delete_refs(): new function for the refs API

Move the function remove_branches() from builtin/remote.c to refs.c,
rename it to delete_refs(), and make it public.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/refs.c b/refs.c
index 9b7bdd4198..72e51a9675 100644
--- a/refs.c
+++ b/refs.c
@@ -2830,6 +2830,25 @@ int delete_ref(const char *refname, const unsigned char *old_sha1,
 	return 0;
 }
 
+int delete_refs(struct string_list *refnames)
+{
+	struct strbuf err = STRBUF_INIT;
+	int i, result = 0;
+
+	if (repack_without_refs(refnames, &err))
+		result |= error("%s", err.buf);
+	strbuf_release(&err);
+
+	for (i = 0; i < refnames->nr; i++) {
+		const char *refname = refnames->items[i].string;
+
+		if (delete_ref(refname, NULL, 0))
+			result |= error(_("Could not remove branch %s"), refname);
+	}
+
+	return result;
+}
+
 /*
  * People using contrib's git-new-workdir have .git/logs/refs ->
  * /some/other/path/.git/logs/refs, and that may live on another device.