USAGE='[help|start|bad|good|skip|next|reset|visualize|replay|log|run]'
LONG_USAGE='git bisect help
- print this long help message.
-git bisect start [<bad> [<good>...]] [--] [<pathspec>...]
- reset bisect state and start bisection.
+ print this long help message.
+git bisect start [
--no-checkout] [<bad> [<good>...]] [--] [<pathspec>...]
+ reset bisect state and start bisection.
git bisect bad [<rev>]
- mark <rev> a known-bad revision.
+ mark <rev> a known-bad revision.
git bisect good [<rev>...]
- mark <rev>... known-good revisions.
+ mark <rev>... known-good revisions.
git bisect skip [(<rev>|<range>)...]
- mark <rev>... untestable revisions.
+ mark <rev>... untestable revisions.
git bisect next
- find next bisection to test and check it out.
+ find next bisection to test and check it out.
git bisect reset [<commit>]
- finish bisection search and go back to commit.
+ finish bisection search and go back to commit.
git bisect visualize
- show bisect status in gitk.
+ show bisect status in gitk.
git bisect replay <logfile>
- replay bisection log.
+ replay bisection log.
git bisect log
- show bisect log.
+ show bisect log.
git bisect run <cmd>...
- use <cmd>... to automatically bisect.
+ use <cmd>... to automatically bisect.
Please use "git help bisect" to get the full man page.'
OPTIONS_SPEC=
. git-sh-setup
. git-sh-i18n
-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"
+bisect_head()
+{
+ if test -f "$GIT_DIR/BISECT_HEAD"
+ then
+ echo BISECT_HEAD
+ else
+ echo HEAD
+ fi
+}
+
bisect_autostart() {
test -s "$GIT_DIR/BISECT_START" || {
(
# TRANSLATORS: Make sure to include [Y] and [n] in your
# translation. The program will only accept English input
# at this point.
- gettext "Do you want me to do it for you [Y/n]? " >&2
+ gettext "Do you want me to do it for you [Y/n]? " >&2
read yesno
case "$yesno" in
[Nn]*)
}
bisect_start() {
+ #
+ # Check for one bad and then some good revisions.
+ #
+ has_double_dash=0
+ for arg; do
+ case "$arg" in --) has_double_dash=1; break ;; esac
+ done
+ orig_args=$(git rev-parse --sq-quote "$@")
+ bad_seen=0
+ eval=''
+ if test "z$(git rev-parse --is-bare-repository)" != zfalse
+ then
+ mode=--no-checkout
+ else
+ mode=''
+ fi
+ while [ $# -gt 0 ]; do
+ arg="$1"
+ case "$arg" in
+ --)
+ shift
+ break
+ ;;
+ --no-checkout)
+ mode=--no-checkout
+ shift ;;
+ --*)
+ die "$(eval_gettext "unrecognised option: '\$arg'")" ;;
+ *)
+ rev=$(git rev-parse -q --verify "$arg^{commit}") || {
+ test $has_double_dash -eq 1 &&
+ die "$(eval_gettext "'\$arg' does not appear to be a valid revision")"
+ break
+ }
+ case $bad_seen in
+ 0) state='bad' ; bad_seen=1 ;;
+ *) state='good' ;;
+ esac
+ eval="$eval bisect_write '$state' '$rev' 'nolog' &&"
+ shift
+ ;;
+ esac
+ done
+
#
# Verify HEAD.
#
then
# Reset to the rev from where we started.
start_head=$(cat "$GIT_DIR/BISECT_START")
- git checkout "$start_head" -- || exit
+ if test "z$mode" != "z--no-checkout"
+ then
+ git checkout "$start_head" --
+ fi
else
# Get rev from where we start.
case "$head" in
#
bisect_clean_state || exit
- #
- # Check for one bad and then some good revisions.
- #
- has_double_dash=0
- for arg; do
- case "$arg" in --) has_double_dash=1; break ;; esac
- done
- orig_args=$(git rev-parse --sq-quote "$@")
- bad_seen=0
- eval=''
- while [ $# -gt 0 ]; do
- arg="$1"
- case "$arg" in
- --)
- shift
- break
- ;;
- *)
- rev=$(git rev-parse -q --verify "$arg^{commit}") || {
- test $has_double_dash -eq 1 &&
- die "$(eval_gettext "'\$arg' does not appear to be a valid revision")"
- break
- }
- case $bad_seen in
- 0) state='bad' ; bad_seen=1 ;;
- *) state='good' ;;
- esac
- eval="$eval bisect_write '$state' '$rev' 'nolog'; "
- shift
- ;;
- esac
- done
-
#
# Change state.
# In case of mistaken revs or checkout error, or signals received,
#
# Write new start state.
#
- echo "$start_head" >"$GIT_DIR/BISECT_START" &&
+ echo "$start_head" >"$GIT_DIR/BISECT_START" && {
+ test "z$mode" != "z--no-checkout" ||
+ git update-ref --no-deref BISECT_HEAD "$start_head"
+ } &&
git rev-parse --sq-quote "$@" >"$GIT_DIR/BISECT_NAMES" &&
- eval "$eval" &&
+ eval "$eval true" &&
echo "git bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG" || exit
#
# Check if we can proceed to the next bisect state.
check_expected_revs() {
for _rev in "$@"; do
- if ! is_expected_rev "$_rev"; then
+ if ! is_expected_rev "$_rev"
+ then
rm -f "$GIT_DIR/BISECT_ANCESTORS_OK"
rm -f "$GIT_DIR/BISECT_EXPECTED_REV"
return
}
bisect_skip() {
- all=''
+ all=''
for arg in "$@"
do
- case "$arg" in
- *..*)
- revs=$(git rev-list "$arg") || die "$(eval_gettext "Bad rev input: \$arg")" ;;
- *)
- revs=$(git rev-parse --sq-quote "$arg") ;;
- esac
- all="$all $revs"
- done
- eval bisect_state 'skip' $all
+ case "$arg" in
+ *..*)
+ revs=$(git rev-list "$arg") || die "$(eval_gettext "Bad rev input: \$arg")" ;;
+ *)
+ revs=$(git rev-parse --sq-quote "$arg") ;;
+ esac
+ all="$all $revs"
+ done
+ eval bisect_state 'skip' $all
}
bisect_state() {
0,*)
die "$(gettext "Please call 'bisect_state' with at least one argument.")" ;;
1,bad|1,good|1,skip)
- rev=$(git rev-parse --verify HEAD) ||
- die "$(gettext "Bad rev input: HEAD")"
+ rev=$(git rev-parse --verify $(bisect_head)) ||
+ die "$(gettext "Bad rev input: $(bisect_head)")"
bisect_write "$state" "$rev"
check_expected_revs "$rev" ;;
2,bad|*,good|*,skip)
bisect_next_check good
# Perform all bisection computation, display and checkout
- git bisect--helper --next-all
+ git bisect--helper --next-all $(test -f "$GIT_DIR/BISECT_HEAD" && echo --no-checkout)
res=$?
- # Check if we should exit because bisection is finished
+ # Check if we should exit because bisection is finished
test $res -eq 10 && exit 0
# Check for an error in the bisection process
if test $# = 0
then
if test -n "${DISPLAY+set}${SESSIONNAME+set}${MSYSTEM+set}${SECURITYSESSIONID+set}" &&
- type gitk >/dev/null 2>&1; then
+ type gitk >/dev/null 2>&1
+ then
set gitk
else
set git log
case "$#" in
0) branch=$(cat "$GIT_DIR/BISECT_START") ;;
1) git rev-parse --quiet --verify "$1^{commit}" > /dev/null || {
- invalid="$1"
- die "$(eval_gettext "'\$invalid' is not a valid commit")"
- }
- branch="$1" ;;
+ invalid="$1"
+ die "$(eval_gettext "'\$invalid' is not a valid commit")"
+ }
+ branch="$1" ;;
*)
- usage ;;
+ usage ;;
esac
- if git checkout "$branch" -- ; then
- bisect_clean_state
- else
+
+ if ! test -f "$GIT_DIR/BISECT_HEAD" && ! git checkout "$branch" --
+ then
die "$(eval_gettext "Could not check out original HEAD '\$branch'.
Try 'git bisect reset <commit>'.")"
fi
+ bisect_clean_state
}
bisect_clean_state() {
rm -f "$GIT_DIR/BISECT_RUN" &&
# Cleanup head-name if it got left by an old version of git-bisect
rm -f "$GIT_DIR/head-name" &&
-
+ git update-ref -d --no-deref BISECT_HEAD &&
+ # clean up BISECT_START last
rm -f "$GIT_DIR/BISECT_START"
}
while read git bisect command rev
do
test "$git $bisect" = "git bisect" -o "$git" = "git-bisect" || continue
- if test "$git" = "git-bisect"; then
+ if test "$git" = "git-bisect"
+ then
rev="$command"
command="$bisect"
fi
}
bisect_run () {
- bisect_next_check fail
-
- while true
- do
- command="$@"
- eval_gettext "running \$command"; echo
- "$@"
- res=$?
-
- # Check for really bad run error.
- if [ $res -lt 0 -o $res -ge 128 ]; then
- (
- eval_gettext "bisect run failed:
+ bisect_next_check fail
+
+ while true
+ do
+ command="$@"
+ eval_gettext "running \$command"; echo
+ "$@"
+ res=$?
+
+ # Check for really bad run error.
+ if [ $res -lt 0 -o $res -ge 128 ]
+ then
+ (
+ eval_gettext "bisect run failed:
exit code \$res from '\$command' is < 0 or >= 128" &&
- echo
- ) >&2
- exit $res
- fi
-
- # Find current state depending on run success or failure.
- # A special exit code of 125 means cannot test.
- if [ $res -eq 125 ]; then
- state='skip'
- elif [ $res -gt 0 ]; then
- state='bad'
- else
- state='good'
- fi
-
- # We have to use a subshell because "bisect_state" can exit.
- ( bisect_state $state > "$GIT_DIR/BISECT_RUN" )
- res=$?
-
- cat "$GIT_DIR/BISECT_RUN"
-
- if sane_grep "first bad commit could be any of" "$GIT_DIR/BISECT_RUN" \
- > /dev/null; then
- (
- gettext "bisect run cannot continue any more" &&
- echo
- ) >&2
- exit $res
- fi
-
- if [ $res -ne 0 ]; then
- (
- eval_gettext "bisect run failed:
+ echo
+ ) >&2
+ exit $res
+ fi
+
+ # Find current state depending on run success or failure.
+ # A special exit code of 125 means cannot test.
+ if [ $res -eq 125 ]
+ then
+ state='skip'
+ elif [ $res -gt 0 ]
+ then
+ state='bad'
+ else
+ state='good'
+ fi
+
+ # We have to use a subshell because "bisect_state" can exit.
+ ( bisect_state $state > "$GIT_DIR/BISECT_RUN" )
+ res=$?
+
+ cat "$GIT_DIR/BISECT_RUN"
+
+ if sane_grep "first bad commit could be any of" "$GIT_DIR/BISECT_RUN" \
+ > /dev/null
+ then
+ (
+ gettext "bisect run cannot continue any more" &&
+ echo
+ ) >&2
+ exit $res
+ fi
+
+ if [ $res -ne 0 ]
+ then
+ (
+ eval_gettext "bisect run failed:
'bisect_state \$state' exited with error code \$res" &&
- echo
- ) >&2
- exit $res
- fi
+ echo
+ ) >&2
+ exit $res
+ fi
- if sane_grep "is the first bad commit" "$GIT_DIR/BISECT_RUN" > /dev/null; then
- gettext "bisect run success"; echo
- exit 0;
- fi
+ if sane_grep "is the first bad commit" "$GIT_DIR/BISECT_RUN" > /dev/null
+ then
+ gettext "bisect run success"; echo
+ exit 0;
+ fi
- done
+ done
}
bisect_log () {
case "$#" in
0)
- usage ;;
+ usage ;;
*)
- cmd="$1"
- shift
- case "$cmd" in
- help)
- git bisect -h ;;
- start)
- bisect_start "$@" ;;
- bad|good)
- bisect_state "$cmd" "$@" ;;
- skip)
- bisect_skip "$@" ;;
- next)
- # Not sure we want "next" at the UI level anymore.
- bisect_next "$@" ;;
- visualize|view)
- bisect_visualize "$@" ;;
- reset)
- bisect_reset "$@" ;;
- replay)
- bisect_replay "$@" ;;
- log)
- bisect_log ;;
- run)
- bisect_run "$@" ;;
- *)
- usage ;;
- esac
+ cmd="$1"
+ shift
+ case "$cmd" in
+ help)
+ git bisect -h ;;
+ start)
+ bisect_start "$@" ;;
+ bad|good)
+ bisect_state "$cmd" "$@" ;;
+ skip)
+ bisect_skip "$@" ;;
+ next)
+ # Not sure we want "next" at the UI level anymore.
+ bisect_next "$@" ;;
+ visualize|view)
+ bisect_visualize "$@" ;;
+ reset)
+ bisect_reset "$@" ;;
+ replay)
+ bisect_replay "$@" ;;
+ log)
+ bisect_log ;;
+ run)
+ bisect_run "$@" ;;
+ *)
+ usage ;;
+ esac
esac