Add pretend_sha1_file() interface.

diff --git a/git-bisect.sh b/git-bisect.sh
index 6da31e87a01af9b883958b3b0bae4304bfa94520..24160ec51c7a486d162eaaaa64a56fe46671ed49 100755 (executable)
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -11,6 +11,7 @@ git bisect replay <logfile>   replay bisection log
 git bisect log                 show bisect log.'
 
 . git-sh-setup
+require_work_tree
 
 sq() {
        @@PERL@@ -e '
@@ -152,7 +153,7 @@ bisect_next() {
        nr=$(eval "git-rev-list $rev $good -- $(cat $GIT_DIR/BISECT_NAMES)" | wc -l) || exit
        echo "Bisecting: $nr revisions left to test after this"
        echo "$rev" > "$GIT_DIR/refs/heads/new-bisect"
-       git checkout new-bisect || exit
+       git checkout -q new-bisect || exit
        mv "$GIT_DIR/refs/heads/new-bisect" "$GIT_DIR/refs/heads/bisect" &&
        GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD refs/heads/bisect
        git-show-branch "$rev"