diff options
Diffstat (limited to 'config.c')
| -rw-r--r-- | config.c | 267 |
1 files changed, 172 insertions, 95 deletions
@@ -6,12 +6,14 @@ * */ #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; static int get_next_char(void) @@ -33,7 +35,7 @@ static int get_next_char(void) if (c == '\n') config_linenr++; if (c == EOF) { - config_file = NULL; + config_file_eof = 1; c = '\n'; } } @@ -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; @@ -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; @@ -204,8 +206,7 @@ static int git_parse_file(config_fn_t fn) for (;;) { int c = get_next_char(); if (c == '\n') { - /* EOF? */ - if (!config_file) + if (config_file_eof) return 0; comment = 0; continue; @@ -233,17 +234,23 @@ static int git_parse_file(config_fn_t fn) 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) @@ -251,7 +258,10 @@ 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 +272,26 @@ 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; if (!git_parse_long(value, &ret)) - die("bad config value for '%s' in %s", name, config_file_name); + die_bad_config(name); return ret; } @@ -280,7 +299,7 @@ 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; } @@ -297,6 +316,14 @@ int git_config_bool(const char *name, const char *value) return git_config_int(name, value) != 0; } +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) { /* This needs a better name */ @@ -395,39 +422,53 @@ 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, "user.name")) { + if (!value) + return config_error_nonbool(var); strlcpy(git_default_name, value, sizeof(git_default_name)); return 0; } if (!strcmp(var, "user.email")) { + if (!value) + return config_error_nonbool(var); strlcpy(git_default_email, value, sizeof(git_default_email)); return 0; } - if (!strcmp(var, "i18n.commitencoding")) { - git_commit_encoding = xstrdup(value); - return 0; - } - - if (!strcmp(var, "i18n.logoutputencoding")) { - git_log_output_encoding = xstrdup(value); - return 0; - } + 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); if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { pager_use_color = git_config_bool(var,value); return 0; } - if (!strcmp(var, "core.pager")) { - pager_program = 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.editor")) { - editor_program = xstrdup(value); + if (!strcmp(var, "core.excludesfile")) + return git_config_string(&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; } @@ -445,6 +486,7 @@ int git_config_from_file(config_fn_t fn, const char *filename) config_file = f; config_file_name = filename; config_linenr = 1; + config_file_eof = 0; ret = git_parse_file(fn); fclose(f); config_file_name = NULL; @@ -452,6 +494,37 @@ int git_config_from_file(config_fn_t fn, const char *filename) return ret; } +const char *git_etc_gitconfig(void) +{ + static const char *system_wide; + if (!system_wide) { + system_wide = ETC_GITCONFIG; + if (!is_absolute_path(system_wide)) { + /* interpret path relative to exec-dir */ + struct strbuf d = STRBUF_INIT; + strbuf_addf(&d, "%s/%s", git_exec_path(), system_wide); + system_wide = strbuf_detach(&d, NULL); + } + } + return system_wide; +} + +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) { int ret = 0; @@ -464,15 +537,15 @@ int git_config(config_fn_t fn) * config file otherwise. */ filename = getenv(CONFIG_ENVIRONMENT); if (!filename) { - if (!access(ETC_GITCONFIG, R_OK)) - ret += git_config_from_file(fn, ETC_GITCONFIG); + if (git_config_system() && !access(git_etc_gitconfig(), R_OK)) + ret += git_config_from_file(fn, git_etc_gitconfig()); home = getenv("HOME"); filename = getenv(CONFIG_LOCAL_ENVIRONMENT); if (!filename) filename = repo_config = xstrdup(git_path("config")); } - if (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); @@ -582,86 +655,77 @@ static int write_error(void) 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; - dot = strchr(key, '.'); + strbuf_init(&sb, 0); + 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] == '"') + 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) { - 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; - /* 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_init(&sb, 0); + 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, @@ -670,12 +734,17 @@ static ssize_t find_beginning_of_line(const char* contents, size_t size, 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; @@ -888,6 +957,9 @@ 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, @@ -921,14 +993,12 @@ int git_config_set_multivar(const char* key, const char* value, munmap(contents, contents_sz); } - if (close(fd) || commit_lock_file(lock) < 0) { + if (commit_lock_file(lock) < 0) { fprintf(stderr, "Cannot commit config file!\n"); 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 @@ -939,8 +1009,6 @@ 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); @@ -1038,9 +1106,18 @@ int git_config_rename_section(const char *old_name, const char *new_name) } fclose(config_file); unlock_and_out: - if (close(out_fd) || commit_lock_file(lock) < 0) + if (commit_lock_file(lock) < 0) ret = error("Cannot commit config file!"); 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); +} |