diff options
Diffstat (limited to 'config.c')
| -rw-r--r-- | config.c | 315 |
1 files changed, 258 insertions, 57 deletions
@@ -7,6 +7,8 @@ */ #include "cache.h" #include "exec_cmd.h" +#include "strbuf.h" +#include "quote.h" #define MAXNAME (256) @@ -18,6 +20,91 @@ static int zlib_compression_seen; const char *config_exclusive_filename = NULL; +struct config_item { + struct config_item *next; + char *name; + char *value; +}; +static struct config_item *config_parameters; +static struct config_item **config_parameters_tail = &config_parameters; + +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) { + strbuf_addstr(&env, old); + strbuf_addch(&env, ' '); + } + sq_quote_buf(&env, text); + setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); + strbuf_release(&env); +} + +int git_config_parse_parameter(const char *text) +{ + struct config_item *ct; + struct strbuf tmp = STRBUF_INIT; + struct strbuf **pair; + strbuf_addstr(&tmp, text); + pair = strbuf_split(&tmp, '='); + if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') + strbuf_setlen(pair[0], pair[0]->len - 1); + strbuf_trim(pair[0]); + if (!pair[0]->len) { + strbuf_list_free(pair); + return -1; + } + ct = xcalloc(1, sizeof(struct config_item)); + ct->name = strbuf_detach(pair[0], NULL); + if (pair[1]) { + strbuf_trim(pair[1]); + ct->value = strbuf_detach(pair[1], NULL); + } + strbuf_list_free(pair); + lowercase(ct->name); + *config_parameters_tail = ct; + config_parameters_tail = &ct->next; + return 0; +} + +int git_config_parse_environment(void) { + const char *env = getenv(CONFIG_DATA_ENVIRONMENT); + char *envw; + const char **argv = NULL; + int nr = 0, alloc = 0; + int i; + + if (!env) + return 0; + /* 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); + } + + for (i = 0; i < nr; i++) { + if (git_config_parse_parameter(argv[i]) < 0) { + error("bogus config parameter: %s", argv[i]); + free(argv); + free(envw); + return -1; + } + } + + free(argv); + free(envw); + return 0; +} + static int get_next_char(void) { int c; @@ -322,17 +409,40 @@ unsigned long git_config_ulong(const char *name, const char *value) return ret; } -int git_config_bool_or_int(const char *name, const char *value, int *is_bool) +static int git_config_maybe_bool_text(const char *name, const char *value) { - *is_bool = 1; if (!value) return 1; if (!*value) return 0; - if (!strcasecmp(value, "true") || !strcasecmp(value, "yes") || !strcasecmp(value, "on")) + if (!strcasecmp(value, "true") + || !strcasecmp(value, "yes") + || !strcasecmp(value, "on")) return 1; - if (!strcasecmp(value, "false") || !strcasecmp(value, "no") || !strcasecmp(value, "off")) + if (!strcasecmp(value, "false") + || !strcasecmp(value, "no") + || !strcasecmp(value, "off")) return 0; + return -1; +} + +int git_config_maybe_bool(const char *name, const char *value) +{ + long v = git_config_maybe_bool_text(name, value); + if (0 <= v) + return v; + if (git_parse_long(value, &v)) + return !!v; + return -1; +} + +int git_config_bool_or_int(const char *name, const char *value, int *is_bool) +{ + int v = git_config_maybe_bool_text(name, value); + if (0 <= v) { + *is_bool = 1; + return v; + } *is_bool = 0; return git_config_int(name, value); } @@ -413,6 +523,14 @@ static int git_default_core_config(const char *var, const char *value) 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; + return 0; + } + if (!strcmp(var, "core.loosecompression")) { int level = git_config_int(var, value); if (level == -1) @@ -449,6 +567,12 @@ static int git_default_core_config(const char *var, const char *value) return 0; } + if (!strcmp(var, "core.bigfilethreshold")) { + long n = git_config_int(var, value); + big_file_threshold = 0 < n ? n : 0; + return 0; + } + if (!strcmp(var, "core.packedgitlimit")) { packed_git_limit = git_config_int(var, value); return 0; @@ -461,7 +585,9 @@ static int git_default_core_config(const char *var, const char *value) if (!strcmp(var, "core.autocrlf")) { if (value && !strcasecmp(value, "input")) { - auto_crlf = -1; + if (eol == EOL_CRLF) + return error("core.autocrlf=input conflicts with core.eol=crlf"); + auto_crlf = AUTO_CRLF_INPUT; return 0; } auto_crlf = git_config_bool(var, value); @@ -477,6 +603,20 @@ static int git_default_core_config(const char *var, const char *value) return 0; } + if (!strcmp(var, "core.eol")) { + if (value && !strcasecmp(value, "lf")) + eol = EOL_LF; + else if (value && !strcasecmp(value, "crlf")) + eol = EOL_CRLF; + else if (value && !strcasecmp(value, "native")) + eol = EOL_NATIVE; + else + eol = EOL_UNSET; + if (eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT) + return error("core.autocrlf=input conflicts with core.eol=crlf"); + return 0; + } + if (!strcmp(var, "core.notesref")) { notes_ref_name = xstrdup(value); return 0; @@ -488,6 +628,9 @@ static int git_default_core_config(const char *var, const char *value) if (!strcmp(var, "core.editor")) return git_config_string(&editor_program, var, value); + if (!strcmp(var, "core.askpass")) + return git_config_string(&askpass_program, var, value); + if (!strcmp(var, "core.excludesfile")) return git_config_pathname(&excludes_file, var, value); @@ -600,8 +743,10 @@ static int git_default_push_config(const char *var, const char *value) push_default = PUSH_DEFAULT_NOTHING; else if (!strcmp(value, "matching")) push_default = PUSH_DEFAULT_MATCHING; - else if (!strcmp(value, "tracking")) - push_default = PUSH_DEFAULT_TRACKING; + else if (!strcmp(value, "upstream")) + push_default = PUSH_DEFAULT_UPSTREAM; + else if (!strcmp(value, "tracking")) /* deprecated */ + push_default = PUSH_DEFAULT_UPSTREAM; else if (!strcmp(value, "current")) push_default = PUSH_DEFAULT_CURRENT; else { @@ -683,7 +828,7 @@ const char *git_etc_gitconfig(void) return system_wide; } -static int git_env_bool(const char *k, int def) +int git_env_bool(const char *k, int def) { const char *v = getenv(k); return v ? git_config_bool(k, v) : def; @@ -694,15 +839,25 @@ int git_config_system(void) return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); } -int git_config_global(void) +int git_config_from_parameters(config_fn_t fn, void *data) { - return !git_env_bool("GIT_CONFIG_NOGLOBAL", 0); + static int loaded_environment; + const struct config_item *ct; + + if (!loaded_environment) { + if (git_config_parse_environment() < 0) + return -1; + loaded_environment = 1; + } + for (ct = config_parameters; ct; ct = ct->next) + if (fn(ct->name, ct->value, data) < 0) + return -1; + return 0; } -int git_config(config_fn_t fn, void *data) +int git_config_early(config_fn_t fn, void *data, const char *repo_config) { int ret = 0, found = 0; - char *repo_config = NULL; const char *home = NULL; /* Setting $GIT_CONFIG makes git read _only_ the given config file. */ @@ -715,7 +870,7 @@ int git_config(config_fn_t fn, void *data) } home = getenv("HOME"); - if (git_config_global() && home) { + if (home) { char *user_config = xstrdup(mkpath("%s/.gitconfig", home)); if (!access(user_config, R_OK)) { ret += git_config_from_file(fn, user_config, data); @@ -724,14 +879,27 @@ int git_config(config_fn_t fn, void *data) free(user_config); } - repo_config = git_pathdup("config"); - if (!access(repo_config, R_OK)) { + if (repo_config && !access(repo_config, R_OK)) { ret += git_config_from_file(fn, repo_config, data); found += 1; } - free(repo_config); - if (found == 0) - return -1; + + ret += git_config_from_parameters(fn, data); + if (config_parameters) + found += 1; + + return ret == 0 ? found : ret; +} + +int git_config(config_fn_t fn, void *data) +{ + char *repo_config = NULL; + int ret; + + repo_config = git_pathdup("config"); + ret = git_config_early(fn, data, repo_config); + if (repo_config) + free(repo_config); return ret; } @@ -934,6 +1102,75 @@ int 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 + */ +int git_config_parse_key(const char *key, char **store_key, int *baselen_) +{ + 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 -2; + } + + if (!last_dot[1]) { + error("key does not contain variable name: %s", key); + return -2; + } + + 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; + +out_free_ret_1: + free(*store_key); + return -1; +} + +/* * If value==NULL, unset in (remove from) config, * if value_regex!=NULL, disregard key/value pairs where value does not match. * if multi_replace==0, nothing, or only one matching key/value is replaced, @@ -959,59 +1196,23 @@ int git_config_set(const char *key, const char *value) int git_config_set_multivar(const char *key, const char *value, const char *value_regex, int multi_replace) { - int i, dot; int fd = -1, in_fd; int ret; char *config_filename; struct lock_file *lock = NULL; - const char *last_dot = strrchr(key, '.'); if (config_exclusive_filename) config_filename = xstrdup(config_exclusive_filename); else config_filename = git_pathdup("config"); - /* - * 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) { - error("key does not contain a section: %s", key); - ret = 2; + /* parse-key returns negative; flip the sign to feed exit(3) */ + ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); + if (ret) goto out_free; - } - store.baselen = last_dot - key; store.multi_replace = multi_replace; - /* - * 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 > store.baselen) { - if (!iskeychar(c) || (i == store.baselen+1 && !isalpha(c))) { - error("invalid key: %s", key); - free(store.key); - ret = 1; - goto out_free; - } - c = tolower(c); - } else if (c == '\n') { - error("invalid key (newline): %s", key); - free(store.key); - ret = 1; - goto out_free; - } - store.key[i] = c; - } - store.key[i] = 0; /* * The lock serves a purpose in addition to locking: the new |