completion: offer ctags symbol names for 'git log -S', '-G' and '-L:'

diff --git a/refs.c b/refs.c
index abc721b607cd8ff4916cce7f8381521fbb58fb5d..cd36b64ed93f821936fd7ffb68e60ce384119898 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -638,12 +638,17 @@ int copy_reflog_msg(char *buf, const char *msg)
 
 int should_autocreate_reflog(const char *refname)
 {
-       if (!log_all_ref_updates)
+       switch (log_all_ref_updates) {
+       case LOG_REFS_ALWAYS:
+               return 1;
+       case LOG_REFS_NORMAL:
+               return starts_with(refname, "refs/heads/") ||
+                       starts_with(refname, "refs/remotes/") ||
+                       starts_with(refname, "refs/notes/") ||
+                       !strcmp(refname, "HEAD");
+       default:
                return 0;
-       return starts_with(refname, "refs/heads/") ||
-               starts_with(refname, "refs/remotes/") ||
-               starts_with(refname, "refs/notes/") ||
-               !strcmp(refname, "HEAD");
+       }
 }
 
 int is_branch(const char *refname)
@@ -816,8 +821,7 @@ struct ref_update *ref_transaction_add_update(
                hashcpy(update->new_sha1, new_sha1);
        if (flags & REF_HAVE_OLD)
                hashcpy(update->old_sha1, old_sha1);
-       if (msg)
-               update->msg = xstrdup(msg);
+       update->msg = xstrdup_or_null(msg);
        return update;
 }