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Commit | Line | Data |
---|---|---|
8cc6a083 | 1 | #!/bin/sh |
d025524d | 2 | |
243a60fb CC |
3 | USAGE='[help|start|bad|good|skip|next|reset|visualize|replay|log|run]' |
4 | LONG_USAGE='git bisect help | |
6021be86 | 5 | print this long help message. |
4796e823 | 6 | git bisect start [--no-checkout] [<bad> [<good>...]] [--] [<pathspec>...] |
6021be86 | 7 | reset bisect state and start bisection. |
38a47fd6 | 8 | git bisect bad [<rev>] |
6021be86 | 9 | mark <rev> a known-bad revision. |
38a47fd6 | 10 | git bisect good [<rev>...] |
6021be86 | 11 | mark <rev>... known-good revisions. |
5413812f | 12 | git bisect skip [(<rev>|<range>)...] |
6021be86 | 13 | mark <rev>... untestable revisions. |
38a47fd6 | 14 | git bisect next |
6021be86 | 15 | find next bisection to test and check it out. |
6b87ce23 | 16 | git bisect reset [<commit>] |
6021be86 | 17 | finish bisection search and go back to commit. |
38a47fd6 | 18 | git bisect visualize |
6021be86 | 19 | show bisect status in gitk. |
38a47fd6 | 20 | git bisect replay <logfile> |
6021be86 | 21 | replay bisection log. |
38a47fd6 | 22 | git bisect log |
6021be86 | 23 | show bisect log. |
38a47fd6 | 24 | git bisect run <cmd>... |
6021be86 | 25 | use <cmd>... to automatically bisect. |
243a60fb CC |
26 | |
27 | Please use "git help bisect" to get the full man page.' | |
d025524d | 28 | |
8f321a39 | 29 | OPTIONS_SPEC= |
ae2b0f15 | 30 | . git-sh-setup |
dcf9c2e5 | 31 | . git-sh-i18n |
8cc6a083 | 32 | |
ce32660e JS |
33 | _x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]' |
34 | _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" | |
35 | ||
4796e823 JS |
36 | bisect_head() |
37 | { | |
38 | if test -f "$GIT_DIR/BISECT_HEAD" | |
39 | then | |
40 | echo BISECT_HEAD | |
41 | else | |
42 | echo HEAD | |
43 | fi | |
44 | } | |
45 | ||
8cc6a083 | 46 | bisect_autostart() { |
823ea121 | 47 | test -s "$GIT_DIR/BISECT_START" || { |
3145b1a2 | 48 | gettextln "You need to start by \"git bisect start\"" >&2 |
8cc6a083 LT |
49 | if test -t 0 |
50 | then | |
04de0996 ÆAB |
51 | # TRANSLATORS: Make sure to include [Y] and [n] in your |
52 | # translation. The program will only accept English input | |
53 | # at this point. | |
6021be86 | 54 | gettext "Do you want me to do it for you [Y/n]? " >&2 |
8cc6a083 LT |
55 | read yesno |
56 | case "$yesno" in | |
57 | [Nn]*) | |
58 | exit ;; | |
59 | esac | |
60 | bisect_start | |
61 | else | |
62 | exit 1 | |
63 | fi | |
64 | } | |
65 | } | |
66 | ||
67 | bisect_start() { | |
4764f464 JS |
68 | # |
69 | # Check for one bad and then some good revisions. | |
70 | # | |
71 | has_double_dash=0 | |
72 | for arg; do | |
6021be86 | 73 | case "$arg" in --) has_double_dash=1; break ;; esac |
4764f464 JS |
74 | done |
75 | orig_args=$(git rev-parse --sq-quote "$@") | |
76 | bad_seen=0 | |
77 | eval='' | |
24c51280 JS |
78 | if test "z$(git rev-parse --is-bare-repository)" != zfalse |
79 | then | |
80 | mode=--no-checkout | |
81 | else | |
82 | mode='' | |
83 | fi | |
4764f464 | 84 | while [ $# -gt 0 ]; do |
6021be86 JS |
85 | arg="$1" |
86 | case "$arg" in | |
87 | --) | |
88 | shift | |
89 | break | |
4764f464 | 90 | ;; |
6021be86 JS |
91 | --no-checkout) |
92 | mode=--no-checkout | |
93 | shift ;; | |
94 | --*) | |
95 | die "$(eval_gettext "unrecognised option: '\$arg'")" ;; | |
96 | *) | |
97 | rev=$(git rev-parse -q --verify "$arg^{commit}") || { | |
43b8ff4b JH |
98 | test $has_double_dash -eq 1 && |
99 | die "$(eval_gettext "'\$arg' does not appear to be a valid revision")" | |
100 | break | |
6021be86 JS |
101 | } |
102 | case $bad_seen in | |
103 | 0) state='bad' ; bad_seen=1 ;; | |
104 | *) state='good' ;; | |
105 | esac | |
106 | eval="$eval bisect_write '$state' '$rev' 'nolog' &&" | |
107 | shift | |
108 | ;; | |
4764f464 | 109 | esac |
4764f464 JS |
110 | done |
111 | ||
8cc6a083 | 112 | # |
634f2464 | 113 | # Verify HEAD. |
8cc6a083 | 114 | # |
48949a18 | 115 | head=$(GIT_DIR="$GIT_DIR" git symbolic-ref -q HEAD) || |
ce32660e | 116 | head=$(GIT_DIR="$GIT_DIR" git rev-parse --verify HEAD) || |
9570fc1e | 117 | die "$(gettext "Bad HEAD - I need a HEAD")" |
634f2464 | 118 | |
ee831f7d | 119 | # |
634f2464 | 120 | # Check if we are bisecting. |
ee831f7d | 121 | # |
d3e54c88 | 122 | start_head='' |
634f2464 CC |
123 | if test -s "$GIT_DIR/BISECT_START" |
124 | then | |
125 | # Reset to the rev from where we started. | |
9d0cd91c | 126 | start_head=$(cat "$GIT_DIR/BISECT_START") |
4796e823 JS |
127 | if test "z$mode" != "z--no-checkout" |
128 | then | |
1acf1171 CC |
129 | git checkout "$start_head" -- || |
130 | die "$(eval_gettext "Checking out '\$start_head' failed. Try 'git bisect reset <validbranch>'.")" | |
4796e823 | 131 | fi |
634f2464 CC |
132 | else |
133 | # Get rev from where we start. | |
134 | case "$head" in | |
135 | refs/heads/*|$_x40) | |
136 | # This error message should only be triggered by | |
137 | # cogito usage, and cogito users should understand | |
138 | # it relates to cg-seek. | |
139 | [ -s "$GIT_DIR/head-name" ] && | |
9570fc1e | 140 | die "$(gettext "won't bisect on seeked tree")" |
634f2464 CC |
141 | start_head="${head#refs/heads/}" |
142 | ;; | |
143 | *) | |
9570fc1e | 144 | die "$(gettext "Bad HEAD - strange symbolic ref")" |
634f2464 CC |
145 | ;; |
146 | esac | |
147 | fi | |
8cc6a083 LT |
148 | |
149 | # | |
634f2464 | 150 | # Get rid of any old bisect state. |
8cc6a083 | 151 | # |
823ea121 | 152 | bisect_clean_state || exit |
38a47fd6 | 153 | |
ba963de8 CC |
154 | # |
155 | # Change state. | |
156 | # In case of mistaken revs or checkout error, or signals received, | |
157 | # "bisect_auto_next" below may exit or misbehave. | |
158 | # We have to trap this to be able to clean up using | |
159 | # "bisect_clean_state". | |
160 | # | |
161 | trap 'bisect_clean_state' 0 | |
162 | trap 'exit 255' 1 2 3 15 | |
163 | ||
164 | # | |
165 | # Write new start state. | |
166 | # | |
4796e823 JS |
167 | echo "$start_head" >"$GIT_DIR/BISECT_START" && { |
168 | test "z$mode" != "z--no-checkout" || | |
169 | git update-ref --no-deref BISECT_HEAD "$start_head" | |
170 | } && | |
de52f5a8 | 171 | git rev-parse --sq-quote "$@" >"$GIT_DIR/BISECT_NAMES" && |
6ba7acff | 172 | eval "$eval true" && |
6c98c054 | 173 | echo "git bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG" || exit |
ba963de8 CC |
174 | # |
175 | # Check if we can proceed to the next bisect state. | |
176 | # | |
38a47fd6 | 177 | bisect_auto_next |
ba963de8 CC |
178 | |
179 | trap '-' 0 | |
8cc6a083 LT |
180 | } |
181 | ||
55624f9a CC |
182 | bisect_write() { |
183 | state="$1" | |
184 | rev="$2" | |
737c74ee | 185 | nolog="$3" |
55624f9a CC |
186 | case "$state" in |
187 | bad) tag="$state" ;; | |
188 | good|skip) tag="$state"-"$rev" ;; | |
15eaa049 | 189 | *) die "$(eval_gettext "Bad bisect_write argument: \$state")" ;; |
55624f9a | 190 | esac |
ba963de8 | 191 | git update-ref "refs/bisect/$tag" "$rev" || exit |
f454cdc4 | 192 | echo "# $state: $(git show-branch $rev)" >>"$GIT_DIR/BISECT_LOG" |
6c98c054 | 193 | test -n "$nolog" || echo "git bisect $state $rev" >>"$GIT_DIR/BISECT_LOG" |
55624f9a CC |
194 | } |
195 | ||
c9c4e2d5 CC |
196 | is_expected_rev() { |
197 | test -f "$GIT_DIR/BISECT_EXPECTED_REV" && | |
198 | test "$1" = $(cat "$GIT_DIR/BISECT_EXPECTED_REV") | |
199 | } | |
200 | ||
c9c4e2d5 CC |
201 | check_expected_revs() { |
202 | for _rev in "$@"; do | |
eef12a9a JS |
203 | if ! is_expected_rev "$_rev" |
204 | then | |
c9c4e2d5 CC |
205 | rm -f "$GIT_DIR/BISECT_ANCESTORS_OK" |
206 | rm -f "$GIT_DIR/BISECT_EXPECTED_REV" | |
207 | return | |
208 | fi | |
209 | done | |
210 | } | |
211 | ||
ee2314f5 | 212 | bisect_skip() { |
6021be86 | 213 | all='' |
ee2314f5 CC |
214 | for arg in "$@" |
215 | do | |
6021be86 JS |
216 | case "$arg" in |
217 | *..*) | |
218 | revs=$(git rev-list "$arg") || die "$(eval_gettext "Bad rev input: \$arg")" ;; | |
219 | *) | |
220 | revs=$(git rev-parse --sq-quote "$arg") ;; | |
221 | esac | |
222 | all="$all $revs" | |
223 | done | |
224 | eval bisect_state 'skip' $all | |
ee2314f5 CC |
225 | } |
226 | ||
155fc795 | 227 | bisect_state() { |
8cc6a083 | 228 | bisect_autostart |
155fc795 CC |
229 | state=$1 |
230 | case "$#,$state" in | |
231 | 0,*) | |
9570fc1e | 232 | die "$(gettext "Please call 'bisect_state' with at least one argument.")" ;; |
155fc795 | 233 | 1,bad|1,good|1,skip) |
4796e823 JS |
234 | rev=$(git rev-parse --verify $(bisect_head)) || |
235 | die "$(gettext "Bad rev input: $(bisect_head)")" | |
c9c4e2d5 CC |
236 | bisect_write "$state" "$rev" |
237 | check_expected_revs "$rev" ;; | |
e3389075 | 238 | 2,bad|*,good|*,skip) |
155fc795 | 239 | shift |
d3e54c88 | 240 | eval='' |
e3389075 | 241 | for rev in "$@" |
155fc795 | 242 | do |
a179a303 | 243 | sha=$(git rev-parse --verify "$rev^{commit}") || |
15eaa049 | 244 | die "$(eval_gettext "Bad rev input: \$rev")" |
d3e54c88 CC |
245 | eval="$eval bisect_write '$state' '$sha'; " |
246 | done | |
c9c4e2d5 CC |
247 | eval "$eval" |
248 | check_expected_revs "$@" ;; | |
e3389075 | 249 | *,bad) |
9570fc1e | 250 | die "$(gettext "'git bisect bad' can take only one argument.")" ;; |
cc9f24d0 JH |
251 | *) |
252 | usage ;; | |
8cc6a083 | 253 | esac |
97e1c51e CC |
254 | bisect_auto_next |
255 | } | |
256 | ||
8cc6a083 | 257 | bisect_next_check() { |
0a5280a9 JH |
258 | missing_good= missing_bad= |
259 | git show-ref -q --verify refs/bisect/bad || missing_bad=t | |
260 | test -n "$(git for-each-ref "refs/bisect/good-*")" || missing_good=t | |
6fecf191 | 261 | |
0a5280a9 JH |
262 | case "$missing_good,$missing_bad,$1" in |
263 | ,,*) | |
264 | : have both good and bad - ok | |
265 | ;; | |
266 | *,) | |
267 | # do not have both but not asked to fail - just report. | |
268 | false | |
269 | ;; | |
270 | t,,good) | |
271 | # have bad but not good. we could bisect although | |
272 | # this is less optimum. | |
3145b1a2 | 273 | gettextln "Warning: bisecting only with a bad commit." >&2 |
0a5280a9 JH |
274 | if test -t 0 |
275 | then | |
04de0996 ÆAB |
276 | # TRANSLATORS: Make sure to include [Y] and [n] in your |
277 | # translation. The program will only accept English input | |
278 | # at this point. | |
279 | gettext "Are you sure [Y/n]? " >&2 | |
e5d3afd7 FM |
280 | read yesno |
281 | case "$yesno" in [Nn]*) exit 1 ;; esac | |
0a5280a9 JH |
282 | fi |
283 | : bisect without good... | |
284 | ;; | |
8cc6a083 | 285 | *) |
be508d3a ÆAB |
286 | |
287 | if test -s "$GIT_DIR/BISECT_START" | |
288 | then | |
3145b1a2 JS |
289 | gettextln "You need to give me at least one good and one bad revisions. |
290 | (You can use \"git bisect bad\" and \"git bisect good\" for that.)" >&2 | |
be508d3a | 291 | else |
3145b1a2 | 292 | gettextln "You need to start by \"git bisect start\". |
be508d3a | 293 | You then need to give me at least one good and one bad revisions. |
3145b1a2 | 294 | (You can use \"git bisect bad\" and \"git bisect good\" for that.)" >&2 |
be508d3a | 295 | fi |
0a5280a9 | 296 | exit 1 ;; |
8cc6a083 LT |
297 | esac |
298 | } | |
299 | ||
300 | bisect_auto_next() { | |
434d036f | 301 | bisect_next_check && bisect_next || : |
8cc6a083 LT |
302 | } |
303 | ||
304 | bisect_next() { | |
8fe26f44 | 305 | case "$#" in 0) ;; *) usage ;; esac |
8cc6a083 | 306 | bisect_autostart |
0a5280a9 JH |
307 | bisect_next_check good |
308 | ||
0871984d | 309 | # Perform all bisection computation, display and checkout |
4796e823 | 310 | git bisect--helper --next-all $(test -f "$GIT_DIR/BISECT_HEAD" && echo --no-checkout) |
5a1d31c7 | 311 | res=$? |
0a5280a9 | 312 | |
6021be86 | 313 | # Check if we should exit because bisection is finished |
5a1d31c7 | 314 | test $res -eq 10 && exit 0 |
0a5280a9 | 315 | |
5a1d31c7 CC |
316 | # Check for an error in the bisection process |
317 | test $res -ne 0 && exit $res | |
318 | ||
319 | return 0 | |
8cc6a083 LT |
320 | } |
321 | ||
cc9f24d0 JH |
322 | bisect_visualize() { |
323 | bisect_next_check fail | |
235997c9 JH |
324 | |
325 | if test $# = 0 | |
326 | then | |
c4e4644e | 327 | if test -n "${DISPLAY+set}${SESSIONNAME+set}${MSYSTEM+set}${SECURITYSESSIONID+set}" && |
43b8ff4b | 328 | type gitk >/dev/null 2>&1 |
eef12a9a | 329 | then |
c4e4644e JK |
330 | set gitk |
331 | else | |
332 | set git log | |
333 | fi | |
235997c9 JH |
334 | else |
335 | case "$1" in | |
336 | git*|tig) ;; | |
337 | -*) set git log "$@" ;; | |
338 | *) set git "$@" ;; | |
339 | esac | |
340 | fi | |
341 | ||
fc13aa3d | 342 | eval '"$@"' --bisect -- $(cat "$GIT_DIR/BISECT_NAMES") |
cc9f24d0 JH |
343 | } |
344 | ||
8cc6a083 | 345 | bisect_reset() { |
823ea121 | 346 | test -s "$GIT_DIR/BISECT_START" || { |
3145b1a2 | 347 | gettextln "We are not bisecting." |
fce0499f CC |
348 | return |
349 | } | |
8cc6a083 | 350 | case "$#" in |
823ea121 | 351 | 0) branch=$(cat "$GIT_DIR/BISECT_START") ;; |
7d0c2d6f | 352 | 1) git rev-parse --quiet --verify "$1^{commit}" > /dev/null || { |
6021be86 JS |
353 | invalid="$1" |
354 | die "$(eval_gettext "'\$invalid' is not a valid commit")" | |
355 | } | |
356 | branch="$1" ;; | |
8fe26f44 | 357 | *) |
6021be86 | 358 | usage ;; |
8cc6a083 | 359 | esac |
43b8ff4b JH |
360 | |
361 | if ! test -f "$GIT_DIR/BISECT_HEAD" && ! git checkout "$branch" -- | |
4796e823 | 362 | then |
43b8ff4b | 363 | die "$(eval_gettext "Could not check out original HEAD '\$branch'. |
15eaa049 | 364 | Try 'git bisect reset <commit>'.")" |
3bb8cf88 | 365 | fi |
4796e823 | 366 | bisect_clean_state |
e204de28 JH |
367 | } |
368 | ||
38a47fd6 | 369 | bisect_clean_state() { |
947a604b | 370 | # There may be some refs packed during bisection. |
634f2464 | 371 | git for-each-ref --format='%(refname) %(objectname)' refs/bisect/\* | |
947a604b CC |
372 | while read ref hash |
373 | do | |
823ea121 | 374 | git update-ref -d $ref $hash || exit |
947a604b | 375 | done |
c9c4e2d5 CC |
376 | rm -f "$GIT_DIR/BISECT_EXPECTED_REV" && |
377 | rm -f "$GIT_DIR/BISECT_ANCESTORS_OK" && | |
823ea121 CC |
378 | rm -f "$GIT_DIR/BISECT_LOG" && |
379 | rm -f "$GIT_DIR/BISECT_NAMES" && | |
380 | rm -f "$GIT_DIR/BISECT_RUN" && | |
9d0cd91c | 381 | # Cleanup head-name if it got left by an old version of git-bisect |
823ea121 | 382 | rm -f "$GIT_DIR/head-name" && |
4796e823 JS |
383 | git update-ref -d --no-deref BISECT_HEAD && |
384 | # clean up BISECT_START last | |
823ea121 | 385 | rm -f "$GIT_DIR/BISECT_START" |
38a47fd6 CC |
386 | } |
387 | ||
e204de28 | 388 | bisect_replay () { |
55a9fc80 ÆAB |
389 | file="$1" |
390 | test "$#" -eq 1 || die "$(gettext "No logfile given")" | |
391 | test -r "$file" || die "$(eval_gettext "cannot read \$file for replaying")" | |
e204de28 | 392 | bisect_reset |
6c98c054 | 393 | while read git bisect command rev |
e204de28 | 394 | do |
6c98c054 | 395 | test "$git $bisect" = "git bisect" -o "$git" = "git-bisect" || continue |
eef12a9a JS |
396 | if test "$git" = "git-bisect" |
397 | then | |
6c98c054 MV |
398 | rev="$command" |
399 | command="$bisect" | |
400 | fi | |
e204de28 JH |
401 | case "$command" in |
402 | start) | |
e9a45d75 | 403 | cmd="bisect_start $rev" |
737c74ee CC |
404 | eval "$cmd" ;; |
405 | good|bad|skip) | |
406 | bisect_write "$command" "$rev" ;; | |
e204de28 | 407 | *) |
9570fc1e | 408 | die "$(gettext "?? what are you talking about?")" ;; |
e204de28 | 409 | esac |
55a9fc80 | 410 | done <"$file" |
e204de28 | 411 | bisect_auto_next |
8cc6a083 LT |
412 | } |
413 | ||
a17c4101 | 414 | bisect_run () { |
6021be86 JS |
415 | bisect_next_check fail |
416 | ||
417 | while true | |
418 | do | |
419 | command="$@" | |
3145b1a2 | 420 | eval_gettextln "running \$command" |
6021be86 JS |
421 | "$@" |
422 | res=$? | |
423 | ||
424 | # Check for really bad run error. | |
eef12a9a JS |
425 | if [ $res -lt 0 -o $res -ge 128 ] |
426 | then | |
3145b1a2 JS |
427 | eval_gettextln "bisect run failed: |
428 | exit code \$res from '\$command' is < 0 or >= 128" >&2 | |
6021be86 JS |
429 | exit $res |
430 | fi | |
431 | ||
432 | # Find current state depending on run success or failure. | |
433 | # A special exit code of 125 means cannot test. | |
eef12a9a JS |
434 | if [ $res -eq 125 ] |
435 | then | |
6021be86 | 436 | state='skip' |
eef12a9a JS |
437 | elif [ $res -gt 0 ] |
438 | then | |
6021be86 JS |
439 | state='bad' |
440 | else | |
441 | state='good' | |
442 | fi | |
443 | ||
444 | # We have to use a subshell because "bisect_state" can exit. | |
445 | ( bisect_state $state > "$GIT_DIR/BISECT_RUN" ) | |
446 | res=$? | |
447 | ||
448 | cat "$GIT_DIR/BISECT_RUN" | |
449 | ||
450 | if sane_grep "first bad commit could be any of" "$GIT_DIR/BISECT_RUN" \ | |
eef12a9a JS |
451 | > /dev/null |
452 | then | |
3145b1a2 | 453 | gettextln "bisect run cannot continue any more" >&2 |
6021be86 JS |
454 | exit $res |
455 | fi | |
456 | ||
eef12a9a JS |
457 | if [ $res -ne 0 ] |
458 | then | |
3145b1a2 JS |
459 | eval_gettextln "bisect run failed: |
460 | 'bisect_state \$state' exited with error code \$res" >&2 | |
6021be86 JS |
461 | exit $res |
462 | fi | |
a17c4101 | 463 | |
eef12a9a JS |
464 | if sane_grep "is the first bad commit" "$GIT_DIR/BISECT_RUN" > /dev/null |
465 | then | |
3145b1a2 | 466 | gettextln "bisect run success" |
6021be86 JS |
467 | exit 0; |
468 | fi | |
a17c4101 | 469 | |
6021be86 | 470 | done |
a17c4101 CC |
471 | } |
472 | ||
412ff738 | 473 | bisect_log () { |
9570fc1e | 474 | test -s "$GIT_DIR/BISECT_LOG" || die "$(gettext "We are not bisecting.")" |
412ff738 SG |
475 | cat "$GIT_DIR/BISECT_LOG" |
476 | } | |
a17c4101 | 477 | |
8cc6a083 LT |
478 | case "$#" in |
479 | 0) | |
6021be86 | 480 | usage ;; |
8cc6a083 | 481 | *) |
6021be86 JS |
482 | cmd="$1" |
483 | shift | |
484 | case "$cmd" in | |
485 | help) | |
486 | git bisect -h ;; | |
487 | start) | |
488 | bisect_start "$@" ;; | |
489 | bad|good) | |
490 | bisect_state "$cmd" "$@" ;; | |
491 | skip) | |
492 | bisect_skip "$@" ;; | |
493 | next) | |
494 | # Not sure we want "next" at the UI level anymore. | |
495 | bisect_next "$@" ;; | |
496 | visualize|view) | |
497 | bisect_visualize "$@" ;; | |
498 | reset) | |
499 | bisect_reset "$@" ;; | |
500 | replay) | |
501 | bisect_replay "$@" ;; | |
502 | log) | |
503 | bisect_log ;; | |
504 | run) | |
505 | bisect_run "$@" ;; | |
506 | *) | |
507 | usage ;; | |
508 | esac | |
8cc6a083 | 509 | esac |