*
*/
#include "cache.h"
+#include "config.h"
+#include "repository.h"
+#include "lockfile.h"
#include "exec_cmd.h"
#include "strbuf.h"
#include "quote.h"
+#include "hashmap.h"
+#include "string-list.h"
+#include "utf8.h"
+#include "dir.h"
struct config_source {
struct config_source *prev;
size_t pos;
} buf;
} u;
+ enum config_origin_type origin_type;
const char *name;
const char *path;
int die_on_error;
long (*do_ftell)(struct config_source *c);
};
+/*
+ * These variables record the "current" config source, which
+ * can be accessed by parsing callbacks.
+ *
+ * The "cf" variable will be non-NULL only when we are actually parsing a real
+ * config source (file, blob, cmdline, etc).
+ *
+ * The "current_config_kvi" variable will be non-NULL only when we are feeding
+ * cached config from a configset into a callback.
+ *
+ * They should generally never be non-NULL at the same time. If they are both
+ * NULL, then we aren't parsing anything (and depending on the function looking
+ * at the variables, it's either a bug for it to be called in the first place,
+ * or it's a function which can be reused for non-config purposes, and should
+ * fall back to some sane behavior).
+ */
static struct config_source *cf;
+static struct key_value_info *current_config_kvi;
+
+/*
+ * Similar to the variables above, this gives access to the "scope" of the
+ * current value (repo, global, etc). For cached values, it can be found via
+ * the current_config_kvi as above. During parsing, the current value can be
+ * found in this variable. It's not part of "cf" because it transcends a single
+ * file (i.e., a file included from .git/config is still in "repo" scope).
+ */
+static enum config_scope current_parsing_scope;
+static int core_compression_seen;
+static int pack_compression_seen;
static int zlib_compression_seen;
static int config_file_fgetc(struct config_source *conf)
{
- return fgetc(conf->u.file);
+ return getc_unlocked(conf->u.file);
}
static int config_file_ungetc(int c, struct config_source *conf)
static int config_buf_ungetc(int c, struct config_source *conf)
{
- if (conf->u.buf.pos > 0)
- return conf->u.buf.buf[--conf->u.buf.pos];
+ if (conf->u.buf.pos > 0) {
+ conf->u.buf.pos--;
+ if (conf->u.buf.buf[conf->u.buf.pos] != c)
+ die("BUG: config_buf can only ungetc the same character");
+ return c;
+ }
return EOF;
}
if (!path)
return config_error_nonbool("include.path");
- expanded = expand_user_path(path);
+ expanded = expand_user_path(path, 0);
if (!expanded)
- return error("Could not expand include path '%s'", path);
+ return error("could not expand include path '%s'", path);
path = expanded;
/*
if (!access_or_die(path, R_OK, 0)) {
if (++inc->depth > MAX_INCLUDE_DEPTH)
die(include_depth_advice, MAX_INCLUDE_DEPTH, path,
- cf && cf->name ? cf->name : "the command line");
+ !cf ? "<unknown>" :
+ cf->name ? cf->name :
+ "the command line");
ret = git_config_from_file(git_config_include, path, inc);
inc->depth--;
}
return ret;
}
+static int prepare_include_condition_pattern(struct strbuf *pat)
+{
+ struct strbuf path = STRBUF_INIT;
+ char *expanded;
+ int prefix = 0;
+
+ expanded = expand_user_path(pat->buf, 1);
+ if (expanded) {
+ strbuf_reset(pat);
+ strbuf_addstr(pat, expanded);
+ free(expanded);
+ }
+
+ if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) {
+ const char *slash;
+
+ if (!cf || !cf->path)
+ return error(_("relative config include "
+ "conditionals must come from files"));
+
+ strbuf_realpath(&path, cf->path, 1);
+ slash = find_last_dir_sep(path.buf);
+ if (!slash)
+ die("BUG: how is this possible?");
+ strbuf_splice(pat, 0, 1, path.buf, slash - path.buf);
+ prefix = slash - path.buf + 1 /* slash */;
+ } else if (!is_absolute_path(pat->buf))
+ strbuf_insert(pat, 0, "**/", 3);
+
+ if (pat->len && is_dir_sep(pat->buf[pat->len - 1]))
+ strbuf_addstr(pat, "**");
+
+ strbuf_release(&path);
+ return prefix;
+}
+
+static int include_by_gitdir(const struct config_options *opts,
+ const char *cond, size_t cond_len, int icase)
+{
+ struct strbuf text = STRBUF_INIT;
+ struct strbuf pattern = STRBUF_INIT;
+ int ret = 0, prefix;
+ const char *git_dir;
+ int already_tried_absolute = 0;
+
+ if (opts->git_dir)
+ git_dir = opts->git_dir;
+ else
+ goto done;
+
+ strbuf_realpath(&text, git_dir, 1);
+ strbuf_add(&pattern, cond, cond_len);
+ prefix = prepare_include_condition_pattern(&pattern);
+
+again:
+ if (prefix < 0)
+ goto done;
+
+ if (prefix > 0) {
+ /*
+ * perform literal matching on the prefix part so that
+ * any wildcard character in it can't create side effects.
+ */
+ if (text.len < prefix)
+ goto done;
+ if (!icase && strncmp(pattern.buf, text.buf, prefix))
+ goto done;
+ if (icase && strncasecmp(pattern.buf, text.buf, prefix))
+ goto done;
+ }
+
+ ret = !wildmatch(pattern.buf + prefix, text.buf + prefix,
+ icase ? WM_CASEFOLD : 0);
+
+ if (!ret && !already_tried_absolute) {
+ /*
+ * We've tried e.g. matching gitdir:~/work, but if
+ * ~/work is a symlink to /mnt/storage/work
+ * strbuf_realpath() will expand it, so the rule won't
+ * match. Let's match against a
+ * strbuf_add_absolute_path() version of the path,
+ * which'll do the right thing
+ */
+ strbuf_reset(&text);
+ strbuf_add_absolute_path(&text, git_dir);
+ already_tried_absolute = 1;
+ goto again;
+ }
+done:
+ strbuf_release(&pattern);
+ strbuf_release(&text);
+ return ret;
+}
+
+static int include_condition_is_true(const struct config_options *opts,
+ const char *cond, size_t cond_len)
+{
+
+ if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len))
+ return include_by_gitdir(opts, cond, cond_len, 0);
+ else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len))
+ return include_by_gitdir(opts, cond, cond_len, 1);
+
+ /* unknown conditionals are always false */
+ return 0;
+}
+
int git_config_include(const char *var, const char *value, void *data)
{
struct config_include_data *inc = data;
- const char *type;
+ const char *cond, *key;
+ int cond_len;
int ret;
/*
if (ret < 0)
return ret;
- if (!skip_prefix(var, "include.", &type))
- return ret;
+ if (!strcmp(var, "include.path"))
+ ret = handle_path_include(value, inc);
- if (!strcmp(type, "path"))
+ if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) &&
+ (cond && include_condition_is_true(inc->opts, cond, cond_len)) &&
+ !strcmp(key, "path"))
ret = handle_path_include(value, inc);
+
return ret;
}
{
struct strbuf env = STRBUF_INIT;
const char *old = getenv(CONFIG_DATA_ENVIRONMENT);
- if (old) {
+ if (old && *old) {
strbuf_addstr(&env, old);
strbuf_addch(&env, ' ');
}
strbuf_release(&env);
}
+static inline int iskeychar(int c)
+{
+ return isalnum(c) || c == '-';
+}
+
+/*
+ * Auxiliary function to sanity-check and split the key into the section
+ * identifier and variable name.
+ *
+ * Returns 0 on success, -1 when there is an invalid character in the key and
+ * -2 if there is no section name in the key.
+ *
+ * store_key - pointer to char* which will hold a copy of the key with
+ * lowercase section and variable name
+ * baselen - pointer to int which will hold the length of the
+ * section + subsection part, can be NULL
+ */
+static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet)
+{
+ int i, dot, baselen;
+ const char *last_dot = strrchr(key, '.');
+
+ /*
+ * Since "key" actually contains the section name and the real
+ * key name separated by a dot, we have to know where the dot is.
+ */
+
+ if (last_dot == NULL || last_dot == key) {
+ if (!quiet)
+ error("key does not contain a section: %s", key);
+ return -CONFIG_NO_SECTION_OR_NAME;
+ }
+
+ if (!last_dot[1]) {
+ if (!quiet)
+ error("key does not contain variable name: %s", key);
+ return -CONFIG_NO_SECTION_OR_NAME;
+ }
+
+ baselen = last_dot - key;
+ if (baselen_)
+ *baselen_ = baselen;
+
+ /*
+ * Validate the key and while at it, lower case it for matching.
+ */
+ if (store_key)
+ *store_key = xmallocz(strlen(key));
+
+ dot = 0;
+ for (i = 0; key[i]; i++) {
+ unsigned char c = key[i];
+ if (c == '.')
+ dot = 1;
+ /* Leave the extended basename untouched.. */
+ if (!dot || i > baselen) {
+ if (!iskeychar(c) ||
+ (i == baselen + 1 && !isalpha(c))) {
+ if (!quiet)
+ error("invalid key: %s", key);
+ goto out_free_ret_1;
+ }
+ c = tolower(c);
+ } else if (c == '\n') {
+ if (!quiet)
+ error("invalid key (newline): %s", key);
+ goto out_free_ret_1;
+ }
+ if (store_key)
+ (*store_key)[i] = c;
+ }
+
+ return 0;
+
+out_free_ret_1:
+ if (store_key) {
+ FREE_AND_NULL(*store_key);
+ }
+ return -CONFIG_INVALID_KEY;
+}
+
+int git_config_parse_key(const char *key, char **store_key, int *baselen)
+{
+ return git_config_parse_key_1(key, store_key, baselen, 0);
+}
+
+int git_config_key_is_valid(const char *key)
+{
+ return !git_config_parse_key_1(key, NULL, NULL, 1);
+}
+
int git_config_parse_parameter(const char *text,
config_fn_t fn, void *data)
{
const char *value;
+ char *canonical_name;
struct strbuf **pair;
+ int ret;
pair = strbuf_split_str(text, '=', 2);
if (!pair[0])
strbuf_list_free(pair);
return error("bogus config parameter: %s", text);
}
- strbuf_tolower(pair[0]);
- if (fn(pair[0]->buf, value, data) < 0) {
- strbuf_list_free(pair);
- return -1;
+
+ if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) {
+ ret = -1;
+ } else {
+ ret = (fn(canonical_name, value, data) < 0) ? -1 : 0;
+ free(canonical_name);
}
strbuf_list_free(pair);
- return 0;
+ return ret;
}
int git_config_from_parameters(config_fn_t fn, void *data)
{
const char *env = getenv(CONFIG_DATA_ENVIRONMENT);
+ int ret = 0;
char *envw;
const char **argv = NULL;
int nr = 0, alloc = 0;
int i;
+ struct config_source source;
if (!env)
return 0;
+
+ memset(&source, 0, sizeof(source));
+ source.prev = cf;
+ source.origin_type = CONFIG_ORIGIN_CMDLINE;
+ cf = &source;
+
/* sq_dequote will write over it */
envw = xstrdup(env);
if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) {
- free(envw);
- return error("bogus format in " CONFIG_DATA_ENVIRONMENT);
+ ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT);
+ goto out;
}
for (i = 0; i < nr; i++) {
if (git_config_parse_parameter(argv[i], fn, data) < 0) {
- free(argv);
- free(envw);
- return -1;
+ ret = -1;
+ goto out;
}
}
+out:
free(argv);
free(envw);
- return nr > 0;
+ cf = source.prev;
+ return ret;
}
static int get_next_char(void)
/* DOS like systems */
c = cf->do_fgetc(cf);
if (c != '\n') {
- cf->do_ungetc(c, cf);
+ if (c != EOF)
+ cf->do_ungetc(c, cf);
c = '\r';
}
}
cf->linenr++;
if (c == EOF) {
cf->eof = 1;
+ cf->linenr++;
c = '\n';
}
return c;
}
}
-static inline int iskeychar(int c)
-{
- return isalnum(c) || c == '-';
-}
-
static int get_value(config_fn_t fn, void *data, struct strbuf *name)
{
int c;
char *value;
+ int ret;
/* Get the full name */
for (;;) {
if (!value)
return -1;
}
- return fn(name->buf, value, data);
+ /*
+ * We already consumed the \n, but we need linenr to point to
+ * the line we just parsed during the call to fn to get
+ * accurate line number in error messages.
+ */
+ cf->linenr--;
+ ret = fn(name->buf, value, data);
+ if (ret >= 0)
+ cf->linenr++;
+ return ret;
}
static int get_extended_base_var(struct strbuf *name, int c)
int comment = 0;
int baselen = 0;
struct strbuf *var = &cf->var;
+ int error_return = 0;
+ char *error_msg = NULL;
/* U+FEFF Byte Order Mark in UTF8 */
- static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf";
- const unsigned char *bomptr = utf8_bom;
+ const char *bomptr = utf8_bom;
for (;;) {
int c = get_next_char();
/* We are at the file beginning; skip UTF8-encoded BOM
* if present. Sane editors won't put this in on their
* own, but e.g. Windows Notepad will do it happily. */
- if ((unsigned char) c == *bomptr) {
+ if (c == (*bomptr & 0377)) {
bomptr++;
continue;
} else {
if (get_value(fn, data, var) < 0)
break;
}
+
+ switch (cf->origin_type) {
+ case CONFIG_ORIGIN_BLOB:
+ error_msg = xstrfmt(_("bad config line %d in blob %s"),
+ cf->linenr, cf->name);
+ break;
+ case CONFIG_ORIGIN_FILE:
+ error_msg = xstrfmt(_("bad config line %d in file %s"),
+ cf->linenr, cf->name);
+ break;
+ case CONFIG_ORIGIN_STDIN:
+ error_msg = xstrfmt(_("bad config line %d in standard input"),
+ cf->linenr);
+ break;
+ case CONFIG_ORIGIN_SUBMODULE_BLOB:
+ error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"),
+ cf->linenr, cf->name);
+ break;
+ case CONFIG_ORIGIN_CMDLINE:
+ error_msg = xstrfmt(_("bad config line %d in command line %s"),
+ cf->linenr, cf->name);
+ break;
+ default:
+ error_msg = xstrfmt(_("bad config line %d in %s"),
+ cf->linenr, cf->name);
+ }
+
if (cf->die_on_error)
- die("bad config file line %d in %s", cf->linenr, cf->name);
+ die("%s", error_msg);
else
- return error("bad config file line %d in %s", cf->linenr, cf->name);
+ error_return = error("%s", error_msg);
+
+ free(error_msg);
+ return error_return;
}
static int parse_unit_factor(const char *end, uintmax_t *val)
errno = EINVAL;
return 0;
}
- uval = abs(val);
+ uval = labs(val);
uval *= factor;
- if (uval > max || abs(val) > uval) {
+ if (uval > max || labs(val) > uval) {
errno = ERANGE;
return 0;
}
return 1;
}
+static int git_parse_ssize_t(const char *value, ssize_t *ret)
+{
+ intmax_t tmp;
+ if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t)))
+ return 0;
+ *ret = tmp;
+ return 1;
+}
+
NORETURN
static void die_bad_number(const char *name, const char *value)
{
- const char *reason = errno == ERANGE ?
- "out of range" :
- "invalid unit";
+ const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit");
+
if (!value)
value = "";
- if (cf && cf->name)
- die("bad numeric config value '%s' for '%s' in %s: %s",
- value, name, cf->name, reason);
- die("bad numeric config value '%s' for '%s': %s", value, name, reason);
+ if (!(cf && cf->name))
+ die(_("bad numeric config value '%s' for '%s': %s"),
+ value, name, error_type);
+
+ switch (cf->origin_type) {
+ case CONFIG_ORIGIN_BLOB:
+ die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
+ value, name, cf->name, error_type);
+ case CONFIG_ORIGIN_FILE:
+ die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
+ value, name, cf->name, error_type);
+ case CONFIG_ORIGIN_STDIN:
+ die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
+ value, name, error_type);
+ case CONFIG_ORIGIN_SUBMODULE_BLOB:
+ die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
+ value, name, cf->name, error_type);
+ case CONFIG_ORIGIN_CMDLINE:
+ die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
+ value, name, cf->name, error_type);
+ default:
+ die(_("bad numeric config value '%s' for '%s' in %s: %s"),
+ value, name, cf->name, error_type);
+ }
}
int git_config_int(const char *name, const char *value)
return ret;
}
-static int git_config_maybe_bool_text(const char *name, const char *value)
+ssize_t git_config_ssize_t(const char *name, const char *value)
+{
+ ssize_t ret;
+ if (!git_parse_ssize_t(value, &ret))
+ die_bad_number(name, value);
+ return ret;
+}
+
+static int git_parse_maybe_bool_text(const char *value)
{
if (!value)
return 1;
return -1;
}
-int git_config_maybe_bool(const char *name, const char *value)
+int git_parse_maybe_bool(const char *value)
{
- int v = git_config_maybe_bool_text(name, value);
+ int v = git_parse_maybe_bool_text(value);
if (0 <= v)
return v;
if (git_parse_int(value, &v))
int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
{
- int v = git_config_maybe_bool_text(name, value);
+ int v = git_parse_maybe_bool_text(value);
if (0 <= v) {
*is_bool = 1;
return v;
{
if (!value)
return config_error_nonbool(var);
- *dest = expand_user_path(value);
+ *dest = expand_user_path(value, 0);
if (!*dest)
- die("Failed to expand user dir in: '%s'", value);
+ die(_("failed to expand user dir in: '%s'"), value);
+ return 0;
+}
+
+int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value)
+{
+ if (!value)
+ return config_error_nonbool(var);
+ if (parse_expiry_date(value, timestamp))
+ return error(_("'%s' for '%s' is not a valid timestamp"),
+ value, var);
return 0;
}
if (!strcmp(var, "core.attributesfile"))
return git_config_pathname(&git_attributes_file, var, value);
+ if (!strcmp(var, "core.hookspath"))
+ return git_config_pathname(&git_hooks_path, var, value);
+
if (!strcmp(var, "core.bare")) {
is_bare_repository_cfg = git_config_bool(var, value);
return 0;
}
if (!strcmp(var, "core.logallrefupdates")) {
- log_all_ref_updates = git_config_bool(var, value);
+ if (value && !strcasecmp(value, "always"))
+ log_all_ref_updates = LOG_REFS_ALWAYS;
+ else if (git_config_bool(var, value))
+ log_all_ref_updates = LOG_REFS_NORMAL;
+ else
+ log_all_ref_updates = LOG_REFS_NONE;
return 0;
}
}
if (!strcmp(var, "core.abbrev")) {
- int abbrev = git_config_int(var, value);
- if (abbrev < minimum_abbrev || abbrev > 40)
- return -1;
- default_abbrev = abbrev;
+ if (!value)
+ return config_error_nonbool(var);
+ if (!strcasecmp(value, "auto"))
+ default_abbrev = -1;
+ else {
+ int abbrev = git_config_int(var, value);
+ if (abbrev < minimum_abbrev || abbrev > 40)
+ return error("abbrev length out of range: %d", abbrev);
+ default_abbrev = abbrev;
+ }
return 0;
}
+ if (!strcmp(var, "core.disambiguate"))
+ return set_disambiguate_hint_config(var, value);
+
if (!strcmp(var, "core.loosecompression")) {
int level = git_config_int(var, value);
if (level == -1)
level = Z_DEFAULT_COMPRESSION;
else if (level < 0 || level > Z_BEST_COMPRESSION)
- die("bad zlib compression level %d", level);
+ die(_("bad zlib compression level %d"), level);
zlib_compression_level = level;
zlib_compression_seen = 1;
return 0;
if (level == -1)
level = Z_DEFAULT_COMPRESSION;
else if (level < 0 || level > Z_BEST_COMPRESSION)
- die("bad zlib compression level %d", level);
+ die(_("bad zlib compression level %d"), level);
core_compression_level = level;
core_compression_seen = 1;
if (!zlib_compression_seen)
zlib_compression_level = level;
+ if (!pack_compression_seen)
+ pack_compression_level = level;
return 0;
}
if (!strcmp(var, "core.autocrlf")) {
if (value && !strcasecmp(value, "input")) {
- if (core_eol == EOL_CRLF)
- return error("core.autocrlf=input conflicts with core.eol=crlf");
auto_crlf = AUTO_CRLF_INPUT;
return 0;
}
core_eol = EOL_NATIVE;
else
core_eol = EOL_UNSET;
- if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT)
- return error("core.autocrlf=input conflicts with core.eol=crlf");
return 0;
}
return 0;
}
- if (!strcmp(var, "core.pager"))
- return git_config_string(&pager_program, var, value);
-
if (!strcmp(var, "core.editor"))
return git_config_string(&editor_program, var, value);
else if (!strcmp(value, "link"))
object_creation_mode = OBJECT_CREATION_USES_HARDLINKS;
else
- die("Invalid mode for object creation: %s", value);
+ die(_("invalid mode for object creation: %s"), value);
return 0;
}
return 0;
}
+ if (!strcmp(var, "core.hidedotfiles")) {
+ if (value && !strcasecmp(value, "dotgitonly"))
+ hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
+ else
+ hide_dotfiles = git_config_bool(var, value);
+ return 0;
+ }
+
/* Add other config variables here and to Documentation/config.txt. */
return 0;
}
else if (!strcmp(value, "always"))
autorebase = AUTOREBASE_ALWAYS;
else
- return error("Malformed value for %s", var);
+ return error("malformed value for %s", var);
return 0;
}
else if (!strcmp(value, "current"))
push_default = PUSH_DEFAULT_CURRENT;
else {
- error("Malformed value for %s: %s", var, value);
+ error("malformed value for %s: %s", var, value);
return error("Must be one of nothing, matching, simple, "
"upstream or current.");
}
pack_size_limit_cfg = git_config_ulong(var, value);
return 0;
}
+
+ if (!strcmp(var, "pack.compression")) {
+ int level = git_config_int(var, value);
+ if (level == -1)
+ level = Z_DEFAULT_COMPRESSION;
+ else if (level < 0 || level > Z_BEST_COMPRESSION)
+ die(_("bad pack compression level %d"), level);
+ pack_compression_level = level;
+ pack_compression_seen = 1;
+ return 0;
+ }
+
/* Add other config variables here and to Documentation/config.txt. */
return 0;
}
}
static int do_config_from_file(config_fn_t fn,
- const char *name, const char *path, FILE *f, void *data)
+ const enum config_origin_type origin_type,
+ const char *name, const char *path, FILE *f,
+ void *data)
{
struct config_source top;
top.u.file = f;
+ top.origin_type = origin_type;
top.name = name;
top.path = path;
top.die_on_error = 1;
static int git_config_from_stdin(config_fn_t fn, void *data)
{
- return do_config_from_file(fn, "<stdin>", NULL, stdin, data);
+ return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data);
}
int git_config_from_file(config_fn_t fn, const char *filename, void *data)
int ret = -1;
FILE *f;
- f = fopen(filename, "r");
+ f = fopen_or_warn(filename, "r");
if (f) {
- ret = do_config_from_file(fn, filename, filename, f, data);
+ flockfile(f);
+ ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data);
+ funlockfile(f);
fclose(f);
}
return ret;
}
-int git_config_from_buf(config_fn_t fn, const char *name, const char *buf,
- size_t len, void *data)
+int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type,
+ const char *name, const char *buf, size_t len, void *data)
{
struct config_source top;
top.u.buf.buf = buf;
top.u.buf.len = len;
top.u.buf.pos = 0;
+ top.origin_type = origin_type;
top.name = name;
top.path = NULL;
top.die_on_error = 0;
return do_config_from(&top, fn, data);
}
-static int git_config_from_blob_sha1(config_fn_t fn,
- const char *name,
- const unsigned char *sha1,
- void *data)
+int git_config_from_blob_oid(config_fn_t fn,
+ const char *name,
+ const struct object_id *oid,
+ void *data)
{
enum object_type type;
char *buf;
unsigned long size;
int ret;
- buf = read_sha1_file(sha1, &type, &size);
+ buf = read_sha1_file(oid->hash, &type, &size);
if (!buf)
return error("unable to load config blob object '%s'", name);
if (type != OBJ_BLOB) {
return error("reference '%s' does not point to a blob", name);
}
- ret = git_config_from_buf(fn, name, buf, size, data);
+ ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data);
free(buf);
return ret;
const char *name,
void *data)
{
- unsigned char sha1[20];
+ struct object_id oid;
- if (get_sha1(name, sha1) < 0)
+ if (get_oid(name, &oid) < 0)
return error("unable to resolve config blob '%s'", name);
- return git_config_from_blob_sha1(fn, name, sha1, data);
+ return git_config_from_blob_oid(fn, name, &oid, data);
}
const char *git_etc_gitconfig(void)
return system_wide;
}
+/*
+ * Parse environment variable 'k' as a boolean (in various
+ * possible spellings); if missing, use the default value 'def'.
+ */
int git_env_bool(const char *k, int def)
{
const char *v = getenv(k);
return v ? git_config_bool(k, v) : def;
}
+/*
+ * Parse environment variable 'k' as ulong with possibly a unit
+ * suffix; if missing, use the default value 'val'.
+ */
+unsigned long git_env_ulong(const char *k, unsigned long val)
+{
+ const char *v = getenv(k);
+ if (v && !git_parse_ulong(v, &val))
+ die("failed to parse %s", k);
+ return val;
+}
+
int git_config_system(void)
{
return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
}
-int git_config_early(config_fn_t fn, void *data, const char *repo_config)
+static int do_git_config_sequence(const struct config_options *opts,
+ config_fn_t fn, void *data)
{
- int ret = 0, found = 0;
- char *xdg_config = NULL;
- char *user_config = NULL;
+ int ret = 0;
+ char *xdg_config = xdg_config_home("config");
+ char *user_config = expand_user_path("~/.gitconfig", 0);
+ char *repo_config;
- home_config_paths(&user_config, &xdg_config, "config");
+ if (opts->commondir)
+ repo_config = mkpathdup("%s/config", opts->commondir);
+ else
+ repo_config = NULL;
- if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) {
+ current_parsing_scope = CONFIG_SCOPE_SYSTEM;
+ if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0))
ret += git_config_from_file(fn, git_etc_gitconfig(),
data);
- found += 1;
- }
- if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) {
+ current_parsing_scope = CONFIG_SCOPE_GLOBAL;
+ if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
ret += git_config_from_file(fn, xdg_config, data);
- found += 1;
- }
- if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) {
+ if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK))
ret += git_config_from_file(fn, user_config, data);
- found += 1;
- }
- if (repo_config && !access_or_die(repo_config, R_OK, 0)) {
+ current_parsing_scope = CONFIG_SCOPE_REPO;
+ if (repo_config && !access_or_die(repo_config, R_OK, 0))
ret += git_config_from_file(fn, repo_config, data);
- found += 1;
- }
- switch (git_config_from_parameters(fn, data)) {
- case -1: /* error */
- die("unable to parse command-line config");
- break;
- case 0: /* found nothing */
- break;
- default: /* found at least one item */
- found++;
- break;
- }
+ current_parsing_scope = CONFIG_SCOPE_CMDLINE;
+ if (git_config_from_parameters(fn, data) < 0)
+ die(_("unable to parse command-line config"));
+ current_parsing_scope = CONFIG_SCOPE_UNKNOWN;
free(xdg_config);
free(user_config);
- return ret == 0 ? found : ret;
+ free(repo_config);
+ return ret;
}
-int git_config_with_options(config_fn_t fn, void *data,
- struct git_config_source *config_source,
- int respect_includes)
+int config_with_options(config_fn_t fn, void *data,
+ struct git_config_source *config_source,
+ const struct config_options *opts)
{
- char *repo_config = NULL;
- int ret;
struct config_include_data inc = CONFIG_INCLUDE_INIT;
- if (respect_includes) {
+ if (opts->respect_includes) {
inc.fn = fn;
inc.data = data;
+ inc.opts = opts;
fn = git_config_include;
data = &inc;
}
else if (config_source && config_source->blob)
return git_config_from_blob_ref(fn, config_source->blob, data);
- repo_config = git_pathdup("config");
- ret = git_config_early(fn, data, repo_config);
- if (repo_config)
- free(repo_config);
- return ret;
+ return do_git_config_sequence(opts, fn, data);
}
-int git_config(config_fn_t fn, void *data)
+static void configset_iter(struct config_set *cs, config_fn_t fn, void *data)
{
- return git_config_with_options(fn, data, NULL, 1);
-}
+ int i, value_index;
+ struct string_list *values;
+ struct config_set_element *entry;
+ struct configset_list *list = &cs->list;
-/*
- * Find all the stuff for git_config_set() below.
- */
+ for (i = 0; i < list->nr; i++) {
+ entry = list->items[i].e;
+ value_index = list->items[i].value_index;
+ values = &entry->value_list;
-static struct {
- int baselen;
- char *key;
- int do_not_match;
- regex_t *value_regex;
- int multi_replace;
- size_t *offset;
- unsigned int offset_alloc;
- enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
- int seen;
-} store;
+ current_config_kvi = values->items[value_index].util;
-static int matches(const char *key, const char *value)
-{
- if (strcmp(key, store.key))
- return 0; /* not ours */
- if (!store.value_regex)
- return 1; /* always matches */
- if (store.value_regex == CONFIG_REGEX_NONE)
- return 0; /* never matches */
+ if (fn(entry->key, values->items[value_index].string, data) < 0)
+ git_die_config_linenr(entry->key,
+ current_config_kvi->filename,
+ current_config_kvi->linenr);
- return store.do_not_match ^
- (value && !regexec(store.value_regex, value, 0, NULL, 0));
+ current_config_kvi = NULL;
+ }
}
-static int store_aux(const char *key, const char *value, void *cb)
+void read_early_config(config_fn_t cb, void *data)
{
- const char *ep;
- size_t section_len;
+ struct config_options opts = {0};
+ struct strbuf commondir = STRBUF_INIT;
+ struct strbuf gitdir = STRBUF_INIT;
- switch (store.state) {
- case KEY_SEEN:
- if (matches(key, value)) {
- if (store.seen == 1 && store.multi_replace == 0) {
- warning("%s has multiple values", key);
- }
+ opts.respect_includes = 1;
- ALLOC_GROW(store.offset, store.seen + 1,
- store.offset_alloc);
+ if (have_git_dir()) {
+ opts.commondir = get_git_common_dir();
+ opts.git_dir = get_git_dir();
+ /*
+ * When setup_git_directory() was not yet asked to discover the
+ * GIT_DIR, we ask discover_git_directory() to figure out whether there
+ * is any repository config we should use (but unlike
+ * setup_git_directory_gently(), no global state is changed, most
+ * notably, the current working directory is still the same after the
+ * call).
+ */
+ } else if (!discover_git_directory(&commondir, &gitdir)) {
+ opts.commondir = commondir.buf;
+ opts.git_dir = gitdir.buf;
+ }
- store.offset[store.seen] = cf->do_ftell(cf);
- store.seen++;
+ config_with_options(cb, data, NULL, &opts);
+
+ strbuf_release(&commondir);
+ strbuf_release(&gitdir);
+}
+
+static struct config_set_element *configset_find_element(struct config_set *cs, const char *key)
+{
+ struct config_set_element k;
+ struct config_set_element *found_entry;
+ char *normalized_key;
+ /*
+ * `key` may come from the user, so normalize it before using it
+ * for querying entries from the hashmap.
+ */
+ if (git_config_parse_key(key, &normalized_key, NULL))
+ return NULL;
+
+ hashmap_entry_init(&k, strhash(normalized_key));
+ k.key = normalized_key;
+ found_entry = hashmap_get(&cs->config_hash, &k, NULL);
+ free(normalized_key);
+ return found_entry;
+}
+
+static int configset_add_value(struct config_set *cs, const char *key, const char *value)
+{
+ struct config_set_element *e;
+ struct string_list_item *si;
+ struct configset_list_item *l_item;
+ struct key_value_info *kv_info = xmalloc(sizeof(*kv_info));
+
+ e = configset_find_element(cs, key);
+ /*
+ * Since the keys are being fed by git_config*() callback mechanism, they
+ * are already normalized. So simply add them without any further munging.
+ */
+ if (!e) {
+ e = xmalloc(sizeof(*e));
+ hashmap_entry_init(e, strhash(key));
+ e->key = xstrdup(key);
+ string_list_init(&e->value_list, 1);
+ hashmap_add(&cs->config_hash, e);
+ }
+ si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value));
+
+ ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc);
+ l_item = &cs->list.items[cs->list.nr++];
+ l_item->e = e;
+ l_item->value_index = e->value_list.nr - 1;
+
+ if (!cf)
+ die("BUG: configset_add_value has no source");
+ if (cf->name) {
+ kv_info->filename = strintern(cf->name);
+ kv_info->linenr = cf->linenr;
+ kv_info->origin_type = cf->origin_type;
+ } else {
+ /* for values read from `git_config_from_parameters()` */
+ kv_info->filename = NULL;
+ kv_info->linenr = -1;
+ kv_info->origin_type = CONFIG_ORIGIN_CMDLINE;
+ }
+ kv_info->scope = current_parsing_scope;
+ si->util = kv_info;
+
+ return 0;
+}
+
+static int config_set_element_cmp(const void *unused_cmp_data,
+ const void *entry,
+ const void *entry_or_key,
+ const void *unused_keydata)
+{
+ const struct config_set_element *e1 = entry;
+ const struct config_set_element *e2 = entry_or_key;
+
+ return strcmp(e1->key, e2->key);
+}
+
+void git_configset_init(struct config_set *cs)
+{
+ hashmap_init(&cs->config_hash, config_set_element_cmp, NULL, 0);
+ cs->hash_initialized = 1;
+ cs->list.nr = 0;
+ cs->list.alloc = 0;
+ cs->list.items = NULL;
+}
+
+void git_configset_clear(struct config_set *cs)
+{
+ struct config_set_element *entry;
+ struct hashmap_iter iter;
+ if (!cs->hash_initialized)
+ return;
+
+ hashmap_iter_init(&cs->config_hash, &iter);
+ while ((entry = hashmap_iter_next(&iter))) {
+ free(entry->key);
+ string_list_clear(&entry->value_list, 1);
+ }
+ hashmap_free(&cs->config_hash, 1);
+ cs->hash_initialized = 0;
+ free(cs->list.items);
+ cs->list.nr = 0;
+ cs->list.alloc = 0;
+ cs->list.items = NULL;
+}
+
+static int config_set_callback(const char *key, const char *value, void *cb)
+{
+ struct config_set *cs = cb;
+ configset_add_value(cs, key, value);
+ return 0;
+}
+
+int git_configset_add_file(struct config_set *cs, const char *filename)
+{
+ return git_config_from_file(config_set_callback, filename, cs);
+}
+
+int git_configset_get_value(struct config_set *cs, const char *key, const char **value)
+{
+ const struct string_list *values = NULL;
+ /*
+ * Follows "last one wins" semantic, i.e., if there are multiple matches for the
+ * queried key in the files of the configset, the value returned will be the last
+ * value in the value list for that key.
+ */
+ values = git_configset_get_value_multi(cs, key);
+
+ if (!values)
+ return 1;
+ assert(values->nr > 0);
+ *value = values->items[values->nr - 1].string;
+ return 0;
+}
+
+const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key)
+{
+ struct config_set_element *e = configset_find_element(cs, key);
+ return e ? &e->value_list : NULL;
+}
+
+int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest)
+{
+ const char *value;
+ if (!git_configset_get_value(cs, key, &value))
+ return git_config_string(dest, key, value);
+ else
+ return 1;
+}
+
+int git_configset_get_string(struct config_set *cs, const char *key, char **dest)
+{
+ return git_configset_get_string_const(cs, key, (const char **)dest);
+}
+
+int git_configset_get_int(struct config_set *cs, const char *key, int *dest)
+{
+ const char *value;
+ if (!git_configset_get_value(cs, key, &value)) {
+ *dest = git_config_int(key, value);
+ return 0;
+ } else
+ return 1;
+}
+
+int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest)
+{
+ const char *value;
+ if (!git_configset_get_value(cs, key, &value)) {
+ *dest = git_config_ulong(key, value);
+ return 0;
+ } else
+ return 1;
+}
+
+int git_configset_get_bool(struct config_set *cs, const char *key, int *dest)
+{
+ const char *value;
+ if (!git_configset_get_value(cs, key, &value)) {
+ *dest = git_config_bool(key, value);
+ return 0;
+ } else
+ return 1;
+}
+
+int git_configset_get_bool_or_int(struct config_set *cs, const char *key,
+ int *is_bool, int *dest)
+{
+ const char *value;
+ if (!git_configset_get_value(cs, key, &value)) {
+ *dest = git_config_bool_or_int(key, value, is_bool);
+ return 0;
+ } else
+ return 1;
+}
+
+int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest)
+{
+ const char *value;
+ if (!git_configset_get_value(cs, key, &value)) {
+ *dest = git_parse_maybe_bool(value);
+ if (*dest == -1)
+ return -1;
+ return 0;
+ } else
+ return 1;
+}
+
+int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest)
+{
+ const char *value;
+ if (!git_configset_get_value(cs, key, &value))
+ return git_config_pathname(dest, key, value);
+ else
+ return 1;
+}
+
+/* Functions use to read configuration from a repository */
+static void repo_read_config(struct repository *repo)
+{
+ struct config_options opts;
+
+ opts.respect_includes = 1;
+ opts.commondir = repo->commondir;
+ opts.git_dir = repo->gitdir;
+
+ if (!repo->config)
+ repo->config = xcalloc(1, sizeof(struct config_set));
+ else
+ git_configset_clear(repo->config);
+
+ git_configset_init(repo->config);
+
+ if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0)
+ /*
+ * config_with_options() normally returns only
+ * zero, as most errors are fatal, and
+ * non-fatal potential errors are guarded by "if"
+ * statements that are entered only when no error is
+ * possible.
+ *
+ * If we ever encounter a non-fatal error, it means
+ * something went really wrong and we should stop
+ * immediately.
+ */
+ die(_("unknown error occurred while reading the configuration files"));
+}
+
+static void git_config_check_init(struct repository *repo)
+{
+ if (repo->config && repo->config->hash_initialized)
+ return;
+ repo_read_config(repo);
+}
+
+static void repo_config_clear(struct repository *repo)
+{
+ if (!repo->config || !repo->config->hash_initialized)
+ return;
+ git_configset_clear(repo->config);
+}
+
+void repo_config(struct repository *repo, config_fn_t fn, void *data)
+{
+ git_config_check_init(repo);
+ configset_iter(repo->config, fn, data);
+}
+
+int repo_config_get_value(struct repository *repo,
+ const char *key, const char **value)
+{
+ git_config_check_init(repo);
+ return git_configset_get_value(repo->config, key, value);
+}
+
+const struct string_list *repo_config_get_value_multi(struct repository *repo,
+ const char *key)
+{
+ git_config_check_init(repo);
+ return git_configset_get_value_multi(repo->config, key);
+}
+
+int repo_config_get_string_const(struct repository *repo,
+ const char *key, const char **dest)
+{
+ int ret;
+ git_config_check_init(repo);
+ ret = git_configset_get_string_const(repo->config, key, dest);
+ if (ret < 0)
+ git_die_config(key, NULL);
+ return ret;
+}
+
+int repo_config_get_string(struct repository *repo,
+ const char *key, char **dest)
+{
+ git_config_check_init(repo);
+ return repo_config_get_string_const(repo, key, (const char **)dest);
+}
+
+int repo_config_get_int(struct repository *repo,
+ const char *key, int *dest)
+{
+ git_config_check_init(repo);
+ return git_configset_get_int(repo->config, key, dest);
+}
+
+int repo_config_get_ulong(struct repository *repo,
+ const char *key, unsigned long *dest)
+{
+ git_config_check_init(repo);
+ return git_configset_get_ulong(repo->config, key, dest);
+}
+
+int repo_config_get_bool(struct repository *repo,
+ const char *key, int *dest)
+{
+ git_config_check_init(repo);
+ return git_configset_get_bool(repo->config, key, dest);
+}
+
+int repo_config_get_bool_or_int(struct repository *repo,
+ const char *key, int *is_bool, int *dest)
+{
+ git_config_check_init(repo);
+ return git_configset_get_bool_or_int(repo->config, key, is_bool, dest);
+}
+
+int repo_config_get_maybe_bool(struct repository *repo,
+ const char *key, int *dest)
+{
+ git_config_check_init(repo);
+ return git_configset_get_maybe_bool(repo->config, key, dest);
+}
+
+int repo_config_get_pathname(struct repository *repo,
+ const char *key, const char **dest)
+{
+ int ret;
+ git_config_check_init(repo);
+ ret = git_configset_get_pathname(repo->config, key, dest);
+ if (ret < 0)
+ git_die_config(key, NULL);
+ return ret;
+}
+
+/* Functions used historically to read configuration from 'the_repository' */
+void git_config(config_fn_t fn, void *data)
+{
+ repo_config(the_repository, fn, data);
+}
+
+void git_config_clear(void)
+{
+ repo_config_clear(the_repository);
+}
+
+int git_config_get_value(const char *key, const char **value)
+{
+ return repo_config_get_value(the_repository, key, value);
+}
+
+const struct string_list *git_config_get_value_multi(const char *key)
+{
+ return repo_config_get_value_multi(the_repository, key);
+}
+
+int git_config_get_string_const(const char *key, const char **dest)
+{
+ return repo_config_get_string_const(the_repository, key, dest);
+}
+
+int git_config_get_string(const char *key, char **dest)
+{
+ return repo_config_get_string(the_repository, key, dest);
+}
+
+int git_config_get_int(const char *key, int *dest)
+{
+ return repo_config_get_int(the_repository, key, dest);
+}
+
+int git_config_get_ulong(const char *key, unsigned long *dest)
+{
+ return repo_config_get_ulong(the_repository, key, dest);
+}
+
+int git_config_get_bool(const char *key, int *dest)
+{
+ return repo_config_get_bool(the_repository, key, dest);
+}
+
+int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest)
+{
+ return repo_config_get_bool_or_int(the_repository, key, is_bool, dest);
+}
+
+int git_config_get_maybe_bool(const char *key, int *dest)
+{
+ return repo_config_get_maybe_bool(the_repository, key, dest);
+}
+
+int git_config_get_pathname(const char *key, const char **dest)
+{
+ return repo_config_get_pathname(the_repository, key, dest);
+}
+
+/*
+ * Note: This function exists solely to maintain backward compatibility with
+ * 'fetch' and 'update_clone' storing configuration in '.gitmodules' and should
+ * NOT be used anywhere else.
+ *
+ * Runs the provided config function on the '.gitmodules' file found in the
+ * working directory.
+ */
+void config_from_gitmodules(config_fn_t fn, void *data)
+{
+ if (the_repository->worktree) {
+ char *file = repo_worktree_path(the_repository, GITMODULES_FILE);
+ git_config_from_file(fn, file, data);
+ free(file);
+ }
+}
+
+int git_config_get_expiry(const char *key, const char **output)
+{
+ int ret = git_config_get_string_const(key, output);
+ if (ret)
+ return ret;
+ if (strcmp(*output, "now")) {
+ timestamp_t now = approxidate("now");
+ if (approxidate(*output) >= now)
+ git_die_config(key, _("Invalid %s: '%s'"), key, *output);
+ }
+ return ret;
+}
+
+int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now)
+{
+ char *expiry_string;
+ intmax_t days;
+ timestamp_t when;
+
+ if (git_config_get_string(key, &expiry_string))
+ return 1; /* no such thing */
+
+ if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) {
+ const int scale = 86400;
+ *expiry = now - days * scale;
+ return 0;
+ }
+
+ if (!parse_expiry_date(expiry_string, &when)) {
+ *expiry = when;
+ return 0;
+ }
+ return -1; /* thing exists but cannot be parsed */
+}
+
+int git_config_get_untracked_cache(void)
+{
+ int val = -1;
+ const char *v;
+
+ /* Hack for test programs like test-dump-untracked-cache */
+ if (ignore_untracked_cache_config)
+ return -1;
+
+ if (!git_config_get_maybe_bool("core.untrackedcache", &val))
+ return val;
+
+ if (!git_config_get_value("core.untrackedcache", &v)) {
+ if (!strcasecmp(v, "keep"))
+ return -1;
+
+ error(_("unknown core.untrackedCache value '%s'; "
+ "using 'keep' default value"), v);
+ return -1;
+ }
+
+ return -1; /* default value */
+}
+
+int git_config_get_split_index(void)
+{
+ int val;
+
+ if (!git_config_get_maybe_bool("core.splitindex", &val))
+ return val;
+
+ return -1; /* default value */
+}
+
+int git_config_get_max_percent_split_change(void)
+{
+ int val = -1;
+
+ if (!git_config_get_int("splitindex.maxpercentchange", &val)) {
+ if (0 <= val && val <= 100)
+ return val;
+
+ return error(_("splitIndex.maxPercentChange value '%d' "
+ "should be between 0 and 100"), val);
+ }
+
+ return -1; /* default value */
+}
+
+int git_config_get_fsmonitor(void)
+{
+ if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor))
+ core_fsmonitor = getenv("GIT_FSMONITOR_TEST");
+
+ if (core_fsmonitor && !*core_fsmonitor)
+ core_fsmonitor = NULL;
+
+ if (core_fsmonitor)
+ return 1;
+
+ return 0;
+}
+
+NORETURN
+void git_die_config_linenr(const char *key, const char *filename, int linenr)
+{
+ if (!filename)
+ die(_("unable to parse '%s' from command-line config"), key);
+ else
+ die(_("bad config variable '%s' in file '%s' at line %d"),
+ key, filename, linenr);
+}
+
+NORETURN __attribute__((format(printf, 2, 3)))
+void git_die_config(const char *key, const char *err, ...)
+{
+ const struct string_list *values;
+ struct key_value_info *kv_info;
+
+ if (err) {
+ va_list params;
+ va_start(params, err);
+ vreportf("error: ", err, params);
+ va_end(params);
+ }
+ values = git_config_get_value_multi(key);
+ kv_info = values->items[values->nr - 1].util;
+ git_die_config_linenr(key, kv_info->filename, kv_info->linenr);
+}
+
+/*
+ * Find all the stuff for git_config_set() below.
+ */
+
+static struct {
+ int baselen;
+ char *key;
+ int do_not_match;
+ regex_t *value_regex;
+ int multi_replace;
+ size_t *offset;
+ unsigned int offset_alloc;
+ enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
+ unsigned int seen;
+} store;
+
+static int matches(const char *key, const char *value)
+{
+ if (strcmp(key, store.key))
+ return 0; /* not ours */
+ if (!store.value_regex)
+ return 1; /* always matches */
+ if (store.value_regex == CONFIG_REGEX_NONE)
+ return 0; /* never matches */
+
+ return store.do_not_match ^
+ (value && !regexec(store.value_regex, value, 0, NULL, 0));
+}
+
+static int store_aux(const char *key, const char *value, void *cb)
+{
+ const char *ep;
+ size_t section_len;
+
+ switch (store.state) {
+ case KEY_SEEN:
+ if (matches(key, value)) {
+ if (store.seen == 1 && store.multi_replace == 0) {
+ warning(_("%s has multiple values"), key);
+ }
+
+ ALLOC_GROW(store.offset, store.seen + 1,
+ store.offset_alloc);
+
+ store.offset[store.seen] = cf->do_ftell(cf);
+ store.seen++;
}
break;
case SECTION_SEEN:
return 4;
}
-static int store_write_section(int fd, const char *key)
+static struct strbuf store_create_section(const char *key)
{
const char *dot;
- int i, success;
+ int i;
struct strbuf sb = STRBUF_INIT;
dot = memchr(key, '.', store.baselen);
strbuf_addf(&sb, "[%.*s]\n", store.baselen, key);
}
- success = write_in_full(fd, sb.buf, sb.len) == sb.len;
+ return sb;
+}
+
+static ssize_t write_section(int fd, const char *key)
+{
+ struct strbuf sb = store_create_section(key);
+ ssize_t ret;
+
+ ret = write_in_full(fd, sb.buf, sb.len);
strbuf_release(&sb);
- return success;
+ return ret;
}
-static int store_write_pair(int fd, const char *key, const char *value)
+static ssize_t write_pair(int fd, const char *key, const char *value)
{
- int i, success;
+ int i;
+ ssize_t ret;
int length = strlen(key + store.baselen + 1);
const char *quote = "";
struct strbuf sb = STRBUF_INIT;
case '"':
case '\\':
strbuf_addch(&sb, '\\');
+ /* fallthrough */
default:
strbuf_addch(&sb, value[i]);
break;
}
strbuf_addf(&sb, "%s\n", quote);
- success = write_in_full(fd, sb.buf, sb.len) == sb.len;
+ ret = write_in_full(fd, sb.buf, sb.len);
strbuf_release(&sb);
- return success;
+ return ret;
}
static ssize_t find_beginning_of_line(const char *contents, size_t size,
return offset;
}
-int git_config_set_in_file(const char *config_filename,
- const char *key, const char *value)
+int git_config_set_in_file_gently(const char *config_filename,
+ const char *key, const char *value)
{
- return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0);
+ return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0);
}
-int git_config_set(const char *key, const char *value)
+void git_config_set_in_file(const char *config_filename,
+ const char *key, const char *value)
{
- return git_config_set_multivar(key, value, NULL, 0);
+ git_config_set_multivar_in_file(config_filename, key, value, NULL, 0);
}
-/*
- * Auxiliary function to sanity-check and split the key into the section
- * identifier and variable name.
- *
- * Returns 0 on success, -1 when there is an invalid character in the key and
- * -2 if there is no section name in the key.
- *
- * store_key - pointer to char* which will hold a copy of the key with
- * lowercase section and variable name
- * baselen - pointer to int which will hold the length of the
- * section + subsection part, can be NULL
- */
-int git_config_parse_key(const char *key, char **store_key, int *baselen_)
+int git_config_set_gently(const char *key, const char *value)
{
- int i, dot, baselen;
- const char *last_dot = strrchr(key, '.');
-
- /*
- * Since "key" actually contains the section name and the real
- * key name separated by a dot, we have to know where the dot is.
- */
-
- if (last_dot == NULL || last_dot == key) {
- error("key does not contain a section: %s", key);
- return -CONFIG_NO_SECTION_OR_NAME;
- }
-
- if (!last_dot[1]) {
- error("key does not contain variable name: %s", key);
- return -CONFIG_NO_SECTION_OR_NAME;
- }
-
- baselen = last_dot - key;
- if (baselen_)
- *baselen_ = baselen;
-
- /*
- * Validate the key and while at it, lower case it for matching.
- */
- *store_key = xmalloc(strlen(key) + 1);
-
- dot = 0;
- for (i = 0; key[i]; i++) {
- unsigned char c = key[i];
- if (c == '.')
- dot = 1;
- /* Leave the extended basename untouched.. */
- if (!dot || i > baselen) {
- if (!iskeychar(c) ||
- (i == baselen + 1 && !isalpha(c))) {
- error("invalid key: %s", key);
- goto out_free_ret_1;
- }
- c = tolower(c);
- } else if (c == '\n') {
- error("invalid key (newline): %s", key);
- goto out_free_ret_1;
- }
- (*store_key)[i] = c;
- }
- (*store_key)[i] = 0;
-
- return 0;
+ return git_config_set_multivar_gently(key, value, NULL, 0);
+}
-out_free_ret_1:
- free(*store_key);
- *store_key = NULL;
- return -CONFIG_INVALID_KEY;
+void git_config_set(const char *key, const char *value)
+{
+ git_config_set_multivar(key, value, NULL, 0);
}
/*
* - the config file is removed and the lock file rename()d to it.
*
*/
-int git_config_set_multivar_in_file(const char *config_filename,
- const char *key, const char *value,
- const char *value_regex, int multi_replace)
+int git_config_set_multivar_in_file_gently(const char *config_filename,
+ const char *key, const char *value,
+ const char *value_regex,
+ int multi_replace)
{
- int fd = -1, in_fd;
+ int fd = -1, in_fd = -1;
int ret;
- struct lock_file *lock = NULL;
+ struct lock_file lock = LOCK_INIT;
char *filename_buf = NULL;
+ char *contents = NULL;
+ size_t contents_sz;
/* parse-key returns negative; flip the sign to feed exit(3) */
ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
* The lock serves a purpose in addition to locking: the new
* contents of .git/config will be written into it.
*/
- lock = xcalloc(1, sizeof(struct lock_file));
- fd = hold_lock_file_for_update(lock, config_filename, 0);
+ fd = hold_lock_file_for_update(&lock, config_filename, 0);
if (fd < 0) {
- error("could not lock config file %s: %s", config_filename, strerror(errno));
+ error_errno("could not lock config file %s", config_filename);
free(store.key);
ret = CONFIG_NO_LOCK;
goto out_free;
free(store.key);
if ( ENOENT != errno ) {
- error("opening %s: %s", config_filename,
- strerror(errno));
+ error_errno("opening %s", config_filename);
ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */
goto out_free;
}
}
store.key = (char *)key;
- if (!store_write_section(fd, key) ||
- !store_write_pair(fd, key, value))
+ if (write_section(fd, key) < 0 ||
+ write_pair(fd, key, value) < 0)
goto write_err_out;
} else {
struct stat st;
- char *contents;
- size_t contents_sz, copy_begin, copy_end;
+ size_t copy_begin, copy_end;
int i, new_line = 0;
if (value_regex == NULL)
goto out_free;
}
- fstat(in_fd, &st);
+ if (fstat(in_fd, &st) == -1) {
+ error_errno(_("fstat on %s failed"), config_filename);
+ ret = CONFIG_INVALID_FILE;
+ goto out_free;
+ }
+
contents_sz = xsize_t(st.st_size);
- contents = xmmap(NULL, contents_sz, PROT_READ,
- MAP_PRIVATE, in_fd, 0);
+ contents = xmmap_gently(NULL, contents_sz, PROT_READ,
+ MAP_PRIVATE, in_fd, 0);
+ if (contents == MAP_FAILED) {
+ if (errno == ENODEV && S_ISDIR(st.st_mode))
+ errno = EISDIR;
+ error_errno("unable to mmap '%s'", config_filename);
+ ret = CONFIG_INVALID_FILE;
+ contents = NULL;
+ goto out_free;
+ }
close(in_fd);
+ in_fd = -1;
- if (chmod(lock->filename, st.st_mode & 07777) < 0) {
- error("chmod on %s failed: %s",
- lock->filename, strerror(errno));
+ if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
+ error_errno("chmod on %s failed", get_lock_file_path(&lock));
ret = CONFIG_NO_WRITE;
goto out_free;
}
/* write the first part of the config */
if (copy_end > copy_begin) {
if (write_in_full(fd, contents + copy_begin,
- copy_end - copy_begin) <
- copy_end - copy_begin)
+ copy_end - copy_begin) < 0)
goto write_err_out;
if (new_line &&
- write_str_in_full(fd, "\n") != 1)
+ write_str_in_full(fd, "\n") < 0)
goto write_err_out;
}
copy_begin = store.offset[i];
/* write the pair (value == NULL means unset) */
if (value != NULL) {
if (store.state == START) {
- if (!store_write_section(fd, key))
+ if (write_section(fd, key) < 0)
goto write_err_out;
}
- if (!store_write_pair(fd, key, value))
+ if (write_pair(fd, key, value) < 0)
goto write_err_out;
}
/* write the rest of the config */
if (copy_begin < contents_sz)
if (write_in_full(fd, contents + copy_begin,
- contents_sz - copy_begin) <
- contents_sz - copy_begin)
+ contents_sz - copy_begin) < 0)
goto write_err_out;
munmap(contents, contents_sz);
+ contents = NULL;
}
- if (commit_lock_file(lock) < 0) {
- error("could not commit config file %s", config_filename);
+ if (commit_lock_file(&lock) < 0) {
+ error_errno("could not write config file %s", config_filename);
ret = CONFIG_NO_WRITE;
goto out_free;
}
- /*
- * lock is committed, so don't try to roll it back below.
- * NOTE: Since lockfile.c keeps a linked list of all created
- * lock_file structures, it isn't safe to free(lock). It's
- * better to just leave it hanging around.
- */
- lock = NULL;
ret = 0;
+ /* Invalidate the config cache */
+ git_config_clear();
+
out_free:
- if (lock)
- rollback_lock_file(lock);
+ rollback_lock_file(&lock);
free(filename_buf);
+ if (contents)
+ munmap(contents, contents_sz);
+ if (in_fd >= 0)
+ close(in_fd);
return ret;
write_err_out:
- ret = write_error(lock->filename);
+ ret = write_error(get_lock_file_path(&lock));
goto out_free;
}
-int git_config_set_multivar(const char *key, const char *value,
- const char *value_regex, int multi_replace)
+void git_config_set_multivar_in_file(const char *config_filename,
+ const char *key, const char *value,
+ const char *value_regex, int multi_replace)
+{
+ if (!git_config_set_multivar_in_file_gently(config_filename, key, value,
+ value_regex, multi_replace))
+ return;
+ if (value)
+ die(_("could not set '%s' to '%s'"), key, value);
+ else
+ die(_("could not unset '%s'"), key);
+}
+
+int git_config_set_multivar_gently(const char *key, const char *value,
+ const char *value_regex, int multi_replace)
{
- return git_config_set_multivar_in_file(NULL, key, value, value_regex,
- multi_replace);
+ return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex,
+ multi_replace);
+}
+
+void git_config_set_multivar(const char *key, const char *value,
+ const char *value_regex, int multi_replace)
+{
+ git_config_set_multivar_in_file(NULL, key, value, value_regex,
+ multi_replace);
}
static int section_name_match (const char *buf, const char *name)
}
/* if new_name == NULL, the section is removed instead */
-int git_config_rename_section_in_file(const char *config_filename,
- const char *old_name, const char *new_name)
+static int git_config_copy_or_rename_section_in_file(const char *config_filename,
+ const char *old_name, const char *new_name, int copy)
{
int ret = 0, remove = 0;
char *filename_buf = NULL;
- struct lock_file *lock;
+ struct lock_file lock = LOCK_INIT;
int out_fd;
char buf[1024];
- FILE *config_file;
+ FILE *config_file = NULL;
struct stat st;
+ struct strbuf copystr = STRBUF_INIT;
if (new_name && !section_name_is_ok(new_name)) {
ret = error("invalid section name: %s", new_name);
- goto out;
+ goto out_no_rollback;
}
if (!config_filename)
config_filename = filename_buf = git_pathdup("config");
- lock = xcalloc(1, sizeof(struct lock_file));
- out_fd = hold_lock_file_for_update(lock, config_filename, 0);
+ out_fd = hold_lock_file_for_update(&lock, config_filename, 0);
if (out_fd < 0) {
ret = error("could not lock config file %s", config_filename);
goto out;
}
if (!(config_file = fopen(config_filename, "rb"))) {
+ ret = warn_on_fopen_errors(config_filename);
+ if (ret)
+ goto out;
/* no config file means nothing to rename, no error */
- goto unlock_and_out;
+ goto commit_and_out;
}
- fstat(fileno(config_file), &st);
+ if (fstat(fileno(config_file), &st) == -1) {
+ ret = error_errno(_("fstat on %s failed"), config_filename);
+ goto out;
+ }
- if (chmod(lock->filename, st.st_mode & 07777) < 0) {
- ret = error("chmod on %s failed: %s",
- lock->filename, strerror(errno));
+ if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
+ ret = error_errno("chmod on %s failed",
+ get_lock_file_path(&lock));
goto out;
}
while (fgets(buf, sizeof(buf), config_file)) {
int i;
int length;
+ int is_section = 0;
char *output = buf;
for (i = 0; buf[i] && isspace(buf[i]); i++)
; /* do nothing */
if (buf[i] == '[') {
/* it's a section */
- int offset = section_name_match(&buf[i], old_name);
+ int offset;
+ is_section = 1;
+
+ /*
+ * When encountering a new section under -c we
+ * need to flush out any section we're already
+ * coping and begin anew. There might be
+ * multiple [branch "$name"] sections.
+ */
+ if (copystr.len > 0) {
+ if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
+ ret = write_error(get_lock_file_path(&lock));
+ goto out;
+ }
+ strbuf_reset(©str);
+ }
+
+ offset = section_name_match(&buf[i], old_name);
if (offset > 0) {
ret++;
if (new_name == NULL) {
continue;
}
store.baselen = strlen(new_name);
- if (!store_write_section(out_fd, new_name)) {
- ret = write_error(lock->filename);
- goto out;
- }
- /*
- * We wrote out the new section, with
- * a newline, now skip the old
- * section's length
- */
- output += offset + i;
- if (strlen(output) > 0) {
+ if (!copy) {
+ if (write_section(out_fd, new_name) < 0) {
+ ret = write_error(get_lock_file_path(&lock));
+ goto out;
+ }
/*
- * More content means there's
- * a declaration to put on the
- * next line; indent with a
- * tab
+ * We wrote out the new section, with
+ * a newline, now skip the old
+ * section's length
*/
- output -= 1;
- output[0] = '\t';
+ output += offset + i;
+ if (strlen(output) > 0) {
+ /*
+ * More content means there's
+ * a declaration to put on the
+ * next line; indent with a
+ * tab
+ */
+ output -= 1;
+ output[0] = '\t';
+ }
+ } else {
+ copystr = store_create_section(new_name);
}
}
remove = 0;
if (remove)
continue;
length = strlen(output);
- if (write_in_full(out_fd, output, length) != length) {
- ret = write_error(lock->filename);
+
+ if (!is_section && copystr.len > 0) {
+ strbuf_add(©str, output, length);
+ }
+
+ if (write_in_full(out_fd, output, length) < 0) {
+ ret = write_error(get_lock_file_path(&lock));
goto out;
}
}
+
+ /*
+ * Copy a trailing section at the end of the config, won't be
+ * flushed by the usual "flush because we have a new section
+ * logic in the loop above.
+ */
+ if (copystr.len > 0) {
+ if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
+ ret = write_error(get_lock_file_path(&lock));
+ goto out;
+ }
+ strbuf_reset(©str);
+ }
+
fclose(config_file);
-unlock_and_out:
- if (commit_lock_file(lock) < 0)
- ret = error("could not commit config file %s", config_filename);
+ config_file = NULL;
+commit_and_out:
+ if (commit_lock_file(&lock) < 0)
+ ret = error_errno("could not write config file %s",
+ config_filename);
out:
+ if (config_file)
+ fclose(config_file);
+ rollback_lock_file(&lock);
+out_no_rollback:
free(filename_buf);
return ret;
}
+int git_config_rename_section_in_file(const char *config_filename,
+ const char *old_name, const char *new_name)
+{
+ return git_config_copy_or_rename_section_in_file(config_filename,
+ old_name, new_name, 0);
+}
+
int git_config_rename_section(const char *old_name, const char *new_name)
{
return git_config_rename_section_in_file(NULL, old_name, new_name);
}
+int git_config_copy_section_in_file(const char *config_filename,
+ const char *old_name, const char *new_name)
+{
+ return git_config_copy_or_rename_section_in_file(config_filename,
+ old_name, new_name, 1);
+}
+
+int git_config_copy_section(const char *old_name, const char *new_name)
+{
+ return git_config_copy_section_in_file(NULL, old_name, new_name);
+}
+
/*
* Call this to report error for your variable that should not
* get a boolean value (i.e. "[my] var" means "true").
#undef config_error_nonbool
int config_error_nonbool(const char *var)
{
- return error("Missing value for '%s'", var);
+ return error("missing value for '%s'", var);
}
int parse_config_key(const char *var,
const char **subsection, int *subsection_len,
const char **key)
{
- int section_len = strlen(section);
const char *dot;
/* Does it start with "section." ? */
- if (!starts_with(var, section) || var[section_len] != '.')
+ if (!skip_prefix(var, section, &var) || *var != '.')
return -1;
/*
*key = dot + 1;
/* Did we have a subsection at all? */
- if (dot == var + section_len) {
- *subsection = NULL;
- *subsection_len = 0;
+ if (dot == var) {
+ if (subsection) {
+ *subsection = NULL;
+ *subsection_len = 0;
+ }
}
else {
- *subsection = var + section_len + 1;
+ if (!subsection)
+ return -1;
+ *subsection = var + 1;
*subsection_len = dot - *subsection;
}
return 0;
}
+
+const char *current_config_origin_type(void)
+{
+ int type;
+ if (current_config_kvi)
+ type = current_config_kvi->origin_type;
+ else if(cf)
+ type = cf->origin_type;
+ else
+ die("BUG: current_config_origin_type called outside config callback");
+
+ switch (type) {
+ case CONFIG_ORIGIN_BLOB:
+ return "blob";
+ case CONFIG_ORIGIN_FILE:
+ return "file";
+ case CONFIG_ORIGIN_STDIN:
+ return "standard input";
+ case CONFIG_ORIGIN_SUBMODULE_BLOB:
+ return "submodule-blob";
+ case CONFIG_ORIGIN_CMDLINE:
+ return "command line";
+ default:
+ die("BUG: unknown config origin type");
+ }
+}
+
+const char *current_config_name(void)
+{
+ const char *name;
+ if (current_config_kvi)
+ name = current_config_kvi->filename;
+ else if (cf)
+ name = cf->name;
+ else
+ die("BUG: current_config_name called outside config callback");
+ return name ? name : "";
+}
+
+enum config_scope current_config_scope(void)
+{
+ if (current_config_kvi)
+ return current_config_kvi->scope;
+ else
+ return current_parsing_scope;
+}
projects / platform / upstream / git.git / blobdiff