git-bisect: modernize branch shuffling hack

diff --git a/git-bisect.sh b/git-bisect.sh
index 4b74a7bb421e35627bf749316027707237210e7a..dae8a8e9806040bd396692f118f3887f5f043ed1 100755 (executable)
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -316,10 +316,9 @@ bisect_next() {
        exit_if_skipped_commits "$bisect_rev"
 
        echo "Bisecting: $bisect_nr revisions left to test after this"
-       echo "$bisect_rev" >"$GIT_DIR/refs/heads/new-bisect"
+       git branch -f new-bisect "$bisect_rev"
        git checkout -q new-bisect || exit
-       mv "$GIT_DIR/refs/heads/new-bisect" "$GIT_DIR/refs/heads/bisect" &&
-       GIT_DIR="$GIT_DIR" git symbolic-ref HEAD refs/heads/bisect
+       git branch -M new-bisect bisect
        git show-branch "$bisect_rev"
 }