author | Junio C Hamano <gitster@pobox.com> | |
Mon, 12 May 2008 22:44:43 +0000 (15:44 -0700) | ||
committer | Junio C Hamano <gitster@pobox.com> | |
Mon, 12 May 2008 22:44:43 +0000 (15:44 -0700) |
* gp/bisect-fix:
bisect: print an error message when "git rev-list --bisect-vars" fails
git-bisect.sh: don't accidentally override existing branch "bisect"
bisect: print an error message when "git rev-list --bisect-vars" fails
git-bisect.sh: don't accidentally override existing branch "bisect"
Documentation/git-bisect.txt | patch | blob | history | |
git-bisect.sh | patch | blob | history | |
t/t6030-bisect-porcelain.sh | patch | blob | history |
index 539f37df26b735b61325ec77994f95e63ddc3b48..0b8b0ebba758871ac9c79e729664b5057128e9ac 100644 (file)
$ git bisect reset
------------------------------------------------
-to get back to the master branch, instead of being in one of the
+to get back to the original branch, instead of being in one of the
bisection branches ("git bisect start" will do that for you too,
actually: it will reset the bisection state, and before it does that
it checks that you're not using some old bisection branch).
diff --git a/git-bisect.sh b/git-bisect.sh
index d8d9bfde4cdd4b558992c68cb7cdaaa1b8a1212d..164e8ed81fc3ecb5d33dafb9af0992761bfe513d 100755 (executable)
--- a/git-bisect.sh
+++ b/git-bisect.sh
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
+ branch=`cat "$GIT_DIR/BISECT_START"`
git checkout $branch || exit
;;
refs/heads/*|$_x40)
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"
}
index 5e3e5445c730140ad6c2fa9cc5bda4a7029e7fbf..933f5679831b1df3baac8164094b204a09fd7f16 100755 (executable)
'
+test_expect_success 'bisect refuses to start if branch bisect exists' '
+ git bisect reset &&
+ git branch bisect &&
+ test_must_fail git bisect start &&
+ git branch -d bisect &&
+ git checkout -b bisect &&
+ test_must_fail git bisect start &&
+ git checkout master &&
+ git branch -d bisect
+'
+
+test_expect_success 'bisect refuses to start if branch new-bisect exists' '
+ git bisect reset &&
+ git branch new-bisect &&
+ test_must_fail git bisect start &&
+ git branch -d new-bisect
+'
+
+test_expect_success 'bisect errors out if bad and good are mistaken' '
+ git bisect reset &&
+ test_must_fail git bisect start $HASH2 $HASH4 2> rev_list_error &&
+ grep "mistake good and bad" rev_list_error &&
+ git bisect reset
+'
+
#
#
test_done