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-rw-r--r--config.c553
1 files changed, 386 insertions, 167 deletions
diff --git a/config.c b/config.c
index f0511e58e..e617c2018 100644
--- a/config.c
+++ b/config.c
@@ -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;
}
@@ -920,7 +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;
@@ -937,9 +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))
@@ -949,7 +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;
@@ -982,6 +990,16 @@ int git_config_pathname(const char **dest, const char *var, const char *value)
return 0;
}
+int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value)
+{
+ if (!value)
+ return config_error_nonbool(var);
+ if (parse_expiry_date(value, timestamp))
+ return error(_("'%s' for '%s' is not a valid timestamp"),
+ value, var);
+ return 0;
+}
+
static int git_default_core_config(const char *var, const char *value)
{
/* This needs a better name */
@@ -1423,7 +1441,7 @@ 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);
@@ -1452,9 +1470,9 @@ 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;
@@ -1462,7 +1480,7 @@ 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) {
@@ -1480,11 +1498,11 @@ 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)
@@ -1530,10 +1548,8 @@ 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;
@@ -1564,9 +1580,9 @@ 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;
@@ -1592,26 +1608,6 @@ 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;
@@ -1638,11 +1634,13 @@ 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
@@ -1652,20 +1650,15 @@ 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)
@@ -1731,15 +1724,20 @@ 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;
@@ -1860,7 +1858,7 @@ 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;
@@ -1877,87 +1875,211 @@ 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)
{
- if (the_config_set.hash_initialized)
+ 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 (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)
@@ -1966,13 +2088,35 @@ 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;
@@ -2022,6 +2166,20 @@ int git_config_get_max_percent_split_change(void)
return -1; /* default value */
}
+int git_config_get_fsmonitor(void)
+{
+ if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor))
+ core_fsmonitor = getenv("GIT_FSMONITOR_TEST");
+
+ if (core_fsmonitor && !*core_fsmonitor)
+ core_fsmonitor = NULL;
+
+ if (core_fsmonitor)
+ return 1;
+
+ return 0;
+}
+
NORETURN
void git_die_config_linenr(const char *key, const char *filename, int linenr)
{
@@ -2062,7 +2220,7 @@ 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)
@@ -2154,10 +2312,10 @@ 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);
@@ -2173,15 +2331,24 @@ 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);
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;
@@ -2215,16 +2382,17 @@ 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,
@@ -2307,7 +2475,7 @@ 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;
@@ -2326,8 +2494,7 @@ 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);
@@ -2354,8 +2521,8 @@ 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;
@@ -2440,8 +2607,8 @@ 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;
}
@@ -2465,11 +2632,10 @@ 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];
@@ -2478,46 +2644,36 @@ 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);
@@ -2526,7 +2682,7 @@ 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;
}
@@ -2614,16 +2770,17 @@ 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;
+ struct lock_file lock = LOCK_INIT;
int out_fd;
char buf[1024];
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);
@@ -2633,14 +2790,16 @@ int git_config_rename_section_in_file(const char *config_filename,
if (!config_filename)
config_filename = filename_buf = git_pathdup("config");
- lock = xcalloc(1, sizeof(struct lock_file));
- out_fd = hold_lock_file_for_update(lock, config_filename, 0);
+ out_fd = hold_lock_file_for_update(&lock, config_filename, 0);
if (out_fd < 0) {
ret = error("could not lock config file %s", config_filename);
goto out;
}
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;
}
@@ -2650,21 +2809,39 @@ int git_config_rename_section_in_file(const char *config_filename,
goto out;
}
- if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) {
+ if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
ret = error_errno("chmod on %s failed",
- get_lock_file_path(lock));
+ get_lock_file_path(&lock));
goto out;
}
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) < 0) {
+ ret = write_error(get_lock_file_path(&lock));
+ goto out;
+ }
+ strbuf_reset(&copystr);
+ }
+
+ offset = section_name_match(&buf[i], old_name);
if (offset > 0) {
ret++;
if (new_name == NULL) {
@@ -2672,25 +2849,29 @@ 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;
@@ -2698,31 +2879,69 @@ 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) {
- ret = write_error(get_lock_file_path(lock));
+
+ if (!is_section && copystr.len > 0) {
+ strbuf_add(&copystr, 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) < 0) {
+ ret = write_error(get_lock_file_path(&lock));
goto out;
}
+ strbuf_reset(&copystr);
}
+
fclose(config_file);
config_file = NULL;
commit_and_out:
- if (commit_lock_file(lock) < 0)
+ 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);
+ 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").
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-11 04:03:06 +0000