* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
+#include "lockfile.h"
#include "quote.h"
#include "cache-tree.h"
#include "tree-walk.h"
#include "refs.h"
#include "resolve-undo.h"
#include "parse-options.h"
+#include "pathspec.h"
+#include "dir.h"
+#include "split-index.h"
/*
* Default to not allowing changes to the list of files. The
static int mark_skip_worktree_only;
#define MARK_FLAG 1
#define UNMARK_FLAG 2
+static struct strbuf mtime_dir = STRBUF_INIT;
__attribute__((format (printf, 1, 2)))
static void report(const char *fmt, ...)
va_end(vp);
}
+static void remove_test_directory(void)
+{
+ if (mtime_dir.len)
+ remove_dir_recursively(&mtime_dir, 0);
+}
+
+static const char *get_mtime_path(const char *path)
+{
+ static struct strbuf sb = STRBUF_INIT;
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s/%s", mtime_dir.buf, path);
+ return sb.buf;
+}
+
+static void xmkdir(const char *path)
+{
+ path = get_mtime_path(path);
+ if (mkdir(path, 0700))
+ die_errno(_("failed to create directory %s"), path);
+}
+
+static int xstat_mtime_dir(struct stat *st)
+{
+ if (stat(mtime_dir.buf, st))
+ die_errno(_("failed to stat %s"), mtime_dir.buf);
+ return 0;
+}
+
+static int create_file(const char *path)
+{
+ int fd;
+ path = get_mtime_path(path);
+ fd = open(path, O_CREAT | O_RDWR, 0644);
+ if (fd < 0)
+ die_errno(_("failed to create file %s"), path);
+ return fd;
+}
+
+static void xunlink(const char *path)
+{
+ path = get_mtime_path(path);
+ if (unlink(path))
+ die_errno(_("failed to delete file %s"), path);
+}
+
+static void xrmdir(const char *path)
+{
+ path = get_mtime_path(path);
+ if (rmdir(path))
+ die_errno(_("failed to delete directory %s"), path);
+}
+
+static void avoid_racy(void)
+{
+ /*
+ * not use if we could usleep(10) if USE_NSEC is defined. The
+ * field nsec could be there, but the OS could choose to
+ * ignore it?
+ */
+ sleep(1);
+}
+
+static int test_if_untracked_cache_is_supported(void)
+{
+ struct stat st;
+ struct stat_data base;
+ int fd, ret = 0;
+
+ strbuf_addstr(&mtime_dir, "mtime-test-XXXXXX");
+ if (!mkdtemp(mtime_dir.buf))
+ die_errno("Could not make temporary directory");
+
+ fprintf(stderr, _("Testing "));
+ atexit(remove_test_directory);
+ xstat_mtime_dir(&st);
+ fill_stat_data(&base, &st);
+ fputc('.', stderr);
+
+ avoid_racy();
+ fd = create_file("newfile");
+ xstat_mtime_dir(&st);
+ if (!match_stat_data(&base, &st)) {
+ close(fd);
+ fputc('\n', stderr);
+ fprintf_ln(stderr,_("directory stat info does not "
+ "change after adding a new file"));
+ goto done;
+ }
+ fill_stat_data(&base, &st);
+ fputc('.', stderr);
+
+ avoid_racy();
+ xmkdir("new-dir");
+ xstat_mtime_dir(&st);
+ if (!match_stat_data(&base, &st)) {
+ close(fd);
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info does not change "
+ "after adding a new directory"));
+ goto done;
+ }
+ fill_stat_data(&base, &st);
+ fputc('.', stderr);
+
+ avoid_racy();
+ write_or_die(fd, "data", 4);
+ close(fd);
+ xstat_mtime_dir(&st);
+ if (match_stat_data(&base, &st)) {
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info changes "
+ "after updating a file"));
+ goto done;
+ }
+ fputc('.', stderr);
+
+ avoid_racy();
+ close(create_file("new-dir/new"));
+ xstat_mtime_dir(&st);
+ if (match_stat_data(&base, &st)) {
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info changes after "
+ "adding a file inside subdirectory"));
+ goto done;
+ }
+ fputc('.', stderr);
+
+ avoid_racy();
+ xunlink("newfile");
+ xstat_mtime_dir(&st);
+ if (!match_stat_data(&base, &st)) {
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info does not "
+ "change after deleting a file"));
+ goto done;
+ }
+ fill_stat_data(&base, &st);
+ fputc('.', stderr);
+
+ avoid_racy();
+ xunlink("new-dir/new");
+ xrmdir("new-dir");
+ xstat_mtime_dir(&st);
+ if (!match_stat_data(&base, &st)) {
+ fputc('\n', stderr);
+ fprintf_ln(stderr, _("directory stat info does not "
+ "change after deleting a directory"));
+ goto done;
+ }
+
+ if (rmdir(mtime_dir.buf))
+ die_errno(_("failed to delete directory %s"), mtime_dir.buf);
+ fprintf_ln(stderr, _(" OK"));
+ ret = 1;
+
+done:
+ strbuf_release(&mtime_dir);
+ return ret;
+}
+
static int mark_ce_flags(const char *path, int flag, int mark)
{
int namelen = strlen(path);
active_cache[pos]->ce_flags |= flag;
else
active_cache[pos]->ce_flags &= ~flag;
- cache_tree_invalidate_path(active_cache_tree, path);
- active_cache_changed = 1;
+ active_cache[pos]->ce_flags |= CE_UPDATE_IN_BASE;
+ cache_tree_invalidate_path(&the_index, path);
+ active_cache_changed |= CE_ENTRY_CHANGED;
return 0;
}
return -1;
return error("lstat(\"%s\"): %s", path, strerror(errno));
}
-static int add_one_path(struct cache_entry *old, const char *path, int len, struct stat *st)
+static int add_one_path(const struct cache_entry *old, const char *path, int len, struct stat *st)
{
int option, size;
struct cache_entry *ce;
/* Exact match: file or existing gitlink */
if (pos >= 0) {
- struct cache_entry *ce = active_cache[pos];
+ const struct cache_entry *ce = active_cache[pos];
if (S_ISGITLINK(ce->ce_mode)) {
/* Do nothing to the index if there is no HEAD! */
/* Inexact match: is there perhaps a subdirectory match? */
pos = -pos-1;
while (pos < active_nr) {
- struct cache_entry *ce = active_cache[pos++];
+ const struct cache_entry *ce = active_cache[pos++];
if (strncmp(ce->name, path, len))
break;
{
int pos, len;
struct stat st;
- struct cache_entry *ce;
+ const struct cache_entry *ce;
len = strlen(path);
if (has_symlink_leading_path(path, len))
default:
goto fail;
}
- cache_tree_invalidate_path(active_cache_tree, path);
- active_cache_changed = 1;
+ cache_tree_invalidate_path(&the_index, path);
+ ce->ce_flags |= CE_UPDATE_IN_BASE;
+ active_cache_changed |= CE_ENTRY_CHANGED;
report("chmod %cx '%s'", flip, path);
return;
fail:
die("git update-index: cannot chmod %cx '%s'", flip, path);
}
-static void update_one(const char *path, const char *prefix, int prefix_length)
+static void update_one(const char *path)
{
- const char *p = prefix_path(prefix, prefix_length, path);
- if (!verify_path(p)) {
+ if (!verify_path(path)) {
fprintf(stderr, "Ignoring path %s\n", path);
- goto free_return;
+ return;
}
if (mark_valid_only) {
- if (mark_ce_flags(p, CE_VALID, mark_valid_only == MARK_FLAG))
+ if (mark_ce_flags(path, CE_VALID, mark_valid_only == MARK_FLAG))
die("Unable to mark file %s", path);
- goto free_return;
+ return;
}
if (mark_skip_worktree_only) {
- if (mark_ce_flags(p, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG))
+ if (mark_ce_flags(path, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG))
die("Unable to mark file %s", path);
- goto free_return;
+ return;
}
if (force_remove) {
- if (remove_file_from_cache(p))
+ if (remove_file_from_cache(path))
die("git update-index: unable to remove %s", path);
report("remove '%s'", path);
- goto free_return;
+ return;
}
- if (process_path(p))
+ if (process_path(path))
die("Unable to process path %s", path);
report("add '%s'", path);
- free_return:
- if (p < path || p > path + strlen(path))
- free((char *)p);
}
static void read_index_info(int line_termination)
}
static const char * const update_index_usage[] = {
- N_("git update-index [options] [--] [<file>...]"),
+ N_("git update-index [<options>] [--] [<file>...]"),
NULL
};
/* already merged */
pos = unmerge_cache_entry_at(pos);
if (pos < active_nr) {
- struct cache_entry *ce = active_cache[pos];
+ const struct cache_entry *ce = active_cache[pos];
if (ce_stage(ce) &&
ce_namelen(ce) == namelen &&
!memcmp(ce->name, path, namelen))
*/
pos = -pos-1;
if (pos < active_nr) {
- struct cache_entry *ce = active_cache[pos];
+ const struct cache_entry *ce = active_cache[pos];
if (ce_namelen(ce) == namelen &&
!memcmp(ce->name, path, namelen)) {
fprintf(stderr,
for (i = 1; i < ac; i++) {
const char *arg = av[i];
- const char *p = prefix_path(prefix, prefix_length, arg);
+ char *p = prefix_path(prefix, prefix_length, arg);
err |= unresolve_one(p);
- if (p < arg || p > arg + strlen(arg))
- free((char *)p);
+ free(p);
}
return err;
}
*/
int pos;
int has_head = 1;
- const char **paths = get_pathspec(prefix, av + 1);
struct pathspec pathspec;
- init_pathspec(&pathspec, paths);
+ parse_pathspec(&pathspec, 0,
+ PATHSPEC_PREFER_CWD,
+ prefix, av + 1);
if (read_ref("HEAD", head_sha1))
/* If there is no HEAD, that means it is an initial
has_head = 0;
redo:
for (pos = 0; pos < active_nr; pos++) {
- struct cache_entry *ce = active_cache[pos];
+ const struct cache_entry *ce = active_cache[pos];
struct cache_entry *old = NULL;
int save_nr;
+ char *path;
- if (ce_stage(ce) || !ce_path_match(ce, &pathspec))
+ if (ce_stage(ce) || !ce_path_match(ce, &pathspec, NULL))
continue;
if (has_head)
old = read_one_ent(NULL, head_sha1,
* or worse yet 'allow_replace', active_nr may decrease.
*/
save_nr = active_nr;
- update_one(ce->name + prefix_length, prefix, prefix_length);
+ path = xstrdup(ce->name);
+ update_one(path);
+ free(path);
+ free(old);
if (save_nr != active_nr)
goto redo;
}
static int refresh(struct refresh_params *o, unsigned int flag)
{
setup_work_tree();
+ read_cache_preload(NULL);
*o->has_errors |= refresh_cache(o->flags | flag);
return 0;
}
return 0;
}
+static int parse_new_style_cacheinfo(const char *arg,
+ unsigned int *mode,
+ unsigned char sha1[],
+ const char **path)
+{
+ unsigned long ul;
+ char *endp;
+
+ if (!arg)
+ return -1;
+
+ errno = 0;
+ ul = strtoul(arg, &endp, 8);
+ if (errno || endp == arg || *endp != ',' || (unsigned int) ul != ul)
+ return -1; /* not a new-style cacheinfo */
+ *mode = ul;
+ endp++;
+ if (get_sha1_hex(endp, sha1) || endp[40] != ',')
+ return -1;
+ *path = endp + 41;
+ return 0;
+}
+
static int cacheinfo_callback(struct parse_opt_ctx_t *ctx,
const struct option *opt, int unset)
{
unsigned char sha1[20];
unsigned int mode;
+ const char *path;
+ if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, sha1, &path)) {
+ if (add_cacheinfo(mode, sha1, path, 0))
+ die("git update-index: --cacheinfo cannot add %s", path);
+ ctx->argv++;
+ ctx->argc--;
+ return 0;
+ }
if (ctx->argc <= 3)
- return error("option 'cacheinfo' expects three arguments");
+ return error("option 'cacheinfo' expects <mode>,<sha1>,<path>");
if (strtoul_ui(*++ctx->argv, 8, &mode) ||
get_sha1_hex(*++ctx->argv, sha1) ||
add_cacheinfo(mode, sha1, *++ctx->argv, 0))
int cmd_update_index(int argc, const char **argv, const char *prefix)
{
int newfd, entries, has_errors = 0, line_termination = '\n';
+ int untracked_cache = -1;
int read_from_stdin = 0;
int prefix_length = prefix ? strlen(prefix) : 0;
int preferred_index_format = 0;
char set_executable_bit = 0;
struct refresh_params refresh_args = {0, &has_errors};
int lock_error = 0;
+ int split_index = -1;
struct lock_file *lock_file;
struct parse_opt_ctx_t ctx;
int parseopt_state = PARSE_OPT_UNKNOWN;
PARSE_OPT_NOARG | PARSE_OPT_NONEG,
really_refresh_callback},
{OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL,
- N_("<mode>
<object> <path>"),
+ N_("<mode>
,<object>,<path>"),
N_("add the specified entry to the index"),
- PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */
+ PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */
PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
(parse_opt_cb *) cacheinfo_callback},
{OPTION_CALLBACK, 0, "chmod", &set_executable_bit, N_("(+/-)x"),
resolve_undo_clear_callback},
OPT_INTEGER(0, "index-version", &preferred_index_format,
N_("write index in this format")),
+ OPT_BOOL(0, "split-index", &split_index,
+ N_("enable or disable split index")),
+ OPT_BOOL(0, "untracked-cache", &untracked_cache,
+ N_("enable/disable untracked cache")),
+ OPT_SET_INT(0, "force-untracked-cache", &untracked_cache,
+ N_("enable untracked cache without testing the filesystem"), 2),
OPT_END()
};
if (argc == 2 && !strcmp(argv[1], "-h"))
- usage(update_index_usage[0]);
+ usage_with_options(update_index_usage, options);
git_config(git_default_config, NULL);
case PARSE_OPT_DONE:
{
const char *path = ctx.argv[0];
- const char *p;
+ char *p;
setup_work_tree();
p = prefix_path(prefix, prefix_length, path);
- update_one(p, NULL, 0);
+ update_one(p);
if (set_executable_bit)
chmod_path(set_executable_bit, p);
- if (p < path || p > path + strlen(path))
- free((char *)p);
+ free(p);
ctx.argc--;
ctx.argv++;
break;
INDEX_FORMAT_LB, INDEX_FORMAT_UB);
if (the_index.version != preferred_index_format)
- active_cache_changed = 1;
+ active_cache_changed |= SOMETHING_CHANGED;
the_index.version = preferred_index_format;
}
setup_work_tree();
while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
- const char *p;
+ char *p;
if (line_termination && buf.buf[0] == '"') {
strbuf_reset(&nbuf);
if (unquote_c_style(&nbuf, buf.buf, NULL))
strbuf_swap(&buf, &nbuf);
}
p = prefix_path(prefix, prefix_length, buf.buf);
- update_one(p, NULL, 0);
+ update_one(p);
if (set_executable_bit)
chmod_path(set_executable_bit, p);
- if (p < buf.buf || p > buf.buf + buf.len)
- free((char *)p);
+ free(p);
}
strbuf_release(&nbuf);
strbuf_release(&buf);
}
+ if (split_index > 0) {
+ init_split_index(&the_index);
+ the_index.cache_changed |= SPLIT_INDEX_ORDERED;
+ } else if (!split_index && the_index.split_index) {
+ /*
+ * can't discard_split_index(&the_index); because that
+ * will destroy split_index->base->cache[], which may
+ * be shared with the_index.cache[]. So yeah we're
+ * leaking a bit here.
+ */
+ the_index.split_index = NULL;
+ the_index.cache_changed |= SOMETHING_CHANGED;
+ }
+ if (untracked_cache > 0) {
+ struct untracked_cache *uc;
+
+ if (untracked_cache < 2) {
+ setup_work_tree();
+ if (!test_if_untracked_cache_is_supported())
+ return 1;
+ }
+ if (!the_index.untracked) {
+ uc = xcalloc(1, sizeof(*uc));
+ strbuf_init(&uc->ident, 100);
+ uc->exclude_per_dir = ".gitignore";
+ /* should be the same flags used by git-status */
+ uc->dir_flags = DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
+ the_index.untracked = uc;
+ }
+ add_untracked_ident(the_index.untracked);
+ the_index.cache_changed |= UNTRACKED_CHANGED;
+ } else if (!untracked_cache && the_index.untracked) {
+ the_index.untracked = NULL;
+ the_index.cache_changed |= UNTRACKED_CHANGED;
+ }
+
if (active_cache_changed) {
if (newfd < 0) {
if (refresh_args.flags & REFRESH_QUIET)
exit(128);
- unable_to_lock_index_die(get_index_file(), lock_error);
+ unable_to_lock_die(get_index_file(), lock_error);
}
- if (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(lock_file))
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
die("Unable to write new index file");
}
projects / platform / upstream / git.git / blobdiff