reflog: add a convenience append function

Provide a function that reads a reflog, performs an append and writes back to the
backend in one call.

1 files changed, 19 insertions, 0 deletions

diff --git a/src/reflog.c b/src/reflog.c
index c10ae9fd4..923d5a32d 100644
--- a/src/reflog.c
+++ b/src/reflog.c
@@ -158,3 +158,22 @@ int git_reflog_drop(
 	db = reflog->db;
 	return db->backend->reflog_drop(db->backend, reflog, idx, rewrite_previous_entry);
 }
+
+int git_reflog_append_to(git_repository *repo, const char *name, const git_oid *id,
+			 const git_signature *committer, const char *msg)
+{
+	int error;
+	git_reflog *reflog;
+
+	if ((error = git_reflog_read(&reflog, repo, name)) < 0)
+		return error;
+
+	if ((error = git_reflog_append(reflog, id, committer, msg)) < 0)
+		goto cleanup;
+
+	error = git_reflog_write(reflog);
+
+cleanup:
+	git_reflog_free(reflog);
+	return error;
+}