diff options
Diffstat (limited to 'config.c')
| -rw-r--r-- | config.c | 639 |
1 files changed, 457 insertions, 182 deletions
@@ -6,14 +6,18 @@ * */ #include "cache.h" +#include "exec_cmd.h" #define MAXNAME (256) static FILE *config_file; static const char *config_file_name; static int config_linenr; +static int config_file_eof; static int zlib_compression_seen; +const char *config_exclusive_filename = NULL; + static int get_next_char(void) { int c; @@ -33,7 +37,7 @@ static int get_next_char(void) if (c == '\n') config_linenr++; if (c == EOF) { - config_file = NULL; + config_file_eof = 1; c = '\n'; } } @@ -47,7 +51,7 @@ static char *parse_value(void) for (;;) { int c = get_next_char(); - if (len >= sizeof(value)) + if (len >= sizeof(value) - 1) return NULL; if (c == '\n') { if (quote) @@ -58,7 +62,8 @@ static char *parse_value(void) if (comment) continue; if (isspace(c) && !quote) { - space = 1; + if (len) + space++; continue; } if (!quote) { @@ -67,11 +72,8 @@ static char *parse_value(void) continue; } } - if (space) { - if (len) - value[len++] = ' '; - space = 0; - } + for (; space; space--) + value[len++] = ' '; if (c == '\\') { c = get_next_char(); switch (c) { @@ -109,7 +111,7 @@ static inline int iskeychar(int c) return isalnum(c) || c == '-'; } -static int get_value(config_fn_t fn, char *name, unsigned int len) +static int get_value(config_fn_t fn, void *data, char *name, unsigned int len) { int c; char *value; @@ -117,7 +119,7 @@ static int get_value(config_fn_t fn, char *name, unsigned int len) /* Get the full name */ for (;;) { c = get_next_char(); - if (c == EOF) + if (config_file_eof) break; if (!iskeychar(c)) break; @@ -137,7 +139,7 @@ static int get_value(config_fn_t fn, char *name, unsigned int len) if (!value) return -1; } - return fn(name, value); + return fn(name, value, data); } static int get_extended_base_var(char *name, int baselen, int c) @@ -181,7 +183,7 @@ static int get_base_var(char *name) for (;;) { int c = get_next_char(); - if (c == EOF) + if (config_file_eof) return -1; if (c == ']') return baselen; @@ -195,17 +197,35 @@ static int get_base_var(char *name) } } -static int git_parse_file(config_fn_t fn) +static int git_parse_file(config_fn_t fn, void *data) { int comment = 0; int baselen = 0; static char var[MAXNAME]; + /* U+FEFF Byte Order Mark in UTF8 */ + static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf"; + const unsigned char *bomptr = utf8_bom; + for (;;) { int c = get_next_char(); + if (bomptr && *bomptr) { + /* 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) { + bomptr++; + continue; + } else { + /* Do not tolerate partial BOM. */ + if (bomptr != utf8_bom) + break; + /* No BOM at file beginning. Cool. */ + bomptr = NULL; + } + } if (c == '\n') { - /* EOF? */ - if (!config_file) + if (config_file_eof) return 0; comment = 0; continue; @@ -227,31 +247,40 @@ static int git_parse_file(config_fn_t fn) if (!isalpha(c)) break; var[baselen] = tolower(c); - if (get_value(fn, var, baselen+1) < 0) + if (get_value(fn, data, var, baselen+1) < 0) break; } die("bad config file line %d in %s", config_linenr, config_file_name); } -static unsigned long get_unit_factor(const char *end) +static int parse_unit_factor(const char *end, unsigned long *val) { if (!*end) return 1; - else if (!strcasecmp(end, "k")) - return 1024; - else if (!strcasecmp(end, "m")) - return 1024 * 1024; - else if (!strcasecmp(end, "g")) - return 1024 * 1024 * 1024; - die("unknown unit: '%s'", end); + else if (!strcasecmp(end, "k")) { + *val *= 1024; + return 1; + } + else if (!strcasecmp(end, "m")) { + *val *= 1024 * 1024; + return 1; + } + else if (!strcasecmp(end, "g")) { + *val *= 1024 * 1024 * 1024; + return 1; + } + return 0; } -int git_parse_long(const char *value, long *ret) +static int git_parse_long(const char *value, long *ret) { if (value && *value) { char *end; long val = strtol(value, &end, 0); - *ret = val * get_unit_factor(end); + unsigned long factor = 1; + if (!parse_unit_factor(end, &factor)) + return 0; + *ret = val * factor; return 1; } return 0; @@ -262,17 +291,26 @@ int git_parse_ulong(const char *value, unsigned long *ret) if (value && *value) { char *end; unsigned long val = strtoul(value, &end, 0); - *ret = val * get_unit_factor(end); + if (!parse_unit_factor(end, &val)) + return 0; + *ret = val; return 1; } return 0; } +static void die_bad_config(const char *name) +{ + if (config_file_name) + die("bad config value for '%s' in %s", name, config_file_name); + die("bad config value for '%s'", name); +} + int git_config_int(const char *name, const char *value) { - long ret; + long ret = 0; if (!git_parse_long(value, &ret)) - die("bad config value for '%s' in %s", name, config_file_name); + die_bad_config(name); return ret; } @@ -280,30 +318,60 @@ unsigned long git_config_ulong(const char *name, const char *value) { unsigned long ret; if (!git_parse_ulong(value, &ret)) - die("bad config value for '%s' in %s", name, config_file_name); + die_bad_config(name); return ret; } -int git_config_bool(const char *name, const char *value) +int git_config_bool_or_int(const char *name, const char *value, int *is_bool) { + *is_bool = 1; if (!value) return 1; if (!*value) return 0; - if (!strcasecmp(value, "true") || !strcasecmp(value, "yes")) + if (!strcasecmp(value, "true") || !strcasecmp(value, "yes") || !strcasecmp(value, "on")) return 1; - if (!strcasecmp(value, "false") || !strcasecmp(value, "no")) + if (!strcasecmp(value, "false") || !strcasecmp(value, "no") || !strcasecmp(value, "off")) return 0; - return git_config_int(name, value) != 0; + *is_bool = 0; + return git_config_int(name, value); +} + +int git_config_bool(const char *name, const char *value) +{ + int discard; + return !!git_config_bool_or_int(name, value, &discard); +} + +int git_config_string(const char **dest, const char *var, const char *value) +{ + if (!value) + return config_error_nonbool(var); + *dest = xstrdup(value); + return 0; } -int git_default_config(const char *var, const char *value) +int git_config_pathname(const char **dest, const char *var, const char *value) +{ + if (!value) + return config_error_nonbool(var); + *dest = expand_user_path(value); + if (!*dest) + die("Failed to expand user dir in: '%s'", value); + return 0; +} + +static int git_default_core_config(const char *var, const char *value) { /* This needs a better name */ if (!strcmp(var, "core.filemode")) { trust_executable_bit = git_config_bool(var, value); return 0; } + if (!strcmp(var, "core.trustctime")) { + trust_ctime = git_config_bool(var, value); + return 0; + } if (!strcmp(var, "core.quotepath")) { quote_path_fully = git_config_bool(var, value); @@ -315,6 +383,11 @@ int git_default_config(const char *var, const char *value) return 0; } + if (!strcmp(var, "core.ignorecase")) { + ignore_case = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "core.bare")) { is_bare_repository_cfg = git_config_bool(var, value); return 0; @@ -395,34 +468,185 @@ int git_default_config(const char *var, const char *value) return 0; } + if (!strcmp(var, "core.safecrlf")) { + if (value && !strcasecmp(value, "warn")) { + safe_crlf = SAFE_CRLF_WARN; + return 0; + } + safe_crlf = git_config_bool(var, value); + return 0; + } + + if (!strcmp(var, "core.notesref")) { + notes_ref_name = xstrdup(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.excludesfile")) + return git_config_pathname(&excludes_file, var, value); + + if (!strcmp(var, "core.whitespace")) { + if (!value) + return config_error_nonbool(var); + whitespace_rule_cfg = parse_whitespace_rule(value); + return 0; + } + + if (!strcmp(var, "core.fsyncobjectfiles")) { + fsync_object_files = git_config_bool(var, value); + return 0; + } + + if (!strcmp(var, "core.preloadindex")) { + core_preload_index = git_config_bool(var, value); + return 0; + } + + if (!strcmp(var, "core.createobject")) { + if (!strcmp(value, "rename")) + object_creation_mode = OBJECT_CREATION_USES_RENAMES; + else if (!strcmp(value, "link")) + object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; + else + die("Invalid mode for object creation: %s", value); + return 0; + } + + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} + +static int git_default_user_config(const char *var, const char *value) +{ if (!strcmp(var, "user.name")) { + if (!value) + return config_error_nonbool(var); strlcpy(git_default_name, value, sizeof(git_default_name)); + if (git_default_email[0]) + user_ident_explicitly_given = 1; return 0; } if (!strcmp(var, "user.email")) { + if (!value) + return config_error_nonbool(var); strlcpy(git_default_email, value, sizeof(git_default_email)); + if (git_default_name[0]) + user_ident_explicitly_given = 1; return 0; } - if (!strcmp(var, "i18n.commitencoding")) { - git_commit_encoding = xstrdup(value); + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} + +static int git_default_i18n_config(const char *var, const char *value) +{ + if (!strcmp(var, "i18n.commitencoding")) + return git_config_string(&git_commit_encoding, var, value); + + if (!strcmp(var, "i18n.logoutputencoding")) + return git_config_string(&git_log_output_encoding, var, value); + + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} + +static int git_default_branch_config(const char *var, const char *value) +{ + if (!strcmp(var, "branch.autosetupmerge")) { + if (value && !strcasecmp(value, "always")) { + git_branch_track = BRANCH_TRACK_ALWAYS; + return 0; + } + git_branch_track = git_config_bool(var, value); return 0; } - - if (!strcmp(var, "i18n.logoutputencoding")) { - git_log_output_encoding = xstrdup(value); + if (!strcmp(var, "branch.autosetuprebase")) { + if (!value) + return config_error_nonbool(var); + else if (!strcmp(value, "never")) + autorebase = AUTOREBASE_NEVER; + else if (!strcmp(value, "local")) + autorebase = AUTOREBASE_LOCAL; + else if (!strcmp(value, "remote")) + autorebase = AUTOREBASE_REMOTE; + else if (!strcmp(value, "always")) + autorebase = AUTOREBASE_ALWAYS; + else + return error("Malformed value for %s", var); return 0; } + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} - if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { - pager_use_color = git_config_bool(var,value); +static int git_default_push_config(const char *var, const char *value) +{ + if (!strcmp(var, "push.default")) { + if (!value) + return config_error_nonbool(var); + else if (!strcmp(value, "nothing")) + 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, "current")) + push_default = PUSH_DEFAULT_CURRENT; + else { + error("Malformed value for %s: %s", var, value); + return error("Must be one of nothing, matching, " + "tracking or current."); + } return 0; } - if (!strcmp(var, "core.pager")) { - pager_program = xstrdup(value); + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} + +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); + + /* Add other config variables here and to Documentation/config.txt. */ + return 0; +} + +int git_default_config(const char *var, const char *value, void *dummy) +{ + if (!prefixcmp(var, "core.")) + return git_default_core_config(var, value); + + if (!prefixcmp(var, "user.")) + return git_default_user_config(var, value); + + if (!prefixcmp(var, "i18n.")) + return git_default_i18n_config(var, value); + + if (!prefixcmp(var, "branch.")) + return git_default_branch_config(var, value); + + if (!prefixcmp(var, "push.")) + return git_default_push_config(var, value); + + if (!prefixcmp(var, "mailmap.")) + return git_default_mailmap_config(var, value); + + if (!prefixcmp(var, "advice.")) + return git_default_advice_config(var, value); + + if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { + pager_use_color = git_config_bool(var,value); return 0; } @@ -430,7 +654,7 @@ int git_default_config(const char *var, const char *value) return 0; } -int git_config_from_file(config_fn_t fn, const char *filename) +int git_config_from_file(config_fn_t fn, const char *filename, void *data) { int ret; FILE *f = fopen(filename, "r"); @@ -440,42 +664,71 @@ int git_config_from_file(config_fn_t fn, const char *filename) config_file = f; config_file_name = filename; config_linenr = 1; - ret = git_parse_file(fn); + config_file_eof = 0; + ret = git_parse_file(fn, data); fclose(f); config_file_name = NULL; } return ret; } -int git_config(config_fn_t fn) +const char *git_etc_gitconfig(void) +{ + static const char *system_wide; + if (!system_wide) + system_wide = system_path(ETC_GITCONFIG); + return system_wide; +} + +static int git_env_bool(const char *k, int def) +{ + const char *v = getenv(k); + return v ? git_config_bool(k, v) : def; +} + +int git_config_system(void) +{ + return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); +} + +int git_config_global(void) +{ + return !git_env_bool("GIT_CONFIG_NOGLOBAL", 0); +} + +int git_config(config_fn_t fn, void *data) { - int ret = 0; + int ret = 0, found = 0; char *repo_config = NULL; - const char *home = NULL, *filename; - - /* $GIT_CONFIG makes git read _only_ the given config file, - * $GIT_CONFIG_LOCAL will make it process it in addition to the - * global config file, the same way it would the per-repository - * config file otherwise. */ - filename = getenv(CONFIG_ENVIRONMENT); - if (!filename) { - if (!access(ETC_GITCONFIG, R_OK)) - ret += git_config_from_file(fn, ETC_GITCONFIG); - home = getenv("HOME"); - filename = getenv(CONFIG_LOCAL_ENVIRONMENT); - if (!filename) - filename = repo_config = xstrdup(git_path("config")); + const char *home = NULL; + + /* Setting $GIT_CONFIG makes git read _only_ the given config file. */ + if (config_exclusive_filename) + return git_config_from_file(fn, config_exclusive_filename, data); + if (git_config_system() && !access(git_etc_gitconfig(), R_OK)) { + ret += git_config_from_file(fn, git_etc_gitconfig(), + data); + found += 1; } - if (home) { + home = getenv("HOME"); + if (git_config_global() && home) { char *user_config = xstrdup(mkpath("%s/.gitconfig", home)); - if (!access(user_config, R_OK)) - ret = git_config_from_file(fn, user_config); + if (!access(user_config, R_OK)) { + ret += git_config_from_file(fn, user_config, data); + found += 1; + } free(user_config); } - ret += git_config_from_file(fn, filename); + repo_config = git_pathdup("config"); + if (!access(repo_config, R_OK)) { + ret += git_config_from_file(fn, repo_config, data); + found += 1; + } free(repo_config); + if (found == 0) + return -1; return ret; } @@ -487,16 +740,16 @@ int git_config(config_fn_t fn) static struct { int baselen; - char* key; + char *key; int do_not_match; - regex_t* value_regex; + regex_t *value_regex; int multi_replace; size_t offset[MAX_MATCHES]; enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; int seen; } store; -static int matches(const char* key, const char* value) +static int matches(const char *key, const char *value) { return !strcmp(key, store.key) && (store.value_regex == NULL || @@ -504,7 +757,7 @@ static int matches(const char* key, const char* value) !regexec(store.value_regex, value, 0, NULL, 0))); } -static int store_aux(const char* key, const char* value) +static int store_aux(const char *key, const char *value, void *cb) { const char *ep; size_t section_len; @@ -513,11 +766,9 @@ static int store_aux(const char* key, const char* value) case KEY_SEEN: if (matches(key, value)) { if (store.seen == 1 && store.multi_replace == 0) { - fprintf(stderr, - "Warning: %s has multiple values\n", - key); + warning("%s has multiple values", key); } else if (store.seen >= MAX_MATCHES) { - fprintf(stderr, "Too many matches\n"); + error("too many matches for %s", key); return 1; } @@ -567,110 +818,104 @@ static int store_aux(const char* key, const char* value) return 0; } -static int write_error(void) +static int write_error(const char *filename) { - fprintf(stderr, "Failed to write new configuration file\n"); + error("failed to write new configuration file %s", filename); /* Same error code as "failed to rename". */ return 4; } -static int store_write_section(int fd, const char* key) +static int store_write_section(int fd, const char *key) { - const char *dot = strchr(key, '.'); - int len1 = store.baselen, len2 = -1; + const char *dot; + int i, success; + struct strbuf sb = STRBUF_INIT; - dot = strchr(key, '.'); + dot = memchr(key, '.', store.baselen); if (dot) { - int dotlen = dot - key; - if (dotlen < len1) { - len2 = len1 - dotlen - 1; - len1 = dotlen; + strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); + for (i = dot - key + 1; i < store.baselen; i++) { + if (key[i] == '"' || key[i] == '\\') + strbuf_addch(&sb, '\\'); + strbuf_addch(&sb, key[i]); } + strbuf_addstr(&sb, "\"]\n"); + } else { + strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); } - if (write_in_full(fd, "[", 1) != 1 || - write_in_full(fd, key, len1) != len1) - return 0; - if (len2 >= 0) { - if (write_in_full(fd, " \"", 2) != 2) - return 0; - while (--len2 >= 0) { - unsigned char c = *++dot; - if (c == '"') - if (write_in_full(fd, "\\", 1) != 1) - return 0; - if (write_in_full(fd, &c, 1) != 1) - return 0; - } - if (write_in_full(fd, "\"", 1) != 1) - return 0; - } - if (write_in_full(fd, "]\n", 2) != 2) - return 0; + success = write_in_full(fd, sb.buf, sb.len) == sb.len; + strbuf_release(&sb); - return 1; + return success; } -static int store_write_pair(int fd, const char* key, const char* value) +static int store_write_pair(int fd, const char *key, const char *value) { - int i; - int length = strlen(key+store.baselen+1); - int quote = 0; + int i, success; + int length = strlen(key + store.baselen + 1); + const char *quote = ""; + struct strbuf sb = STRBUF_INIT; - /* Check to see if the value needs to be quoted. */ + /* + * Check to see if the value needs to be surrounded with a dq pair. + * Note that problematic characters are always backslash-quoted; this + * check is about not losing leading or trailing SP and strings that + * follow beginning-of-comment characters (i.e. ';' and '#') by the + * configuration parser. + */ if (value[0] == ' ') - quote = 1; + quote = "\""; for (i = 0; value[i]; i++) if (value[i] == ';' || value[i] == '#') - quote = 1; - if (value[i-1] == ' ') - quote = 1; + quote = "\""; + if (i && value[i - 1] == ' ') + quote = "\""; + + strbuf_addf(&sb, "\t%.*s = %s", + length, key + store.baselen + 1, quote); - if (write_in_full(fd, "\t", 1) != 1 || - write_in_full(fd, key+store.baselen+1, length) != length || - write_in_full(fd, " = ", 3) != 3) - return 0; - if (quote && write_in_full(fd, "\"", 1) != 1) - return 0; for (i = 0; value[i]; i++) switch (value[i]) { case '\n': - if (write_in_full(fd, "\\n", 2) != 2) - return 0; + strbuf_addstr(&sb, "\\n"); break; case '\t': - if (write_in_full(fd, "\\t", 2) != 2) - return 0; + strbuf_addstr(&sb, "\\t"); break; case '"': case '\\': - if (write_in_full(fd, "\\", 1) != 1) - return 0; + strbuf_addch(&sb, '\\'); default: - if (write_in_full(fd, value+i, 1) != 1) - return 0; + strbuf_addch(&sb, value[i]); break; } - if (quote && write_in_full(fd, "\"", 1) != 1) - return 0; - if (write_in_full(fd, "\n", 1) != 1) - return 0; - return 1; + strbuf_addf(&sb, "%s\n", quote); + + success = write_in_full(fd, sb.buf, sb.len) == sb.len; + strbuf_release(&sb); + + return success; } -static ssize_t find_beginning_of_line(const char* contents, size_t size, - size_t offset_, int* found_bracket) +static ssize_t find_beginning_of_line(const char *contents, size_t size, + size_t offset_, int *found_bracket) { size_t equal_offset = size, bracket_offset = size; ssize_t offset; +contline: for (offset = offset_-2; offset > 0 && contents[offset] != '\n'; offset--) switch (contents[offset]) { case '=': equal_offset = offset; break; case ']': bracket_offset = offset; break; } + if (offset > 0 && contents[offset-1] == '\\') { + offset_ = offset; + goto contline; + } if (bracket_offset < equal_offset) { *found_bracket = 1; offset = bracket_offset+1; @@ -680,7 +925,7 @@ static ssize_t find_beginning_of_line(const char* contents, size_t size, return offset; } -int git_config_set(const char* key, const char* value) +int git_config_set(const char *key, const char *value) { return git_config_set_multivar(key, value, NULL, 0); } @@ -708,23 +953,20 @@ int git_config_set(const char* key, const char* value) * - the config file is removed and the lock file rename()d to it. * */ -int git_config_set_multivar(const char* key, const char* value, - const char* value_regex, int multi_replace) +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; + char *config_filename; struct lock_file *lock = NULL; - const char* last_dot = strrchr(key, '.'); + const char *last_dot = strrchr(key, '.'); - config_filename = getenv(CONFIG_ENVIRONMENT); - if (!config_filename) { - config_filename = getenv(CONFIG_LOCAL_ENVIRONMENT); - if (!config_filename) - config_filename = git_path("config"); - } - config_filename = xstrdup(config_filename); + 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 @@ -732,7 +974,7 @@ int git_config_set_multivar(const char* key, const char* value, */ if (last_dot == NULL) { - fprintf(stderr, "key does not contain a section: %s\n", key); + error("key does not contain a section: %s", key); ret = 2; goto out_free; } @@ -752,14 +994,14 @@ int git_config_set_multivar(const char* key, const char* value, /* Leave the extended basename untouched.. */ if (!dot || i > store.baselen) { if (!iskeychar(c) || (i == store.baselen+1 && !isalpha(c))) { - fprintf(stderr, "invalid key: %s\n", key); + error("invalid key: %s", key); free(store.key); ret = 1; goto out_free; } c = tolower(c); } else if (c == '\n') { - fprintf(stderr, "invalid key (newline): %s\n", key); + error("invalid key (newline): %s", key); free(store.key); ret = 1; goto out_free; @@ -775,7 +1017,7 @@ int git_config_set_multivar(const char* key, const char* value, lock = xcalloc(sizeof(struct lock_file), 1); fd = hold_lock_file_for_update(lock, config_filename, 0); if (fd < 0) { - fprintf(stderr, "could not lock config file\n"); + error("could not lock config file %s: %s", config_filename, strerror(errno)); free(store.key); ret = -1; goto out_free; @@ -800,13 +1042,13 @@ int git_config_set_multivar(const char* key, const char* value, goto out_free; } - store.key = (char*)key; + store.key = (char *)key; if (!store_write_section(fd, key) || !store_write_pair(fd, key, value)) goto write_err_out; } else { struct stat st; - char* contents; + char *contents; size_t contents_sz, copy_begin, copy_end; int i, new_line = 0; @@ -822,8 +1064,7 @@ int git_config_set_multivar(const char* key, const char* value, store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); if (regcomp(store.value_regex, value_regex, REG_EXTENDED)) { - fprintf(stderr, "Invalid pattern: %s\n", - value_regex); + error("invalid pattern: %s", value_regex); free(store.value_regex); ret = 6; goto out_free; @@ -840,8 +1081,8 @@ int git_config_set_multivar(const char* key, const char* value, * As a side effect, we make sure to transform only a valid * existing config file. */ - if (git_config_from_file(store_aux, config_filename)) { - fprintf(stderr, "invalid config file\n"); + 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) { regfree(store.value_regex); @@ -883,6 +1124,9 @@ int git_config_set_multivar(const char* key, const char* value, contents, contents_sz, store.offset[i]-2, &new_line); + if (copy_end > 0 && contents[copy_end-1] != '\n') + new_line = 1; + /* write the first part of the config */ if (copy_end > copy_begin) { if (write_in_full(fd, contents + copy_begin, @@ -890,7 +1134,7 @@ int git_config_set_multivar(const char* key, const char* value, copy_end - copy_begin) goto write_err_out; if (new_line && - write_in_full(fd, "\n", 1) != 1) + write_str_in_full(fd, "\n") != 1) goto write_err_out; } copy_begin = store.offset[i]; @@ -916,14 +1160,12 @@ int git_config_set_multivar(const char* key, const char* value, munmap(contents, contents_sz); } - if (close(fd) || commit_lock_file(lock) < 0) { - fprintf(stderr, "Cannot commit config file!\n"); + if (commit_lock_file(lock) < 0) { + error("could not commit config file %s", config_filename); ret = 4; goto out_free; } - /* fd is closed, so don't try to close it below. */ - fd = -1; /* * lock is committed, so don't try to roll it back below. * NOTE: Since lockfile.c keeps a linked list of all created @@ -934,15 +1176,13 @@ int git_config_set_multivar(const char* key, const char* value, ret = 0; out_free: - if (0 <= fd) - close(fd); if (lock) rollback_lock_file(lock); free(config_filename); return ret; write_err_out: - ret = write_error(); + ret = write_error(lock->filename); goto out_free; } @@ -950,7 +1190,9 @@ write_err_out: static int section_name_match (const char *buf, const char *name) { int i = 0, j = 0, dot = 0; - for (; buf[i] && buf[i] != ']'; i++) { + if (buf[i] != '[') + return 0; + for (i = 1; buf[i] && buf[i] != ']'; i++) { if (!dot && isspace(buf[i])) { dot = 1; if (name[j++] != '.') @@ -971,7 +1213,17 @@ static int section_name_match (const char *buf, const char *name) if (buf[i] != name[j++]) break; } - return (buf[i] == ']' && name[j] == 0); + if (buf[i] == ']' && name[j] == 0) { + /* + * We match, now just find the right length offset by + * gobbling up any whitespace after it, as well + */ + i++; + for (; buf[i] && isspace(buf[i]); i++) + ; /* do nothing */ + return i; + } + return 0; } /* if new_name == NULL, the section is removed instead */ @@ -983,16 +1235,13 @@ int git_config_rename_section(const char *old_name, const char *new_name) int out_fd; char buf[1024]; - config_filename = getenv(CONFIG_ENVIRONMENT); - if (!config_filename) { - config_filename = getenv(CONFIG_LOCAL_ENVIRONMENT); - if (!config_filename) - config_filename = git_path("config"); - } - config_filename = xstrdup(config_filename); + if (config_exclusive_filename) + config_filename = xstrdup(config_exclusive_filename); + else + config_filename = git_pathdup("config"); out_fd = hold_lock_file_for_update(lock, config_filename, 0); if (out_fd < 0) { - ret = error("Could not lock config file!"); + ret = error("could not lock config file %s", config_filename); goto out; } @@ -1004,11 +1253,13 @@ int git_config_rename_section(const char *old_name, const char *new_name) while (fgets(buf, sizeof(buf), config_file)) { int i; int length; + char *output = buf; for (i = 0; buf[i] && isspace(buf[i]); i++) ; /* do nothing */ if (buf[i] == '[') { /* it's a section */ - if (section_name_match (&buf[i+1], old_name)) { + int offset = section_name_match(&buf[i], old_name); + if (offset > 0) { ret++; if (new_name == NULL) { remove = 1; @@ -1016,26 +1267,50 @@ int git_config_rename_section(const char *old_name, const char *new_name) } store.baselen = strlen(new_name); if (!store_write_section(out_fd, new_name)) { - ret = write_error(); + ret = write_error(lock->filename); goto out; } - continue; + /* + * We wrote out the new section, with + * a newline, now skip the old + * section's length + */ + 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'; + } } remove = 0; } if (remove) continue; - length = strlen(buf); - if (write_in_full(out_fd, buf, length) != length) { - ret = write_error(); + length = strlen(output); + if (write_in_full(out_fd, output, length) != length) { + ret = write_error(lock->filename); goto out; } } fclose(config_file); unlock_and_out: - if (close(out_fd) || commit_lock_file(lock) < 0) - ret = error("Cannot commit config file!"); + if (commit_lock_file(lock) < 0) + ret = error("could not commit config file %s", config_filename); out: free(config_filename); return ret; } + +/* + * Call this to report error for your variable that should not + * get a boolean value (i.e. "[my] var" means "true"). + */ +int config_error_nonbool(const char *var) +{ + return error("Missing value for '%s'", var); +} |