scripts : allow wc2wt with an existing branch (#23189)

diff --git a/scripts/wc2wt.sh b/scripts/wc2wt.sh
index 157881b458f041394e1810860ef780edc1a6afcc..b6e92f86934180ccc251cd13b248113a96d3fe54 100755 (executable)
--- a/scripts/wc2wt.sh
+++ b/scripts/wc2wt.sh
@@ -37,7 +37,7 @@ dir=$(basename $(pwd))
 # sanitize branch name for directory name (replace / with -)
 dir_suffix=$(echo "$BRANCH" | tr '/' '-')
 
-git worktree add -b "$BRANCH" "../$dir-$dir_suffix" HEAD
+git worktree add "../$dir-$dir_suffix" "$BRANCH" || git worktree add -b "$BRANCH" "../$dir-$dir_suffix" HEAD
 
 og_path=$(pwd)
 wt_path=$(cd "../$dir-$dir_suffix" && pwd)