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 <dturner@xxxxxxxxxxxxxxxx>
---
refs/files-backend.c | 15 ++++++++++++---
refs/refs-internal.h | 10 ++++++++++
2 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/refs/files-backend.c b/refs/files-backend.c
index b35dece..1c9401f 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -518,9 +518,6 @@ static void sort_ref_dir(struct ref_dir *dir)
dir->sorted = dir->nr = i;
}
-/* Include broken references in a do_for_each_ref*() iteration: */
-#define DO_FOR_EACH_INCLUDE_BROKEN 0x01
-
/*
* Return true iff the reference described by entry can be resolved to
* an object in the database. Emit a warning if the referred-to
@@ -568,6 +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;
@@ -1738,6 +1739,14 @@ static int do_for_each_ref(struct ref_cache *refs, 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)
+{
+ return do_for_each_ref(get_ref_cache(submodule), base, fn, trim,
+ flags | DO_FOR_EACH_PER_WORKTREE_ONLY, cb_data);
+}
+
static int do_head_ref(const char *submodule, each_ref_fn fn, void *cb_data)
{
struct object_id oid;
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index cd338f9..2431579 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -42,6 +42,16 @@
* value to ref_update::flags
*/
+/* 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);
+
/*
* Return true iff refname is minimally safe. "Safe" here means that
* deleting a loose reference by this name will not do any damage, for
--
2.4.2.749.g730654d-twtrsrc
--
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