diff options
Diffstat (limited to 'config.c')
| -rw-r--r-- | config.c | 131 |
1 files changed, 96 insertions, 35 deletions
@@ -12,6 +12,7 @@ #include "quote.h" #include "hashmap.h" #include "string-list.h" +#include "utf8.h" struct config_source { struct config_source *prev; @@ -49,7 +50,7 @@ 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) @@ -417,8 +418,7 @@ static int git_parse_source(config_fn_t fn, void *data) struct strbuf *var = &cf->var; /* 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(); @@ -426,7 +426,7 @@ 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 { @@ -618,7 +618,7 @@ 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; @@ -637,7 +637,7 @@ 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)) @@ -647,7 +647,7 @@ 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; @@ -1088,7 +1088,9 @@ 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, filename, filename, f, data); + funlockfile(f); fclose(f); } return ret; @@ -1185,10 +1187,8 @@ int git_config_system(void) int git_config_early(config_fn_t fn, void *data, const char *repo_config) { int ret = 0, found = 0; - char *xdg_config = NULL; - char *user_config = NULL; - - home_config_paths(&user_config, &xdg_config, "config"); + char *xdg_config = xdg_config_home("config"); + char *user_config = expand_user_path("~/.gitconfig"); if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) { ret += git_config_from_file(fn, git_etc_gitconfig(), @@ -1594,6 +1594,30 @@ int git_config_get_pathname(const char *key, const char **dest) return ret; } +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) { @@ -1848,7 +1872,7 @@ 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, '.'); @@ -1859,12 +1883,14 @@ 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; } @@ -1875,7 +1901,8 @@ 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 = xmalloc(strlen(key) + 1); dot = 0; for (i = 0; key[i]; i++) { @@ -1886,26 +1913,42 @@ 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; + if (store_key) + (*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. @@ -1935,10 +1978,12 @@ 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 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); @@ -1988,8 +2033,7 @@ 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) @@ -2052,13 +2096,23 @@ int git_config_set_multivar_in_file(const char *config_filename, fstat(in_fd, &st); 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("unable to mmap '%s': %s", + config_filename, strerror(errno)); + ret = CONFIG_INVALID_FILE; + contents = NULL; + goto out_free; + } close(in_fd); + in_fd = -1; - if (chmod(lock->filename.buf, st.st_mode & 07777) < 0) { + if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { error("chmod on %s failed: %s", - lock->filename.buf, strerror(errno)); + get_lock_file_path(lock), strerror(errno)); ret = CONFIG_NO_WRITE; goto out_free; } @@ -2110,10 +2164,12 @@ 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("could not write config file %s: %s", config_filename, + strerror(errno)); ret = CONFIG_NO_WRITE; lock = NULL; goto out_free; @@ -2135,10 +2191,14 @@ 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.buf); + ret = write_error(get_lock_file_path(lock)); goto out_free; } @@ -2239,9 +2299,9 @@ int git_config_rename_section_in_file(const char *config_filename, fstat(fileno(config_file), &st); - if (chmod(lock->filename.buf, st.st_mode & 07777) < 0) { + if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { ret = error("chmod on %s failed: %s", - lock->filename.buf, strerror(errno)); + get_lock_file_path(lock), strerror(errno)); goto out; } @@ -2262,7 +2322,7 @@ 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.buf); + ret = write_error(get_lock_file_path(lock)); goto out; } /* @@ -2288,14 +2348,15 @@ 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.buf); + ret = write_error(get_lock_file_path(lock)); goto out; } } fclose(config_file); unlock_and_out: if (commit_lock_file(lock) < 0) - ret = error("could not commit config file %s", config_filename); + ret = error("could not write config file %s: %s", + config_filename, strerror(errno)); out: free(filename_buf); return ret; |