diff options
Diffstat (limited to 'config.c')
| -rw-r--r-- | config.c | 546 |
1 files changed, 356 insertions, 190 deletions
@@ -24,7 +24,7 @@ struct config_source { size_t pos; } buf; } u; - const char *origin_type; + enum config_origin_type origin_type; const char *name; const char *path; int die_on_error; @@ -38,8 +38,36 @@ struct config_source { 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; /* @@ -131,7 +159,9 @@ static int handle_path_include(const char *path, struct config_include_data *inc 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--; } @@ -162,7 +192,7 @@ void git_config_push_parameter(const char *text) { struct strbuf env = STRBUF_INIT; const char *old = getenv(CONFIG_DATA_ENVIRONMENT); - if (old) { + if (old && *old) { strbuf_addstr(&env, old); strbuf_addch(&env, ' '); } @@ -171,11 +201,105 @@ void git_config_push_parameter(const char *text) 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(*store_key); + *store_key = NULL; + } + 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]) @@ -193,44 +317,55 @@ int git_config_parse_parameter(const char *text, 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) @@ -317,11 +452,6 @@ static char *parse_value(void) } } -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; @@ -417,6 +547,8 @@ static int git_parse_source(config_fn_t fn, void *data) 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 */ const char *bomptr = utf8_bom; @@ -471,10 +603,40 @@ static int git_parse_source(config_fn_t fn, void *data) 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 line %d in %s %s"), cf->linenr, cf->origin_type, cf->name); + die("%s", error_msg); else - return error(_("bad config line %d in %s %s"), cf->linenr, cf->origin_type, 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) @@ -583,16 +745,35 @@ int git_parse_ulong(const char *value, unsigned long *ret) 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->origin_type && cf->name) - die(_("bad numeric config value '%s' for '%s' in %s %s: %s"), - value, name, cf->origin_type, 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) @@ -717,6 +898,9 @@ static int git_default_core_config(const char *var, const char *value) 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; @@ -733,7 +917,12 @@ static int git_default_core_config(const char *var, const char *value) } 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; } @@ -743,13 +932,22 @@ static int git_default_core_config(const char *var, const char *value) } 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) @@ -771,6 +969,8 @@ static int git_default_core_config(const char *var, const char *value) core_compression_seen = 1; if (!zlib_compression_seen) zlib_compression_level = level; + if (!pack_compression_seen) + pack_compression_level = level; return 0; } @@ -836,9 +1036,6 @@ static int git_default_core_config(const char *var, const char *value) 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); @@ -1034,6 +1231,18 @@ int git_default_config(const char *var, const char *value, void *dummy) 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; } @@ -1066,7 +1275,8 @@ static int do_config_from(struct config_source *top, config_fn_t fn, void *data) } static int do_config_from_file(config_fn_t fn, - const char *origin_type, const char *name, const char *path, FILE *f, + const enum config_origin_type origin_type, + const char *name, const char *path, FILE *f, void *data) { struct config_source top; @@ -1085,7 +1295,7 @@ static int do_config_from_file(config_fn_t fn, static int git_config_from_stdin(config_fn_t fn, void *data) { - return do_config_from_file(fn, "standard input", "", 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) @@ -1096,14 +1306,14 @@ int git_config_from_file(config_fn_t fn, const char *filename, void *data) f = fopen(filename, "r"); if (f) { flockfile(f); - ret = do_config_from_file(fn, "file", filename, filename, f, data); + ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); funlockfile(f); fclose(f); } return ret; } -int git_config_from_mem(config_fn_t fn, const char *origin_type, +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; @@ -1122,10 +1332,10 @@ int git_config_from_mem(config_fn_t fn, const char *origin_type, 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_sha1(config_fn_t fn, + const char *name, + const unsigned char *sha1, + void *data) { enum object_type type; char *buf; @@ -1140,7 +1350,7 @@ static int git_config_from_blob_sha1(config_fn_t fn, return error("reference '%s' does not point to a blob", name); } - ret = git_config_from_mem(fn, "blob", name, buf, size, data); + ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data); free(buf); return ret; @@ -1194,47 +1404,36 @@ int git_config_system(void) static int do_git_config_sequence(config_fn_t fn, void *data) { - int ret = 0, found = 0; + int ret = 0; char *xdg_config = xdg_config_home("config"); char *user_config = expand_user_path("~/.gitconfig"); - char *repo_config = git_pathdup("config"); + char *repo_config = have_git_dir() ? git_pathdup("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 */ + current_parsing_scope = CONFIG_SCOPE_CMDLINE; + if (git_config_from_parameters(fn, data) < 0) 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_UNKNOWN; free(xdg_config); free(user_config); free(repo_config); - return ret == 0 ? found : ret; + return ret; } int git_config_with_options(config_fn_t fn, void *data, @@ -1269,7 +1468,7 @@ static void git_config_raw(config_fn_t fn, void *data) if (git_config_with_options(fn, data, NULL, 1) < 0) /* * git_config_with_options() normally returns only - * positive values, as most errors are fatal, and + * 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. @@ -1278,7 +1477,7 @@ static void git_config_raw(config_fn_t fn, void *data) * something went really wrong and we should stop * immediately. */ - die(_("unknown error occured while reading the configuration files")); + die(_("unknown error occurred while reading the configuration files")); } static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) @@ -1287,16 +1486,20 @@ static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) struct string_list *values; struct config_set_element *entry; struct configset_list *list = &cs->list; - struct key_value_info *kv_info; for (i = 0; i < list->nr; i++) { entry = list->items[i].e; value_index = list->items[i].value_index; values = &entry->value_list; - if (fn(entry->key, values->items[value_index].string, data) < 0) { - kv_info = values->items[value_index].util; - git_die_config_linenr(entry->key, kv_info->filename, kv_info->linenr); - } + + current_config_kvi = values->items[value_index].util; + + 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); + + current_config_kvi = NULL; } } @@ -1353,14 +1556,19 @@ static int configset_add_value(struct config_set *cs, const char *key, const cha l_item->e = e; l_item->value_index = e->value_list.nr - 1; - if (cf) { + 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; @@ -1873,93 +2081,6 @@ void git_config_set(const char *key, const char *value) } /* - * 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(*store_key); - *store_key = NULL; - } - 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); -} - -/* * If value==NULL, unset in (remove from) config, * if value_regex!=NULL, disregard key/value pairs where value does not match. * if value_regex==CONFIG_REGEX_NONE, do not match any existing values @@ -2013,7 +2134,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, lock = xcalloc(1, sizeof(struct lock_file)); 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; @@ -2027,8 +2148,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, 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; } @@ -2105,15 +2225,19 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, 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_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("unable to mmap '%s': %s", - config_filename, strerror(errno)); + error_errno("unable to mmap '%s'", config_filename); ret = CONFIG_INVALID_FILE; contents = NULL; goto out_free; @@ -2122,8 +2246,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, in_fd = -1; if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { - error("chmod on %s failed: %s", - get_lock_file_path(lock), strerror(errno)); + error_errno("chmod on %s failed", get_lock_file_path(lock)); ret = CONFIG_NO_WRITE; goto out_free; } @@ -2179,8 +2302,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, } if (commit_lock_file(lock) < 0) { - error("could not write config file %s: %s", config_filename, - strerror(errno)); + error_errno("could not write config file %s", config_filename); ret = CONFIG_NO_WRITE; lock = NULL; goto out_free; @@ -2310,7 +2432,7 @@ int git_config_rename_section_in_file(const char *config_filename, 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) @@ -2325,14 +2447,17 @@ int git_config_rename_section_in_file(const char *config_filename, if (!(config_file = fopen(config_filename, "rb"))) { /* 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(get_lock_file_path(lock), st.st_mode & 07777) < 0) { - ret = error("chmod on %s failed: %s", - get_lock_file_path(lock), strerror(errno)); + ret = error_errno("chmod on %s failed", + get_lock_file_path(lock)); goto out; } @@ -2384,11 +2509,13 @@ int git_config_rename_section_in_file(const char *config_filename, } } fclose(config_file); -unlock_and_out: +commit_and_out: if (commit_lock_file(lock) < 0) - ret = error("could not write config file %s: %s", - config_filename, strerror(errno)); + ret = error_errno("could not write config file %s", + config_filename); out: + rollback_lock_file(lock); +out_no_rollback: free(filename_buf); return ret; } @@ -2413,11 +2540,10 @@ 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; /* @@ -2429,12 +2555,16 @@ int parse_config_key(const char *var, *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; } @@ -2443,10 +2573,46 @@ int parse_config_key(const char *var, const char *current_config_origin_type(void) { - return cf && cf->origin_type ? cf->origin_type : "command line"; + 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) { - return cf && cf->name ? cf->name : ""; + 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; } |