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-rw-r--r--refs/files-backend.c71
1 files changed, 45 insertions, 26 deletions
diff --git a/refs/files-backend.c b/refs/files-backend.c
index dd8abe9185..63e55e6773 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -215,6 +215,33 @@ static void files_ref_path(struct files_ref_store *refs,
}
/*
+ * Manually add refs/bisect, refs/rewritten and refs/worktree, which, being
+ * per-worktree, might not appear in the directory listing for
+ * refs/ in the main repo.
+ */
+static void add_per_worktree_entries_to_dir(struct ref_dir *dir, const char *dirname)
+{
+ const char *prefixes[] = { "refs/bisect/", "refs/worktree/", "refs/rewritten/" };
+ int ip;
+
+ if (strcmp(dirname, "refs/"))
+ return;
+
+ for (ip = 0; ip < ARRAY_SIZE(prefixes); ip++) {
+ const char *prefix = prefixes[ip];
+ int prefix_len = strlen(prefix);
+ struct ref_entry *child_entry;
+ int pos;
+
+ pos = search_ref_dir(dir, prefix, prefix_len);
+ if (pos >= 0)
+ continue;
+ child_entry = create_dir_entry(dir->cache, prefix, prefix_len, 1);
+ add_entry_to_dir(dir, child_entry);
+ }
+}
+
+/*
* Read the loose references from the namespace dirname into dir
* (without recursing). dirname must end with '/'. dir must be the
* directory entry corresponding to dirname.
@@ -297,28 +324,7 @@ static void loose_fill_ref_dir(struct ref_store *ref_store,
strbuf_release(&path);
closedir(d);
- /*
- * Manually add refs/bisect and refs/worktree, which, being
- * per-worktree, might not appear in the directory listing for
- * refs/ in the main repo.
- */
- if (!strcmp(dirname, "refs/")) {
- int pos = search_ref_dir(dir, "refs/bisect/", 12);
-
- if (pos < 0) {
- struct ref_entry *child_entry = create_dir_entry(
- dir->cache, "refs/bisect/", 12, 1);
- add_entry_to_dir(dir, child_entry);
- }
-
- pos = search_ref_dir(dir, "refs/worktree/", 11);
-
- if (pos < 0) {
- struct ref_entry *child_entry = create_dir_entry(
- dir->cache, "refs/worktree/", 11, 1);
- add_entry_to_dir(dir, child_entry);
- }
- }
+ add_per_worktree_entries_to_dir(dir, dirname);
}
static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs)
@@ -2254,8 +2260,7 @@ static int split_head_update(struct ref_update *update,
* Note that the new update will itself be subject to splitting when
* the iteration gets to it.
*/
-static int split_symref_update(struct files_ref_store *refs,
- struct ref_update *update,
+static int split_symref_update(struct ref_update *update,
const char *referent,
struct ref_transaction *transaction,
struct string_list *affected_refnames,
@@ -2449,7 +2454,7 @@ static int lock_ref_for_update(struct files_ref_store *refs,
* of processing the split-off update, so we
* don't have to do it here.
*/
- ret = split_symref_update(refs, update,
+ ret = split_symref_update(update,
referent.buf, transaction,
affected_refnames, err);
if (ret)
@@ -2696,18 +2701,32 @@ static int files_transaction_prepare(struct ref_store *ref_store,
if (is_packed_transaction_needed(refs->packed_ref_store,
packed_transaction)) {
ret = ref_transaction_prepare(packed_transaction, err);
+ /*
+ * A failure during the prepare step will abort
+ * itself, but not free. Do that now, and disconnect
+ * from the files_transaction so it does not try to
+ * abort us when we hit the cleanup code below.
+ */
+ if (ret) {
+ ref_transaction_free(packed_transaction);
+ backend_data->packed_transaction = NULL;
+ }
} else {
/*
* We can skip rewriting the `packed-refs`
* file. But we do need to leave it locked, so
* that somebody else doesn't pack a reference
* that we are trying to delete.
+ *
+ * We need to disconnect our transaction from
+ * backend_data, since the abort (whether successful or
+ * not) will free it.
*/
+ backend_data->packed_transaction = NULL;
if (ref_transaction_abort(packed_transaction, err)) {
ret = TRANSACTION_GENERIC_ERROR;
goto cleanup;
}
- backend_data->packed_transaction = NULL;
}
}