worktree.c: avoid referencing to worktrees[i] multiple times

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/worktree.c b/worktree.c
index dc092a710058d20f5343eddbdb960212cde17301..927905b7a1b9f067aa4b3c34f70a0826ff4467e7 100644 (file)
--- a/worktree.c
+++ b/worktree.c
@@ -229,10 +229,12 @@ const struct worktree *find_shared_symref(const char *symref,
        worktrees = get_worktrees();
 
        for (i = 0; worktrees[i]; i++) {
+               struct worktree *wt = worktrees[i];
+
                strbuf_reset(&path);
                strbuf_reset(&sb);
                strbuf_addf(&path, "%s/%s",
-                           get_worktree_git_dir(worktrees[i]),
+                           get_worktree_git_dir(wt),
                            symref);
 
                if (parse_ref(path.buf, &sb, NULL)) {
@@ -240,7 +242,7 @@ const struct worktree *find_shared_symref(const char *symref,
                }
 
                if (!strcmp(sb.buf, target)) {
-                       existing = worktrees[i];
+                       existing = wt;
                        break;
                }
        }