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Diffstat (limited to 'refs/files-backend.c')
-rw-r--r--refs/files-backend.c141
1 files changed, 119 insertions, 22 deletions
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 324c59b096..44c5c3b201 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -323,19 +323,15 @@ static void loose_fill_ref_dir(struct ref_store *ref_store,
add_per_worktree_entries_to_dir(dir, dirname);
}
-/*
- * Add pseudorefs to the ref dir by parsing the directory for any files
- * which follow the pseudoref syntax.
- */
-static void add_pseudoref_and_head_entries(struct ref_store *ref_store,
- struct ref_dir *dir,
- const char *dirname)
+static int for_each_root_ref(struct files_ref_store *refs,
+ int (*cb)(const char *refname, void *cb_data),
+ void *cb_data)
{
- struct files_ref_store *refs =
- files_downcast(ref_store, REF_STORE_READ, "fill_ref_dir");
struct strbuf path = STRBUF_INIT, refname = STRBUF_INIT;
+ const char *dirname = refs->loose->root->name;
struct dirent *de;
size_t dirnamelen;
+ int ret;
DIR *d;
files_ref_path(refs, &path, dirname);
@@ -343,7 +339,7 @@ static void add_pseudoref_and_head_entries(struct ref_store *ref_store,
d = opendir(path.buf);
if (!d) {
strbuf_release(&path);
- return;
+ return -1;
}
strbuf_addstr(&refname, dirname);
@@ -359,14 +355,49 @@ static void add_pseudoref_and_head_entries(struct ref_store *ref_store,
strbuf_addstr(&refname, de->d_name);
dtype = get_dtype(de, &path, 1);
- if (dtype == DT_REG && is_root_ref(de->d_name))
- loose_fill_ref_dir_regular_file(refs, refname.buf, dir);
+ if (dtype == DT_REG && is_root_ref(de->d_name)) {
+ ret = cb(refname.buf, cb_data);
+ if (ret)
+ goto done;
+ }
strbuf_setlen(&refname, dirnamelen);
}
+
+ ret = 0;
+
+done:
strbuf_release(&refname);
strbuf_release(&path);
closedir(d);
+ return ret;
+}
+
+struct fill_root_ref_data {
+ struct files_ref_store *refs;
+ struct ref_dir *dir;
+};
+
+static int fill_root_ref(const char *refname, void *cb_data)
+{
+ struct fill_root_ref_data *data = cb_data;
+ loose_fill_ref_dir_regular_file(data->refs, refname, data->dir);
+ return 0;
+}
+
+/*
+ * Add root refs to the ref dir by parsing the directory for any files which
+ * follow the root ref syntax.
+ */
+static void add_root_refs(struct files_ref_store *refs,
+ struct ref_dir *dir)
+{
+ struct fill_root_ref_data data = {
+ .refs = refs,
+ .dir = dir,
+ };
+
+ for_each_root_ref(refs, fill_root_ref, &data);
}
static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs,
@@ -388,8 +419,7 @@ static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs,
dir = get_ref_dir(refs->loose->root);
if (flags & DO_FOR_EACH_INCLUDE_ROOT_REFS)
- add_pseudoref_and_head_entries(dir->cache->ref_store, dir,
- refs->loose->root->name);
+ add_root_refs(refs, dir);
/*
* Add an incomplete entry for "refs/" (to be filled
@@ -1752,6 +1782,9 @@ static int files_log_ref_write(struct files_ref_store *refs,
{
int logfd, result;
+ if (flags & REF_SKIP_CREATE_REFLOG)
+ return 0;
+
if (log_all_ref_updates == LOG_REFS_UNSET)
log_all_ref_updates = is_bare_repository() ? LOG_REFS_NONE : LOG_REFS_NORMAL;
@@ -2253,6 +2286,7 @@ static int split_head_update(struct ref_update *update,
struct ref_update *new_update;
if ((update->flags & REF_LOG_ONLY) ||
+ (update->flags & REF_SKIP_CREATE_REFLOG) ||
(update->flags & REF_IS_PRUNING) ||
(update->flags & REF_UPDATE_VIA_HEAD))
return 0;
@@ -2423,8 +2457,7 @@ static int lock_ref_for_update(struct files_ref_store *refs,
struct strbuf *err)
{
struct strbuf referent = STRBUF_INIT;
- int mustexist = (update->flags & REF_HAVE_OLD) &&
- !is_null_oid(&update->old_oid);
+ int mustexist = ref_update_expects_existing_old_ref(update);
int ret = 0;
struct ref_lock *lock;
@@ -2503,14 +2536,16 @@ static int lock_ref_for_update(struct files_ref_store *refs,
/*
* Even if the ref is a regular ref, if `old_target` is set, we
- * check the referent value. Ideally `old_target` should only
- * be set for symrefs, but we're strict about its usage.
+ * fail with an error.
*/
if (update->old_target) {
- if (ref_update_check_old_target(referent.buf, update, err)) {
- ret = TRANSACTION_GENERIC_ERROR;
- goto out;
- }
+ strbuf_addf(err, _("cannot lock ref '%s': "
+ "expected symref with target '%s': "
+ "but is a regular ref"),
+ ref_update_original_update_refname(update),
+ update->old_target);
+ ret = TRANSACTION_GENERIC_ERROR;
+ goto out;
} else if (check_old_oid(update, &lock->old_oid, err)) {
ret = TRANSACTION_GENERIC_ERROR;
goto out;
@@ -3310,11 +3345,73 @@ static int files_ref_store_create_on_disk(struct ref_store *ref_store,
return 0;
}
+struct remove_one_root_ref_data {
+ const char *gitdir;
+ struct strbuf *err;
+};
+
+static int remove_one_root_ref(const char *refname,
+ void *cb_data)
+{
+ struct remove_one_root_ref_data *data = cb_data;
+ struct strbuf buf = STRBUF_INIT;
+ int ret = 0;
+
+ strbuf_addf(&buf, "%s/%s", data->gitdir, refname);
+
+ ret = unlink(buf.buf);
+ if (ret < 0)
+ strbuf_addf(data->err, "could not delete %s: %s\n",
+ refname, strerror(errno));
+
+ strbuf_release(&buf);
+ return ret;
+}
+
+static int files_ref_store_remove_on_disk(struct ref_store *ref_store,
+ struct strbuf *err)
+{
+ struct files_ref_store *refs =
+ files_downcast(ref_store, REF_STORE_WRITE, "remove");
+ struct remove_one_root_ref_data data = {
+ .gitdir = refs->base.gitdir,
+ .err = err,
+ };
+ struct strbuf sb = STRBUF_INIT;
+ int ret = 0;
+
+ strbuf_addf(&sb, "%s/refs", refs->base.gitdir);
+ if (remove_dir_recursively(&sb, 0) < 0) {
+ strbuf_addf(err, "could not delete refs: %s",
+ strerror(errno));
+ ret = -1;
+ }
+ strbuf_reset(&sb);
+
+ strbuf_addf(&sb, "%s/logs", refs->base.gitdir);
+ if (remove_dir_recursively(&sb, 0) < 0) {
+ strbuf_addf(err, "could not delete logs: %s",
+ strerror(errno));
+ ret = -1;
+ }
+ strbuf_reset(&sb);
+
+ if (for_each_root_ref(refs, remove_one_root_ref, &data) < 0)
+ ret = -1;
+
+ if (ref_store_remove_on_disk(refs->packed_ref_store, err) < 0)
+ ret = -1;
+
+ strbuf_release(&sb);
+ return ret;
+}
+
struct ref_storage_be refs_be_files = {
.name = "files",
.init = files_ref_store_init,
.release = files_ref_store_release,
.create_on_disk = files_ref_store_create_on_disk,
+ .remove_on_disk = files_ref_store_remove_on_disk,
.transaction_prepare = files_transaction_prepare,
.transaction_finish = files_transaction_finish,
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-29 07:33:48 +0000