diff options
Diffstat (limited to 'config.c')
-rw-r--r-- | config.c | 1103 |
1 files changed, 903 insertions, 200 deletions
@@ -6,9 +6,13 @@ * */ #include "cache.h" +#include "lockfile.h" #include "exec_cmd.h" #include "strbuf.h" #include "quote.h" +#include "hashmap.h" +#include "string-list.h" +#include "utf8.h" struct config_source { struct config_source *prev; @@ -20,7 +24,9 @@ struct config_source { size_t pos; } buf; } u; + enum config_origin_type origin_type; const char *name; + const char *path; int die_on_error; int linenr; int eof; @@ -32,13 +38,48 @@ 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; +/* + * Default config_set that contains key-value pairs from the usual set of config + * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG + * config file and the global /etc/gitconfig) + */ +static struct config_set the_config_set; + 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) @@ -62,8 +103,12 @@ static int config_buf_fgetc(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; } @@ -91,7 +136,7 @@ static int handle_path_include(const char *path, struct config_include_data *inc expanded = expand_user_path(path); if (!expanded) - return error("Could not expand include path '%s'", path); + return error("could not expand include path '%s'", path); path = expanded; /* @@ -101,12 +146,12 @@ static int handle_path_include(const char *path, struct config_include_data *inc if (!is_absolute_path(path)) { char *slash; - if (!cf || !cf->name) + if (!cf || !cf->path) return error("relative config includes must come from files"); - slash = find_last_dir_sep(cf->name); + slash = find_last_dir_sep(cf->path); if (slash) - strbuf_add(&buf, cf->name, slash - cf->name + 1); + strbuf_add(&buf, cf->path, slash - cf->path + 1); strbuf_addstr(&buf, path); path = buf.buf; } @@ -114,7 +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--; } @@ -126,7 +173,6 @@ static int handle_path_include(const char *path, struct config_include_data *inc int git_config_include(const char *var, const char *value, void *data) { struct config_include_data *inc = data; - const char *type; int ret; /* @@ -137,26 +183,16 @@ int git_config_include(const char *var, const char *value, void *data) if (ret < 0) return ret; - type = skip_prefix(var, "include."); - if (!type) - return ret; - - if (!strcmp(type, "path")) + if (!strcmp(var, "include.path")) ret = handle_path_include(value, inc); return ret; } -static void lowercase(char *p) -{ - for (; *p; p++) - *p = tolower(*p); -} - 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, ' '); } @@ -168,19 +204,27 @@ void git_config_push_parameter(const char *text) int git_config_parse_parameter(const char *text, config_fn_t fn, void *data) { + const char *value; struct strbuf **pair; + pair = strbuf_split_str(text, '=', 2); if (!pair[0]) return error("bogus config parameter: %s", text); - if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') + + if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { strbuf_setlen(pair[0], pair[0]->len - 1); + value = pair[1] ? pair[1]->buf : ""; + } else { + value = NULL; + } + strbuf_trim(pair[0]); if (!pair[0]->len) { strbuf_list_free(pair); return error("bogus config parameter: %s", text); } - lowercase(pair[0]->buf); - if (fn(pair[0]->buf, pair[1] ? pair[1]->buf : NULL, data) < 0) { + strbuf_tolower(pair[0]); + if (fn(pair[0]->buf, value, data) < 0) { strbuf_list_free(pair); return -1; } @@ -191,32 +235,41 @@ int git_config_parse_parameter(const char *text, 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) @@ -227,7 +280,8 @@ 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'; } } @@ -235,6 +289,7 @@ static int get_next_char(void) cf->linenr++; if (c == EOF) { cf->eof = 1; + cf->linenr++; c = '\n'; } return c; @@ -310,6 +365,7 @@ static int get_value(config_fn_t fn, void *data, struct strbuf *name) { int c; char *value; + int ret; /* Get the full name */ for (;;) { @@ -332,7 +388,15 @@ static int get_value(config_fn_t fn, void *data, struct strbuf *name) 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); + cf->linenr++; + return ret; } static int get_extended_base_var(struct strbuf *name, int c) @@ -392,10 +456,11 @@ 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 */ - 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(); @@ -403,7 +468,7 @@ static int git_parse_source(config_fn_t fn, void *data) /* 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 { @@ -447,10 +512,40 @@ 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 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) @@ -488,9 +583,9 @@ static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) 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; } @@ -556,18 +651,38 @@ int git_parse_ulong(const char *value, unsigned long *ret) 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) @@ -594,7 +709,7 @@ unsigned long git_config_ulong(const char *name, const char *value) return ret; } -static int git_config_maybe_bool_text(const char *name, const char *value) +int git_parse_maybe_bool(const char *value) { if (!value) return 1; @@ -613,7 +728,7 @@ static int git_config_maybe_bool_text(const char *name, const char *value) int git_config_maybe_bool(const char *name, const char *value) { - int v = git_config_maybe_bool_text(name, value); + int v = git_parse_maybe_bool(value); if (0 <= v) return v; if (git_parse_int(value, &v)) @@ -623,7 +738,7 @@ int git_config_maybe_bool(const char *name, const char *value) 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(value); if (0 <= v) { *is_bool = 1; return v; @@ -652,7 +767,7 @@ int git_config_pathname(const char **dest, const char *var, const char *value) return config_error_nonbool(var); *dest = expand_user_path(value); if (!*dest) - die("Failed to expand user dir in: '%s'", value); + die(_("failed to expand user dir in: '%s'"), value); return 0; } @@ -667,20 +782,7 @@ static int git_default_core_config(const char *var, const char *value) trust_ctime = git_config_bool(var, value); return 0; } - if (!strcmp(var, "core.statinfo") || - !strcmp(var, "core.checkstat")) { - /* - * NEEDSWORK: statinfo was a typo in v1.8.2 that has - * never been advertised. we will remove it at Git - * 2.0 boundary. - */ - if (!strcmp(var, "core.statinfo")) { - static int warned; - if (!warned++) { - warning("'core.statinfo' will be removed in Git 2.0; " - "use 'core.checkstat' instead."); - } - } + if (!strcmp(var, "core.checkstat")) { if (!strcasecmp(value, "default")) check_stat = 1; else if (!strcasecmp(value, "minimal")) @@ -705,6 +807,9 @@ 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; @@ -721,7 +826,12 @@ 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; } @@ -731,19 +841,28 @@ 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) 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; @@ -754,11 +873,13 @@ static int git_default_core_config(const char *var, const char *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); 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; } @@ -791,8 +912,6 @@ static int git_default_core_config(const char *var, const char *value) 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; } @@ -818,8 +937,6 @@ static int git_default_core_config(const char *var, const char *value) 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; } @@ -828,18 +945,20 @@ 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); if (!strcmp(var, "core.commentchar")) { - const char *comment; - int ret = git_config_string(&comment, var, value); - if (!ret) - comment_line_char = comment[0]; - return ret; + if (!value) + return config_error_nonbool(var); + else if (!strcasecmp(value, "auto")) + auto_comment_line_char = 1; + else if (value[0] && !value[1]) { + comment_line_char = value[0]; + auto_comment_line_char = 0; + } else + return error("core.commentChar should only be one character"); + return 0; } if (!strcmp(var, "core.askpass")) @@ -871,7 +990,7 @@ static int git_default_core_config(const char *var, const char *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; } @@ -885,6 +1004,24 @@ static int git_default_core_config(const char *var, const char *value) return 0; } + if (!strcmp(var, "core.protecthfs")) { + protect_hfs = git_config_bool(var, value); + return 0; + } + + if (!strcmp(var, "core.protectntfs")) { + protect_ntfs = git_config_bool(var, value); + 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; } @@ -923,7 +1060,7 @@ static int git_default_branch_config(const char *var, const char *value) 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; } @@ -949,7 +1086,7 @@ static int git_default_push_config(const char *var, const char *value) 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."); } @@ -963,7 +1100,7 @@ static int git_default_push_config(const char *var, const char *value) static int git_default_mailmap_config(const char *var, const char *value) { if (!strcmp(var, "mailmap.file")) - return git_config_string(&git_mailmap_file, var, value); + return git_config_pathname(&git_mailmap_file, var, value); if (!strcmp(var, "mailmap.blob")) return git_config_string(&git_mailmap_blob, var, value); @@ -1003,6 +1140,18 @@ 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; } @@ -1034,38 +1183,56 @@ static int do_config_from(struct config_source *top, config_fn_t fn, void *data) return ret; } -int git_config_from_file(config_fn_t fn, const char *filename, void *data) +static int do_config_from_file(config_fn_t fn, + const enum config_origin_type origin_type, + const char *name, const char *path, FILE *f, + void *data) { - int ret; - FILE *f = fopen(filename, "r"); + struct config_source top; - ret = -1; - if (f) { - struct config_source top; + top.u.file = f; + top.origin_type = origin_type; + top.name = name; + top.path = path; + top.die_on_error = 1; + top.do_fgetc = config_file_fgetc; + top.do_ungetc = config_file_ungetc; + top.do_ftell = config_file_ftell; - top.u.file = f; - top.name = filename; - top.die_on_error = 1; - top.do_fgetc = config_file_fgetc; - top.do_ungetc = config_file_ungetc; - top.do_ftell = config_file_ftell; + return do_config_from(&top, fn, data); +} - ret = do_config_from(&top, fn, data); +static int git_config_from_stdin(config_fn_t fn, void *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"); + if (f) { + 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; top.do_fgetc = config_buf_fgetc; top.do_ungetc = config_buf_ungetc; @@ -1074,10 +1241,10 @@ int git_config_from_buf(config_fn_t fn, const char *name, const char *buf, 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; @@ -1092,7 +1259,7 @@ 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_buf(fn, name, buf, size, data); + ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data); free(buf); return ret; @@ -1117,69 +1284,71 @@ 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(config_fn_t fn, void *data) { - int ret = 0, found = 0; - char *xdg_config = NULL; - char *user_config = NULL; - - home_config_paths(&user_config, &xdg_config, "config"); + int ret = 0; + char *xdg_config = xdg_config_home("config"); + char *user_config = expand_user_path("~/.gitconfig"); + 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 */ - 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, - const char *filename, - const char *blob_ref, + struct git_config_source *config_source, int respect_includes) { - char *repo_config = NULL; - int ret; struct config_include_data inc = CONFIG_INCLUDE_INIT; if (respect_includes) { @@ -1193,21 +1362,405 @@ int git_config_with_options(config_fn_t fn, void *data, * If we have a specific filename, use it. Otherwise, follow the * regular lookup sequence. */ - if (filename) - return git_config_from_file(fn, filename, data); - else if (blob_ref) - return git_config_from_blob_ref(fn, blob_ref, data); - - repo_config = git_pathdup("config"); - ret = git_config_early(fn, data, repo_config); - if (repo_config) - free(repo_config); + if (config_source && config_source->use_stdin) + return git_config_from_stdin(fn, data); + else if (config_source && config_source->file) + return git_config_from_file(fn, config_source->file, data); + else if (config_source && config_source->blob) + return git_config_from_blob_ref(fn, config_source->blob, data); + + return do_git_config_sequence(fn, data); +} + +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 + * 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 configset_iter(struct config_set *cs, config_fn_t fn, void *data) +{ + int i, value_index; + struct string_list *values; + struct config_set_element *entry; + struct configset_list *list = &cs->list; + + for (i = 0; i < list->nr; i++) { + entry = list->items[i].e; + value_index = list->items[i].value_index; + values = &entry->value_list; + + 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; + } +} + +static void git_config_check_init(void); + +void git_config(config_fn_t fn, void *data) +{ + git_config_check_init(); + configset_iter(&the_config_set, fn, data); +} + +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 struct config_set_element *e1, + const struct config_set_element *e2, const void *unused) +{ + return strcmp(e1->key, e2->key); +} + +void git_configset_init(struct config_set *cs) +{ + hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 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_config_maybe_bool(key, 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; +} + +static void git_config_check_init(void) +{ + if (the_config_set.hash_initialized) + return; + git_configset_init(&the_config_set); + git_config_raw(config_set_callback, &the_config_set); +} + +void git_config_clear(void) +{ + if (!the_config_set.hash_initialized) + return; + git_configset_clear(&the_config_set); +} + +int git_config_get_value(const char *key, const char **value) +{ + git_config_check_init(); + return git_configset_get_value(&the_config_set, key, value); +} + +const struct string_list *git_config_get_value_multi(const char *key) +{ + git_config_check_init(); + return git_configset_get_value_multi(&the_config_set, key); +} + +int git_config_get_string_const(const char *key, const char **dest) +{ + int ret; + git_config_check_init(); + ret = git_configset_get_string_const(&the_config_set, key, dest); + if (ret < 0) + git_die_config(key, NULL); + return ret; +} + +int git_config_get_string(const char *key, char **dest) +{ + git_config_check_init(); + return git_config_get_string_const(key, (const char **)dest); +} + +int git_config_get_int(const char *key, int *dest) +{ + git_config_check_init(); + return git_configset_get_int(&the_config_set, key, dest); +} + +int git_config_get_ulong(const char *key, unsigned long *dest) +{ + git_config_check_init(); + return git_configset_get_ulong(&the_config_set, key, dest); +} + +int git_config_get_bool(const char *key, int *dest) +{ + git_config_check_init(); + return git_configset_get_bool(&the_config_set, key, dest); +} + +int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) +{ + git_config_check_init(); + return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); +} + +int git_config_get_maybe_bool(const char *key, int *dest) +{ + git_config_check_init(); + return git_configset_get_maybe_bool(&the_config_set, key, dest); +} + +int git_config_get_pathname(const char *key, const char **dest) +{ + int ret; + git_config_check_init(); + ret = git_configset_get_pathname(&the_config_set, key, dest); + if (ret < 0) + git_die_config(key, NULL); return ret; } -int git_config(config_fn_t fn, void *data) +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 */ +} + +NORETURN +void git_die_config_linenr(const char *key, const char *filename, int linenr) { - return git_config_with_options(fn, data, NULL, NULL, 1); + 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); } /* @@ -1228,10 +1781,15 @@ static struct { static int matches(const char *key, const char *value) { - return !strcmp(key, store.key) && - (store.value_regex == NULL || - (store.do_not_match ^ - !regexec(store.value_regex, value, 0, NULL, 0))); + 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) @@ -1243,7 +1801,7 @@ static int store_aux(const char *key, const char *value, void *cb) case KEY_SEEN: if (matches(key, value)) { if (store.seen == 1 && store.multi_replace == 0) { - warning("%s has multiple values", key); + warning(_("%s has multiple values"), key); } ALLOC_GROW(store.offset, store.seen + 1, @@ -1409,15 +1967,26 @@ contline: 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_gently(config_filename, key, value, NULL, 0); +} + +void git_config_set_in_file(const char *config_filename, + const char *key, const char *value) { - return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); + git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); } -int git_config_set(const char *key, const char *value) +int git_config_set_gently(const char *key, const char *value) { - return git_config_set_multivar(key, value, NULL, 0); + return git_config_set_multivar_gently(key, value, NULL, 0); +} + +void git_config_set(const char *key, const char *value) +{ + git_config_set_multivar(key, value, NULL, 0); } /* @@ -1432,7 +2001,7 @@ int git_config_set(const char *key, const char *value) * 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_) +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, '.'); @@ -1443,12 +2012,14 @@ int git_config_parse_key(const char *key, char **store_key, int *baselen_) */ if (last_dot == NULL || last_dot == key) { - error("key does not contain a section: %s", key); + if (!quiet) + 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); + if (!quiet) + error("key does not contain variable name: %s", key); return -CONFIG_NO_SECTION_OR_NAME; } @@ -1459,7 +2030,8 @@ int git_config_parse_key(const char *key, char **store_key, int *baselen_) /* * Validate the key and while at it, lower case it for matching. */ - *store_key = xmalloc(strlen(key) + 1); + if (store_key) + *store_key = xmallocz(strlen(key)); dot = 0; for (i = 0; key[i]; i++) { @@ -1470,29 +2042,45 @@ int git_config_parse_key(const char *key, char **store_key, int *baselen_) if (!dot || i > baselen) { if (!iskeychar(c) || (i == baselen + 1 && !isalpha(c))) { - error("invalid key: %s", key); + if (!quiet) + error("invalid key: %s", key); goto out_free_ret_1; } c = tolower(c); } else if (c == '\n') { - error("invalid key (newline): %s", key); + if (!quiet) + error("invalid key (newline): %s", key); goto out_free_ret_1; } - (*store_key)[i] = c; + if (store_key) + (*store_key)[i] = c; } - (*store_key)[i] = 0; return 0; out_free_ret_1: - free(*store_key); - *store_key = NULL; + 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 + * (only add a new one) * if multi_replace==0, nothing, or only one matching key/value is replaced, * else all matching key/values (regardless how many) are removed, * before the new pair is written. @@ -1513,14 +2101,17 @@ out_free_ret_1: * - 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; 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); @@ -1536,10 +2127,10 @@ int git_config_set_multivar_in_file(const char *config_filename, * The lock serves a purpose in addition to locking: the new * contents of .git/config will be written into it. */ - lock = xcalloc(sizeof(struct lock_file), 1); + 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; @@ -1553,8 +2144,7 @@ int git_config_set_multivar_in_file(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; } @@ -1570,12 +2160,13 @@ int git_config_set_multivar_in_file(const char *config_filename, 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) store.value_regex = NULL; + else if (value_regex == CONFIG_REGEX_NONE) + store.value_regex = CONFIG_REGEX_NONE; else { if (value_regex[0] == '!') { store.do_not_match = 1; @@ -1607,7 +2198,8 @@ int git_config_set_multivar_in_file(const char *config_filename, if (git_config_from_file(store_aux, config_filename, NULL)) { error("invalid config file %s", config_filename); free(store.key); - if (store.value_regex != NULL) { + if (store.value_regex != NULL && + store.value_regex != CONFIG_REGEX_NONE) { regfree(store.value_regex); free(store.value_regex); } @@ -1616,7 +2208,8 @@ int git_config_set_multivar_in_file(const char *config_filename, } free(store.key); - if (store.value_regex != NULL) { + if (store.value_regex != NULL && + store.value_regex != CONFIG_REGEX_NONE) { regfree(store.value_regex); free(store.value_regex); } @@ -1628,11 +2221,31 @@ int git_config_set_multivar_in_file(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(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(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; + } if (store.seen == 0) store.seen = 1; @@ -1681,11 +2294,13 @@ int git_config_set_multivar_in_file(const char *config_filename, 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); + error_errno("could not write config file %s", config_filename); ret = CONFIG_NO_WRITE; + lock = NULL; goto out_free; } @@ -1698,23 +2313,50 @@ int git_config_set_multivar_in_file(const char *config_filename, lock = NULL; ret = 0; + /* Invalidate the config cache */ + git_config_clear(); + out_free: if (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_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) { - return git_config_set_multivar_in_file(NULL, key, value, value_regex, - 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) @@ -1782,16 +2424,17 @@ int git_config_rename_section_in_file(const char *config_filename, int out_fd; char buf[1024]; FILE *config_file; + struct stat st; 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(sizeof(struct lock_file), 1); + lock = xcalloc(1, sizeof(struct lock_file)); 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); @@ -1800,7 +2443,18 @@ 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; + } + + 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_errno("chmod on %s failed", + get_lock_file_path(lock)); + goto out; } while (fgets(buf, sizeof(buf), config_file)) { @@ -1820,7 +2474,7 @@ int git_config_rename_section_in_file(const char *config_filename, } store.baselen = strlen(new_name); if (!store_write_section(out_fd, new_name)) { - ret = write_error(lock->filename); + ret = write_error(get_lock_file_path(lock)); goto out; } /* @@ -1846,15 +2500,18 @@ int git_config_rename_section_in_file(const char *config_filename, continue; length = strlen(output); if (write_in_full(out_fd, output, length) != length) { - ret = write_error(lock->filename); + ret = write_error(get_lock_file_path(lock)); goto out; } } fclose(config_file); -unlock_and_out: +commit_and_out: if (commit_lock_file(lock) < 0) - ret = error("could not commit config file %s", config_filename); + ret = error_errno("could not write config file %s", + config_filename); out: + rollback_lock_file(lock); +out_no_rollback: free(filename_buf); return ret; } @@ -1871,7 +2528,7 @@ int git_config_rename_section(const char *old_name, const char *new_name) #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, @@ -1906,3 +2563,49 @@ int parse_config_key(const char *var, 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; +} |