+ struct strbuf pname = STRBUF_INIT;
if (file->print_name)
return;
- if (!file->is_renamed) {
- struct strbuf buf = STRBUF_INIT;
- if (quote_c_style(file->name, &buf, NULL, 0)) {
- pname = strbuf_detach(&buf, NULL);
- } else {
- pname = file->name;
- strbuf_release(&buf);
- }
- } else {
- pname = pprint_rename(file->from_name, file->name);
- }
- file->print_name = pname;
+ if (file->is_renamed)
+ pprint_rename(&pname, file->from_name, file->name);
+ else
+ quote_c_style(file->name, &pname, NULL, 0);
+
+ if (file->comments)
+ strbuf_addf(&pname, " (%s)", file->comments);
+
+ file->print_name = strbuf_detach(&pname, NULL);
}
-int print_stat_summary(FILE *fp, int files, int insertions, int deletions)
+static void print_stat_summary_inserts_deletes(struct diff_options *options,
+ int files, int insertions, int deletions)
{
struct strbuf sb = STRBUF_INIT;
- int ret;
if (!files) {
assert(insertions == 0 && deletions == 0);
- return fprintf(fp, "%s\n", " 0 files changed");
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_SUMMARY_NO_FILES,
+ NULL, 0, 0);
+ return;
}
strbuf_addf(&sb,
deletions);
}
strbuf_addch(&sb, '\n');
- ret = fputs(sb.buf, fp);
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_SUMMARY_INSERTS_DELETES,
+ sb.buf, sb.len, 0);
strbuf_release(&sb);
- return ret;
+}
+
+void print_stat_summary(FILE *fp, int files,
+ int insertions, int deletions)
+{
+ struct diff_options o;
+ memset(&o, 0, sizeof(o));
+ o.file = fp;
+
+ print_stat_summary_inserts_deletes(&o, files, insertions, deletions);
}
static void show_stats(struct diffstat_t *data, struct diff_options *options)
int total_files = data->nr, count;
int width, name_width, graph_width, number_width = 0, bin_width = 0;
const char *reset, *add_c, *del_c;
- const char *line_prefix = "";
int extra_shown = 0;
+ const char *line_prefix = diff_line_prefix(options);
+ struct strbuf out = STRBUF_INIT;
if (data->nr == 0)
return;
- line_prefix = diff_line_prefix(options);
count = options->stat_count ? options->stat_count : data->nr;
reset = diff_get_color_opt(options, DIFF_RESET);
}
if (file->is_binary) {
- fprintf(options->file, "%s", line_prefix);
- show_name(options->file, prefix, name, len);
- fprintf(options->file, " %*s", number_width, "Bin");
+ strbuf_addf(&out, " %s%-*s |", prefix, len, name);
+ strbuf_addf(&out, " %*s", number_width, "Bin");
if (!added && !deleted) {
- putc('\n', options->file);
+ strbuf_addch(&out, '\n');
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
+ out.buf, out.len, 0);
+ strbuf_reset(&out);
continue;
}
- fprintf(options->file, " %s%"PRIuMAX"%s",
+ strbuf_addf(&out, " %s%"PRIuMAX"%s",
del_c, deleted, reset);
- fprintf(options->file, " -> ");
- fprintf(options->file, "%s%"PRIuMAX"%s",
+ strbuf_addstr(&out, " -> ");
+ strbuf_addf(&out, "%s%"PRIuMAX"%s",
add_c, added, reset);
- fprintf(options->file, " bytes");
- fprintf(options->file, "\n");
+ strbuf_addstr(&out, " bytes\n");
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
+ out.buf, out.len, 0);
+ strbuf_reset(&out);
continue;
}
else if (file->is_unmerged) {
- fprintf(options->file, "%s", line_prefix);
- show_name(options->file, prefix, name, len);
- fprintf(options->file, " Unmerged\n");
+ strbuf_addf(&out, " %s%-*s |", prefix, len, name);
+ strbuf_addstr(&out, " Unmerged\n");
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
+ out.buf, out.len, 0);
+ strbuf_reset(&out);
continue;
}
add = total - del;
}
}
- fprintf(options->file, "%s", line_prefix);
- show_name(options->file, prefix, name, len);
- fprintf(options->file, " %*"PRIuMAX"%s",
+ strbuf_addf(&out, " %s%-*s |", prefix, len, name);
+ strbuf_addf(&out, " %*"PRIuMAX"%s",
number_width, added + deleted,
added + deleted ? " " : "");
- show_graph(options->file, '+', add, add_c, reset);
- show_graph(options->file, '-', del, del_c, reset);
- fprintf(options->file, "\n");
+ show_graph(&out, '+', add, add_c, reset);
+ show_graph(&out, '-', del, del_c, reset);
+ strbuf_addch(&out, '\n');
+ emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
+ out.buf, out.len, 0);
+ strbuf_reset(&out);
}
for (i = 0; i < data->nr; i++) {
if (i < count)
continue;
if (!extra_shown)
- fprintf(options->file, "%s ...\n", line_prefix);
+ emit_diff_symbol(options,
+ DIFF_SYMBOL_STATS_SUMMARY_ABBREV,
+ NULL, 0, 0);
extra_shown = 1;
}
- fprintf(options->file, "%s", line_prefix);
- print_stat_summary(options->file, total_files, adds, dels);
+
+ print_stat_summary_inserts_deletes(options, total_files, adds, dels);
+ strbuf_release(&out);
}
static void show_shortstats(struct diffstat_t *data, struct diff_options *options)
for (i = 0; i < data->nr; i++) {
int added = data->files[i]->added;
- int deleted= data->files[i]->deleted;
+ int deleted = data->files[i]->deleted;
if (data->files[i]->is_unmerged ||
(!data->files[i]->is_interesting && (added + deleted == 0))) {
dels += deleted;
}
}
- fprintf(options->file, "%s", diff_line_prefix(options));
- print_stat_summary(options->file, total_files, adds, dels);
+ print_stat_summary_inserts_deletes(options, total_files, adds, dels);
}
static void show_numstat(struct diffstat_t *data, struct diff_options *options)
static long gather_dirstat(struct diff_options *opt, struct dirstat_dir *dir,
unsigned long changed, const char *base, int baselen)
{
- unsigned long this_dir = 0;
+ unsigned long sum_changes = 0;
unsigned int sources = 0;
const char *line_prefix = diff_line_prefix(opt);
while (dir->nr) {
struct dirstat_file *f = dir->files;
int namelen = strlen(f->name);
- unsigned long this;
+ unsigned long changes;
char *slash;
if (namelen < baselen)
slash = strchr(f->name + baselen, '/');
if (slash) {
int newbaselen = slash + 1 - f->name;
- this = gather_dirstat(opt, dir, changed, f->name, newbaselen);
+ changes = gather_dirstat(opt, dir, changed, f->name, newbaselen);
sources++;
} else {
- this = f->changed;
+ changes = f->changed;
dir->files++;
dir->nr--;
sources += 2;
}
- this_dir += this;
+ sum_changes += changes;
}
/*
* under this directory (sources == 1).
*/
if (baselen && sources != 1) {
- if (this_dir) {
- int permille = this_dir * 1000 / changed;
+ if (sum_changes) {
+ int permille = sum_changes * 1000 / changed;
if (permille >= dir->permille) {
fprintf(opt->file, "%s%4d.%01d%% %.*s\n", line_prefix,
permille / 10, permille % 10, baselen, base);
}
}
}
- return this_dir;
+ return sum_changes;
}
static int dirstat_compare(const void *_a, const void *_b)
dir.alloc = 0;
dir.nr = 0;
dir.permille = options->dirstat_permille;
- dir.cumulative = DIFF_OPT_TST(options, DIRSTAT_CUMULATIVE);
+ dir.cumulative = options->flags.dirstat_cumulative;
changed = 0;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
const char *name;
unsigned long copied, added, damage;
- int content_changed;
name = p->two->path ? p->two->path : p->one->path;
- if (p->one->oid_valid && p->two->oid_valid)
- content_changed = oidcmp(&p->one->oid, &p->two->oid);
- else
- content_changed = 1;
-
- if (!content_changed) {
+ if (p->one->oid_valid && p->two->oid_valid &&
+ oideq(&p->one->oid, &p->two->oid)) {
/*
* The SHA1 has not changed, so pre-/post-content is
* identical. We can therefore skip looking at the
goto found_damage;
}
- if (DIFF_OPT_TST(options, DIRSTAT_BY_FILE)) {
+ if (options->flags.dirstat_by_file) {
/*
* In --dirstat-by-file mode, we don't really need to
* look at the actual file contents at all.
}
if (DIFF_FILE_VALID(p->one) && DIFF_FILE_VALID(p->two)) {
- diff_populate_filespec(p->one, 0);
- diff_populate_filespec(p->two, 0);
- diffcore_count_changes(p->one, p->two, NULL, NULL,
+ diff_populate_filespec(options->repo, p->one, 0);
+ diff_populate_filespec(options->repo, p->two, 0);
+ diffcore_count_changes(options->repo,
+ p->one, p->two, NULL, NULL,
&copied, &added);
diff_free_filespec_data(p->one);
diff_free_filespec_data(p->two);
} else if (DIFF_FILE_VALID(p->one)) {
- diff_populate_filespec(p->one, CHECK_SIZE_ONLY);
+ diff_populate_filespec(options->repo, p->one, CHECK_SIZE_ONLY);
copied = added = 0;
diff_free_filespec_data(p->one);
} else if (DIFF_FILE_VALID(p->two)) {
- diff_populate_filespec(p->two, CHECK_SIZE_ONLY);
+ diff_populate_filespec(options->repo, p->two, CHECK_SIZE_ONLY);
copied = 0;
added = p->two->size;
diff_free_filespec_data(p->two);
* made to the preimage.
* If the resulting damage is zero, we know that
* diffcore_count_changes() considers the two entries to
- * be identical, but since content_changed is true, we
+ * be identical, but since the oid changed, we
* know that there must have been _some_ kind of change,
* so we force all entries to have damage > 0.
*/
dir.alloc = 0;
dir.nr = 0;
dir.permille = options->dirstat_permille;
- dir.cumulative = DIFF_OPT_TST(options, DIRSTAT_CUMULATIVE);
+ dir.cumulative = options->flags.dirstat_cumulative;
changed = 0;
for (i = 0; i < data->nr; i++) {
int i;
for (i = 0; i < diffstat->nr; i++) {
struct diffstat_file *f = diffstat->files[i];
- if (f->name != f->print_name)
- free(f->print_name);
+ free(f->print_name);
free(f->name);
free(f->from_name);
free(f);
return 1;
}
+static void checkdiff_consume_hunk(void *priv,
+ long ob, long on, long nb, long nn,
+ const char *func, long funclen)
+
+{
+ struct checkdiff_t *data = priv;
+ data->lineno = nb - 1;
+}
+
static void checkdiff_consume(void *priv, char *line, unsigned long len)
{
struct checkdiff_t *data = priv;
data->o->file, set, reset, ws);
} else if (line[0] == ' ') {
data->lineno++;
- } else if (line[0] == '@') {
- char *plus = strchr(line, '+');
- if (plus)
- data->lineno = strtol(plus, NULL, 10) - 1;
- else
- die("invalid diff");
}
}
return deflated;
}
-static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two,
- const char *prefix)
+static void emit_binary_diff_body(struct diff_options *o,
+ mmfile_t *one, mmfile_t *two)
{
void *cp;
void *delta;
}
if (delta && delta_size < deflate_size) {
- fprintf(file, "%sdelta %lu\n", prefix, orig_size);
+ char *s = xstrfmt("%"PRIuMAX , (uintmax_t)orig_size);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_HEADER_DELTA,
+ s, strlen(s), 0);
+ free(s);
free(deflated);
data = delta;
data_size = delta_size;
- }
- else {
- fprintf(file, "%sliteral %lu\n", prefix, two->size);
+ } else {
+ char *s = xstrfmt("%lu", two->size);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_HEADER_LITERAL,
+ s, strlen(s), 0);
+ free(s);
free(delta);
data = deflated;
data_size = deflate_size;
/* emit data encoded in base85 */
cp = data;
while (data_size) {
+ int len;
int bytes = (52 < data_size) ? 52 : data_size;
- char line[70];
+ char line[71];
data_size -= bytes;
if (bytes <= 26)
line[0] = bytes + 'A' - 1;
line[0] = bytes - 26 + 'a' - 1;
encode_85(line + 1, cp, bytes);
cp = (char *) cp + bytes;
- fprintf(file, "%s", prefix);
- fputs(line, file);
- fputc('\n', file);
+
+ len = strlen(line);
+ line[len++] = '\n';
+ line[len] = '\0';
+
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_BODY,
+ line, len, 0);
}
- fprintf(file, "%s\n", prefix);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_FOOTER, NULL, 0, 0);
free(data);
}
-static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two,
- const char *prefix)
+static void emit_binary_diff(struct diff_options *o,
+ mmfile_t *one, mmfile_t *two)
{
- fprintf(file, "%sGIT binary patch\n", prefix);
- emit_binary_diff_body(file, one, two, prefix);
- emit_binary_diff_body(file, two, one, prefix);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_HEADER, NULL, 0, 0);
+ emit_binary_diff_body(o, one, two);
+ emit_binary_diff_body(o, two, one);
}
-int diff_filespec_is_binary(struct diff_filespec *one)
+int diff_filespec_is_binary(struct repository *r,
+ struct diff_filespec *one)
{
if (one->is_binary == -1) {
- diff_filespec_load_driver(one);
+ diff_filespec_load_driver(one, r->index);
if (one->driver->binary != -1)
one->is_binary = one->driver->binary;
else {
if (!one->data && DIFF_FILE_VALID(one))
- diff_populate_filespec(one, CHECK_BINARY);
+ diff_populate_filespec(r, one, CHECK_BINARY);
if (one->is_binary == -1 && one->data)
one->is_binary = buffer_is_binary(one->data,
one->size);
return one->is_binary;
}
-static const struct userdiff_funcname *diff_funcname_pattern(struct diff_filespec *one)
+static const struct userdiff_funcname *
+diff_funcname_pattern(struct diff_options *o, struct diff_filespec *one)
{
- diff_filespec_load_driver(one);
+ diff_filespec_load_driver(one, o->repo->index);
return one->driver->funcname.pattern ? &one->driver->funcname : NULL;
}
options->b_prefix = b;
}
-struct userdiff_driver *get_textconv(struct diff_filespec *one)
+struct userdiff_driver *get_textconv(struct repository *r,
+ struct diff_filespec *one)
{
if (!DIFF_FILE_VALID(one))
return NULL;
- diff_filespec_load_driver(one);
- return userdiff_get_textconv(one->driver);
+ diff_filespec_load_driver(one, r->index);
+ return userdiff_get_textconv(r, one->driver);
}
static void builtin_diff(const char *name_a,
const char *line_prefix = diff_line_prefix(o);
diff_set_mnemonic_prefix(o, "a/", "b/");
- if (DIFF_OPT_TST(o, REVERSE_DIFF)) {
+ if (o->flags.reverse_diff) {
a_prefix = o->b_prefix;
b_prefix = o->a_prefix;
} else {
if (o->submodule_format == DIFF_SUBMODULE_LOG &&
(!one->mode || S_ISGITLINK(one->mode)) &&
(!two->mode || S_ISGITLINK(two->mode))) {
- const char *del = diff_get_color_opt(o, DIFF_FILE_OLD);
- const char *add = diff_get_color_opt(o, DIFF_FILE_NEW);
- show_submodule_summary(o->file, one->path ? one->path : two->path,
- line_prefix,
+ show_submodule_summary(o, one->path ? one->path : two->path,
&one->oid, &two->oid,
- two->dirty_submodule,
- meta, del, add, reset);
+ two->dirty_submodule);
return;
} else if (o->submodule_format == DIFF_SUBMODULE_INLINE_DIFF &&
(!one->mode || S_ISGITLINK(one->mode)) &&
(!two->mode || S_ISGITLINK(two->mode))) {
- const char *del = diff_get_color_opt(o, DIFF_FILE_OLD);
- const char *add = diff_get_color_opt(o, DIFF_FILE_NEW);
- show_submodule_inline_diff(o->file, one->path ? one->path : two->path,
- line_prefix,
+ show_submodule_inline_diff(o, one->path ? one->path : two->path,
&one->oid, &two->oid,
- two->dirty_submodule,
- meta, del, add, reset, o);
+ two->dirty_submodule);
return;
}
- if (DIFF_OPT_TST(o, ALLOW_TEXTCONV)) {
- textconv_one = get_textconv(one);
- textconv_two = get_textconv(two);
+ if (o->flags.allow_textconv) {
+ textconv_one = get_textconv(o->repo, one);
+ textconv_two = get_textconv(o->repo, two);
}
/* Never use a non-valid filename anywhere if at all possible */
if ((one->mode ^ two->mode) & S_IFMT)
goto free_ab_and_return;
if (complete_rewrite &&
- (textconv_one || !diff_filespec_is_binary(one)) &&
- (textconv_two || !diff_filespec_is_binary(two))) {
- fprintf(o->file, "%s", header.buf);
+ (textconv_one || !diff_filespec_is_binary(o->repo, one)) &&
+ (textconv_two || !diff_filespec_is_binary(o->repo, two))) {
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
strbuf_reset(&header);
emit_rewrite_diff(name_a, name_b, one, two,
- textconv_one, textconv_two, o);
+ textconv_one, textconv_two, o);
o->found_changes = 1;
goto free_ab_and_return;
}
}
if (o->irreversible_delete && lbl[1][0] == '/') {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf,
+ header.len, 0);
strbuf_reset(&header);
goto free_ab_and_return;
- } else if (!DIFF_OPT_TST(o, TEXT) &&
- ( (!textconv_one && diff_filespec_is_binary(one)) ||
- (!textconv_two && diff_filespec_is_binary(two)) )) {
+ } else if (!o->flags.text &&
+ ( (!textconv_one && diff_filespec_is_binary(o->repo, one)) ||
+ (!textconv_two && diff_filespec_is_binary(o->repo, two)) )) {
+ struct strbuf sb = STRBUF_INIT;
if (!one->data && !two->data &&
S_ISREG(one->mode) && S_ISREG(two->mode) &&
- !DIFF_OPT_TST(o, BINARY)) {
- if (!oidcmp(&one->oid, &two->oid)) {
+ !o->flags.binary) {
+ if (oideq(&one->oid, &two->oid)) {
if (must_show_header)
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len,
+ 0);
goto free_ab_and_return;
}
- fprintf(o->file, "%s", header.buf);
- fprintf(o->file, "%sBinary files %s and %s differ\n",
- line_prefix, lbl[0], lbl[1]);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
+ strbuf_addf(&sb, "%sBinary files %s and %s differ\n",
+ diff_line_prefix(o), lbl[0], lbl[1]);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_FILES,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
goto free_ab_and_return;
}
- if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
+ if (fill_mmfile(o->repo, &mf1, one) < 0 ||
+ fill_mmfile(o->repo, &mf2, two) < 0)
die("unable to read files to diff");
/* Quite common confusing case */
if (mf1.size == mf2.size &&
!memcmp(mf1.ptr, mf2.ptr, mf1.size)) {
if (must_show_header)
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
goto free_ab_and_return;
}
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf, header.len, 0);
strbuf_reset(&header);
- if (DIFF_OPT_TST(o, BINARY))
- emit_binary_diff(o->file, &mf1, &mf2, line_prefix);
- else
- fprintf(o->file, "%sBinary files %s and %s differ\n",
- line_prefix, lbl[0], lbl[1]);
+ if (o->flags.binary)
+ emit_binary_diff(o, &mf1, &mf2);
+ else {
+ strbuf_addf(&sb, "%sBinary files %s and %s differ\n",
+ diff_line_prefix(o), lbl[0], lbl[1]);
+ emit_diff_symbol(o, DIFF_SYMBOL_BINARY_FILES,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
+ }
o->found_changes = 1;
} else {
/* Crazy xdl interfaces.. */
- const char *diffopts = getenv("GIT_DIFF_OPTS");
+ const char *diffopts;
const char *v;
xpparam_t xpp;
xdemitconf_t xecfg;
const struct userdiff_funcname *pe;
if (must_show_header) {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
strbuf_reset(&header);
}
- mf1.size = fill_textconv(textconv_one, one, &mf1.ptr);
- mf2.size = fill_textconv(textconv_two, two, &mf2.ptr);
+ mf1.size = fill_textconv(o->repo, textconv_one, one, &mf1.ptr);
+ mf2.size = fill_textconv(o->repo, textconv_two, two, &mf2.ptr);
- pe = diff_funcname_pattern(one);
+ pe = diff_funcname_pattern(o, one);
if (!pe)
- pe = diff_funcname_pattern(two);
+ pe = diff_funcname_pattern(o, two);
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
memset(&ecbdata, 0, sizeof(ecbdata));
+ if (o->flags.suppress_diff_headers)
+ lbl[0] = NULL;
ecbdata.label_path = lbl;
ecbdata.color_diff = want_color(o->use_color);
- ecbdata.ws_rule = whitespace_rule(name_b);
+ ecbdata.ws_rule = whitespace_rule(o->repo->index, name_b);
if (ecbdata.ws_rule & WS_BLANK_AT_EOF)
check_blank_at_eof(&mf1, &mf2, &ecbdata);
ecbdata.opt = o;
- ecbdata.header = header.len ? &header : NULL;
+ if (header.len && !o->flags.suppress_diff_headers)
+ ecbdata.header = &header;
xpp.flags = o->xdl_opts;
+ xpp.anchors = o->anchors;
+ xpp.anchors_nr = o->anchors_nr;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
xecfg.flags = XDL_EMIT_FUNCNAMES;
- if (DIFF_OPT_TST(o, FUNCCONTEXT))
+ if (o->flags.funccontext)
xecfg.flags |= XDL_EMIT_FUNCCONTEXT;
if (pe)
xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags);
+
+ diffopts = getenv("GIT_DIFF_OPTS");
if (!diffopts)
;
else if (skip_prefix(diffopts, "--unified=", &v))
xecfg.ctxlen = strtoul(v, NULL, 10);
else if (skip_prefix(diffopts, "-u", &v))
xecfg.ctxlen = strtoul(v, NULL, 10);
+
if (o->word_diff)
init_diff_words_data(&ecbdata, o, one, two);
- if (xdi_diff_outf(&mf1, &mf2, fn_out_consume, &ecbdata,
- &xpp, &xecfg))
+ if (xdi_diff_outf(&mf1, &mf2, NULL, fn_out_consume,
+ &ecbdata, &xpp, &xecfg))
die("unable to generate diff for %s", one->path);
if (o->word_diff)
free_diff_words_data(&ecbdata);
return;
}
+static char *get_compact_summary(const struct diff_filepair *p, int is_renamed)
+{
+ if (!is_renamed) {
+ if (p->status == DIFF_STATUS_ADDED) {
+ if (S_ISLNK(p->two->mode))
+ return "new +l";
+ else if ((p->two->mode & 0777) == 0755)
+ return "new +x";
+ else
+ return "new";
+ } else if (p->status == DIFF_STATUS_DELETED)
+ return "gone";
+ }
+ if (S_ISLNK(p->one->mode) && !S_ISLNK(p->two->mode))
+ return "mode -l";
+ else if (!S_ISLNK(p->one->mode) && S_ISLNK(p->two->mode))
+ return "mode +l";
+ else if ((p->one->mode & 0777) == 0644 &&
+ (p->two->mode & 0777) == 0755)
+ return "mode +x";
+ else if ((p->one->mode & 0777) == 0755 &&
+ (p->two->mode & 0777) == 0644)
+ return "mode -x";
+ return NULL;
+}
+
static void builtin_diffstat(const char *name_a, const char *name_b,
struct diff_filespec *one,
struct diff_filespec *two,
data = diffstat_add(diffstat, name_a, name_b);
data->is_interesting = p->status != DIFF_STATUS_UNKNOWN;
+ if (o->flags.stat_with_summary)
+ data->comments = get_compact_summary(p, data->is_renamed);
if (!one || !two) {
data->is_unmerged = 1;
return;
}
- same_contents = !oidcmp(&one->oid, &two->oid);
+ same_contents = oideq(&one->oid, &two->oid);
- if (diff_filespec_is_binary(one) || diff_filespec_is_binary(two)) {
+ if (diff_filespec_is_binary(o->repo, one) ||
+ diff_filespec_is_binary(o->repo, two)) {
data->is_binary = 1;
if (same_contents) {
data->added = 0;
data->deleted = 0;
} else {
- data->added = diff_filespec_size(two);
- data->deleted = diff_filespec_size(one);
+ data->added = diff_filespec_size(o->repo, two);
+ data->deleted = diff_filespec_size(o->repo, one);
}
}
else if (complete_rewrite) {
- diff_populate_filespec(one, 0);
- diff_populate_filespec(two, 0);
+ diff_populate_filespec(o->repo, one, 0);
+ diff_populate_filespec(o->repo, two, 0);
data->deleted = count_lines(one->data, one->size);
data->added = count_lines(two->data, two->size);
}
xpparam_t xpp;
xdemitconf_t xecfg;
- if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
+ if (fill_mmfile(o->repo, &mf1, one) < 0 ||
+ fill_mmfile(o->repo, &mf2, two) < 0)
die("unable to read files to diff");
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
xpp.flags = o->xdl_opts;
+ xpp.anchors = o->anchors;
+ xpp.anchors_nr = o->anchors_nr;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
- if (xdi_diff_outf(&mf1, &mf2, diffstat_consume, diffstat,
- &xpp, &xecfg))
+ if (xdi_diff_outf(&mf1, &mf2, discard_hunk_line,
+ diffstat_consume, diffstat, &xpp, &xecfg))
die("unable to generate diffstat for %s", one->path);
}
data.filename = name_b ? name_b : name_a;
data.lineno = 0;
data.o = o;
- data.ws_rule = whitespace_rule(attr_path);
- data.conflict_marker_size = ll_merge_marker_size(attr_path);
+ data.ws_rule = whitespace_rule(o->repo->index, attr_path);
+ data.conflict_marker_size = ll_merge_marker_size(o->repo->index, attr_path);
- if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
+ if (fill_mmfile(o->repo, &mf1, one) < 0 ||
+ fill_mmfile(o->repo, &mf2, two) < 0)
die("unable to read files to diff");
/*
* introduced changes, and as long as the "new" side is text, we
* can and should check what it introduces.
*/
- if (diff_filespec_is_binary(two))
+ if (diff_filespec_is_binary(o->repo, two))
goto free_and_return;
else {
/* Crazy xdl interfaces.. */
memset(&xecfg, 0, sizeof(xecfg));
xecfg.ctxlen = 1; /* at least one context line */
xpp.flags = 0;
- if (xdi_diff_outf(&mf1, &mf2, checkdiff_consume, &data,
+ if (xdi_diff_outf(&mf1, &mf2, checkdiff_consume_hunk,
+ checkdiff_consume, &data,
&xpp, &xecfg))
die("unable to generate checkdiff for %s", one->path);
diff_free_filespec_data(one);
diff_free_filespec_data(two);
if (data.status)
- DIFF_OPT_SET(o, CHECK_FAILED);
+ o->flags.check_failed = 1;
}
struct diff_filespec *alloc_filespec(const char *path)
* the work tree has that object contents, return true, so that
* prepare_temp_file() does not have to inflate and extract.
*/
-static int reuse_worktree_file(const char *name, const struct object_id *oid, int want_file)
+static int reuse_worktree_file(struct index_state *istate,
+ const char *name,
+ const struct object_id *oid,
+ int want_file)
{
const struct cache_entry *ce;
struct stat st;
* by diff-cache --cached, which does read the cache before
* calling us.
*/
- if (!active_cache)
+ if (!istate->cache)
return 0;
/* We want to avoid the working directory if our caller
* objects however would tend to be slower as they need
* to be individually opened and inflated.
*/
- if (!FAST_WORKING_DIRECTORY && !want_file && has_sha1_pack(oid->hash))
+ if (!FAST_WORKING_DIRECTORY && !want_file && has_object_pack(oid))
return 0;
/*
* Similarly, if we'd have to convert the file contents anyway, that
* makes the optimization not worthwhile.
*/
- if (!want_file && would_convert_to_git(&the_index, name))
+ if (!want_file && would_convert_to_git(istate, name))
return 0;
len = strlen(name);
- pos = cache_name_pos(name, len);
+ pos = index_name_pos(istate, name, len);
if (pos < 0)
return 0;
- ce = active_cache[pos];
+ ce = istate->cache[pos];
/*
* This is not the sha1 we are looking for, or
* unreusable because it is not a regular file.
*/
- if (oidcmp(oid, &ce->oid) || !S_ISREG(ce->ce_mode))
+ if (!oideq(oid, &ce->oid) || !S_ISREG(ce->ce_mode))
return 0;
/*
* If ce matches the file in the work tree, we can reuse it.
*/
if (ce_uptodate(ce) ||
- (!lstat(name, &st) && !ce_match_stat(ce, &st, 0)))
+ (!lstat(name, &st) && !ie_match_stat(istate, ce, &st, 0)))
return 1;
return 0;
* grab the data for the blob (or file) for our own in-core comparison.
* diff_filespec has data and size fields for this purpose.
*/
-int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
+int diff_populate_filespec(struct repository *r,
+ struct diff_filespec *s,
+ unsigned int flags)
{
int size_only = flags & CHECK_SIZE_ONLY;
int err = 0;
+ int conv_flags = global_conv_flags_eol;
/*
* demote FAIL to WARN to allow inspecting the situation
* instead of refusing.
*/
- enum safe_crlf crlf_warn = (safe_crlf == SAFE_CRLF_FAIL
- ? SAFE_CRLF_WARN
- : safe_crlf);
+ if (conv_flags & CONV_EOL_RNDTRP_DIE)
+ conv_flags = CONV_EOL_RNDTRP_WARN;
if (!DIFF_FILE_VALID(s))
die("internal error: asking to populate invalid file.");
return diff_populate_gitlink(s, size_only);
if (!s->oid_valid ||
- reuse_worktree_file(s->path, &s->oid, 0)) {
+ reuse_worktree_file(r->index, s->path, &s->oid, 0)) {
struct strbuf buf = STRBUF_INIT;
struct stat st;
int fd;
if (lstat(s->path, &st) < 0) {
- if (errno == ENOENT) {
- err_empty:
- err = -1;
- empty:
- s->data = (char *)"";
- s->size = 0;
- return err;
- }
+ err_empty:
+ err = -1;
+ empty:
+ s->data = (char *)"";
+ s->size = 0;
+ return err;
}
s->size = xsize_t(st.st_size);
if (!s->size)
* point if the path requires us to run the content
* conversion.
*/
- if (size_only && !would_convert_to_git(&the_index, s->path))
+ if (size_only && !would_convert_to_git(r->index, s->path))
return 0;
/*
/*
* Convert from working tree format to canonical git format
*/
- if (convert_to_git(&the_index, s->path, s->data, s->size, &buf, crlf_warn)) {
+ if (convert_to_git(r->index, s->path, s->data, s->size, &buf, conv_flags)) {
size_t size = 0;
munmap(s->data, s->size);
s->should_munmap = 0;
else {
enum object_type type;
if (size_only || (flags & CHECK_BINARY)) {
- type = sha1_object_info(s->oid.hash, &s->size);
+ type = oid_object_info(r, &s->oid, &s->size);
if (type < 0)
die("unable to read %s",
oid_to_hex(&s->oid));
return 0;
}
}
- s->data = read_sha1_file(s->oid.hash, &type, &s->size);
+ s->data = read_object_file(&s->oid, &type, &s->size);
if (!s->data)
die("unable to read %s", oid_to_hex(&s->oid));
s->should_free = 1;
FREE_AND_NULL(s->cnt_data);
}
-static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
+static void prep_temp_blob(struct index_state *istate,
+ const char *path, struct diff_tempfile *temp,
void *blob,
unsigned long size,
const struct object_id *oid,
int mode)
{
- int fd;
struct strbuf buf = STRBUF_INIT;
- struct strbuf template = STRBUF_INIT;
+ struct strbuf tempfile = STRBUF_INIT;
char *path_dup = xstrdup(path);
const char *base = basename(path_dup);
/* Generate "XXXXXX_basename.ext" */
- strbuf_addstr(&template, "XXXXXX_");
- strbuf_addstr(&template, base);
+ strbuf_addstr(&tempfile, "XXXXXX_");
+ strbuf_addstr(&tempfile, base);
- fd = mks_tempfile_ts(&temp->tempfile, template.buf, strlen(base) + 1);
- if (fd < 0)
+ temp->tempfile = mks_tempfile_ts(tempfile.buf, strlen(base) + 1);
+ if (!temp->tempfile)
die_errno("unable to create temp-file");
- if (convert_to_working_tree(path,
+ if (convert_to_working_tree(istate, path,
(const char *)blob, (size_t)size, &buf)) {
blob = buf.buf;
size = buf.len;
}
- if (write_in_full(fd, blob, size) != size)
+ if (write_in_full(temp->tempfile->fd, blob, size) < 0 ||
+ close_tempfile_gently(temp->tempfile))
die_errno("unable to write temp-file");
- close_tempfile(&temp->tempfile);
- temp->name = get_tempfile_path(&temp->tempfile);
+ temp->name = get_tempfile_path(temp->tempfile);
oid_to_hex_r(temp->hex, oid);
xsnprintf(temp->mode, sizeof(temp->mode), "%06o", mode);
strbuf_release(&buf);
- strbuf_release(&template);
+ strbuf_release(&tempfile);
free(path_dup);
}
-static struct diff_tempfile *prepare_temp_file(const char *name,
- struct diff_filespec *one)
+static struct diff_tempfile *prepare_temp_file(struct repository *r,
+ const char *name,
+ struct diff_filespec *one)
{
struct diff_tempfile *temp = claim_diff_tempfile();
if (!S_ISGITLINK(one->mode) &&
(!one->oid_valid ||
- reuse_worktree_file(name, &one->oid, 1))) {
+ reuse_worktree_file(r->index, name, &one->oid, 1))) {
struct stat st;
if (lstat(name, &st) < 0) {
if (errno == ENOENT)
struct strbuf sb = STRBUF_INIT;
if (strbuf_readlink(&sb, name, st.st_size) < 0)
die_errno("readlink(%s)", name);
- prep_temp_blob(name, temp, sb.buf, sb.len,
+ prep_temp_blob(r->index, name, temp, sb.buf, sb.len,
(one->oid_valid ?
&one->oid : &null_oid),
(one->oid_valid ?
return temp;
}
else {
- if (diff_populate_filespec(one, 0))
+ if (diff_populate_filespec(r, one, 0))
die("cannot read data blob for %s", one->path);
- prep_temp_blob(name, temp, one->data, one->size,
+ prep_temp_blob(r->index, name, temp,
+ one->data, one->size,
&one->oid, one->mode);
}
return temp;
}
-static void add_external_diff_name(struct argv_array *argv,
+static void add_external_diff_name(struct repository *r,
+ struct argv_array *argv,
const char *name,
struct diff_filespec *df)
{
- struct diff_tempfile *temp = prepare_temp_file(name, df);
+ struct diff_tempfile *temp = prepare_temp_file(r, name, df);
argv_array_push(argv, temp->name);
argv_array_push(argv, temp->hex);
argv_array_push(argv, temp->mode);
argv_array_push(&argv, name);
if (one && two) {
- add_external_diff_name(&argv, name, one);
+ add_external_diff_name(o->repo, &argv, name, one);
if (!other)
- add_external_diff_name(&argv, name, two);
+ add_external_diff_name(o->repo, &argv, name, two);
else {
- add_external_diff_name(&argv, other, two);
+ add_external_diff_name(o->repo, &argv, other, two);
argv_array_push(&argv, other);
argv_array_push(&argv, xfrm_msg);
}
static const char *diff_abbrev_oid(const struct object_id *oid, int abbrev)
{
if (startup_info->have_repository)
- return find_unique_abbrev(oid->hash, abbrev);
+ return find_unique_abbrev(oid, abbrev);
else {
char *hex = oid_to_hex(oid);
if (abbrev < 0)
abbrev = FALLBACK_DEFAULT_ABBREV;
- if (abbrev > GIT_SHA1_HEXSZ)
- die("BUG: oid abbreviation out of range: %d", abbrev);
+ if (abbrev > the_hash_algo->hexsz)
+ BUG("oid abbreviation out of range: %d", abbrev);
if (abbrev)
hex[abbrev] = '\0';
return hex;
default:
*must_show_header = 0;
}
- if (one && two && oidcmp(&one->oid, &two->oid)) {
- int abbrev = DIFF_OPT_TST(o, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
+ if (one && two && !oideq(&one->oid, &two->oid)) {
+ const unsigned hexsz = the_hash_algo->hexsz;
+ int abbrev = o->flags.full_index ? hexsz : DEFAULT_ABBREV;
- if (DIFF_OPT_TST(o, BINARY)) {
+ if (o->flags.binary) {
mmfile_t mf;
- if ((!fill_mmfile(&mf, one) && diff_filespec_is_binary(one)) ||
- (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two)))
- abbrev = 40;
+ if ((!fill_mmfile(o->repo, &mf, one) &&
+ diff_filespec_is_binary(o->repo, one)) ||
+ (!fill_mmfile(o->repo, &mf, two) &&
+ diff_filespec_is_binary(o->repo, two)))
+ abbrev = hexsz;
}
strbuf_addf(msg, "%s%sindex %s..%s", line_prefix, set,
diff_abbrev_oid(&one->oid, abbrev),
int must_show_header = 0;
- if (DIFF_OPT_TST(o, ALLOW_EXTERNAL)) {
- struct userdiff_driver *drv = userdiff_find_by_path(attr_path);
+ if (o->flags.allow_external) {
+ struct userdiff_driver *drv;
+
+ drv = userdiff_find_by_path(o->repo->index, attr_path);
if (drv && drv->external)
pgm = drv->external;
}
fprintf(o->file, "* Unmerged path %s\n", name);
}
-static void diff_fill_oid_info(struct diff_filespec *one)
+static void diff_fill_oid_info(struct diff_filespec *one, struct index_state *istate)
{
if (DIFF_FILE_VALID(one)) {
if (!one->oid_valid) {
}
if (lstat(one->path, &st) < 0)
die_errno("stat '%s'", one->path);
- if (index_path(one->oid.hash, one->path, &st, 0))
+ if (index_path(istate, &one->oid, one->path, &st, 0))
die("cannot hash %s", one->path);
}
}
static void strip_prefix(int prefix_length, const char **namep, const char **otherp)
{
/* Strip the prefix but do not molest /dev/null and absolute paths */
- if (*namep && **namep != '/') {
+ if (*namep && !is_absolute_path(*namep)) {
*namep += prefix_length;
if (**namep == '/')
++*namep;
}
- if (*otherp && **otherp != '/') {
+ if (*otherp && !is_absolute_path(*otherp)) {
*otherp += prefix_length;
if (**otherp == '/')
++*otherp;
const char *other;
const char *attr_path;
- name = p->one->path;
- other = (strcmp(name, p->two->path) ? p->two->path : NULL);
+ name = one->path;
+ other = (strcmp(name, two->path) ? two->path : NULL);
attr_path = name;
if (o->prefix_length)
strip_prefix(o->prefix_length, &name, &other);
- if (!DIFF_OPT_TST(o, ALLOW_EXTERNAL))
+ if (!o->flags.allow_external)
pgm = NULL;
if (DIFF_PAIR_UNMERGED(p)) {
return;
}
- diff_fill_oid_info(one);
- diff_fill_oid_info(two);
+ diff_fill_oid_info(one, o->repo->index);
+ diff_fill_oid_info(two, o->repo->index);
if (!pgm &&
DIFF_FILE_VALID(one) && DIFF_FILE_VALID(two) &&
*/
struct diff_filespec *null = alloc_filespec(two->path);
run_diff_cmd(NULL, name, other, attr_path,
- one, null, &msg, o, p);
+ one, null, &msg,
+ o, p);
free(null);
strbuf_release(&msg);
if (DIFF_PAIR_UNMERGED(p)) {
/* unmerged */
- builtin_diffstat(p->one->path, NULL, NULL, NULL, diffstat, o, p);
+ builtin_diffstat(p->one->path, NULL, NULL, NULL,
+ diffstat, o, p);
return;
}
if (o->prefix_length)
strip_prefix(o->prefix_length, &name, &other);
- diff_fill_oid_info(p->one);
- diff_fill_oid_info(p->two);
+ diff_fill_oid_info(p->one, o->repo->index);
+ diff_fill_oid_info(p->two, o->repo->index);
- builtin_diffstat(name, other, p->one, p->two, diffstat, o, p);
+ builtin_diffstat(name, other, p->one, p->two,
+ diffstat, o, p);
}
static void run_checkdiff(struct diff_filepair *p, struct diff_options *o)
if (o->prefix_length)
strip_prefix(o->prefix_length, &name, &other);
- diff_fill_oid_info(p->one);
- diff_fill_oid_info(p->two);
+ diff_fill_oid_info(p->one, o->repo->index);
+ diff_fill_oid_info(p->two, o->repo->index);
builtin_checkdiff(name, other, attr_path, p->one, p->two, o);
}
-void diff_setup(struct diff_options *options)
+void repo_diff_setup(struct repository *r, struct diff_options *options)
{
memcpy(options, &default_diff_options, sizeof(*options));
options->file = stdout;
+ options->repo = r;
+ options->output_indicators[OUTPUT_INDICATOR_NEW] = '+';
+ options->output_indicators[OUTPUT_INDICATOR_OLD] = '-';
+ options->output_indicators[OUTPUT_INDICATOR_CONTEXT] = ' ';
options->abbrev = DEFAULT_ABBREV;
options->line_termination = '\n';
options->break_opt = -1;
options->context = diff_context_default;
options->interhunkcontext = diff_interhunk_context_default;
options->ws_error_highlight = ws_error_highlight_default;
- DIFF_OPT_SET(options, RENAME_EMPTY);
+ options->flags.rename_empty = 1;
+ options->objfind = NULL;
/* pathchange left =NULL by default */
options->change = diff_change;
options->a_prefix = "a/";
options->b_prefix = "b/";
}
+
+ options->color_moved = diff_color_moved_default;
+ options->color_moved_ws_handling = diff_color_moved_ws_default;
}
void diff_setup_done(struct diff_options *options)
{
- int count = 0;
+ unsigned check_mask = DIFF_FORMAT_NAME |
+ DIFF_FORMAT_NAME_STATUS |
+ DIFF_FORMAT_CHECKDIFF |
+ DIFF_FORMAT_NO_OUTPUT;
+ /*
+ * This must be signed because we're comparing against a potentially
+ * negative value.
+ */
+ const int hexsz = the_hash_algo->hexsz;
if (options->set_default)
options->set_default(options);
- if (options->output_format & DIFF_FORMAT_NAME)
- count++;
- if (options->output_format & DIFF_FORMAT_NAME_STATUS)
- count++;
- if (options->output_format & DIFF_FORMAT_CHECKDIFF)
- count++;
- if (options->output_format & DIFF_FORMAT_NO_OUTPUT)
- count++;
- if (count > 1)
+ if (HAS_MULTI_BITS(options->output_format & check_mask))
die(_("--name-only, --name-status, --check and -s are mutually exclusive"));
+ if (HAS_MULTI_BITS(options->pickaxe_opts & DIFF_PICKAXE_KINDS_MASK))
+ die(_("-G, -S and --find-object are mutually exclusive"));
+
/*
* Most of the time we can say "there are changes"
* only by checking if there are changed paths, but
* inside contents.
*/
- if (DIFF_XDL_TST(options, IGNORE_WHITESPACE) ||
- DIFF_XDL_TST(options, IGNORE_WHITESPACE_CHANGE) ||
- DIFF_XDL_TST(options, IGNORE_WHITESPACE_AT_EOL))
- DIFF_OPT_SET(options, DIFF_FROM_CONTENTS);
+ if ((options->xdl_opts & XDF_WHITESPACE_FLAGS))
+ options->flags.diff_from_contents = 1;
else
- DIFF_OPT_CLR(options, DIFF_FROM_CONTENTS);
+ options->flags.diff_from_contents = 0;
- if (DIFF_OPT_TST(options, FIND_COPIES_HARDER))
+ if (options->flags.find_copies_harder)
options->detect_rename = DIFF_DETECT_COPY;
- if (!DIFF_OPT_TST(options, RELATIVE_NAME))
+ if (!options->flags.relative_name)
options->prefix = NULL;
if (options->prefix)
options->prefix_length = strlen(options->prefix);
DIFF_FORMAT_DIRSTAT |
DIFF_FORMAT_SUMMARY |
DIFF_FORMAT_CHECKDIFF))
- DIFF_OPT_SET(options, RECURSIVE);
+ options->flags.recursive = 1;
/*
* Also pickaxe would not work very well if you do not say recursive
*/
- if (options->pickaxe)
- DIFF_OPT_SET(options, RECURSIVE);
+ if (options->pickaxe_opts & DIFF_PICKAXE_KINDS_MASK)
+ options->flags.recursive = 1;
/*
* When patches are generated, submodules diffed against the work tree
* must be checked for dirtiness too so it can be shown in the output
*/
if (options->output_format & DIFF_FORMAT_PATCH)
- DIFF_OPT_SET(options, DIRTY_SUBMODULES);
+ options->flags.dirty_submodules = 1;
if (options->detect_rename && options->rename_limit < 0)
options->rename_limit = diff_rename_limit_default;
- if (options->setup & DIFF_SETUP_USE_CACHE) {
- if (!active_cache)
- /* read-cache does not die even when it fails
- * so it is safe for us to do this here. Also
- * it does not smudge active_cache or active_nr
- * when it fails, so we do not have to worry about
- * cleaning it up ourselves either.
- */
- read_cache();
- }
- if (40 < options->abbrev)
- options->abbrev = 40; /* full */
+ if (hexsz < options->abbrev)
+ options->abbrev = hexsz; /* full */
/*
* It does not make sense to show the first hit we happened
* to have found. It does not make sense not to return with
* exit code in such a case either.
*/
- if (DIFF_OPT_TST(options, QUICK)) {
+ if (options->flags.quick) {
options->output_format = DIFF_FORMAT_NO_OUTPUT;
- DIFF_OPT_SET(options, EXIT_WITH_STATUS);
+ options->flags.exit_with_status = 1;
}
options->diff_path_counter = 0;
- if (DIFF_OPT_TST(options, FOLLOW_RENAMES) && options->pathspec.nr != 1)
+ if (options->flags.follow_renames && options->pathspec.nr != 1)
die(_("--follow requires exactly one pathspec"));
+
+ if (!options->use_color || external_diff())
+ options->color_moved = 0;
}
static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *val)
int argcount = 1;
if (!skip_prefix(arg, "--stat", &arg))
- die("BUG: stat option does not begin with --stat: %s", arg);
+ BUG("stat option does not begin with --stat: %s", arg);
end = (char *)arg;
switch (*arg) {
return 0;
}
-static void enable_patch_output(int *fmt) {
+static void enable_patch_output(int *fmt)
+{
*fmt &= ~DIFF_FORMAT_NO_OUTPUT;
*fmt |= DIFF_FORMAT_PATCH;
}
return 1;
}
+static int parse_objfind_opt(struct diff_options *opt, const char *arg)
+{
+ struct object_id oid;
+
+ if (get_oid(arg, &oid))
+ return error("unable to resolve '%s'", arg);
+
+ if (!opt->objfind)
+ opt->objfind = xcalloc(1, sizeof(*opt->objfind));
+
+ opt->pickaxe_opts |= DIFF_PICKAXE_KIND_OBJFIND;
+ opt->flags.recursive = 1;
+ opt->flags.tree_in_recursive = 1;
+ oidset_insert(opt->objfind, &oid);
+ return 1;
+}
+
int diff_opt_parse(struct diff_options *options,
const char **av, int ac, const char *prefix)
{
options->output_format |= DIFF_FORMAT_NUMSTAT;
else if (!strcmp(arg, "--shortstat"))
options->output_format |= DIFF_FORMAT_SHORTSTAT;
- else if (!strcmp(arg, "-X") || !strcmp(arg, "--dirstat"))
- return parse_dirstat_opt(options, "");
- else if (skip_prefix(arg, "-X", &arg))
- return parse_dirstat_opt(options, arg);
- else if (skip_prefix(arg, "--dirstat=", &arg))
+ else if (skip_prefix(arg, "-X", &arg) ||
+ skip_to_optional_arg(arg, "--dirstat", &arg))
return parse_dirstat_opt(options, arg);
else if (!strcmp(arg, "--cumulative"))
return parse_dirstat_opt(options, "cumulative");
- else if (!strcmp(arg, "--dirstat-by-file"))
- return parse_dirstat_opt(options, "files");
- else if (skip_prefix(arg, "--dirstat-by-file=", &arg)) {
+ else if (skip_to_optional_arg(arg, "--dirstat-by-file", &arg)) {
parse_dirstat_opt(options, "files");
return parse_dirstat_opt(options, arg);
}
else if (starts_with(arg, "--stat"))
/* --stat, --stat-width, --stat-name-width, or --stat-count */
return stat_opt(options, av);
+ else if (!strcmp(arg, "--compact-summary")) {
+ options->flags.stat_with_summary = 1;
+ options->output_format |= DIFF_FORMAT_DIFFSTAT;
+ } else if (!strcmp(arg, "--no-compact-summary"))
+ options->flags.stat_with_summary = 0;
+ else if (skip_prefix(arg, "--output-indicator-new=", &arg))
+ options->output_indicators[OUTPUT_INDICATOR_NEW] = arg[0];
+ else if (skip_prefix(arg, "--output-indicator-old=", &arg))
+ options->output_indicators[OUTPUT_INDICATOR_OLD] = arg[0];
+ else if (skip_prefix(arg, "--output-indicator-context=", &arg))
+ options->output_indicators[OUTPUT_INDICATOR_CONTEXT] = arg[0];
/* renames options */
- else if (starts_with(arg, "-B") || starts_with(arg, "--break-rewrites=") ||
- !strcmp(arg, "--break-rewrites")) {
+ else if (starts_with(arg, "-B") ||
+ skip_to_optional_arg(arg, "--break-rewrites", NULL)) {
if ((options->break_opt = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -B: %s", arg+2);
}
- else if (starts_with(arg, "-M") || starts_with(arg, "--find-renames=") ||
- !strcmp(arg, "--find-renames")) {
+ else if (starts_with(arg, "-M") ||
+ skip_to_optional_arg(arg, "--find-renames", NULL)) {
if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -M: %s", arg+2);
options->detect_rename = DIFF_DETECT_RENAME;
else if (!strcmp(arg, "-D") || !strcmp(arg, "--irreversible-delete")) {
options->irreversible_delete = 1;
}
- else if (starts_with(arg, "-C") || starts_with(arg, "--find-copies=") ||
- !strcmp(arg, "--find-copies")) {
+ else if (starts_with(arg, "-C") ||
+ skip_to_optional_arg(arg, "--find-copies", NULL)) {
if (options->detect_rename == DIFF_DETECT_COPY)
- DIFF_OPT_SET(options, FIND_COPIES_HARDER);
+ options->flags.find_copies_harder = 1;
if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -C: %s", arg+2);
options->detect_rename = DIFF_DETECT_COPY;
else if (!strcmp(arg, "--no-renames"))
options->detect_rename = 0;
else if (!strcmp(arg, "--rename-empty"))
- DIFF_OPT_SET(options, RENAME_EMPTY);
+ options->flags.rename_empty = 1;
else if (!strcmp(arg, "--no-rename-empty"))
- DIFF_OPT_CLR(options, RENAME_EMPTY);
- else if (!strcmp(arg, "--relative"))
- DIFF_OPT_SET(options, RELATIVE_NAME);
- else if (skip_prefix(arg, "--relative=", &arg)) {
- DIFF_OPT_SET(options, RELATIVE_NAME);
- options->prefix = arg;
+ options->flags.rename_empty = 0;
+ else if (skip_to_optional_arg_default(arg, "--relative", &arg, NULL)) {
+ options->flags.relative_name = 1;
+ if (arg)
+ options->prefix = arg;
}
/* xdiff options */
DIFF_XDL_SET(options, IGNORE_WHITESPACE_CHANGE);
else if (!strcmp(arg, "--ignore-space-at-eol"))
DIFF_XDL_SET(options, IGNORE_WHITESPACE_AT_EOL);
+ else if (!strcmp(arg, "--ignore-cr-at-eol"))
+ DIFF_XDL_SET(options, IGNORE_CR_AT_EOL);
else if (!strcmp(arg, "--ignore-blank-lines"))
DIFF_XDL_SET(options, IGNORE_BLANK_LINES);
else if (!strcmp(arg, "--indent-heuristic"))
DIFF_XDL_SET(options, INDENT_HEURISTIC);
else if (!strcmp(arg, "--no-indent-heuristic"))
DIFF_XDL_CLR(options, INDENT_HEURISTIC);
- else if (!strcmp(arg, "--patience"))
+ else if (!strcmp(arg, "--patience")) {
+ int i;
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
- else if (!strcmp(arg, "--histogram"))
+ /*
+ * Both --patience and --anchored use PATIENCE_DIFF
+ * internally, so remove any anchors previously
+ * specified.
+ */
+ for (i = 0; i < options->anchors_nr; i++)
+ free(options->anchors[i]);
+ options->anchors_nr = 0;
+ } else if (!strcmp(arg, "--histogram"))
options->xdl_opts = DIFF_WITH_ALG(options, HISTOGRAM_DIFF);
else if ((argcount = parse_long_opt("diff-algorithm", av, &optarg))) {
long value = parse_algorithm_value(optarg);
options->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
options->xdl_opts |= value;
return argcount;
+ } else if (skip_prefix(arg, "--anchored=", &arg)) {
+ options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
+ ALLOC_GROW(options->anchors, options->anchors_nr + 1,
+ options->anchors_alloc);
+ options->anchors[options->anchors_nr++] = xstrdup(arg);
}
/* flags options */
else if (!strcmp(arg, "--binary")) {
enable_patch_output(&options->output_format);
- DIFF_OPT_SET(options, BINARY);
+ options->flags.binary = 1;
}
else if (!strcmp(arg, "--full-index"))
- DIFF_OPT_SET(options, FULL_INDEX);
+ options->flags.full_index = 1;
else if (!strcmp(arg, "-a") || !strcmp(arg, "--text"))
- DIFF_OPT_SET(options, TEXT);
+ options->flags.text = 1;
else if (!strcmp(arg, "-R"))
- DIFF_OPT_SET(options, REVERSE_DIFF);
+ options->flags.reverse_diff = 1;
else if (!strcmp(arg, "--find-copies-harder"))
- DIFF_OPT_SET(options, FIND_COPIES_HARDER);
+ options->flags.find_copies_harder = 1;
else if (!strcmp(arg, "--follow"))
- DIFF_OPT_SET(options, FOLLOW_RENAMES);
+ options->flags.follow_renames = 1;
else if (!strcmp(arg, "--no-follow")) {
- DIFF_OPT_CLR(options, FOLLOW_RENAMES);
- DIFF_OPT_CLR(options, DEFAULT_FOLLOW_RENAMES);
- } else if (!strcmp(arg, "--color"))
- options->use_color = 1;
- else if (skip_prefix(arg, "--color=", &arg)) {
+ options->flags.follow_renames = 0;
+ options->flags.default_follow_renames = 0;
+ } else if (skip_to_optional_arg_default(arg, "--color", &arg, "always")) {
int value = git_config_colorbool(NULL, arg);
if (value < 0)
return error("option `color' expects \"always\", \"auto\", or \"never\"");
}
else if (!strcmp(arg, "--no-color"))
options->use_color = 0;
- else if (!strcmp(arg, "--color-words")) {
- options->use_color = 1;
- options->word_diff = DIFF_WORDS_COLOR;
- }
- else if (skip_prefix(arg, "--color-words=", &arg)) {
+ else if (!strcmp(arg, "--color-moved")) {
+ if (diff_color_moved_default)
+ options->color_moved = diff_color_moved_default;
+ if (options->color_moved == COLOR_MOVED_NO)
+ options->color_moved = COLOR_MOVED_DEFAULT;
+ } else if (!strcmp(arg, "--no-color-moved"))
+ options->color_moved = COLOR_MOVED_NO;
+ else if (skip_prefix(arg, "--color-moved=", &arg)) {
+ int cm = parse_color_moved(arg);
+ if (cm < 0)
+ return error("bad --color-moved argument: %s", arg);
+ options->color_moved = cm;
+ } else if (!strcmp(arg, "--no-color-moved-ws")) {
+ options->color_moved_ws_handling = 0;
+ } else if (skip_prefix(arg, "--color-moved-ws=", &arg)) {
+ unsigned cm = parse_color_moved_ws(arg);
+ if (cm & COLOR_MOVED_WS_ERROR)
+ return -1;
+ options->color_moved_ws_handling = cm;
+ } else if (skip_to_optional_arg_default(arg, "--color-words", &options->word_regex, NULL)) {
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;
- options->word_regex = arg;
}
else if (!strcmp(arg, "--word-diff")) {
if (options->word_diff == DIFF_WORDS_NONE)
return argcount;
}
else if (!strcmp(arg, "--exit-code"))
- DIFF_OPT_SET(options, EXIT_WITH_STATUS);
+ options->flags.exit_with_status = 1;
else if (!strcmp(arg, "--quiet"))
- DIFF_OPT_SET(options, QUICK);
+ options->flags.quick = 1;
else if (!strcmp(arg, "--ext-diff"))
- DIFF_OPT_SET(options, ALLOW_EXTERNAL);
+ options->flags.allow_external = 1;
else if (!strcmp(arg, "--no-ext-diff"))
- DIFF_OPT_CLR(options, ALLOW_EXTERNAL);
- else if (!strcmp(arg, "--textconv"))
- DIFF_OPT_SET(options, ALLOW_TEXTCONV);
- else if (!strcmp(arg, "--no-textconv"))
- DIFF_OPT_CLR(options, ALLOW_TEXTCONV);
- else if (!strcmp(arg, "--ignore-submodules")) {
- DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
- handle_ignore_submodules_arg(options, "all");
- } else if (skip_prefix(arg, "--ignore-submodules=", &arg)) {
- DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
+ options->flags.allow_external = 0;
+ else if (!strcmp(arg, "--textconv")) {
+ options->flags.allow_textconv = 1;
+ options->flags.textconv_set_via_cmdline = 1;
+ } else if (!strcmp(arg, "--no-textconv"))
+ options->flags.allow_textconv = 0;
+ else if (skip_to_optional_arg_default(arg, "--ignore-submodules", &arg, "all")) {
+ options->flags.override_submodule_config = 1;
handle_ignore_submodules_arg(options, arg);
- } else if (!strcmp(arg, "--submodule"))
- options->submodule_format = DIFF_SUBMODULE_LOG;
- else if (skip_prefix(arg, "--submodule=", &arg))
+ } else if (skip_to_optional_arg_default(arg, "--submodule", &arg, "log"))
return parse_submodule_opt(options, arg);
else if (skip_prefix(arg, "--ws-error-highlight=", &arg))
return parse_ws_error_highlight_opt(options, arg);
else if ((argcount = short_opt('O', av, &optarg))) {
options->orderfile = prefix_filename(prefix, optarg);
return argcount;
- }
+ } else if (skip_prefix(arg, "--find-object=", &arg))
+ return parse_objfind_opt(options, arg);
else if ((argcount = parse_long_opt("diff-filter", av, &optarg))) {
int offending = parse_diff_filter_opt(optarg, options);
if (offending)
options->abbrev = strtoul(arg, NULL, 10);
if (options->abbrev < MINIMUM_ABBREV)
options->abbrev = MINIMUM_ABBREV;
- else if (40 < options->abbrev)
- options->abbrev = 40;
+ else if (the_hash_algo->hexsz < options->abbrev)
+ options->abbrev = the_hash_algo->hexsz;
}
else if ((argcount = parse_long_opt("src-prefix", av, &optarg))) {
options->a_prefix = optarg;
&options->interhunkcontext))
;
else if (!strcmp(arg, "-W"))
- DIFF_OPT_SET(options, FUNCCONTEXT);
+ options->flags.funccontext = 1;
else if (!strcmp(arg, "--function-context"))
- DIFF_OPT_SET(options, FUNCCONTEXT);
+ options->flags.funccontext = 1;
else if (!strcmp(arg, "--no-function-context"))
- DIFF_OPT_CLR(options, FUNCCONTEXT);
+ options->flags.funccontext = 0;
else if ((argcount = parse_long_opt("output", av, &optarg))) {
char *path = prefix_filename(prefix, optarg);
options->file = xfopen(path, "w");
int abblen;
const char *abbrev;
- if (len == GIT_SHA1_HEXSZ)
+ /* Do we want all 40 hex characters? */
+ if (len == the_hash_algo->hexsz)
return oid_to_hex(oid);
+ /* An abbreviated value is fine, possibly followed by an ellipsis. */
abbrev = diff_abbrev_oid(oid, len);
+
+ if (!print_sha1_ellipsis())
+ return abbrev;
+
abblen = strlen(abbrev);
/*
- * In well-behaved cases, where the abbbreviated result is the
+ * In well-behaved cases, where the abbreviated result is the
* same as the requested length, append three dots after the
* abbreviation (hence the whole logic is limited to the case
* where abblen < 37); when the actual abbreviated result is a
* the automatic sizing is supposed to give abblen that ensures
* uniqueness across all objects (statistically speaking).
*/
- if (abblen < GIT_SHA1_HEXSZ - 3) {
+ if (abblen < the_hash_algo->hexsz - 3) {
static char hex[GIT_MAX_HEXSZ + 1];
if (len < abblen && abblen <= len + 2)
xsnprintf(hex, sizeof(hex), "%s%.*s", abbrev, len+3-abblen, "..");
* dealing with a change.
*/
if (one->oid_valid && two->oid_valid &&
- !oidcmp(&one->oid, &two->oid) &&
+ oideq(&one->oid, &two->oid) &&
!one->dirty_submodule && !two->dirty_submodule)
return 1; /* no change */
if (!one->oid_valid && !two->oid_valid)
else
p->status = DIFF_STATUS_RENAMED;
}
- else if (oidcmp(&p->one->oid, &p->two->oid) ||
+ else if (!oideq(&p->one->oid, &p->two->oid) ||
p->one->mode != p->two->mode ||
p->one->dirty_submodule ||
p->two->dirty_submodule ||
}
}
-static void show_file_mode_name(FILE *file, const char *newdelete, struct diff_filespec *fs)
+static void show_file_mode_name(struct diff_options *opt, const char *newdelete, struct diff_filespec *fs)
{
+ struct strbuf sb = STRBUF_INIT;
if (fs->mode)
- fprintf(file, " %s mode %06o ", newdelete, fs->mode);
+ strbuf_addf(&sb, " %s mode %06o ", newdelete, fs->mode);
else
- fprintf(file, " %s ", newdelete);
- write_name_quoted(fs->path, file, '\n');
-}
+ strbuf_addf(&sb, " %s ", newdelete);
+ quote_c_style(fs->path, &sb, NULL, 0);
+ strbuf_addch(&sb, '\n');
+ emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
+}
-static void show_mode_change(FILE *file, struct diff_filepair *p, int show_name,
- const char *line_prefix)
+static void show_mode_change(struct diff_options *opt, struct diff_filepair *p,
+ int show_name)
{
if (p->one->mode && p->two->mode && p->one->mode != p->two->mode) {
- fprintf(file, "%s mode change %06o => %06o%c", line_prefix, p->one->mode,
- p->two->mode, show_name ? ' ' : '\n');
+ struct strbuf sb = STRBUF_INIT;
+ strbuf_addf(&sb, " mode change %06o => %06o",
+ p->one->mode, p->two->mode);
if (show_name) {
- write_name_quoted(p->two->path, file, '\n');
+ strbuf_addch(&sb, ' ');
+ quote_c_style(p->two->path, &sb, NULL, 0);
}
+ strbuf_addch(&sb, '\n');
+ emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
}
}
-static void show_rename_copy(FILE *file, const char *renamecopy, struct diff_filepair *p,
- const char *line_prefix)
+static void show_rename_copy(struct diff_options *opt, const char *renamecopy,
+ struct diff_filepair *p)
{
- char *names = pprint_rename(p->one->path, p->two->path);
-
- fprintf(file, " %s %s (%d%%)\n", renamecopy, names, similarity_index(p));
- free(names);
- show_mode_change(file, p, 0, line_prefix);
+ struct strbuf sb = STRBUF_INIT;
+ struct strbuf names = STRBUF_INIT;
+
+ pprint_rename(&names, p->one->path, p->two->path);
+ strbuf_addf(&sb, " %s %s (%d%%)\n",
+ renamecopy, names.buf, similarity_index(p));
+ strbuf_release(&names);
+ emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
+ sb.buf, sb.len, 0);
+ show_mode_change(opt, p, 0);
+ strbuf_release(&sb);
}
static void diff_summary(struct diff_options *opt, struct diff_filepair *p)
{
- FILE *file = opt->file;
- const char *line_prefix = diff_line_prefix(opt);
-
switch(p->status) {
case DIFF_STATUS_DELETED:
- fputs(line_prefix, file);
- show_file_mode_name(file, "delete", p->one);
+ show_file_mode_name(opt, "delete", p->one);
break;
case DIFF_STATUS_ADDED:
- fputs(line_prefix, file);
- show_file_mode_name(file, "create", p->two);
+ show_file_mode_name(opt, "create", p->two);
break;
case DIFF_STATUS_COPIED:
- fputs(line_prefix, file);
- show_rename_copy(file, "copy", p, line_prefix);
+ show_rename_copy(opt, "copy", p);
break;
case DIFF_STATUS_RENAMED:
- fputs(line_prefix, file);
- show_rename_copy(file, "rename", p, line_prefix);
+ show_rename_copy(opt, "rename", p);
break;
default:
if (p->score) {
- fprintf(file, "%s rewrite ", line_prefix);
- write_name_quoted(p->two->path, file, ' ');
- fprintf(file, "(%d%%)\n", similarity_index(p));
+ struct strbuf sb = STRBUF_INIT;
+ strbuf_addstr(&sb, " rewrite ");
+ quote_c_style(p->two->path, &sb, NULL, 0);
+ strbuf_addf(&sb, " (%d%%)\n", similarity_index(p));
+ emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
+ sb.buf, sb.len, 0);
+ strbuf_release(&sb);
}
- show_mode_change(file, p, !p->score, line_prefix);
+ show_mode_change(opt, p, !p->score);
break;
}
}
struct patch_id_t *data = priv;
int new_len;
- /* Ignore line numbers when computing the SHA1 of the patch */
- if (starts_with(line, "@@ -"))
- return;
-
new_len = remove_space(line, len);
git_SHA1_Update(data->ctx, line, new_len);
if (DIFF_PAIR_UNMERGED(p))
continue;
- diff_fill_oid_info(p->one);
- diff_fill_oid_info(p->two);
+ diff_fill_oid_info(p->one, options->repo->index);
+ diff_fill_oid_info(p->two, options->repo->index);
len1 = remove_space(p->one->path, strlen(p->one->path));
len2 = remove_space(p->two->path, strlen(p->two->path));
if (diff_header_only)
continue;
- if (fill_mmfile(&mf1, p->one) < 0 ||
- fill_mmfile(&mf2, p->two) < 0)
+ if (fill_mmfile(options->repo, &mf1, p->one) < 0 ||
+ fill_mmfile(options->repo, &mf2, p->two) < 0)
return error("unable to read files to diff");
- if (diff_filespec_is_binary(p->one) ||
- diff_filespec_is_binary(p->two)) {
+ if (diff_filespec_is_binary(options->repo, p->one) ||
+ diff_filespec_is_binary(options->repo, p->two)) {
git_SHA1_Update(&ctx, oid_to_hex(&p->one->oid),
GIT_SHA1_HEXSZ);
git_SHA1_Update(&ctx, oid_to_hex(&p->two->oid),
xpp.flags = 0;
xecfg.ctxlen = 3;
xecfg.flags = 0;
- if (xdi_diff_outf(&mf1, &mf2, patch_id_consume, &data,
- &xpp, &xecfg))
+ if (xdi_diff_outf(&mf1, &mf2, discard_hunk_line,
+ patch_id_consume, &data, &xpp, &xecfg))
return error("unable to generate patch-id diff for %s",
p->one->path);
}
void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc)
{
+ fflush(stdout);
if (degraded_cc)
warning(_(degrade_cc_to_c_warning));
else if (needed)
warning(_(rename_limit_warning));
else
return;
- if (0 < needed && needed < 32767)
+ if (0 < needed)
warning(_(rename_limit_advice), varname, needed);
}
+static void diff_flush_patch_all_file_pairs(struct diff_options *o)
+{
+ int i;
+ static struct emitted_diff_symbols esm = EMITTED_DIFF_SYMBOLS_INIT;
+ struct diff_queue_struct *q = &diff_queued_diff;
+
+ if (WSEH_NEW & WS_RULE_MASK)
+ BUG("WS rules bit mask overlaps with diff symbol flags");
+
+ if (o->color_moved)
+ o->emitted_symbols = &esm;
+
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (check_pair_status(p))
+ diff_flush_patch(p, o);
+ }
+
+ if (o->emitted_symbols) {
+ if (o->color_moved) {
+ struct hashmap add_lines, del_lines;
+
+ if (o->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ o->color_moved_ws_handling |= XDF_IGNORE_WHITESPACE;
+
+ hashmap_init(&del_lines, moved_entry_cmp, o, 0);
+ hashmap_init(&add_lines, moved_entry_cmp, o, 0);
+
+ add_lines_to_move_detection(o, &add_lines, &del_lines);
+ mark_color_as_moved(o, &add_lines, &del_lines);
+ if (o->color_moved == COLOR_MOVED_ZEBRA_DIM)
+ dim_moved_lines(o);
+
+ hashmap_free(&add_lines, 1);
+ hashmap_free(&del_lines, 1);
+ }
+
+ for (i = 0; i < esm.nr; i++)
+ emit_diff_symbol_from_struct(o, &esm.buf[i]);
+
+ for (i = 0; i < esm.nr; i++)
+ free((void *)esm.buf[i].line);
+ esm.nr = 0;
+
+ o->emitted_symbols = NULL;
+ }
+}
+
void diff_flush(struct diff_options *options)
{
struct diff_queue_struct *q = &diff_queued_diff;
separator++;
}
- if (output_format & DIFF_FORMAT_DIRSTAT && DIFF_OPT_TST(options, DIRSTAT_BY_LINE))
+ if (output_format & DIFF_FORMAT_DIRSTAT && options->flags.dirstat_by_line)
dirstat_by_line = 1;
if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_SHORTSTAT|DIFF_FORMAT_NUMSTAT) ||
}
if (output_format & DIFF_FORMAT_NO_OUTPUT &&
- DIFF_OPT_TST(options, EXIT_WITH_STATUS) &&
- DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) {
+ options->flags.exit_with_status &&
+ options->flags.diff_from_contents) {
/*
* run diff_flush_patch for the exit status. setting
* options->file to /dev/null should be safe, because we
fclose(options->file);
options->file = xfopen("/dev/null", "w");
options->close_file = 1;
+ options->color_moved = 0;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
if (check_pair_status(p))
if (output_format & DIFF_FORMAT_PATCH) {
if (separator) {
- fprintf(options->file, "%s%c",
- diff_line_prefix(options),
- options->line_termination);
- if (options->stat_sep) {
+ emit_diff_symbol(options, DIFF_SYMBOL_SEPARATOR, NULL, 0, 0);
+ if (options->stat_sep)
/* attach patch instead of inline */
- fputs(options->stat_sep, options->file);
- }
+ emit_diff_symbol(options, DIFF_SYMBOL_STAT_SEP,
+ NULL, 0, 0);
}
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (check_pair_status(p))
- diff_flush_patch(p, options);
- }
+ diff_flush_patch_all_file_pairs(options);
}
if (output_format & DIFF_FORMAT_CALLBACK)
* diff_addremove/diff_change does not set the bit when
* DIFF_FROM_CONTENTS is in effect (e.g. with -w).
*/
- if (DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) {
+ if (options->flags.diff_from_contents) {
if (options->found_changes)
- DIFF_OPT_SET(options, HAS_CHANGES);
+ options->flags.has_changes = 1;
else
- DIFF_OPT_CLR(options, HAS_CHANGES);
+ options->flags.has_changes = 0;
}
}
}
/* Check whether two filespecs with the same mode and size are identical */
-static int diff_filespec_is_identical(struct diff_filespec *one,
+static int diff_filespec_is_identical(struct repository *r,
+ struct diff_filespec *one,
struct diff_filespec *two)
{
if (S_ISGITLINK(one->mode))
return 0;
- if (diff_populate_filespec(one, 0))
+ if (diff_populate_filespec(r, one, 0))
return 0;
- if (diff_populate_filespec(two, 0))
+ if (diff_populate_filespec(r, two, 0))
return 0;
return !memcmp(one->data, two->data, one->size);
}
-static int diff_filespec_check_stat_unmatch(struct diff_filepair *p)
+static int diff_filespec_check_stat_unmatch(struct repository *r,
+ struct diff_filepair *p)
{
if (p->done_skip_stat_unmatch)
return p->skip_stat_unmatch_result;
!DIFF_FILE_VALID(p->two) ||
(p->one->oid_valid && p->two->oid_valid) ||
(p->one->mode != p->two->mode) ||
- diff_populate_filespec(p->one, CHECK_SIZE_ONLY) ||
- diff_populate_filespec(p->two, CHECK_SIZE_ONLY) ||
+ diff_populate_filespec(r, p->one, CHECK_SIZE_ONLY) ||
+ diff_populate_filespec(r, p->two, CHECK_SIZE_ONLY) ||
(p->one->size != p->two->size) ||
- !diff_filespec_is_identical(p->one, p->two)) /* (2) */
+ !diff_filespec_is_identical(r, p->one, p->two)) /* (2) */
p->skip_stat_unmatch_result = 1;
return p->skip_stat_unmatch_result;
}
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
- if (diff_filespec_check_stat_unmatch(p))
+ if (diff_filespec_check_stat_unmatch(diffopt->repo, p))
diff_q(&outq, p);
else {
/*
* to determine how many paths were dirty only
* due to stat info mismatch.
*/
- if (!DIFF_OPT_TST(diffopt, NO_INDEX))
+ if (!diffopt->flags.no_index)
diffopt->skip_stat_unmatch++;
diff_free_filepair(p);
}
if (!options->found_follow) {
/* See try_to_follow_renames() in tree-diff.c */
if (options->break_opt != -1)
- diffcore_break(options->break_opt);
+ diffcore_break(options->repo,
+ options->break_opt);
if (options->detect_rename)
diffcore_rename(options);
if (options->break_opt != -1)
diffcore_merge_broken();
}
- if (options->pickaxe)
+ if (options->pickaxe_opts & DIFF_PICKAXE_KINDS_MASK)
diffcore_pickaxe(options);
if (options->orderfile)
diffcore_order(options->orderfile);
diff_resolve_rename_copy();
diffcore_apply_filter(options);
- if (diff_queued_diff.nr && !DIFF_OPT_TST(options, DIFF_FROM_CONTENTS))
- DIFF_OPT_SET(options, HAS_CHANGES);
+ if (diff_queued_diff.nr && !options->flags.diff_from_contents)
+ options->flags.has_changes = 1;
else
- DIFF_OPT_CLR(options, HAS_CHANGES);
+ options->flags.has_changes = 0;
options->found_follow = 0;
}
diff_warn_rename_limit("diff.renameLimit",
opt->needed_rename_limit,
opt->degraded_cc_to_c);
- if (!DIFF_OPT_TST(opt, EXIT_WITH_STATUS) &&
+ if (!opt->flags.exit_with_status &&
!(opt->output_format & DIFF_FORMAT_CHECKDIFF))
return status;
- if (DIFF_OPT_TST(opt, EXIT_WITH_STATUS) &&
- DIFF_OPT_TST(opt, HAS_CHANGES))
+ if (opt->flags.exit_with_status &&
+ opt->flags.has_changes)
result |= 01;
if ((opt->output_format & DIFF_FORMAT_CHECKDIFF) &&
- DIFF_OPT_TST(opt, CHECK_FAILED))
+ opt->flags.check_failed)
result |= 02;
return result;
}
int diff_can_quit_early(struct diff_options *opt)
{
- return (DIFF_OPT_TST(opt, QUICK) &&
+ return (opt->flags.quick &&
!opt->filter &&
- DIFF_OPT_TST(opt, HAS_CHANGES));
+ opt->flags.has_changes);
}
/*
static int is_submodule_ignored(const char *path, struct diff_options *options)
{
int ignored = 0;
- unsigned orig_flags = options->flags;
- if (!DIFF_OPT_TST(options, OVERRIDE_SUBMODULE_CONFIG))
+ struct diff_flags orig_flags = options->flags;
+ if (!options->flags.override_submodule_config)
set_diffopt_flags_from_submodule_config(options, path);
- if (DIFF_OPT_TST(options, IGNORE_SUBMODULES))
+ if (options->flags.ignore_submodules)
ignored = 1;
options->flags = orig_flags;
return ignored;
* Before the final output happens, they are pruned after
* merged into rename/copy pairs as appropriate.
*/
- if (DIFF_OPT_TST(options, REVERSE_DIFF))
+ if (options->flags.reverse_diff)
addremove = (addremove == '+' ? '-' :
addremove == '-' ? '+' : addremove);
}
diff_queue(&diff_queued_diff, one, two);
- if (!DIFF_OPT_TST(options, DIFF_FROM_CONTENTS))
- DIFF_OPT_SET(options, HAS_CHANGES);
+ if (!options->flags.diff_from_contents)
+ options->flags.has_changes = 1;
}
void diff_change(struct diff_options *options,
is_submodule_ignored(concatpath, options))
return;
- if (DIFF_OPT_TST(options, REVERSE_DIFF)) {
+ if (options->flags.reverse_diff) {
SWAP(old_mode, new_mode);
SWAP(old_oid, new_oid);
SWAP(old_oid_valid, new_oid_valid);
two->dirty_submodule = new_dirty_submodule;
p = diff_queue(&diff_queued_diff, one, two);
- if (DIFF_OPT_TST(options, DIFF_FROM_CONTENTS))
+ if (options->flags.diff_from_contents)
return;
- if (DIFF_OPT_TST(options, QUICK) && options->skip_stat_unmatch &&
- !diff_filespec_check_stat_unmatch(p))
+ if (options->flags.quick && options->skip_stat_unmatch &&
+ !diff_filespec_check_stat_unmatch(options->repo, p))
return;
- DIFF_OPT_SET(options, HAS_CHANGES);
+ options->flags.has_changes = 1;
}
struct diff_filepair *diff_unmerge(struct diff_options *options, const char *path)
return pair;
}
-static char *run_textconv(const char *pgm, struct diff_filespec *spec,
- size_t *outsize)
+static char *run_textconv(struct repository *r,
+ const char *pgm,
+ struct diff_filespec *spec,
+ size_t *outsize)
{
struct diff_tempfile *temp;
const char *argv[3];
struct strbuf buf = STRBUF_INIT;
int err = 0;
- temp = prepare_temp_file(spec->path, spec);
+ temp = prepare_temp_file(r, spec->path, spec);
*arg++ = pgm;
*arg++ = temp->name;
*arg = NULL;
return strbuf_detach(&buf, outsize);
}
-size_t fill_textconv(struct userdiff_driver *driver,
+size_t fill_textconv(struct repository *r,
+ struct userdiff_driver *driver,
struct diff_filespec *df,
char **outbuf)
{
*outbuf = "";
return 0;
}
- if (diff_populate_filespec(df, 0))
+ if (diff_populate_filespec(r, df, 0))
die("unable to read files to diff");
*outbuf = df->data;
return df->size;
}
if (!driver->textconv)
- die("BUG: fill_textconv called with non-textconv driver");
+ BUG("fill_textconv called with non-textconv driver");
if (driver->textconv_cache && df->oid_valid) {
*outbuf = notes_cache_get(driver->textconv_cache,
return size;
}
- *outbuf = run_textconv(driver->textconv, df, &size);
+ *outbuf = run_textconv(r, driver->textconv, df, &size);
if (!*outbuf)
die("unable to read files to diff");
return size;
}
-int textconv_object(const char *path,
+int textconv_object(struct repository *r,
+ const char *path,
unsigned mode,
const struct object_id *oid,
int oid_valid,
df = alloc_filespec(path);
fill_filespec(df, oid, oid_valid, mode);
- textconv = get_textconv(df);
+ textconv = get_textconv(r, df);
if (!textconv) {
free_filespec(df);
return 0;
}
- *buf_size = fill_textconv(textconv, df, buf);
+ *buf_size = fill_textconv(r, textconv, df, buf);
free_filespec(df);
return 1;
}
* and because it is easy to find people oneline advising "git diff
* --exit-code" in hooks and other scripts, we do not do so.
*/
- if (!DIFF_OPT_TST(opt, EXIT_WITH_STATUS) &&
+ if (!opt->flags.exit_with_status &&
check_pager_config("diff") != 0)
setup_pager();
}
projects / platform / upstream / git.git / blobdiff