Alternate refs backends might still use files to store per-worktree
refs. So the files backend's ref-loading infrastructure should be
available to those backends, just for use on per-worktree refs. Add
do_for_each_per_worktree_ref, which iterates over per-worktree refs.
Signed-off-by: David Turner <dtur...@twopensource.com>
---
refs/files-backend.c | 16 ++++++++++++++++
refs/refs-internal.h | 7 +++++++
2 files changed, 23 insertions(+)
diff --git a/refs/files-backend.c b/refs/files-backend.c
index db9e948..d315f40 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -565,6 +565,10 @@ static int do_one_ref(struct ref_entry *entry, void
*cb_data)
struct ref_entry *old_current_ref;
int retval;
+ if (data->flags & DO_FOR_EACH_PER_WORKTREE_ONLY &&
+ ref_type(entry->name) != REF_TYPE_PER_WORKTREE)
+ return 0;
+
if (!starts_with(entry->name, data->base))
return 0;
@@ -1701,6 +1705,18 @@ static int files_do_for_each_ref(const char *submodule,
const char *base,
return do_for_each_entry(refs, base, do_one_ref, &data);
}
+int do_for_each_per_worktree_ref(const char *submodule, const char *base,
+ each_ref_fn fn, int trim, int flags,
+ void *cb_data)
+{
+ /*
+ * It's important that this one use the files backend, since
+ * that's what controls the per-worktree refs
+ */
+ return files_do_for_each_ref(submodule, base, fn, trim,
+ flags | DO_FOR_EACH_PER_WORKTREE_ONLY,
cb_data);
+}
+
static void unlock_ref(struct ref_lock *lock)
{
/* Do not free lock->lk -- atexit() still looks at them */
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index 3702737..bb0d588 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -203,6 +203,13 @@ int rename_ref_available(const char *oldname, const char
*newname);
/* Include broken references in a do_for_each_ref*() iteration: */
#define DO_FOR_EACH_INCLUDE_BROKEN 0x01
+/* Only include per-worktree refs in a do_for_each_ref*() iteration */
+#define DO_FOR_EACH_PER_WORKTREE_ONLY 0x02
+
+int do_for_each_per_worktree_ref(const char *submodule, const char *base,
+ each_ref_fn fn, int trim, int flags,
+ void *cb_data);
+
/* refs backends */
typedef int ref_transaction_commit_fn(struct ref_transaction *transaction,
struct strbuf *err);
--
2.4.2.767.g62658d5-twtrsrc
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