bisect: allow starting with a detached HEAD

Instead of insisting on a symbolic ref, bisect now accepts detached
HEADs, too.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2008-02-10 13:59:50 +00:00 committed by Junio C Hamano
parent 473d33168b
commit ce32660edc
2 changed files with 18 additions and 2 deletions

View File

@ -26,6 +26,9 @@ OPTIONS_SPEC=
. git-sh-setup
require_work_tree
_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
sq() {
@@PERL@@ -e '
for (@ARGV) {
@ -60,7 +63,8 @@ bisect_start() {
# top-of-line master first!
#
head=$(GIT_DIR="$GIT_DIR" git symbolic-ref HEAD) ||
die "Bad HEAD - I need a symbolic ref"
head=$(GIT_DIR="$GIT_DIR" git rev-parse --verify HEAD) ||
die "Bad HEAD - I need a HEAD"
case "$head" in
refs/heads/bisect)
if [ -s "$GIT_DIR/head-name" ]; then
@ -70,7 +74,7 @@ bisect_start() {
fi
git checkout $branch || exit
;;
refs/heads/*)
refs/heads/*|$_x40)
[ -s "$GIT_DIR/head-name" ] && die "won't bisect on seeked tree"
echo "${head#refs/heads/}" >"$GIT_DIR/head-name"
;;

View File

@ -254,6 +254,18 @@ test_expect_success 'bisect run & skip: find first bad' '
grep "$HASH6 is first bad commit" my_bisect_log.txt
'
test_expect_success 'bisect starting with a detached HEAD' '
git bisect reset &&
git checkout master^ &&
HEAD=$(git rev-parse --verify HEAD) &&
git bisect start &&
test $HEAD = $(cat .git/head-name) &&
git bisect reset &&
test $HEAD = $(git rev-parse --verify HEAD)
'
#
#
test_done