head=$(GIT_DIR="$GIT_DIR" git symbolic-ref -q HEAD) ||
head=$(GIT_DIR="$GIT_DIR" git rev-parse --verify HEAD) ||
die "Bad HEAD - I need a HEAD"
+ #
+ # Check that we either already have BISECT_START, or that the
+ # branches bisect, new-bisect don't exist, to not override them.
+ #
+ test -s "$GIT_DIR/BISECT_START" ||
+ if git show-ref --verify -q refs/heads/bisect ||
+ git show-ref --verify -q refs/heads/new-bisect; then
+ die 'The branches "bisect" and "new-bisect" must not exist.'
+ fi
start_head=''
case "$head" in
refs/heads/bisect)
- if [ -s "$GIT_DIR/BISECT_START" ]; then
- branch=`cat "$GIT_DIR/BISECT_START"`
- else
- branch=master
- fi
- git checkout $branch || exit
+ start_head=$(cat "$GIT_DIR/BISECT_START")
+ git checkout "$start_head" || exit
;;
refs/heads/*|$_x40)
# This error message should only be triggered by cogito usage,
done
sq "$@" >"$GIT_DIR/BISECT_NAMES"
- test -n "$start_head" && echo "$start_head" >"$GIT_DIR/BISECT_START"
+ echo "$start_head" >"$GIT_DIR/BISECT_START"
eval "$eval"
echo "git-bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG"
bisect_auto_next
bisect_next_check && bisect_next || :
}
+eval_rev_list() {
+ _eval="$1"
+
+ eval $_eval
+ res=$?
+
+ if [ $res -ne 0 ]; then
+ echo >&2 "'git rev-list --bisect-vars' failed:"
+ echo >&2 "maybe you mistake good and bad revs?"
+ exit $res
+ fi
+
+ return $res
+}
+
filter_skipped() {
_eval="$1"
_skip="$2"
if [ -z "$_skip" ]; then
- eval $_eval
+ eval_rev_list "$_eval"
return
fi
# Let's parse the output of:
# "git rev-list --bisect-vars --bisect-all ..."
- eval $_eval | while read hash line
+ eval_rev_list "$_eval" | while read hash line
do
case "$VARS,$FOUND,$TRIED,$hash" in
# We display some vars.
exit_if_skipped_commits "$bisect_rev"
echo "Bisecting: $bisect_nr revisions left to test after this"
- git branch -f new-bisect "$bisect_rev"
- git checkout -q new-bisect || exit
+ git branch -D new-bisect 2> /dev/null
+ git checkout -q -b new-bisect "$bisect_rev" || exit
git branch -M new-bisect bisect
git show-branch "$bisect_rev"
}
*)
usage ;;
esac
- if git checkout "$branch"; then
- # Cleanup head-name if it got left by an old version of git-bisect
- rm -f "$GIT_DIR/head-name"
- rm -f "$GIT_DIR/BISECT_START"
- bisect_clean_state
- fi
+ git checkout "$branch" && bisect_clean_state
}
bisect_clean_state() {
do
git update-ref -d $ref $hash
done
+ rm -f "$GIT_DIR/BISECT_START"
rm -f "$GIT_DIR/BISECT_LOG"
rm -f "$GIT_DIR/BISECT_NAMES"
rm -f "$GIT_DIR/BISECT_RUN"
+ # Cleanup head-name if it got left by an old version of git-bisect
+ rm -f "$GIT_DIR/head-name"
}
bisect_replay () {