diff options
Diffstat (limited to 'config.c')
-rw-r--r-- | config.c | 561 |
1 files changed, 381 insertions, 180 deletions
@@ -9,13 +9,15 @@ #include "config.h" #include "repository.h" #include "lockfile.h" -#include "exec_cmd.h" +#include "exec-cmd.h" #include "strbuf.h" #include "quote.h" #include "hashmap.h" #include "string-list.h" +#include "object-store.h" #include "utf8.h" #include "dir.h" +#include "color.h" struct config_source { struct config_source *prev; @@ -102,7 +104,7 @@ static int config_buf_ungetc(int c, struct config_source *conf) 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"); + BUG("config_buf can only ungetc the same character"); return c; } @@ -189,7 +191,7 @@ static int prepare_include_condition_pattern(struct strbuf *pat) strbuf_realpath(&path, cf->path, 1); slash = find_last_dir_sep(path.buf); if (!slash) - die("BUG: how is this possible?"); + BUG("how is this possible?"); strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); prefix = slash - path.buf + 1 /* slash */; } else if (!is_absolute_path(pat->buf)) @@ -653,7 +655,45 @@ static int get_base_var(struct strbuf *name) } } -static int git_parse_source(config_fn_t fn, void *data) +struct parse_event_data { + enum config_event_t previous_type; + size_t previous_offset; + const struct config_options *opts; +}; + +static int do_event(enum config_event_t type, struct parse_event_data *data) +{ + size_t offset; + + if (!data->opts || !data->opts->event_fn) + return 0; + + if (type == CONFIG_EVENT_WHITESPACE && + data->previous_type == type) + return 0; + + offset = cf->do_ftell(cf); + /* + * At EOF, the parser always "inserts" an extra '\n', therefore + * the end offset of the event is the current file position, otherwise + * we will already have advanced to the next event. + */ + if (type != CONFIG_EVENT_EOF) + offset--; + + if (data->previous_type != CONFIG_EVENT_EOF && + data->opts->event_fn(data->previous_type, data->previous_offset, + offset, data->opts->event_fn_data) < 0) + return -1; + + data->previous_type = type; + data->previous_offset = offset; + + return 0; +} + +static int git_parse_source(config_fn_t fn, void *data, + const struct config_options *opts) { int comment = 0; int baselen = 0; @@ -664,8 +704,15 @@ static int git_parse_source(config_fn_t fn, void *data) /* U+FEFF Byte Order Mark in UTF8 */ const char *bomptr = utf8_bom; + /* For the parser event callback */ + struct parse_event_data event_data = { + CONFIG_EVENT_EOF, 0, opts + }; + for (;;) { - int c = get_next_char(); + int c; + + 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 @@ -682,18 +729,33 @@ static int git_parse_source(config_fn_t fn, void *data) } } if (c == '\n') { - if (cf->eof) + if (cf->eof) { + if (do_event(CONFIG_EVENT_EOF, &event_data) < 0) + return -1; return 0; + } + if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0) + return -1; comment = 0; continue; } - if (comment || isspace(c)) + if (comment) continue; + if (isspace(c)) { + if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0) + return -1; + continue; + } if (c == '#' || c == ';') { + if (do_event(CONFIG_EVENT_COMMENT, &event_data) < 0) + return -1; comment = 1; continue; } if (c == '[') { + if (do_event(CONFIG_EVENT_SECTION, &event_data) < 0) + return -1; + /* Reset prior to determining a new stem */ strbuf_reset(var); if (get_base_var(var) < 0 || var->len < 1) @@ -704,6 +766,10 @@ static int git_parse_source(config_fn_t fn, void *data) } if (!isalpha(c)) break; + + if (do_event(CONFIG_EVENT_ENTRY, &event_data) < 0) + return -1; + /* * Truncate the var name back to the section header * stem prior to grabbing the suffix part of the name @@ -715,6 +781,9 @@ static int git_parse_source(config_fn_t fn, void *data) break; } + if (do_event(CONFIG_EVENT_ERROR, &event_data) < 0) + return -1; + switch (cf->origin_type) { case CONFIG_ORIGIN_BLOB: error_msg = xstrfmt(_("bad config line %d in blob %s"), @@ -1000,6 +1069,15 @@ int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char * return 0; } +int git_config_color(char *dest, const char *var, const char *value) +{ + if (!value) + return config_error_nonbool(var); + if (color_parse(value, dest) < 0) + return -1; + return 0; +} + static int git_default_core_config(const char *var, const char *value) { /* This needs a better name */ @@ -1156,7 +1234,7 @@ static int git_default_core_config(const char *var, const char *value) } eol_rndtrp_die = git_config_bool(var, value); global_conv_flags_eol = eol_rndtrp_die ? - CONV_EOL_RNDTRP_DIE : CONV_EOL_RNDTRP_WARN; + CONV_EOL_RNDTRP_DIE : 0; return 0; } @@ -1172,6 +1250,11 @@ static int git_default_core_config(const char *var, const char *value) return 0; } + if (!strcmp(var, "core.checkroundtripencoding")) { + check_roundtrip_encoding = xstrdup(value); + return 0; + } + if (!strcmp(var, "core.notesref")) { notes_ref_name = xstrdup(value); return 0; @@ -1226,6 +1309,11 @@ static int git_default_core_config(const char *var, const char *value) return 0; } + if (!strcmp(var, "core.commitgraph")) { + core_commit_graph = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "core.sparsecheckout")) { core_apply_sparse_checkout = git_config_bool(var, value); return 0; @@ -1365,7 +1453,7 @@ int git_default_config(const char *var, const char *value, void *dummy) if (starts_with(var, "mailmap.")) return git_default_mailmap_config(var, value); - if (starts_with(var, "advice.")) + if (starts_with(var, "advice.") || starts_with(var, "color.advice")) return git_default_advice_config(var, value); if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { @@ -1398,7 +1486,8 @@ int git_default_config(const char *var, const char *value, void *dummy) * fgetc, ungetc, ftell of top need to be initialized before calling * this function. */ -static int do_config_from(struct config_source *top, config_fn_t fn, void *data) +static int do_config_from(struct config_source *top, config_fn_t fn, void *data, + const struct config_options *opts) { int ret; @@ -1410,7 +1499,7 @@ static int do_config_from(struct config_source *top, config_fn_t fn, void *data) strbuf_init(&top->var, 1024); cf = top; - ret = git_parse_source(fn, data); + ret = git_parse_source(fn, data, opts); /* pop config-file parsing state stack */ strbuf_release(&top->value); @@ -1423,9 +1512,10 @@ static int do_config_from(struct config_source *top, config_fn_t fn, 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) + void *data, const struct config_options *opts) { struct config_source top; + int ret; top.u.file = f; top.origin_type = origin_type; @@ -1436,29 +1526,39 @@ static int do_config_from_file(config_fn_t fn, top.do_ungetc = config_file_ungetc; top.do_ftell = config_file_ftell; - return do_config_from(&top, fn, data); + flockfile(f); + ret = do_config_from(&top, fn, data, opts); + funlockfile(f); + return ret; } static int git_config_from_stdin(config_fn_t fn, void *data) { - return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data); + return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, + data, NULL); } -int git_config_from_file(config_fn_t fn, const char *filename, void *data) +int git_config_from_file_with_options(config_fn_t fn, const char *filename, + void *data, + const struct config_options *opts) { int ret = -1; FILE *f; f = fopen_or_warn(filename, "r"); if (f) { - flockfile(f); - ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); - funlockfile(f); + ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, + filename, f, data, opts); fclose(f); } return ret; } +int git_config_from_file(config_fn_t fn, const char *filename, void *data) +{ + return git_config_from_file_with_options(fn, filename, data, NULL); +} + 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) { @@ -1475,7 +1575,7 @@ int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_typ top.do_ungetc = config_buf_ungetc; top.do_ftell = config_buf_ftell; - return do_config_from(&top, fn, data); + return do_config_from(&top, fn, data, NULL); } int git_config_from_blob_oid(config_fn_t fn, @@ -1488,7 +1588,7 @@ int git_config_from_blob_oid(config_fn_t fn, unsigned long size; int ret; - buf = read_sha1_file(oid->hash, &type, &size); + buf = read_object_file(oid, &type, &size); if (!buf) return error("unable to load config blob object '%s'", name); if (type != OBJ_BLOB) { @@ -1715,7 +1815,7 @@ static int configset_add_value(struct config_set *cs, const char *key, const cha l_item->value_index = e->value_list.nr - 1; if (!cf) - die("BUG: configset_add_value has no source"); + BUG("configset_add_value has no source"); if (cf->name) { kv_info->filename = strintern(cf->name); kv_info->linenr = cf->linenr; @@ -2073,23 +2173,6 @@ int git_config_get_pathname(const char *key, const char **dest) return repo_config_get_pathname(the_repository, key, dest); } -/* - * Note: This function exists solely to maintain backward compatibility with - * 'fetch' and 'update_clone' storing configuration in '.gitmodules' and should - * NOT be used anywhere else. - * - * Runs the provided config function on the '.gitmodules' file found in the - * working directory. - */ -void config_from_gitmodules(config_fn_t fn, void *data) -{ - if (the_repository->worktree) { - char *file = repo_worktree_path(the_repository, GITMODULES_FILE); - git_config_from_file(fn, file, data); - free(file); - } -} - int git_config_get_expiry(const char *key, const char **output) { int ret = git_config_get_string_const(key, output); @@ -2219,96 +2302,111 @@ void git_die_config(const char *key, const char *err, ...) * Find all the stuff for git_config_set() below. */ -static struct { +struct config_store_data { int baselen; char *key; int do_not_match; regex_t *value_regex; int multi_replace; - size_t *offset; - unsigned int offset_alloc; - enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; - unsigned int seen; -} store; + struct { + size_t begin, end; + enum config_event_t type; + int is_keys_section; + } *parsed; + unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc; + unsigned int key_seen:1, section_seen:1, is_keys_section:1; +}; + +static void config_store_data_clear(struct config_store_data *store) +{ + free(store->key); + if (store->value_regex != NULL && + store->value_regex != CONFIG_REGEX_NONE) { + regfree(store->value_regex); + free(store->value_regex); + } + free(store->parsed); + free(store->seen); + memset(store, 0, sizeof(*store)); +} -static int matches(const char *key, const char *value) +static int matches(const char *key, const char *value, + const struct config_store_data *store) { - if (strcmp(key, store.key)) + if (strcmp(key, store->key)) return 0; /* not ours */ - if (!store.value_regex) + if (!store->value_regex) return 1; /* always matches */ - if (store.value_regex == CONFIG_REGEX_NONE) + 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)); + return store->do_not_match ^ + (value && !regexec(store->value_regex, value, 0, NULL, 0)); +} + +static int store_aux_event(enum config_event_t type, + size_t begin, size_t end, void *data) +{ + struct config_store_data *store = data; + + ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc); + store->parsed[store->parsed_nr].begin = begin; + store->parsed[store->parsed_nr].end = end; + store->parsed[store->parsed_nr].type = type; + + if (type == CONFIG_EVENT_SECTION) { + if (cf->var.len < 2 || cf->var.buf[cf->var.len - 1] != '.') + return error("invalid section name '%s'", cf->var.buf); + + /* Is this the section we were looking for? */ + store->is_keys_section = + store->parsed[store->parsed_nr].is_keys_section = + cf->var.len - 1 == store->baselen && + !strncasecmp(cf->var.buf, store->key, store->baselen); + if (store->is_keys_section) { + store->section_seen = 1; + ALLOC_GROW(store->seen, store->seen_nr + 1, + store->seen_alloc); + store->seen[store->seen_nr] = store->parsed_nr; + } + } + + store->parsed_nr++; + + return 0; } static int store_aux(const char *key, const char *value, void *cb) { - const char *ep; - size_t section_len; + struct config_store_data *store = cb; - switch (store.state) { - case KEY_SEEN: - if (matches(key, value)) { - if (store.seen == 1 && store.multi_replace == 0) { + if (store->key_seen) { + if (matches(key, value, store)) { + if (store->seen_nr == 1 && store->multi_replace == 0) { warning(_("%s has multiple values"), key); } - ALLOC_GROW(store.offset, store.seen + 1, - store.offset_alloc); + ALLOC_GROW(store->seen, store->seen_nr + 1, + store->seen_alloc); - store.offset[store.seen] = cf->do_ftell(cf); - store.seen++; + store->seen[store->seen_nr] = store->parsed_nr; + store->seen_nr++; } - break; - case SECTION_SEEN: + } else if (store->is_keys_section) { /* - * What we are looking for is in store.key (both - * section and var), and its section part is baselen - * long. We found key (again, both section and var). - * We would want to know if this key is in the same - * section as what we are looking for. We already - * know we are in the same section as what should - * hold store.key. + * Do not increment matches yet: this may not be a match, but we + * are in the desired section. */ - ep = strrchr(key, '.'); - section_len = ep - key; - - if ((section_len != store.baselen) || - memcmp(key, store.key, section_len+1)) { - store.state = SECTION_END_SEEN; - break; - } + ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc); + store->seen[store->seen_nr] = store->parsed_nr; + store->section_seen = 1; - /* - * Do not increment matches: this is no match, but we - * just made sure we are in the desired section. - */ - ALLOC_GROW(store.offset, store.seen + 1, - store.offset_alloc); - store.offset[store.seen] = cf->do_ftell(cf); - /* fallthru */ - case SECTION_END_SEEN: - case START: - if (matches(key, value)) { - ALLOC_GROW(store.offset, store.seen + 1, - store.offset_alloc); - store.offset[store.seen] = cf->do_ftell(cf); - store.state = KEY_SEEN; - store.seen++; - } else { - if (strrchr(key, '.') - key == store.baselen && - !strncmp(key, store.key, store.baselen)) { - store.state = SECTION_SEEN; - ALLOC_GROW(store.offset, - store.seen + 1, - store.offset_alloc); - store.offset[store.seen] = cf->do_ftell(cf); - } + if (matches(key, value, store)) { + store->seen_nr++; + store->key_seen = 1; } } + return 0; } @@ -2320,31 +2418,33 @@ static int write_error(const char *filename) return 4; } -static struct strbuf store_create_section(const char *key) +static struct strbuf store_create_section(const char *key, + const struct config_store_data *store) { const char *dot; int i; struct strbuf sb = STRBUF_INIT; - dot = memchr(key, '.', store.baselen); + dot = memchr(key, '.', store->baselen); if (dot) { strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); - for (i = dot - key + 1; i < store.baselen; i++) { + 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); + strbuf_addf(&sb, "[%.*s]\n", store->baselen, key); } return sb; } -static ssize_t write_section(int fd, const char *key) +static ssize_t write_section(int fd, const char *key, + const struct config_store_data *store) { - struct strbuf sb = store_create_section(key); + struct strbuf sb = store_create_section(key, store); ssize_t ret; ret = write_in_full(fd, sb.buf, sb.len); @@ -2353,11 +2453,12 @@ static ssize_t write_section(int fd, const char *key) return ret; } -static ssize_t write_pair(int fd, const char *key, const char *value) +static ssize_t write_pair(int fd, const char *key, const char *value, + const struct config_store_data *store) { int i; ssize_t ret; - int length = strlen(key + store.baselen + 1); + int length = strlen(key + store->baselen + 1); const char *quote = ""; struct strbuf sb = STRBUF_INIT; @@ -2377,7 +2478,7 @@ static ssize_t write_pair(int fd, const char *key, const char *value) quote = "\""; strbuf_addf(&sb, "\t%.*s = %s", - length, key + store.baselen + 1, quote); + length, key + store->baselen + 1, quote); for (i = 0; value[i]; i++) switch (value[i]) { @@ -2403,30 +2504,85 @@ static ssize_t write_pair(int fd, const char *key, const char *value) return ret; } -static ssize_t find_beginning_of_line(const char *contents, size_t size, - size_t offset_, int *found_bracket) +/* + * If we are about to unset the last key(s) in a section, and if there are + * no comments surrounding (or included in) the section, we will want to + * extend begin/end to remove the entire section. + * + * Note: the parameter `seen_ptr` points to the index into the store.seen + * array. * This index may be incremented if a section has more than one + * entry (which all are to be removed). + */ +static void maybe_remove_section(struct config_store_data *store, + const char *contents, + size_t *begin_offset, size_t *end_offset, + int *seen_ptr) { - size_t equal_offset = size, bracket_offset = size; - ssize_t offset; + size_t begin; + int i, seen, section_seen = 0; -contline: - for (offset = offset_-2; offset > 0 - && contents[offset] != '\n'; offset--) - switch (contents[offset]) { - case '=': equal_offset = offset; break; - case ']': bracket_offset = offset; break; + /* + * First, ensure that this is the first key, and that there are no + * comments before the entry nor before the section header. + */ + seen = *seen_ptr; + for (i = store->seen[seen]; i > 0; i--) { + enum config_event_t type = store->parsed[i - 1].type; + + if (type == CONFIG_EVENT_COMMENT) + /* There is a comment before this entry or section */ + return; + if (type == CONFIG_EVENT_ENTRY) { + if (!section_seen) + /* This is not the section's first entry. */ + return; + /* We encountered no comment before the section. */ + break; + } + if (type == CONFIG_EVENT_SECTION) { + if (!store->parsed[i - 1].is_keys_section) + break; + section_seen = 1; } - if (offset > 0 && contents[offset-1] == '\\') { - offset_ = offset; - goto contline; } - if (bracket_offset < equal_offset) { - *found_bracket = 1; - offset = bracket_offset+1; - } else - offset++; + begin = store->parsed[i].begin; + + /* + * Next, make sure that we are removing he last key(s) in the section, + * and that there are no comments that are possibly about the current + * section. + */ + for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) { + enum config_event_t type = store->parsed[i].type; - return offset; + if (type == CONFIG_EVENT_COMMENT) + return; + if (type == CONFIG_EVENT_SECTION) { + if (store->parsed[i].is_keys_section) + continue; + break; + } + if (type == CONFIG_EVENT_ENTRY) { + if (++seen < store->seen_nr && + i == store->seen[seen]) + /* We want to remove this entry, too */ + continue; + /* There is another entry in this section. */ + return; + } + } + + /* + * We are really removing the last entry/entries from this section, and + * there are no enclosed or surrounding comments. Remove the entire, + * now-empty section. + */ + *seen_ptr = seen; + *begin_offset = begin; + if (i < store->parsed_nr) + *end_offset = store->parsed[i].begin; + else + *end_offset = store->parsed[store->parsed_nr - 1].end; } int git_config_set_in_file_gently(const char *config_filename, @@ -2487,6 +2643,9 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, char *filename_buf = NULL; char *contents = NULL; size_t contents_sz; + struct config_store_data store; + + memset(&store, 0, sizeof(store)); /* parse-key returns negative; flip the sign to feed exit(3) */ ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); @@ -2505,7 +2664,6 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, fd = hold_lock_file_for_update(&lock, config_filename, 0); if (fd < 0) { error_errno("could not lock config file %s", config_filename); - free(store.key); ret = CONFIG_NO_LOCK; goto out_free; } @@ -2515,8 +2673,6 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, */ in_fd = open(config_filename, O_RDONLY); if ( in_fd < 0 ) { - free(store.key); - if ( ENOENT != errno ) { error_errno("opening %s", config_filename); ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ @@ -2528,14 +2684,16 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, goto out_free; } - store.key = (char *)key; - if (write_section(fd, key) < 0 || - write_pair(fd, key, value) < 0) + free(store.key); + store.key = xstrdup(key); + if (write_section(fd, key, &store) < 0 || + write_pair(fd, key, value, &store) < 0) goto write_err_out; } else { struct stat st; size_t copy_begin, copy_end; int i, new_line = 0; + struct config_options opts; if (value_regex == NULL) store.value_regex = NULL; @@ -2552,45 +2710,38 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, if (regcomp(store.value_regex, value_regex, REG_EXTENDED)) { error("invalid pattern: %s", value_regex); - free(store.value_regex); + FREE_AND_NULL(store.value_regex); ret = CONFIG_INVALID_PATTERN; goto out_free; } } - ALLOC_GROW(store.offset, 1, store.offset_alloc); - store.offset[0] = 0; - store.state = START; - store.seen = 0; + ALLOC_GROW(store.parsed, 1, store.parsed_alloc); + store.parsed[0].end = 0; + + memset(&opts, 0, sizeof(opts)); + opts.event_fn = store_aux_event; + opts.event_fn_data = &store; /* - * After this, store.offset will contain the *end* offset - * of the last match, or remain at 0 if no match was found. + * After this, store.parsed will contain offsets of all the + * parsed elements, and store.seen will contain a list of + * matches, as indices into store.parsed. + * * As a side effect, we make sure to transform only a valid * existing config file. */ - if (git_config_from_file(store_aux, config_filename, NULL)) { + if (git_config_from_file_with_options(store_aux, + config_filename, + &store, &opts)) { error("invalid config file %s", config_filename); - free(store.key); - if (store.value_regex != NULL && - store.value_regex != CONFIG_REGEX_NONE) { - regfree(store.value_regex); - free(store.value_regex); - } ret = CONFIG_INVALID_FILE; goto out_free; } - free(store.key); - if (store.value_regex != NULL && - store.value_regex != CONFIG_REGEX_NONE) { - regfree(store.value_regex); - free(store.value_regex); - } - /* if nothing to unset, or too many matches, error out */ - if ((store.seen == 0 && value == NULL) || - (store.seen > 1 && multi_replace == 0)) { + if ((store.seen_nr == 0 && value == NULL) || + (store.seen_nr > 1 && multi_replace == 0)) { ret = CONFIG_NOTHING_SET; goto out_free; } @@ -2621,18 +2772,49 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, goto out_free; } - if (store.seen == 0) - store.seen = 1; + if (store.seen_nr == 0) { + if (!store.seen_alloc) { + /* Did not see key nor section */ + ALLOC_GROW(store.seen, 1, store.seen_alloc); + store.seen[0] = store.parsed_nr + - !!store.parsed_nr; + } + store.seen_nr = 1; + } - for (i = 0, copy_begin = 0; i < store.seen; i++) { - if (store.offset[i] == 0) { - store.offset[i] = copy_end = contents_sz; - } else if (store.state != KEY_SEEN) { - copy_end = store.offset[i]; - } else - copy_end = find_beginning_of_line( - contents, contents_sz, - store.offset[i]-2, &new_line); + for (i = 0, copy_begin = 0; i < store.seen_nr; i++) { + size_t replace_end; + int j = store.seen[i]; + + new_line = 0; + if (!store.key_seen) { + copy_end = store.parsed[j].end; + /* include '\n' when copying section header */ + if (copy_end > 0 && copy_end < contents_sz && + contents[copy_end - 1] != '\n' && + contents[copy_end] == '\n') + copy_end++; + replace_end = copy_end; + } else { + replace_end = store.parsed[j].end; + copy_end = store.parsed[j].begin; + if (!value) + maybe_remove_section(&store, contents, + ©_end, + &replace_end, &i); + /* + * Swallow preceding white-space on the same + * line. + */ + while (copy_end > 0 ) { + char c = contents[copy_end - 1]; + + if (isspace(c) && c != '\n') + copy_end--; + else + break; + } + } if (copy_end > 0 && contents[copy_end-1] != '\n') new_line = 1; @@ -2646,16 +2828,16 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, write_str_in_full(fd, "\n") < 0) goto write_err_out; } - copy_begin = store.offset[i]; + copy_begin = replace_end; } /* write the pair (value == NULL means unset) */ if (value != NULL) { - if (store.state == START) { - if (write_section(fd, key) < 0) + if (!store.section_seen) { + if (write_section(fd, key, &store) < 0) goto write_err_out; } - if (write_pair(fd, key, value) < 0) + if (write_pair(fd, key, value, &store) < 0) goto write_err_out; } @@ -2687,6 +2869,7 @@ out_free: munmap(contents, contents_sz); if (in_fd >= 0) close(in_fd); + config_store_data_clear(&store); return ret; write_err_out: @@ -2779,7 +2962,8 @@ static int section_name_is_ok(const char *name) /* if new_name == NULL, the section is removed instead */ static int git_config_copy_or_rename_section_in_file(const char *config_filename, - const char *old_name, const char *new_name, int copy) + const char *old_name, + const char *new_name, int copy) { int ret = 0, remove = 0; char *filename_buf = NULL; @@ -2789,6 +2973,9 @@ static int git_config_copy_or_rename_section_in_file(const char *config_filename FILE *config_file = NULL; struct stat st; struct strbuf copystr = STRBUF_INIT; + struct config_store_data store; + + memset(&store, 0, sizeof(store)); if (new_name && !section_name_is_ok(new_name)) { ret = error("invalid section name: %s", new_name); @@ -2858,7 +3045,7 @@ static int git_config_copy_or_rename_section_in_file(const char *config_filename } store.baselen = strlen(new_name); if (!copy) { - if (write_section(out_fd, new_name) < 0) { + if (write_section(out_fd, new_name, &store) < 0) { ret = write_error(get_lock_file_path(&lock)); goto out; } @@ -2879,7 +3066,7 @@ static int git_config_copy_or_rename_section_in_file(const char *config_filename output[0] = '\t'; } } else { - copystr = store_create_section(new_name); + copystr = store_create_section(new_name, &store); } } remove = 0; @@ -2923,6 +3110,7 @@ out: rollback_lock_file(&lock); out_no_rollback: free(filename_buf); + config_store_data_clear(&store); return ret; } @@ -3004,7 +3192,7 @@ const char *current_config_origin_type(void) else if(cf) type = cf->origin_type; else - die("BUG: current_config_origin_type called outside config callback"); + BUG("current_config_origin_type called outside config callback"); switch (type) { case CONFIG_ORIGIN_BLOB: @@ -3018,7 +3206,7 @@ const char *current_config_origin_type(void) case CONFIG_ORIGIN_CMDLINE: return "command line"; default: - die("BUG: unknown config origin type"); + BUG("unknown config origin type"); } } @@ -3030,7 +3218,7 @@ const char *current_config_name(void) else if (cf) name = cf->name; else - die("BUG: current_config_name called outside config callback"); + BUG("current_config_name called outside config callback"); return name ? name : ""; } @@ -3041,3 +3229,16 @@ enum config_scope current_config_scope(void) else return current_parsing_scope; } + +int lookup_config(const char **mapping, int nr_mapping, const char *var) +{ + int i; + + for (i = 0; i < nr_mapping; i++) { + const char *name = mapping[i]; + + if (name && !strcasecmp(var, name)) + return i; + } + return -1; +} |