make function variables local

Signed-off-by: martin f. krafft <madduck@madduck.net>

diff --git a/lib/git-fake-bare b/lib/git-fake-bare
index 341b3690e2020f3768acf9f80b9b34272a56b1e4..13b2f1004255bb5f6d1cf1f19610f44ab208ab3c 100644 (file)
--- a/lib/git-fake-bare
+++ b/lib/git-fake-bare
@@ -16,9 +16,9 @@ lib =
        # git doesn't have an easy way to check out such a repo, so
        # do it by hand
        git_fake_bare_checkout() {
-               url="$1"
-               repo="$2"
-               worktree="$3"
+               local url; url="$1"
+               local repo; repo="$2"
+               local worktree; worktree="$3"
                git clone --no-checkout "$url" "$repo"
                cd "$repo"
                mkdir -p "$worktree"