diff options
Diffstat (limited to 'config.c')
| -rw-r--r-- | config.c | 522 |
1 files changed, 361 insertions, 161 deletions
@@ -6,6 +6,8 @@ * */ #include "cache.h" +#include "config.h" +#include "repository.h" #include "lockfile.h" #include "exec_cmd.h" #include "strbuf.h" @@ -71,13 +73,6 @@ static int core_compression_seen; static int pack_compression_seen; static int zlib_compression_seen; -/* - * Default config_set that contains key-value pairs from the usual set of config - * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG - * config file and the global /etc/gitconfig) - */ -static struct config_set the_config_set; - static int config_file_fgetc(struct config_source *conf) { return getc_unlocked(conf->u.file); @@ -214,11 +209,10 @@ static int include_by_gitdir(const struct config_options *opts, struct strbuf pattern = STRBUF_INIT; int ret = 0, prefix; const char *git_dir; + int already_tried_absolute = 0; if (opts->git_dir) git_dir = opts->git_dir; - else if (have_git_dir()) - git_dir = get_git_dir(); else goto done; @@ -226,6 +220,7 @@ static int include_by_gitdir(const struct config_options *opts, strbuf_add(&pattern, cond, cond_len); prefix = prepare_include_condition_pattern(&pattern); +again: if (prefix < 0) goto done; @@ -243,8 +238,22 @@ static int include_by_gitdir(const struct config_options *opts, } ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, - icase ? WM_CASEFOLD : 0, NULL); + icase ? WM_CASEFOLD : 0); + if (!ret && !already_tried_absolute) { + /* + * We've tried e.g. matching gitdir:~/work, but if + * ~/work is a symlink to /mnt/storage/work + * strbuf_realpath() will expand it, so the rule won't + * match. Let's match against a + * strbuf_add_absolute_path() version of the path, + * which'll do the right thing + */ + strbuf_reset(&text); + strbuf_add_absolute_path(&text, git_dir); + already_tried_absolute = 1; + goto again; + } done: strbuf_release(&pattern); strbuf_release(&text); @@ -379,8 +388,7 @@ static int git_config_parse_key_1(const char *key, char **store_key, int *basele out_free_ret_1: if (store_key) { - free(*store_key); - *store_key = NULL; + FREE_AND_NULL(*store_key); } return -CONFIG_INVALID_KEY; } @@ -588,7 +596,8 @@ static int get_value(config_fn_t fn, void *data, struct strbuf *name) */ cf->linenr--; ret = fn(name->buf, value, data); - cf->linenr++; + if (ret >= 0) + cf->linenr++; return ret; } @@ -919,7 +928,7 @@ ssize_t git_config_ssize_t(const char *name, const char *value) return ret; } -int git_parse_maybe_bool(const char *value) +static int git_parse_maybe_bool_text(const char *value) { if (!value) return 1; @@ -936,9 +945,9 @@ int git_parse_maybe_bool(const char *value) return -1; } -int git_config_maybe_bool(const char *name, const char *value) +int git_parse_maybe_bool(const char *value) { - int v = git_parse_maybe_bool(value); + int v = git_parse_maybe_bool_text(value); if (0 <= v) return v; if (git_parse_int(value, &v)) @@ -948,7 +957,7 @@ 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_parse_maybe_bool(value); + int v = git_parse_maybe_bool_text(value); if (0 <= v) { *is_bool = 1; return v; @@ -1422,7 +1431,7 @@ int git_config_from_file(config_fn_t fn, const char *filename, void *data) int ret = -1; FILE *f; - f = fopen(filename, "r"); + f = fopen_or_warn(filename, "r"); if (f) { flockfile(f); ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); @@ -1451,9 +1460,9 @@ int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_typ return do_config_from(&top, fn, data); } -int git_config_from_blob_sha1(config_fn_t fn, +int git_config_from_blob_oid(config_fn_t fn, const char *name, - const unsigned char *sha1, + const struct object_id *oid, void *data) { enum object_type type; @@ -1461,7 +1470,7 @@ int git_config_from_blob_sha1(config_fn_t fn, unsigned long size; int ret; - buf = read_sha1_file(sha1, &type, &size); + buf = read_sha1_file(oid->hash, &type, &size); if (!buf) return error("unable to load config blob object '%s'", name); if (type != OBJ_BLOB) { @@ -1479,11 +1488,11 @@ static int git_config_from_blob_ref(config_fn_t fn, const char *name, void *data) { - unsigned char sha1[20]; + struct object_id oid; - if (get_sha1(name, sha1) < 0) + if (get_oid(name, &oid) < 0) return error("unable to resolve config blob '%s'", name); - return git_config_from_blob_sha1(fn, name, sha1, data); + return git_config_from_blob_oid(fn, name, &oid, data); } const char *git_etc_gitconfig(void) @@ -1529,10 +1538,8 @@ static int do_git_config_sequence(const struct config_options *opts, char *user_config = expand_user_path("~/.gitconfig", 0); char *repo_config; - if (opts->git_dir) - repo_config = mkpathdup("%s/config", opts->git_dir); - else if (have_git_dir()) - repo_config = git_pathdup("config"); + if (opts->commondir) + repo_config = mkpathdup("%s/config", opts->commondir); else repo_config = NULL; @@ -1563,9 +1570,9 @@ static int do_git_config_sequence(const struct config_options *opts, return ret; } -int git_config_with_options(config_fn_t fn, void *data, - struct git_config_source *config_source, - const struct config_options *opts) +int config_with_options(config_fn_t fn, void *data, + struct git_config_source *config_source, + const struct config_options *opts) { struct config_include_data inc = CONFIG_INCLUDE_INIT; @@ -1591,26 +1598,6 @@ int git_config_with_options(config_fn_t fn, void *data, return do_git_config_sequence(opts, fn, data); } -static void git_config_raw(config_fn_t fn, void *data) -{ - struct config_options opts = {0}; - - opts.respect_includes = 1; - if (git_config_with_options(fn, data, NULL, &opts) < 0) - /* - * git_config_with_options() normally returns only - * zero, as most errors are fatal, and - * non-fatal potential errors are guarded by "if" - * statements that are entered only when no error is - * possible. - * - * If we ever encounter a non-fatal error, it means - * something went really wrong and we should stop - * immediately. - */ - die(_("unknown error occurred while reading the configuration files")); -} - static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) { int i, value_index; @@ -1637,11 +1624,13 @@ static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) void read_early_config(config_fn_t cb, void *data) { struct config_options opts = {0}; - struct strbuf buf = STRBUF_INIT; + struct strbuf commondir = STRBUF_INIT; + struct strbuf gitdir = STRBUF_INIT; opts.respect_includes = 1; - if (have_git_dir()) + if (have_git_dir()) { + opts.commondir = get_git_common_dir(); opts.git_dir = get_git_dir(); /* * When setup_git_directory() was not yet asked to discover the @@ -1651,20 +1640,15 @@ void read_early_config(config_fn_t cb, void *data) * notably, the current working directory is still the same after the * call). */ - else if (discover_git_directory(&buf)) - opts.git_dir = buf.buf; - - git_config_with_options(cb, data, NULL, &opts); - - strbuf_release(&buf); -} + } else if (!discover_git_directory(&commondir, &gitdir)) { + opts.commondir = commondir.buf; + opts.git_dir = gitdir.buf; + } -static void git_config_check_init(void); + config_with_options(cb, data, NULL, &opts); -void git_config(config_fn_t fn, void *data) -{ - git_config_check_init(); - configset_iter(&the_config_set, fn, data); + strbuf_release(&commondir); + strbuf_release(&gitdir); } static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) @@ -1730,15 +1714,20 @@ static int configset_add_value(struct config_set *cs, const char *key, const cha return 0; } -static int config_set_element_cmp(const struct config_set_element *e1, - const struct config_set_element *e2, const void *unused) +static int config_set_element_cmp(const void *unused_cmp_data, + const void *entry, + const void *entry_or_key, + const void *unused_keydata) { + const struct config_set_element *e1 = entry; + const struct config_set_element *e2 = entry_or_key; + return strcmp(e1->key, e2->key); } void git_configset_init(struct config_set *cs) { - hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0); + hashmap_init(&cs->config_hash, config_set_element_cmp, NULL, 0); cs->hash_initialized = 1; cs->list.nr = 0; cs->list.alloc = 0; @@ -1859,7 +1848,7 @@ int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *de { const char *value; if (!git_configset_get_value(cs, key, &value)) { - *dest = git_config_maybe_bool(key, value); + *dest = git_parse_maybe_bool(value); if (*dest == -1) return -1; return 0; @@ -1876,87 +1865,211 @@ int git_configset_get_pathname(struct config_set *cs, const char *key, const cha return 1; } -static void git_config_check_init(void) +/* Functions use to read configuration from a repository */ +static void repo_read_config(struct repository *repo) +{ + struct config_options opts; + + opts.respect_includes = 1; + opts.commondir = repo->commondir; + opts.git_dir = repo->gitdir; + + if (!repo->config) + repo->config = xcalloc(1, sizeof(struct config_set)); + else + git_configset_clear(repo->config); + + git_configset_init(repo->config); + + if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0) + /* + * config_with_options() normally returns only + * zero, as most errors are fatal, and + * non-fatal potential errors are guarded by "if" + * statements that are entered only when no error is + * possible. + * + * If we ever encounter a non-fatal error, it means + * something went really wrong and we should stop + * immediately. + */ + die(_("unknown error occurred while reading the configuration files")); +} + +static void git_config_check_init(struct repository *repo) { - if (the_config_set.hash_initialized) + if (repo->config && repo->config->hash_initialized) return; - git_configset_init(&the_config_set); - git_config_raw(config_set_callback, &the_config_set); + repo_read_config(repo); } -void git_config_clear(void) +static void repo_config_clear(struct repository *repo) { - if (!the_config_set.hash_initialized) + if (!repo->config || !repo->config->hash_initialized) return; - git_configset_clear(&the_config_set); + git_configset_clear(repo->config); } -int git_config_get_value(const char *key, const char **value) +void repo_config(struct repository *repo, config_fn_t fn, void *data) { - git_config_check_init(); - return git_configset_get_value(&the_config_set, key, value); + git_config_check_init(repo); + configset_iter(repo->config, fn, data); } -const struct string_list *git_config_get_value_multi(const char *key) +int repo_config_get_value(struct repository *repo, + const char *key, const char **value) { - git_config_check_init(); - return git_configset_get_value_multi(&the_config_set, key); + git_config_check_init(repo); + return git_configset_get_value(repo->config, key, value); } -int git_config_get_string_const(const char *key, const char **dest) +const struct string_list *repo_config_get_value_multi(struct repository *repo, + const char *key) +{ + git_config_check_init(repo); + return git_configset_get_value_multi(repo->config, key); +} + +int repo_config_get_string_const(struct repository *repo, + const char *key, const char **dest) +{ + int ret; + git_config_check_init(repo); + ret = git_configset_get_string_const(repo->config, key, dest); + if (ret < 0) + git_die_config(key, NULL); + return ret; +} + +int repo_config_get_string(struct repository *repo, + const char *key, char **dest) +{ + git_config_check_init(repo); + return repo_config_get_string_const(repo, key, (const char **)dest); +} + +int repo_config_get_int(struct repository *repo, + const char *key, int *dest) +{ + git_config_check_init(repo); + return git_configset_get_int(repo->config, key, dest); +} + +int repo_config_get_ulong(struct repository *repo, + const char *key, unsigned long *dest) +{ + git_config_check_init(repo); + return git_configset_get_ulong(repo->config, key, dest); +} + +int repo_config_get_bool(struct repository *repo, + const char *key, int *dest) +{ + git_config_check_init(repo); + return git_configset_get_bool(repo->config, key, dest); +} + +int repo_config_get_bool_or_int(struct repository *repo, + const char *key, int *is_bool, int *dest) +{ + git_config_check_init(repo); + return git_configset_get_bool_or_int(repo->config, key, is_bool, dest); +} + +int repo_config_get_maybe_bool(struct repository *repo, + const char *key, int *dest) +{ + git_config_check_init(repo); + return git_configset_get_maybe_bool(repo->config, key, dest); +} + +int repo_config_get_pathname(struct repository *repo, + const char *key, const char **dest) { int ret; - git_config_check_init(); - ret = git_configset_get_string_const(&the_config_set, key, dest); + git_config_check_init(repo); + ret = git_configset_get_pathname(repo->config, key, dest); if (ret < 0) git_die_config(key, NULL); return ret; } +/* Functions used historically to read configuration from 'the_repository' */ +void git_config(config_fn_t fn, void *data) +{ + repo_config(the_repository, fn, data); +} + +void git_config_clear(void) +{ + repo_config_clear(the_repository); +} + +int git_config_get_value(const char *key, const char **value) +{ + return repo_config_get_value(the_repository, key, value); +} + +const struct string_list *git_config_get_value_multi(const char *key) +{ + return repo_config_get_value_multi(the_repository, key); +} + +int git_config_get_string_const(const char *key, const char **dest) +{ + return repo_config_get_string_const(the_repository, key, dest); +} + int git_config_get_string(const char *key, char **dest) { - git_config_check_init(); - return git_config_get_string_const(key, (const char **)dest); + return repo_config_get_string(the_repository, key, dest); } int git_config_get_int(const char *key, int *dest) { - git_config_check_init(); - return git_configset_get_int(&the_config_set, key, dest); + return repo_config_get_int(the_repository, key, dest); } int git_config_get_ulong(const char *key, unsigned long *dest) { - git_config_check_init(); - return git_configset_get_ulong(&the_config_set, key, dest); + return repo_config_get_ulong(the_repository, key, dest); } int git_config_get_bool(const char *key, int *dest) { - git_config_check_init(); - return git_configset_get_bool(&the_config_set, key, dest); + return repo_config_get_bool(the_repository, key, dest); } int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) { - git_config_check_init(); - return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); + return repo_config_get_bool_or_int(the_repository, key, is_bool, dest); } int git_config_get_maybe_bool(const char *key, int *dest) { - git_config_check_init(); - return git_configset_get_maybe_bool(&the_config_set, key, dest); + return repo_config_get_maybe_bool(the_repository, key, dest); } int git_config_get_pathname(const char *key, const char **dest) { - int ret; - git_config_check_init(); - ret = git_configset_get_pathname(&the_config_set, key, dest); - if (ret < 0) - git_die_config(key, NULL); - return ret; + 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) @@ -1965,13 +2078,35 @@ int git_config_get_expiry(const char *key, const char **output) if (ret) return ret; if (strcmp(*output, "now")) { - unsigned long now = approxidate("now"); + timestamp_t now = approxidate("now"); if (approxidate(*output) >= now) git_die_config(key, _("Invalid %s: '%s'"), key, *output); } return ret; } +int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now) +{ + char *expiry_string; + intmax_t days; + timestamp_t when; + + if (git_config_get_string(key, &expiry_string)) + return 1; /* no such thing */ + + if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) { + const int scale = 86400; + *expiry = now - days * scale; + return 0; + } + + if (!parse_expiry_date(expiry_string, &when)) { + *expiry = when; + return 0; + } + return -1; /* thing exists but cannot be parsed */ +} + int git_config_get_untracked_cache(void) { int val = -1; @@ -2061,7 +2196,7 @@ static struct { size_t *offset; unsigned int offset_alloc; enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; - int seen; + unsigned int seen; } store; static int matches(const char *key, const char *value) @@ -2153,10 +2288,10 @@ static int write_error(const char *filename) return 4; } -static int store_write_section(int fd, const char *key) +static struct strbuf store_create_section(const char *key) { const char *dot; - int i, success; + int i; struct strbuf sb = STRBUF_INIT; dot = memchr(key, '.', store.baselen); @@ -2172,15 +2307,24 @@ static int store_write_section(int fd, const char *key) strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); } - success = write_in_full(fd, sb.buf, sb.len) == sb.len; + return sb; +} + +static ssize_t write_section(int fd, const char *key) +{ + struct strbuf sb = store_create_section(key); + ssize_t ret; + + ret = write_in_full(fd, sb.buf, sb.len) == sb.len; strbuf_release(&sb); - return success; + return ret; } -static int store_write_pair(int fd, const char *key, const char *value) +static ssize_t write_pair(int fd, const char *key, const char *value) { - int i, success; + int i; + ssize_t ret; int length = strlen(key + store.baselen + 1); const char *quote = ""; struct strbuf sb = STRBUF_INIT; @@ -2214,16 +2358,17 @@ static int store_write_pair(int fd, const char *key, const char *value) case '"': case '\\': strbuf_addch(&sb, '\\'); + /* fallthrough */ default: strbuf_addch(&sb, value[i]); break; } strbuf_addf(&sb, "%s\n", quote); - success = write_in_full(fd, sb.buf, sb.len) == sb.len; + ret = write_in_full(fd, sb.buf, sb.len); strbuf_release(&sb); - return success; + return ret; } static ssize_t find_beginning_of_line(const char *contents, size_t size, @@ -2306,7 +2451,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, { int fd = -1, in_fd = -1; int ret; - struct lock_file *lock = NULL; + struct lock_file lock = LOCK_INIT; char *filename_buf = NULL; char *contents = NULL; size_t contents_sz; @@ -2325,8 +2470,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, * The lock serves a purpose in addition to locking: the new * contents of .git/config will be written into it. */ - lock = xcalloc(1, sizeof(struct lock_file)); - fd = hold_lock_file_for_update(lock, config_filename, 0); + 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); @@ -2353,8 +2497,8 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, } store.key = (char *)key; - if (!store_write_section(fd, key) || - !store_write_pair(fd, key, value)) + if (write_section(fd, key) < 0 || + write_pair(fd, key, value) < 0) goto write_err_out; } else { struct stat st; @@ -2439,8 +2583,8 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, close(in_fd); in_fd = -1; - if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { - error_errno("chmod on %s failed", get_lock_file_path(lock)); + if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { + error_errno("chmod on %s failed", get_lock_file_path(&lock)); ret = CONFIG_NO_WRITE; goto out_free; } @@ -2464,11 +2608,10 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, /* write the first part of the config */ if (copy_end > copy_begin) { if (write_in_full(fd, contents + copy_begin, - copy_end - copy_begin) < - copy_end - copy_begin) + copy_end - copy_begin) < 0) goto write_err_out; if (new_line && - write_str_in_full(fd, "\n") != 1) + write_str_in_full(fd, "\n") < 0) goto write_err_out; } copy_begin = store.offset[i]; @@ -2477,46 +2620,36 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, /* write the pair (value == NULL means unset) */ if (value != NULL) { if (store.state == START) { - if (!store_write_section(fd, key)) + if (write_section(fd, key) < 0) goto write_err_out; } - if (!store_write_pair(fd, key, value)) + if (write_pair(fd, key, value) < 0) goto write_err_out; } /* write the rest of the config */ if (copy_begin < contents_sz) if (write_in_full(fd, contents + copy_begin, - contents_sz - copy_begin) < - contents_sz - copy_begin) + contents_sz - copy_begin) < 0) goto write_err_out; munmap(contents, contents_sz); contents = NULL; } - if (commit_lock_file(lock) < 0) { + if (commit_lock_file(&lock) < 0) { error_errno("could not write config file %s", config_filename); ret = CONFIG_NO_WRITE; - lock = NULL; goto out_free; } - /* - * lock is committed, so don't try to roll it back below. - * NOTE: Since lockfile.c keeps a linked list of all created - * lock_file structures, it isn't safe to free(lock). It's - * better to just leave it hanging around. - */ - lock = NULL; ret = 0; /* Invalidate the config cache */ git_config_clear(); out_free: - if (lock) - rollback_lock_file(lock); + rollback_lock_file(&lock); free(filename_buf); if (contents) munmap(contents, contents_sz); @@ -2525,7 +2658,7 @@ out_free: return ret; write_err_out: - ret = write_error(get_lock_file_path(lock)); + ret = write_error(get_lock_file_path(&lock)); goto out_free; } @@ -2613,16 +2746,17 @@ static int section_name_is_ok(const char *name) } /* if new_name == NULL, the section is removed instead */ -int git_config_rename_section_in_file(const char *config_filename, - const char *old_name, const char *new_name) +static int git_config_copy_or_rename_section_in_file(const char *config_filename, + const char *old_name, const char *new_name, int copy) { int ret = 0, remove = 0; char *filename_buf = NULL; struct lock_file *lock; int out_fd; char buf[1024]; - FILE *config_file; + FILE *config_file = NULL; struct stat st; + struct strbuf copystr = STRBUF_INIT; if (new_name && !section_name_is_ok(new_name)) { ret = error("invalid section name: %s", new_name); @@ -2640,6 +2774,9 @@ int git_config_rename_section_in_file(const char *config_filename, } if (!(config_file = fopen(config_filename, "rb"))) { + ret = warn_on_fopen_errors(config_filename); + if (ret) + goto out; /* no config file means nothing to rename, no error */ goto commit_and_out; } @@ -2658,12 +2795,30 @@ int git_config_rename_section_in_file(const char *config_filename, while (fgets(buf, sizeof(buf), config_file)) { int i; int length; + int is_section = 0; char *output = buf; for (i = 0; buf[i] && isspace(buf[i]); i++) ; /* do nothing */ if (buf[i] == '[') { /* it's a section */ - int offset = section_name_match(&buf[i], old_name); + int offset; + is_section = 1; + + /* + * When encountering a new section under -c we + * need to flush out any section we're already + * coping and begin anew. There might be + * multiple [branch "$name"] sections. + */ + if (copystr.len > 0) { + if (write_in_full(out_fd, copystr.buf, copystr.len) != copystr.len) { + ret = write_error(get_lock_file_path(lock)); + goto out; + } + strbuf_reset(©str); + } + + offset = section_name_match(&buf[i], old_name); if (offset > 0) { ret++; if (new_name == NULL) { @@ -2671,25 +2826,29 @@ int git_config_rename_section_in_file(const char *config_filename, continue; } store.baselen = strlen(new_name); - if (!store_write_section(out_fd, new_name)) { - ret = write_error(get_lock_file_path(lock)); - goto out; - } - /* - * We wrote out the new section, with - * a newline, now skip the old - * section's length - */ - output += offset + i; - if (strlen(output) > 0) { + if (!copy) { + if (write_section(out_fd, new_name) < 0) { + ret = write_error(get_lock_file_path(lock)); + goto out; + } /* - * More content means there's - * a declaration to put on the - * next line; indent with a - * tab + * We wrote out the new section, with + * a newline, now skip the old + * section's length */ - output -= 1; - output[0] = '\t'; + 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'; + } + } else { + copystr = store_create_section(new_name); } } remove = 0; @@ -2697,28 +2856,69 @@ int git_config_rename_section_in_file(const char *config_filename, if (remove) continue; length = strlen(output); - if (write_in_full(out_fd, output, length) != length) { + + if (!is_section && copystr.len > 0) { + strbuf_add(©str, output, length); + } + + if (write_in_full(out_fd, output, length) < 0) { ret = write_error(get_lock_file_path(lock)); goto out; } } + + /* + * Copy a trailing section at the end of the config, won't be + * flushed by the usual "flush because we have a new section + * logic in the loop above. + */ + if (copystr.len > 0) { + if (write_in_full(out_fd, copystr.buf, copystr.len) != copystr.len) { + ret = write_error(get_lock_file_path(lock)); + goto out; + } + strbuf_reset(©str); + } + fclose(config_file); + config_file = NULL; commit_and_out: if (commit_lock_file(lock) < 0) ret = error_errno("could not write config file %s", config_filename); out: + if (config_file) + fclose(config_file); rollback_lock_file(lock); out_no_rollback: free(filename_buf); return ret; } +int git_config_rename_section_in_file(const char *config_filename, + const char *old_name, const char *new_name) +{ + return git_config_copy_or_rename_section_in_file(config_filename, + old_name, new_name, 0); +} + int git_config_rename_section(const char *old_name, const char *new_name) { return git_config_rename_section_in_file(NULL, old_name, new_name); } +int git_config_copy_section_in_file(const char *config_filename, + const char *old_name, const char *new_name) +{ + return git_config_copy_or_rename_section_in_file(config_filename, + old_name, new_name, 1); +} + +int git_config_copy_section(const char *old_name, const char *new_name) +{ + return git_config_copy_section_in_file(NULL, old_name, new_name); +} + /* * Call this to report error for your variable that should not * get a boolean value (i.e. "[my] var" means "true"). |