then
# Reset to the rev from where we started.
start_head=$(cat "$GIT_DIR/BISECT_START")
- git checkout "$start_head" || exit
+ git checkout "$start_head" -- || exit
else
# Get rev from where we start.
case "$head" in
bisect_next_check && bisect_next || :
}
-filter_skipped() {
- _eval="$1"
- _skip="$2"
-
- if [ -z "$_skip" ]; then
- eval "$_eval" | {
- while read line
- do
- echo "$line &&"
- done
- echo ':'
- }
- return
- fi
-
- # Let's parse the output of:
- # "git rev-list --bisect-vars --bisect-all ..."
- eval "$_eval" | {
- VARS= FOUND= TRIED=
- while read hash line
- do
- case "$VARS,$FOUND,$TRIED,$hash" in
- 1,*,*,*)
- # "bisect_foo=bar" read from rev-list output.
- echo "$hash &&"
- ;;
- ,*,*,---*)
- # Separator
- ;;
- ,,,bisect_rev*)
- # We had nothing to search.
- echo "bisect_rev= &&"
- VARS=1
- ;;
- ,,*,bisect_rev*)
- # We did not find a good bisect rev.
- # This should happen only if the "bad"
- # commit is also a "skip" commit.
- echo "bisect_rev='$TRIED' &&"
- VARS=1
- ;;
- ,,*,*)
- # We are searching.
- TRIED="${TRIED:+$TRIED|}$hash"
- case "$_skip" in
- *$hash*) ;;
- *)
- echo "bisect_rev=$hash &&"
- echo "bisect_tried='$TRIED' &&"
- FOUND=1
- ;;
- esac
- ;;
- ,1,*,bisect_rev*)
- # We have already found a rev to be tested.
- VARS=1
- ;;
- ,1,*,*)
- ;;
- *)
- # Unexpected input
- echo "die 'filter_skipped error'"
- die "filter_skipped error " \
- "VARS: '$VARS' " \
- "FOUND: '$FOUND' " \
- "TRIED: '$TRIED' " \
- "hash: '$hash' " \
- "line: '$line'"
- ;;
- esac
- done
- echo ':'
- }
-}
-
-exit_if_skipped_commits () {
- _tried=$1
- if expr "$_tried" : ".*[|].*" > /dev/null ; then
- echo "There are only 'skip'ped commit left to test."
- echo "The first bad commit could be any of:"
- echo "$_tried" | tr '[|]' '[\012]'
- echo "We cannot bisect more!"
- exit 2
- fi
-}
-
bisect_checkout() {
_rev="$1"
_msg="$2"
echo "Bisecting: $_msg"
mark_expected_rev "$_rev"
- git checkout -q "$_rev" || exit
+ git checkout -q "$_rev" -- || exit
git show-branch "$_rev"
}
# Return now if a checkout has already been done
test "$?" -eq "1" && return
- # Get bisection information
- BISECT_OPT=''
- test -n "$skip" && BISECT_OPT='--bisect-all'
- eval="git rev-list --bisect-vars $BISECT_OPT $good $bad --" &&
- eval="$eval $(cat "$GIT_DIR/BISECT_NAMES")" &&
- eval=$(filter_skipped "$eval" "$skip") &&
- eval "$eval" || exit
+ # Perform bisection computation, display and checkout
+ git bisect--helper --next-exit
+ res=$?
- if [ -z "$bisect_rev" ]; then
- echo "$bad was both good and bad"
- exit 1
- fi
- if [ "$bisect_rev" = "$bad" ]; then
- exit_if_skipped_commits "$bisect_tried"
- echo "$bisect_rev is first bad commit"
- git diff-tree --pretty $bisect_rev
- exit 0
- fi
+ # Check if we should exit because bisection is finished
+ test $res -eq 10 && exit 0
- # We should exit here only if the "bad"
- # commit is also a "skip" commit (see above).
- exit_if_skipped_commits "$bisect_rev"
+ # Check for an error in the bisection process
+ test $res -ne 0 && exit $res
- bisect_checkout "$bisect_rev" "$bisect_nr revisions left to test after this"
+ return 0
}
bisect_visualize() {
*)
usage ;;
esac
- git checkout "$branch" && bisect_clean_state
+ git checkout "$branch" -- && bisect_clean_state
}
bisect_clean_state() {