3 USAGE
='[help|start|bad|good|skip|next|reset|visualize|replay|log|run]'
4 LONG_USAGE
='git bisect help
5 print this long help message.
6 git bisect start [<bad> [<good>...]] [--] [<pathspec>...]
7 reset bisect state and start bisection.
9 mark <rev> a known-bad revision.
10 git bisect good [<rev>...]
11 mark <rev>... known-good revisions.
12 git bisect skip [(<rev>|<range>)...]
13 mark <rev>... untestable revisions.
15 find next bisection to test and check it out.
16 git bisect reset [<commit>]
17 finish bisection search and go back to commit.
19 show bisect status in gitk.
20 git bisect replay <logfile>
24 git bisect run <cmd>...
25 use <cmd>... to automatically bisect.
27 Please use "git help bisect" to get the full man page.'
34 _x40
='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
35 _x40
="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
38 test -s "$GIT_DIR/BISECT_START" ||
{
40 gettext "You need to start by \"git bisect start\"" &&
45 # TRANSLATORS: Make sure to include [Y] and [n] in your
46 # translation. The program will only accept English input
48 gettext "Do you want me to do it for you [Y/n]? " >&2
65 head=$
(GIT_DIR
="$GIT_DIR" git symbolic-ref
-q HEAD
) ||
66 head=$
(GIT_DIR
="$GIT_DIR" git rev-parse
--verify HEAD
) ||
67 die
"$(gettext "Bad HEAD
- I need a HEAD
")"
70 # Check if we are bisecting.
73 if test -s "$GIT_DIR/BISECT_START"
75 # Reset to the rev from where we started.
76 start_head
=$
(cat "$GIT_DIR/BISECT_START")
77 git checkout
"$start_head" -- ||
exit
79 # Get rev from where we start.
82 # This error message should only be triggered by
83 # cogito usage, and cogito users should understand
84 # it relates to cg-seek.
85 [ -s "$GIT_DIR/head-name" ] &&
86 die
"$(gettext "won
't bisect on seeked tree")"
87 start_head="${head#refs/heads/}"
90 die "$(gettext "Bad HEAD - strange symbolic ref")"
96 # Get rid of any old bisect state.
98 bisect_clean_state || exit
101 # Check for one bad and then some good revisions.
105 case "$arg" in --) has_double_dash=1; break ;; esac
107 orig_args=$(git rev-parse --sq-quote "$@")
110 while [ $# -gt 0 ]; do
118 rev=$(git rev-parse -q --verify "$arg^{commit}") || {
119 test $has_double_dash -eq 1 &&
120 die "$(eval_gettext "'\
$arg' does not appear to be a valid revision")"
124 0) state='bad
' ; bad_seen=1 ;;
127 eval="$eval bisect_write '$state' '$rev' 'nolog
'; "
135 # In case of mistaken revs or checkout error, or signals received,
136 # "bisect_auto_next" below may exit or misbehave.
137 # We have to trap this to be able to clean up using
138 # "bisect_clean_state".
140 trap 'bisect_clean_state
' 0
141 trap 'exit 255' 1 2 3 15
144 # Write new start state.
146 echo "$start_head" >"$GIT_DIR/BISECT_START" &&
147 git rev-parse --sq-quote "$@" >"$GIT_DIR/BISECT_NAMES" &&
149 echo "git bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG" || exit
151 # Check if we can proceed to the next bisect state.
164 good|skip) tag="$state"-"$rev" ;;
165 *) die "$(eval_gettext "Bad bisect_write argument: \$state")" ;;
167 git update-ref "refs/bisect/$tag" "$rev" || exit
168 echo "# $state: $(git show-branch $rev)" >>"$GIT_DIR/BISECT_LOG"
169 test -n "$nolog" || echo "git bisect $state $rev" >>"$GIT_DIR/BISECT_LOG"
173 test -f "$GIT_DIR/BISECT_EXPECTED_REV" &&
174 test "$1" = $(cat "$GIT_DIR/BISECT_EXPECTED_REV")
177 check_expected_revs() {
179 if ! is_expected_rev "$_rev"; then
180 rm -f "$GIT_DIR/BISECT_ANCESTORS_OK"
181 rm -f "$GIT_DIR/BISECT_EXPECTED_REV"
193 revs=$(git rev-list "$arg") || die "$(eval_gettext "Bad rev input: \$arg")" ;;
195 revs=$(git rev-parse --sq-quote "$arg") ;;
199 eval bisect_state 'skip
' $all
207 die "$(gettext "Please call 'bisect_state
' with at least one argument.")" ;;
209 rev=$(git rev-parse --verify HEAD) ||
210 die "$(gettext "Bad rev input: HEAD")"
211 bisect_write "$state" "$rev"
212 check_expected_revs "$rev" ;;
218 sha=$(git rev-parse --verify "$rev^{commit}") ||
219 die "$(eval_gettext "Bad rev input: \$rev")"
220 eval="$eval bisect_write '$state' '$sha'; "
223 check_expected_revs "$@" ;;
225 die "$(gettext "'git bisect bad
' can take only one argument.")" ;;
232 bisect_next_check() {
233 missing_good= missing_bad=
234 git show-ref -q --verify refs/bisect/bad || missing_bad=t
235 test -n "$(git for-each-ref "refs/bisect/good-*")" || missing_good=t
237 case "$missing_good,$missing_bad,$1" in
239 : have both good and bad - ok
242 # do not have both but not asked to fail - just report.
246 # have bad but not good. we could bisect although
247 # this is less optimum.
249 gettext "Warning: bisecting only with a bad commit." &&
254 # TRANSLATORS: Make sure to include [Y] and [n] in your
255 # translation. The program will only accept English input
257 gettext "Are you sure [Y/n]? " >&2
259 case "$yesno" in [Nn]*) exit 1 ;; esac
261 : bisect without good...
265 test -s "$GIT_DIR/BISECT_START" || {
266 echo >&2 'You need to start by
"git bisect start".
'
269 echo >&2 'You
'$THEN'need to give me
at least one good
' \
270 'and one bad revisions.
'
271 echo >&2 '(You can use
"git bisect bad" and
' \
272 '"git bisect good" for that.
)'
278 bisect_next_check && bisect_next || :
282 case "$#" in 0) ;; *) usage ;; esac
284 bisect_next_check good
286 # Perform all bisection computation, display and checkout
287 git bisect--helper --next-all
290 # Check if we should exit because bisection is finished
291 test $res -eq 10 && exit 0
293 # Check for an error in the bisection process
294 test $res -ne 0 && exit $res
300 bisect_next_check fail
304 if test -n "${DISPLAY+set}${SESSIONNAME+set}${MSYSTEM+set}${SECURITYSESSIONID+set}" &&
305 type gitk >/dev/null 2>&1; then
313 -*) set git log "$@" ;;
318 eval '"$@"' --bisect -- $(cat "$GIT_DIR/BISECT_NAMES")
322 test -s "$GIT_DIR/BISECT_START" || {
323 gettext "We are not bisecting."; echo
327 0) branch=$(cat "$GIT_DIR/BISECT_START") ;;
328 1) git rev-parse --quiet --verify "$1^{commit}" > /dev/null || {
330 die "$(eval_gettext "'\
$invalid' is not a valid commit")"
336 if git checkout "$branch" -- ; then
339 die "$(eval_gettext "Could not check out original HEAD '\
$branch'.
340 Try 'git bisect
reset <commit
>'.")"
344 bisect_clean_state() {
345 # There may be some refs packed during bisection.
346 git for-each-ref --format='%(refname
) %(objectname
)' refs/bisect/\* |
349 git update-ref -d $ref $hash || exit
351 rm -f "$GIT_DIR/BISECT_EXPECTED_REV" &&
352 rm -f "$GIT_DIR/BISECT_ANCESTORS_OK" &&
353 rm -f "$GIT_DIR/BISECT_LOG" &&
354 rm -f "$GIT_DIR/BISECT_NAMES" &&
355 rm -f "$GIT_DIR/BISECT_RUN" &&
356 # Cleanup head-name if it got left by an old version of git-bisect
357 rm -f "$GIT_DIR/head-name" &&
359 rm -f "$GIT_DIR/BISECT_START"
364 test "$#" -eq 1 || die "$(gettext "No logfile given")"
365 test -r "$file" || die "$(eval_gettext "cannot read \$file for replaying")"
367 while read git bisect command rev
369 test "$git $bisect" = "git bisect" -o "$git" = "git-bisect" || continue
370 if test "$git" = "git-bisect"; then
376 cmd="bisect_start $rev"
379 bisect_write "$command" "$rev" ;;
381 die "$(gettext "?? what are you talking about?")" ;;
388 bisect_next_check fail
393 eval_gettext "running \$command"; echo
397 # Check for really bad run error.
398 if [ $res -lt 0 -o $res -ge 128 ]; then
400 eval_gettext "bisect run failed:
401 exit code \$res from '\
$command' is < 0 or >= 128" &&
407 # Find current state depending on run success or failure.
408 # A special exit code of 125 means cannot test.
409 if [ $res -eq 125 ]; then
411 elif [ $res -gt 0 ]; then
417 # We have to use a subshell because "bisect_state" can exit.
418 ( bisect_state $state > "$GIT_DIR/BISECT_RUN" )
421 cat "$GIT_DIR/BISECT_RUN"
423 if sane_grep "first bad commit could be any of" "$GIT_DIR/BISECT_RUN" \
426 gettext "bisect run cannot continue any more" &&
432 if [ $res -ne 0 ]; then
434 eval_gettext "bisect run failed:
435 'bisect_state \
$state' exited with error code \$res" &&
441 if sane_grep "is the first bad commit" "$GIT_DIR/BISECT_RUN" > /dev/null; then
442 gettext "bisect run success"; echo
450 test -s "$GIT_DIR/BISECT_LOG" || die "$(gettext "We are not bisecting.")"
451 cat "$GIT_DIR/BISECT_LOG"
466 bisect_state "$cmd" "$@" ;;
470 # Not sure we want "next" at the UI level anymore.
473 bisect_visualize "$@" ;;
477 bisect_replay "$@" ;;