| 1 | #!/bin/sh |
| 2 | # |
| 3 | # Copyright (c) 2007 Christian Couder |
| 4 | # |
| 5 | test_description='Tests git bisect functionality' |
| 6 | |
| 7 | exec </dev/null |
| 8 | |
| 9 | GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main |
| 10 | export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME |
| 11 | |
| 12 | . ./test-lib.sh |
| 13 | |
| 14 | add_line_into_file() |
| 15 | { |
| 16 | _line=$1 |
| 17 | _file=$2 |
| 18 | |
| 19 | if [ -f "$_file" ]; then |
| 20 | echo "$_line" >> $_file || return $? |
| 21 | MSG="Add <$_line> into <$_file>." |
| 22 | else |
| 23 | echo "$_line" > $_file || return $? |
| 24 | git add $_file || return $? |
| 25 | MSG="Create file <$_file> with <$_line> inside." |
| 26 | fi |
| 27 | |
| 28 | test_tick |
| 29 | git commit --quiet -m "$MSG" $_file |
| 30 | } |
| 31 | |
| 32 | HASH1= |
| 33 | HASH2= |
| 34 | HASH3= |
| 35 | HASH4= |
| 36 | |
| 37 | test_bisect_usage () { |
| 38 | local code="$1" && |
| 39 | shift && |
| 40 | cat >expect && |
| 41 | test_expect_code $code "$@" >out 2>actual && |
| 42 | test_must_be_empty out && |
| 43 | test_cmp expect actual |
| 44 | } |
| 45 | |
| 46 | test_bisect_state_file () { |
| 47 | local file && |
| 48 | file=$(git rev-parse --git-path "$1") && |
| 49 | test_path_is_file "$file" |
| 50 | } |
| 51 | |
| 52 | test_bisect_state_missing () { |
| 53 | local file && |
| 54 | file=$(git rev-parse --git-path "$1") && |
| 55 | test_path_is_missing "$file" |
| 56 | } |
| 57 | |
| 58 | bisect_start_and_finish () { |
| 59 | git bisect start "$1" $HASH4 $HASH2 && |
| 60 | git bisect bad |
| 61 | } |
| 62 | |
| 63 | bisect_run_reset_when_found () { |
| 64 | write_script test_script.sh <<-\EOF && |
| 65 | ! grep Another hello >/dev/null |
| 66 | EOF |
| 67 | git bisect start $HASH4 $HASH2 && |
| 68 | git bisect run "$1" ./test_script.sh >my_bisect_log.txt && |
| 69 | test_grep "$HASH3 is the first .bad. commit" my_bisect_log.txt && |
| 70 | test_bisect_state_missing BISECT_RUN |
| 71 | } |
| 72 | |
| 73 | test_reset_when_found_fails () { |
| 74 | local pattern="$1" && |
| 75 | local state_file="$2" && |
| 76 | shift 2 && |
| 77 | test_must_fail "$@" 2>err && |
| 78 | test_grep -- "$pattern" err && |
| 79 | test_bisect_state_missing "$state_file" |
| 80 | } |
| 81 | |
| 82 | test_expect_success 'bisect usage' " |
| 83 | test_bisect_usage 1 git bisect reset extra1 extra2 <<-\EOF && |
| 84 | error: 'git bisect reset' requires either no argument or a commit |
| 85 | EOF |
| 86 | test_bisect_usage 1 git bisect terms extra1 extra2 <<-\EOF && |
| 87 | error: 'git bisect terms' requires 0 or 1 argument |
| 88 | EOF |
| 89 | test_bisect_usage 1 git bisect next extra1 <<-\EOF && |
| 90 | error: 'git bisect next' requires 0 arguments |
| 91 | EOF |
| 92 | test_bisect_usage 1 git bisect log extra1 <<-\EOF && |
| 93 | error: We are not bisecting. |
| 94 | EOF |
| 95 | test_bisect_usage 1 git bisect replay <<-\EOF && |
| 96 | error: no logfile given |
| 97 | EOF |
| 98 | test_bisect_usage 1 git bisect run <<-\EOF |
| 99 | error: 'git bisect run' failed: no command provided. |
| 100 | EOF |
| 101 | " |
| 102 | |
| 103 | test_expect_success 'set up basic repo with 1 file (hello) and 4 commits' ' |
| 104 | add_line_into_file "1: Hello World" hello && |
| 105 | HASH1=$(git rev-parse --verify HEAD) && |
| 106 | add_line_into_file "2: A new day for git" hello && |
| 107 | HASH2=$(git rev-parse --verify HEAD) && |
| 108 | add_line_into_file "3: Another new day for git" hello && |
| 109 | HASH3=$(git rev-parse --verify HEAD) && |
| 110 | add_line_into_file "4: Ciao for now" hello && |
| 111 | HASH4=$(git rev-parse --verify HEAD) |
| 112 | ' |
| 113 | |
| 114 | test_expect_success 'bisect starts with only one bad' ' |
| 115 | git bisect reset && |
| 116 | git bisect start && |
| 117 | git bisect bad $HASH4 && |
| 118 | git bisect next |
| 119 | ' |
| 120 | |
| 121 | test_expect_success 'bisect does not start with only one good' ' |
| 122 | git bisect reset && |
| 123 | git bisect start && |
| 124 | git bisect good $HASH1 && |
| 125 | test_must_fail git bisect next |
| 126 | ' |
| 127 | |
| 128 | test_expect_success 'bisect start with one bad and good' ' |
| 129 | git bisect reset && |
| 130 | git bisect start && |
| 131 | git bisect good $HASH1 && |
| 132 | git bisect bad $HASH4 && |
| 133 | git bisect next |
| 134 | ' |
| 135 | |
| 136 | test_expect_success 'bisect fails if given any junk instead of revs' ' |
| 137 | git bisect reset && |
| 138 | test_must_fail git bisect start foo $HASH1 -- && |
| 139 | test_must_fail git bisect start $HASH4 $HASH1 bar -- && |
| 140 | test -z "$(git for-each-ref "refs/bisect/*")" && |
| 141 | test -z "$(ls .git/BISECT_* 2>/dev/null)" && |
| 142 | git bisect start && |
| 143 | test_must_fail git bisect good foo $HASH1 && |
| 144 | test_must_fail git bisect good $HASH1 bar && |
| 145 | test_must_fail git bisect bad frotz && |
| 146 | test_must_fail git bisect bad $HASH3 $HASH4 && |
| 147 | test_must_fail git bisect skip bar $HASH3 && |
| 148 | test_must_fail git bisect skip $HASH1 foo && |
| 149 | test -z "$(git for-each-ref "refs/bisect/*")" && |
| 150 | git bisect good $HASH1 && |
| 151 | git bisect bad $HASH4 |
| 152 | ' |
| 153 | |
| 154 | test_expect_success 'bisect start without -- takes unknown arg as pathspec' ' |
| 155 | git bisect reset && |
| 156 | git bisect start foo bar && |
| 157 | test_grep foo ".git/BISECT_NAMES" && |
| 158 | test_grep bar ".git/BISECT_NAMES" |
| 159 | ' |
| 160 | |
| 161 | test_expect_success 'bisect reset: back in a branch checked out also elsewhere' ' |
| 162 | echo "shared" > branch.expect && |
| 163 | test_bisect_reset() { |
| 164 | git -C $1 bisect start && |
| 165 | git -C $1 bisect good $HASH1 && |
| 166 | git -C $1 bisect bad $HASH3 && |
| 167 | git -C $1 bisect reset && |
| 168 | git -C $1 branch --show-current > branch.output && |
| 169 | cmp branch.expect branch.output |
| 170 | } && |
| 171 | test_when_finished " |
| 172 | git worktree remove wt1 && |
| 173 | git worktree remove wt2 && |
| 174 | git branch -d shared |
| 175 | " && |
| 176 | git worktree add wt1 -b shared && |
| 177 | git worktree add wt2 -f shared && |
| 178 | # we test in both worktrees to ensure that works |
| 179 | # as expected with "first" and "next" worktrees |
| 180 | test_bisect_reset wt1 && |
| 181 | test_bisect_reset wt2 |
| 182 | ' |
| 183 | |
| 184 | test_expect_success 'bisect reset: back in the main branch' ' |
| 185 | git bisect reset && |
| 186 | echo "* main" > branch.expect && |
| 187 | git branch > branch.output && |
| 188 | cmp branch.expect branch.output |
| 189 | ' |
| 190 | |
| 191 | test_expect_success 'bisect reset: back in another branch' ' |
| 192 | git checkout -b other && |
| 193 | git bisect start && |
| 194 | git bisect good $HASH1 && |
| 195 | git bisect bad $HASH3 && |
| 196 | git bisect reset && |
| 197 | echo " main" > branch.expect && |
| 198 | echo "* other" >> branch.expect && |
| 199 | git branch > branch.output && |
| 200 | cmp branch.expect branch.output |
| 201 | ' |
| 202 | |
| 203 | test_expect_success 'bisect reset when not bisecting' ' |
| 204 | git bisect reset && |
| 205 | git branch > branch.output && |
| 206 | cmp branch.expect branch.output |
| 207 | ' |
| 208 | |
| 209 | test_expect_success 'bisect reset cleans up even when not bisecting' ' |
| 210 | echo garbage >.git/BISECT_LOG && |
| 211 | git bisect reset && |
| 212 | test_path_is_missing .git/BISECT_LOG |
| 213 | ' |
| 214 | |
| 215 | test_expect_success 'bisect reset removes packed refs' ' |
| 216 | git bisect reset && |
| 217 | git bisect start && |
| 218 | git bisect good $HASH1 && |
| 219 | git bisect bad $HASH3 && |
| 220 | git pack-refs --all --prune && |
| 221 | git bisect next && |
| 222 | git bisect reset && |
| 223 | test -z "$(git for-each-ref "refs/bisect/*")" && |
| 224 | test -z "$(git for-each-ref "refs/heads/bisect")" |
| 225 | ' |
| 226 | |
| 227 | test_expect_success 'bisect reset removes bisect state after --no-checkout' ' |
| 228 | git bisect reset && |
| 229 | git bisect start --no-checkout && |
| 230 | git bisect good $HASH1 && |
| 231 | git bisect bad $HASH3 && |
| 232 | git bisect next && |
| 233 | git bisect reset && |
| 234 | test -z "$(git for-each-ref "refs/bisect/*")" && |
| 235 | test -z "$(git for-each-ref "refs/heads/bisect")" && |
| 236 | test -z "$(git for-each-ref "BISECT_HEAD")" |
| 237 | ' |
| 238 | |
| 239 | test_expect_success 'bisect start: back in good branch' ' |
| 240 | git branch > branch.output && |
| 241 | grep "* other" branch.output > /dev/null && |
| 242 | git bisect start $HASH4 $HASH1 -- && |
| 243 | git bisect good && |
| 244 | git bisect start $HASH4 $HASH1 -- && |
| 245 | git bisect bad && |
| 246 | git bisect reset && |
| 247 | git branch > branch.output && |
| 248 | grep "* other" branch.output > /dev/null |
| 249 | ' |
| 250 | |
| 251 | test_expect_success 'bisect start: no ".git/BISECT_START" created if junk rev' ' |
| 252 | git bisect reset && |
| 253 | test_must_fail git bisect start $HASH4 foo -- && |
| 254 | git branch > branch.output && |
| 255 | grep "* other" branch.output > /dev/null && |
| 256 | test_path_is_missing .git/BISECT_START |
| 257 | ' |
| 258 | |
| 259 | test_expect_success 'bisect start: existing ".git/BISECT_START" not modified if junk rev' ' |
| 260 | git bisect start $HASH4 $HASH1 -- && |
| 261 | git bisect good && |
| 262 | cp .git/BISECT_START saved && |
| 263 | test_must_fail git bisect start $HASH4 foo -- && |
| 264 | git branch > branch.output && |
| 265 | test_grep "* (no branch, bisect started on other)" branch.output > /dev/null && |
| 266 | test_cmp saved .git/BISECT_START |
| 267 | ' |
| 268 | test_expect_success 'bisect start: no ".git/BISECT_START" if mistaken rev' ' |
| 269 | git bisect start $HASH4 $HASH1 -- && |
| 270 | git bisect good && |
| 271 | test_must_fail git bisect start $HASH1 $HASH4 -- && |
| 272 | git branch > branch.output && |
| 273 | grep "* other" branch.output > /dev/null && |
| 274 | test_path_is_missing .git/BISECT_START |
| 275 | ' |
| 276 | |
| 277 | test_expect_success 'bisect start: no ".git/BISECT_START" if checkout error' ' |
| 278 | echo "temp stuff" > hello && |
| 279 | test_must_fail git bisect start $HASH4 $HASH1 -- && |
| 280 | git branch && |
| 281 | git branch > branch.output && |
| 282 | grep "* other" branch.output > /dev/null && |
| 283 | test_path_is_missing .git/BISECT_START && |
| 284 | test -z "$(git for-each-ref "refs/bisect/*")" && |
| 285 | git checkout HEAD hello |
| 286 | ' |
| 287 | |
| 288 | # $HASH1 is good, $HASH4 is bad, we skip $HASH3 |
| 289 | # but $HASH2 is bad, |
| 290 | # so we should find $HASH2 as the first bad commit |
| 291 | test_expect_success 'bisect skip: successful result' ' |
| 292 | test_when_finished git bisect reset && |
| 293 | git bisect reset && |
| 294 | git bisect start $HASH4 $HASH1 && |
| 295 | git bisect skip && |
| 296 | git bisect bad > my_bisect_log.txt && |
| 297 | test_grep "$HASH2 is the first '\''bad'\'' commit" my_bisect_log.txt |
| 298 | ' |
| 299 | |
| 300 | # $HASH1 is good, $HASH4 is bad, we skip $HASH3 and $HASH2 |
| 301 | # so we should not be able to tell the first bad commit |
| 302 | # among $HASH2, $HASH3 and $HASH4 |
| 303 | test_expect_success 'bisect skip: cannot tell between 3 commits' ' |
| 304 | test_when_finished git bisect reset && |
| 305 | git bisect start $HASH4 $HASH1 && |
| 306 | git bisect skip && |
| 307 | test_expect_code 2 git bisect skip >my_bisect_log.txt && |
| 308 | test_grep "first '\''bad'\'' commit could be any of" my_bisect_log.txt && |
| 309 | test_grep ! $HASH1 my_bisect_log.txt && |
| 310 | test_grep $HASH2 my_bisect_log.txt && |
| 311 | test_grep $HASH3 my_bisect_log.txt && |
| 312 | test_grep $HASH4 my_bisect_log.txt |
| 313 | ' |
| 314 | |
| 315 | # $HASH1 is good, $HASH4 is bad, we skip $HASH3 |
| 316 | # but $HASH2 is good, |
| 317 | # so we should not be able to tell the first bad commit |
| 318 | # among $HASH3 and $HASH4 |
| 319 | test_expect_success 'bisect skip: cannot tell between 2 commits' ' |
| 320 | test_when_finished git bisect reset && |
| 321 | git bisect start $HASH4 $HASH1 && |
| 322 | git bisect skip && |
| 323 | test_expect_code 2 git bisect good >my_bisect_log.txt && |
| 324 | test_grep "first '\''bad'\'' commit could be any of" my_bisect_log.txt && |
| 325 | test_grep ! $HASH1 my_bisect_log.txt && |
| 326 | test_grep ! $HASH2 my_bisect_log.txt && |
| 327 | test_grep $HASH3 my_bisect_log.txt && |
| 328 | test_grep $HASH4 my_bisect_log.txt |
| 329 | ' |
| 330 | |
| 331 | # $HASH1 is good, $HASH4 is both skipped and bad, we skip $HASH3 |
| 332 | # and $HASH2 is good, |
| 333 | # so we should not be able to tell the first bad commit |
| 334 | # among $HASH3 and $HASH4 |
| 335 | test_expect_success 'bisect skip: with commit both bad and skipped' ' |
| 336 | test_when_finished git bisect reset && |
| 337 | git bisect start && |
| 338 | git bisect skip && |
| 339 | git bisect bad && |
| 340 | git bisect good $HASH1 && |
| 341 | git bisect skip && |
| 342 | test_expect_code 2 git bisect good >my_bisect_log.txt && |
| 343 | test_grep "first '\''bad'\'' commit could be any of" my_bisect_log.txt && |
| 344 | test_grep ! $HASH1 my_bisect_log.txt && |
| 345 | test_grep ! $HASH2 my_bisect_log.txt && |
| 346 | test_grep $HASH3 my_bisect_log.txt && |
| 347 | test_grep $HASH4 my_bisect_log.txt |
| 348 | ' |
| 349 | |
| 350 | test_bisect_run_args () { |
| 351 | test_when_finished "rm -f run.sh actual" && |
| 352 | >actual && |
| 353 | cat >expect.args && |
| 354 | cat <&6 >expect.out && |
| 355 | cat <&7 >expect.err && |
| 356 | write_script run.sh <<-\EOF && |
| 357 | while test $# != 0 |
| 358 | do |
| 359 | echo "<$1>" && |
| 360 | shift |
| 361 | done >actual.args |
| 362 | EOF |
| 363 | |
| 364 | test_when_finished "git bisect reset" && |
| 365 | git bisect start && |
| 366 | git bisect good $HASH1 && |
| 367 | git bisect bad $HASH4 && |
| 368 | git bisect run ./run.sh $@ >actual.out.raw 2>actual.err && |
| 369 | # Prune just the log output |
| 370 | sed -n \ |
| 371 | -e '/^Author:/d' \ |
| 372 | -e '/^Date:/d' \ |
| 373 | -e '/^$/d' \ |
| 374 | -e '/^commit /d' \ |
| 375 | -e '/^ /d' \ |
| 376 | -e 'p' \ |
| 377 | <actual.out.raw >actual.out && |
| 378 | test_cmp expect.out actual.out && |
| 379 | test_cmp expect.err actual.err && |
| 380 | test_cmp expect.args actual.args |
| 381 | } |
| 382 | |
| 383 | test_expect_success 'git bisect run: args, stdout and stderr with no arguments' " |
| 384 | test_bisect_run_args <<-'EOF_ARGS' 6<<-EOF_OUT 7<<-'EOF_ERR' |
| 385 | EOF_ARGS |
| 386 | running './run.sh' |
| 387 | $HASH4 is the first 'bad' commit |
| 388 | bisect found first 'bad' commit |
| 389 | EOF_OUT |
| 390 | EOF_ERR |
| 391 | " |
| 392 | |
| 393 | test_expect_success 'git bisect run: args, stdout and stderr: "--" argument' " |
| 394 | test_bisect_run_args -- <<-'EOF_ARGS' 6<<-EOF_OUT 7<<-'EOF_ERR' |
| 395 | <--> |
| 396 | EOF_ARGS |
| 397 | running './run.sh' '--' |
| 398 | $HASH4 is the first 'bad' commit |
| 399 | bisect found first 'bad' commit |
| 400 | EOF_OUT |
| 401 | EOF_ERR |
| 402 | " |
| 403 | |
| 404 | test_expect_success 'git bisect run: args, stdout and stderr: "--log foo --no-log bar" arguments' " |
| 405 | test_bisect_run_args --log foo --no-log bar <<-'EOF_ARGS' 6<<-EOF_OUT 7<<-'EOF_ERR' |
| 406 | <--log> |
| 407 | <foo> |
| 408 | <--no-log> |
| 409 | <bar> |
| 410 | EOF_ARGS |
| 411 | running './run.sh' '--log' 'foo' '--no-log' 'bar' |
| 412 | $HASH4 is the first 'bad' commit |
| 413 | bisect found first 'bad' commit |
| 414 | EOF_OUT |
| 415 | EOF_ERR |
| 416 | " |
| 417 | |
| 418 | test_expect_success 'git bisect run: args, stdout and stderr: "--bisect-start" argument' " |
| 419 | test_bisect_run_args --bisect-start <<-'EOF_ARGS' 6<<-EOF_OUT 7<<-'EOF_ERR' |
| 420 | <--bisect-start> |
| 421 | EOF_ARGS |
| 422 | running './run.sh' '--bisect-start' |
| 423 | $HASH4 is the first 'bad' commit |
| 424 | bisect found first 'bad' commit |
| 425 | EOF_OUT |
| 426 | EOF_ERR |
| 427 | " |
| 428 | |
| 429 | test_expect_success 'git bisect run: negative exit code' " |
| 430 | write_script fail.sh <<-'EOF' && |
| 431 | exit 255 |
| 432 | EOF |
| 433 | cat <<-'EOF' >expect && |
| 434 | bisect run failed: exit code -1 from './fail.sh' is < 0 or >= 128 |
| 435 | EOF |
| 436 | test_when_finished 'git bisect reset' && |
| 437 | git bisect start && |
| 438 | git bisect good $HASH1 && |
| 439 | git bisect bad $HASH4 && |
| 440 | ! git bisect run ./fail.sh 2>err && |
| 441 | sed -E -n 's/.*(bisect.*code) (-?[0-9]+) (from.*)/\1 -1 \3/p' err >actual && |
| 442 | test_cmp expect actual |
| 443 | " |
| 444 | |
| 445 | test_expect_success 'git bisect run: unable to verify on good' " |
| 446 | write_script fail.sh <<-'EOF' && |
| 447 | head=\$(git rev-parse --verify HEAD) |
| 448 | good=\$(git rev-parse --verify $HASH1) |
| 449 | if test "\$head" = "\$good" |
| 450 | then |
| 451 | exit 255 |
| 452 | else |
| 453 | exit 127 |
| 454 | fi |
| 455 | EOF |
| 456 | cat <<-'EOF' >expect && |
| 457 | unable to verify './fail.sh' on 'good' revision |
| 458 | EOF |
| 459 | test_when_finished 'git bisect reset' && |
| 460 | git bisect start && |
| 461 | git bisect good $HASH1 && |
| 462 | git bisect bad $HASH4 && |
| 463 | ! git bisect run ./fail.sh 2>err && |
| 464 | sed -n 's/.*\(unable to verify.*\)/\1/p' err >actual && |
| 465 | test_cmp expect actual |
| 466 | " |
| 467 | |
| 468 | # We want to automatically find the commit that |
| 469 | # added "Another" into hello. |
| 470 | test_expect_success '"git bisect run" simple case' ' |
| 471 | write_script test_script.sh <<-\EOF && |
| 472 | ! grep Another hello >/dev/null |
| 473 | EOF |
| 474 | git bisect start && |
| 475 | git bisect good $HASH1 && |
| 476 | git bisect bad $HASH4 && |
| 477 | git bisect run ./test_script.sh >my_bisect_log.txt && |
| 478 | test_grep "$HASH3 is the first '\''bad'\'' commit" my_bisect_log.txt && |
| 479 | git bisect reset |
| 480 | ' |
| 481 | |
| 482 | # We want to make sure no arguments has been eaten |
| 483 | test_expect_success '"git bisect run" simple case' ' |
| 484 | git bisect start && |
| 485 | git bisect good $HASH1 && |
| 486 | git bisect bad $HASH4 && |
| 487 | git bisect run printf "%s %s\n" reset --bisect-skip >my_bisect_log.txt && |
| 488 | test_grep -e "reset --bisect-skip" my_bisect_log.txt && |
| 489 | git bisect reset |
| 490 | ' |
| 491 | |
| 492 | test_expect_success '"git bisect start --reset-when-found" defaults to original' ' |
| 493 | test_when_finished "git bisect reset && git checkout main" && |
| 494 | git checkout main && |
| 495 | bisect_start_and_finish --reset-when-found && |
| 496 | actual=$(git rev-parse HEAD) && |
| 497 | test "$HASH4" = "$actual" && |
| 498 | actual=$(git branch --show-current) && |
| 499 | test main = "$actual" && |
| 500 | test_bisect_state_missing BISECT_START && |
| 501 | |
| 502 | bisect_start_and_finish --reset-when-found=original && |
| 503 | actual=$(git rev-parse HEAD) && |
| 504 | test "$HASH4" = "$actual" && |
| 505 | actual=$(git branch --show-current) && |
| 506 | test main = "$actual" && |
| 507 | test_bisect_state_missing BISECT_START |
| 508 | ' |
| 509 | |
| 510 | test_expect_success '"git bisect start --reset-when-found=found" leaves first bad checked out' ' |
| 511 | test_when_finished "git bisect reset && git checkout main" && |
| 512 | bisect_start_and_finish --reset-when-found=found && |
| 513 | actual=$(git rev-parse HEAD) && |
| 514 | test "$HASH3" = "$actual" && |
| 515 | test_bisect_state_missing BISECT_START |
| 516 | ' |
| 517 | |
| 518 | test_expect_success '"git bisect run --reset-when-found" defaults to original' ' |
| 519 | test_when_finished "git bisect reset && git checkout main" && |
| 520 | bisect_run_reset_when_found --reset-when-found && |
| 521 | actual=$(git rev-parse HEAD) && |
| 522 | test "$HASH4" = "$actual" && |
| 523 | actual=$(git branch --show-current) && |
| 524 | test main = "$actual" && |
| 525 | test_bisect_state_missing BISECT_START |
| 526 | ' |
| 527 | |
| 528 | test_expect_success '"git bisect run --reset-when-found=found" leaves first bad checked out' ' |
| 529 | test_when_finished "git bisect reset && git checkout main" && |
| 530 | bisect_run_reset_when_found --reset-when-found=found && |
| 531 | actual=$(git rev-parse HEAD) && |
| 532 | test "$HASH3" = "$actual" && |
| 533 | test_bisect_state_missing BISECT_START |
| 534 | ' |
| 535 | |
| 536 | test_expect_success '--reset-when-found rejects an unknown reset target' ' |
| 537 | test_when_finished "git bisect reset && git checkout main" && |
| 538 | test_reset_when_found_fails \ |
| 539 | "invalid value for.*--reset-when-found.*unknown" BISECT_START \ |
| 540 | git bisect start --reset-when-found=unknown $HASH4 $HASH2 && |
| 541 | |
| 542 | git bisect start $HASH4 $HASH2 && |
| 543 | test_reset_when_found_fails \ |
| 544 | "invalid value for.*--reset-when-found.*unknown" \ |
| 545 | BISECT_RESET_WHEN_FOUND \ |
| 546 | git bisect run --reset-when-found=unknown true |
| 547 | ' |
| 548 | |
| 549 | test_expect_success '--reset-when-found cannot be used with --no-checkout' ' |
| 550 | test_when_finished "git bisect reset" && |
| 551 | test_reset_when_found_fails \ |
| 552 | "options .*--reset-when-found.* and .*--no-checkout.* cannot be used together" BISECT_START \ |
| 553 | git bisect start --reset-when-found=original --no-checkout $HASH4 $HASH2 && |
| 554 | |
| 555 | git bisect start --no-checkout $HASH4 $HASH2 && |
| 556 | test_reset_when_found_fails \ |
| 557 | "options .*--reset-when-found.* and .*--no-checkout.* cannot be used together" BISECT_RESET_WHEN_FOUND \ |
| 558 | git bisect run --reset-when-found=found true |
| 559 | ' |
| 560 | |
| 561 | test_expect_success 'without --reset-when-found the bisection state is kept' ' |
| 562 | test_when_finished "git bisect reset" && |
| 563 | git bisect start $HASH4 $HASH2 && |
| 564 | git bisect bad && |
| 565 | test_bisect_state_file BISECT_START |
| 566 | ' |
| 567 | |
| 568 | test_expect_success '--reset-when-found does not leak into a later bisection' ' |
| 569 | test_when_finished "git bisect reset && git checkout main" && |
| 570 | bisect_start_and_finish --reset-when-found && |
| 571 | |
| 572 | git bisect start $HASH4 $HASH2 && |
| 573 | git bisect bad && |
| 574 | test_bisect_state_file BISECT_START |
| 575 | ' |
| 576 | |
| 577 | # We want to automatically find the commit that |
| 578 | # added "Ciao" into hello. |
| 579 | test_expect_success '"git bisect run" with more complex "git bisect start"' ' |
| 580 | write_script test_script.sh <<-\EOF && |
| 581 | ! grep Ciao hello >/dev/null |
| 582 | EOF |
| 583 | git bisect start $HASH4 $HASH1 && |
| 584 | git bisect run ./test_script.sh >my_bisect_log.txt && |
| 585 | test_grep "$HASH4 is the first '\''bad'\'' commit" my_bisect_log.txt && |
| 586 | git bisect reset |
| 587 | ' |
| 588 | |
| 589 | test_expect_success 'bisect run accepts exit code 126 as bad' ' |
| 590 | test_when_finished "git bisect reset" && |
| 591 | write_script test_script.sh <<-\EOF && |
| 592 | ! grep Another hello || exit 126 >/dev/null |
| 593 | EOF |
| 594 | git bisect start && |
| 595 | git bisect good $HASH1 && |
| 596 | git bisect bad $HASH4 && |
| 597 | git bisect run ./test_script.sh >my_bisect_log.txt && |
| 598 | test_grep "$HASH3 is the first '\''bad'\'' commit" my_bisect_log.txt |
| 599 | ' |
| 600 | |
| 601 | test_expect_success POSIXPERM 'bisect run fails with non-executable test script' ' |
| 602 | test_when_finished "git bisect reset" && |
| 603 | >not-executable.sh && |
| 604 | chmod -x not-executable.sh && |
| 605 | git bisect start && |
| 606 | git bisect good $HASH1 && |
| 607 | git bisect bad $HASH4 && |
| 608 | test_must_fail git bisect run ./not-executable.sh >my_bisect_log.txt && |
| 609 | test_grep ! "is the first '\''bad'\'' commit" my_bisect_log.txt |
| 610 | ' |
| 611 | |
| 612 | test_expect_success 'bisect run accepts exit code 127 as bad' ' |
| 613 | test_when_finished "git bisect reset" && |
| 614 | write_script test_script.sh <<-\EOF && |
| 615 | ! grep Another hello || exit 127 >/dev/null |
| 616 | EOF |
| 617 | git bisect start && |
| 618 | git bisect good $HASH1 && |
| 619 | git bisect bad $HASH4 && |
| 620 | git bisect run ./test_script.sh >my_bisect_log.txt && |
| 621 | test_grep "$HASH3 is the first '\''bad'\'' commit" my_bisect_log.txt |
| 622 | ' |
| 623 | |
| 624 | test_expect_success 'bisect run fails with missing test script' ' |
| 625 | test_when_finished "git bisect reset" && |
| 626 | rm -f does-not-exist.sh && |
| 627 | git bisect start && |
| 628 | git bisect good $HASH1 && |
| 629 | git bisect bad $HASH4 && |
| 630 | test_must_fail git bisect run ./does-not-exist.sh >my_bisect_log.txt && |
| 631 | test_grep ! "is the first '\''bad'\'' commit" my_bisect_log.txt |
| 632 | ' |
| 633 | |
| 634 | # $HASH1 is good, $HASH5 is bad, we skip $HASH3 |
| 635 | # but $HASH4 is good, |
| 636 | # so we should find $HASH5 as the first bad commit |
| 637 | HASH5= |
| 638 | test_expect_success 'bisect skip: add line and then a new test' ' |
| 639 | add_line_into_file "5: Another new line." hello && |
| 640 | HASH5=$(git rev-parse --verify HEAD) && |
| 641 | git bisect start $HASH5 $HASH1 && |
| 642 | git bisect skip && |
| 643 | git bisect good > my_bisect_log.txt && |
| 644 | test_grep "$HASH5 is the first '\''bad'\'' commit" my_bisect_log.txt && |
| 645 | git bisect log > log_to_replay.txt && |
| 646 | git bisect reset |
| 647 | ' |
| 648 | |
| 649 | test_expect_success 'bisect skip and bisect replay' ' |
| 650 | git bisect replay log_to_replay.txt > my_bisect_log.txt && |
| 651 | test_grep "$HASH5 is the first '\''bad'\'' commit" my_bisect_log.txt && |
| 652 | git bisect reset |
| 653 | ' |
| 654 | |
| 655 | HASH6= |
| 656 | test_expect_success 'bisect run & skip: cannot tell between 2' ' |
| 657 | add_line_into_file "6: Yet a line." hello && |
| 658 | HASH6=$(git rev-parse --verify HEAD) && |
| 659 | write_script test_script.sh <<-\EOF && |
| 660 | sed -ne \$p hello | grep Ciao >/dev/null && exit 125 |
| 661 | ! grep line hello >/dev/null |
| 662 | EOF |
| 663 | git bisect start $HASH6 $HASH1 && |
| 664 | test_expect_code 2 git bisect run ./test_script.sh >my_bisect_log.txt && |
| 665 | test_grep "first '\''bad'\'' commit could be any of" my_bisect_log.txt && |
| 666 | test_grep ! $HASH3 my_bisect_log.txt && |
| 667 | test_grep ! $HASH6 my_bisect_log.txt && |
| 668 | test_grep $HASH4 my_bisect_log.txt && |
| 669 | test_grep $HASH5 my_bisect_log.txt |
| 670 | ' |
| 671 | |
| 672 | HASH7= |
| 673 | test_expect_success 'bisect run & skip: find first bad' ' |
| 674 | git bisect reset && |
| 675 | add_line_into_file "7: Should be the last line." hello && |
| 676 | HASH7=$(git rev-parse --verify HEAD) && |
| 677 | write_script test_script.sh <<-\EOF && |
| 678 | sed -ne \$p hello | grep Ciao >/dev/null && exit 125 |
| 679 | sed -ne \$p hello | grep day >/dev/null && exit 125 |
| 680 | ! grep Yet hello >/dev/null |
| 681 | EOF |
| 682 | git bisect start $HASH7 $HASH1 && |
| 683 | git bisect run ./test_script.sh >my_bisect_log.txt && |
| 684 | test_grep "$HASH6 is the first '\''bad'\'' commit" my_bisect_log.txt |
| 685 | ' |
| 686 | |
| 687 | test_expect_success 'bisect skip only one range' ' |
| 688 | git bisect reset && |
| 689 | git bisect start $HASH7 $HASH1 && |
| 690 | git bisect skip $HASH1..$HASH5 && |
| 691 | test "$HASH6" = "$(git rev-parse --verify HEAD)" && |
| 692 | test_must_fail git bisect bad > my_bisect_log.txt && |
| 693 | test_grep "first '\''bad'\'' commit could be any of" my_bisect_log.txt |
| 694 | ' |
| 695 | |
| 696 | test_expect_success 'bisect skip many ranges' ' |
| 697 | git bisect start $HASH7 $HASH1 && |
| 698 | test "$HASH4" = "$(git rev-parse --verify HEAD)" && |
| 699 | git bisect skip $HASH2 $HASH2.. ..$HASH5 && |
| 700 | test "$HASH6" = "$(git rev-parse --verify HEAD)" && |
| 701 | test_must_fail git bisect bad > my_bisect_log.txt && |
| 702 | test_grep "first '\''bad'\'' commit could be any of" my_bisect_log.txt |
| 703 | ' |
| 704 | |
| 705 | test_expect_success 'bisect starting with a detached HEAD' ' |
| 706 | git bisect reset && |
| 707 | git checkout main^ && |
| 708 | HEAD=$(git rev-parse --verify HEAD) && |
| 709 | git bisect start && |
| 710 | test $HEAD = $(cat .git/BISECT_START) && |
| 711 | git bisect reset && |
| 712 | test $HEAD = $(git rev-parse --verify HEAD) |
| 713 | ' |
| 714 | |
| 715 | test_expect_success 'bisect errors out if bad and good are mistaken' ' |
| 716 | git bisect reset && |
| 717 | test_must_fail git bisect start $HASH2 $HASH4 2> rev_list_error && |
| 718 | test_grep "mistook '\''good'\'' and '\''bad'\''" rev_list_error && |
| 719 | git bisect reset |
| 720 | ' |
| 721 | |
| 722 | test_expect_success 'bisect does not create a "bisect" branch' ' |
| 723 | git bisect reset && |
| 724 | git bisect start $HASH7 $HASH1 && |
| 725 | git branch bisect && |
| 726 | rev_hash4=$(git rev-parse --verify HEAD) && |
| 727 | test "$rev_hash4" = "$HASH4" && |
| 728 | git branch -D bisect && |
| 729 | git bisect good && |
| 730 | git branch bisect && |
| 731 | rev_hash6=$(git rev-parse --verify HEAD) && |
| 732 | test "$rev_hash6" = "$HASH6" && |
| 733 | git bisect good > my_bisect_log.txt && |
| 734 | test_grep "$HASH7 is the first '\''bad'\'' commit" my_bisect_log.txt && |
| 735 | git bisect reset && |
| 736 | rev_hash6=$(git rev-parse --verify bisect) && |
| 737 | test "$rev_hash6" = "$HASH6" && |
| 738 | git branch -D bisect |
| 739 | ' |
| 740 | |
| 741 | # This creates a "side" branch to test "siblings" cases. |
| 742 | # |
| 743 | # H1-H2-H3-H4-H5-H6-H7 <--other |
| 744 | # \ |
| 745 | # S5-S6-S7 <--side |
| 746 | # |
| 747 | test_expect_success 'side branch creation' ' |
| 748 | git bisect reset && |
| 749 | git checkout -b side $HASH4 && |
| 750 | add_line_into_file "5(side): first line on a side branch" hello2 && |
| 751 | SIDE_HASH5=$(git rev-parse --verify HEAD) && |
| 752 | add_line_into_file "6(side): second line on a side branch" hello2 && |
| 753 | SIDE_HASH6=$(git rev-parse --verify HEAD) && |
| 754 | add_line_into_file "7(side): third line on a side branch" hello2 && |
| 755 | SIDE_HASH7=$(git rev-parse --verify HEAD) |
| 756 | ' |
| 757 | |
| 758 | test_expect_success 'good merge base when good and bad are siblings' ' |
| 759 | git bisect start "$HASH7" "$SIDE_HASH7" > my_bisect_log.txt && |
| 760 | test_grep "merge base must be tested" my_bisect_log.txt && |
| 761 | test_grep $HASH4 my_bisect_log.txt && |
| 762 | git bisect good > my_bisect_log.txt && |
| 763 | test_grep ! "merge base must be tested" my_bisect_log.txt && |
| 764 | test_grep $HASH6 my_bisect_log.txt && |
| 765 | git bisect reset |
| 766 | ' |
| 767 | test_expect_success 'skipped merge base when good and bad are siblings' ' |
| 768 | git bisect start "$SIDE_HASH7" "$HASH7" > my_bisect_log.txt && |
| 769 | test_grep "merge base must be tested" my_bisect_log.txt && |
| 770 | test_grep $HASH4 my_bisect_log.txt && |
| 771 | git bisect skip > my_bisect_log.txt 2>&1 && |
| 772 | test_grep "warning" my_bisect_log.txt && |
| 773 | test_grep $SIDE_HASH6 my_bisect_log.txt && |
| 774 | git bisect reset |
| 775 | ' |
| 776 | |
| 777 | test_expect_success 'bad merge base when good and bad are siblings' ' |
| 778 | git bisect start "$HASH7" HEAD > my_bisect_log.txt && |
| 779 | test_grep "merge base must be tested" my_bisect_log.txt && |
| 780 | test_grep $HASH4 my_bisect_log.txt && |
| 781 | test_must_fail git bisect bad > my_bisect_log.txt 2>&1 && |
| 782 | test_grep "merge base $HASH4 is bad" my_bisect_log.txt && |
| 783 | test_grep "fixed between $HASH4 and \[$SIDE_HASH7\]" my_bisect_log.txt && |
| 784 | git bisect reset |
| 785 | ' |
| 786 | |
| 787 | # This creates a few more commits (A and B) to test "siblings" cases |
| 788 | # when a good and a bad rev have many merge bases. |
| 789 | # |
| 790 | # We should have the following: |
| 791 | # |
| 792 | # H1-H2-H3-H4-H5-H6-H7 |
| 793 | # \ \ \ |
| 794 | # S5-A \ |
| 795 | # \ \ |
| 796 | # S6-S7----B |
| 797 | # |
| 798 | # And there A and B have 2 merge bases (S5 and H5) that should be |
| 799 | # reported by "git merge-base --all A B". |
| 800 | # |
| 801 | test_expect_success 'many merge bases creation' ' |
| 802 | git checkout "$SIDE_HASH5" && |
| 803 | git merge -m "merge HASH5 and SIDE_HASH5" "$HASH5" && |
| 804 | A_HASH=$(git rev-parse --verify HEAD) && |
| 805 | git checkout side && |
| 806 | git merge -m "merge HASH7 and SIDE_HASH7" "$HASH7" && |
| 807 | B_HASH=$(git rev-parse --verify HEAD) && |
| 808 | git merge-base --all "$A_HASH" "$B_HASH" > merge_bases.txt && |
| 809 | test_line_count = 2 merge_bases.txt && |
| 810 | test_grep "$HASH5" merge_bases.txt && |
| 811 | test_grep "$SIDE_HASH5" merge_bases.txt |
| 812 | ' |
| 813 | |
| 814 | # We want to automatically find the merge that |
| 815 | # added "line" into hello. |
| 816 | test_expect_success '"git bisect run --first-parent" simple case' ' |
| 817 | git rev-list --first-parent $B_HASH ^$HASH4 >first_parent_chain.txt && |
| 818 | write_script test_script.sh <<-\EOF && |
| 819 | grep $(git rev-parse HEAD) first_parent_chain.txt || exit -1 |
| 820 | ! grep line hello >/dev/null |
| 821 | EOF |
| 822 | git bisect start --first-parent && |
| 823 | test_path_is_file ".git/BISECT_FIRST_PARENT" && |
| 824 | git bisect good $HASH4 && |
| 825 | git bisect bad $B_HASH && |
| 826 | git bisect run ./test_script.sh >my_bisect_log.txt && |
| 827 | test_grep "$B_HASH is the first '\''bad'\'' commit" my_bisect_log.txt && |
| 828 | git bisect reset && |
| 829 | test_path_is_missing .git/BISECT_FIRST_PARENT |
| 830 | ' |
| 831 | |
| 832 | test_expect_success 'good merge bases when good and bad are siblings' ' |
| 833 | git bisect start "$B_HASH" "$A_HASH" > my_bisect_log.txt && |
| 834 | test_grep "merge base must be tested" my_bisect_log.txt && |
| 835 | git bisect good > my_bisect_log2.txt && |
| 836 | test_grep "merge base must be tested" my_bisect_log2.txt && |
| 837 | { |
| 838 | { |
| 839 | test_grep "$SIDE_HASH5" my_bisect_log.txt && |
| 840 | test_grep "$HASH5" my_bisect_log2.txt |
| 841 | } || { |
| 842 | test_grep "$SIDE_HASH5" my_bisect_log2.txt && |
| 843 | test_grep "$HASH5" my_bisect_log.txt |
| 844 | } |
| 845 | } && |
| 846 | git bisect reset |
| 847 | ' |
| 848 | |
| 849 | test_expect_success 'optimized merge base checks' ' |
| 850 | git bisect start "$HASH7" "$SIDE_HASH7" > my_bisect_log.txt && |
| 851 | test_grep "merge base must be tested" my_bisect_log.txt && |
| 852 | test_grep "$HASH4" my_bisect_log.txt && |
| 853 | git bisect good > my_bisect_log2.txt && |
| 854 | test -f ".git/BISECT_ANCESTORS_OK" && |
| 855 | test "$HASH6" = $(git rev-parse --verify HEAD) && |
| 856 | git bisect bad && |
| 857 | git bisect good "$A_HASH" > my_bisect_log4.txt && |
| 858 | test_grep "merge base must be tested" my_bisect_log4.txt && |
| 859 | test_path_is_missing ".git/BISECT_ANCESTORS_OK" |
| 860 | ' |
| 861 | |
| 862 | # This creates another side branch called "parallel" with some files |
| 863 | # in some directories, to test bisecting with paths. |
| 864 | # |
| 865 | # We should have the following: |
| 866 | # |
| 867 | # P1-P2-P3-P4-P5-P6-P7 |
| 868 | # / / / |
| 869 | # H1-H2-H3-H4-H5-H6-H7 |
| 870 | # \ \ \ |
| 871 | # S5-A \ |
| 872 | # \ \ |
| 873 | # S6-S7----B |
| 874 | # |
| 875 | test_expect_success '"parallel" side branch creation' ' |
| 876 | git bisect reset && |
| 877 | git checkout -b parallel $HASH1 && |
| 878 | mkdir dir1 dir2 && |
| 879 | add_line_into_file "1(para): line 1 on parallel branch" dir1/file1 && |
| 880 | PARA_HASH1=$(git rev-parse --verify HEAD) && |
| 881 | add_line_into_file "2(para): line 2 on parallel branch" dir2/file2 && |
| 882 | PARA_HASH2=$(git rev-parse --verify HEAD) && |
| 883 | add_line_into_file "3(para): line 3 on parallel branch" dir2/file3 && |
| 884 | PARA_HASH3=$(git rev-parse --verify HEAD) && |
| 885 | git merge -m "merge HASH4 and PARA_HASH3" "$HASH4" && |
| 886 | PARA_HASH4=$(git rev-parse --verify HEAD) && |
| 887 | add_line_into_file "5(para): add line on parallel branch" dir1/file1 && |
| 888 | PARA_HASH5=$(git rev-parse --verify HEAD) && |
| 889 | add_line_into_file "6(para): add line on parallel branch" dir2/file2 && |
| 890 | PARA_HASH6=$(git rev-parse --verify HEAD) && |
| 891 | git merge -m "merge HASH7 and PARA_HASH6" "$HASH7" && |
| 892 | PARA_HASH7=$(git rev-parse --verify HEAD) |
| 893 | ' |
| 894 | |
| 895 | test_expect_success 'restricting bisection on one dir' ' |
| 896 | git bisect reset && |
| 897 | git bisect start HEAD $HASH1 -- dir1 && |
| 898 | para1=$(git rev-parse --verify HEAD) && |
| 899 | test "$para1" = "$PARA_HASH1" && |
| 900 | git bisect bad > my_bisect_log.txt && |
| 901 | test_grep "$PARA_HASH1 is the first '\''bad'\'' commit" my_bisect_log.txt |
| 902 | ' |
| 903 | |
| 904 | test_expect_success 'restricting bisection on one dir and a file' ' |
| 905 | git bisect reset && |
| 906 | git bisect start HEAD $HASH1 -- dir1 hello && |
| 907 | para4=$(git rev-parse --verify HEAD) && |
| 908 | test "$para4" = "$PARA_HASH4" && |
| 909 | git bisect bad && |
| 910 | hash3=$(git rev-parse --verify HEAD) && |
| 911 | test "$hash3" = "$HASH3" && |
| 912 | git bisect good && |
| 913 | hash4=$(git rev-parse --verify HEAD) && |
| 914 | test "$hash4" = "$HASH4" && |
| 915 | git bisect good && |
| 916 | para1=$(git rev-parse --verify HEAD) && |
| 917 | test "$para1" = "$PARA_HASH1" && |
| 918 | git bisect good > my_bisect_log.txt && |
| 919 | test_grep "$PARA_HASH4 is the first '\''bad'\'' commit" my_bisect_log.txt |
| 920 | ' |
| 921 | |
| 922 | test_expect_success 'skipping away from skipped commit' ' |
| 923 | git bisect start $PARA_HASH7 $HASH1 && |
| 924 | para4=$(git rev-parse --verify HEAD) && |
| 925 | test "$para4" = "$PARA_HASH4" && |
| 926 | git bisect skip && |
| 927 | hash7=$(git rev-parse --verify HEAD) && |
| 928 | test "$hash7" = "$HASH7" && |
| 929 | git bisect skip && |
| 930 | para3=$(git rev-parse --verify HEAD) && |
| 931 | test "$para3" = "$PARA_HASH3" |
| 932 | ' |
| 933 | |
| 934 | test_expect_success 'erroring out when using bad path arguments' ' |
| 935 | test_must_fail git bisect start $PARA_HASH7 $HASH1 -- foobar 2> error.txt && |
| 936 | test_grep "bad path arguments" error.txt |
| 937 | ' |
| 938 | |
| 939 | test_expect_success 'test bisection on bare repo - --no-checkout specified' ' |
| 940 | git clone --bare . bare.nocheckout && |
| 941 | ( |
| 942 | cd bare.nocheckout && |
| 943 | git bisect start --no-checkout && |
| 944 | git bisect good $HASH1 && |
| 945 | git bisect bad $HASH4 && |
| 946 | git bisect run eval \ |
| 947 | "test \$(git rev-list BISECT_HEAD ^$HASH2 --max-count=1 | wc -l) = 0" \ |
| 948 | >../nocheckout.log |
| 949 | ) && |
| 950 | test_grep "$HASH3 is the first '\''bad'\'' commit" nocheckout.log |
| 951 | ' |
| 952 | |
| 953 | |
| 954 | test_expect_success 'test bisection on bare repo - --no-checkout defaulted' ' |
| 955 | git clone --bare . bare.defaulted && |
| 956 | ( |
| 957 | cd bare.defaulted && |
| 958 | git bisect start && |
| 959 | git bisect good $HASH1 && |
| 960 | git bisect bad $HASH4 && |
| 961 | git bisect run eval \ |
| 962 | "test \$(git rev-list BISECT_HEAD ^$HASH2 --max-count=1 | wc -l) = 0" \ |
| 963 | >../defaulted.log |
| 964 | ) && |
| 965 | test_grep "$HASH3 is the first '\''bad'\'' commit" defaulted.log |
| 966 | ' |
| 967 | |
| 968 | # |
| 969 | # This creates a broken branch which cannot be checked out because |
| 970 | # the tree created has been deleted. |
| 971 | # |
| 972 | # H1-H2-H3-H4-H5-H6-H7 <--other |
| 973 | # \ |
| 974 | # S5-S6'-S7'-S8'-S9 <--broken |
| 975 | # |
| 976 | # Commits marked with ' have a missing tree. |
| 977 | # |
| 978 | test_expect_success 'broken branch creation' ' |
| 979 | git bisect reset && |
| 980 | git checkout -b broken $HASH4 && |
| 981 | git tag BROKEN_HASH4 $HASH4 && |
| 982 | add_line_into_file "5(broken): first line on a broken branch" hello2 && |
| 983 | git tag BROKEN_HASH5 && |
| 984 | mkdir missing && |
| 985 | :> missing/MISSING && |
| 986 | git add missing/MISSING && |
| 987 | git commit -m "6(broken): Added file that will be deleted" && |
| 988 | git tag BROKEN_HASH6 && |
| 989 | deleted=$(git rev-parse --verify HEAD:missing) && |
| 990 | add_line_into_file "7(broken): second line on a broken branch" hello2 && |
| 991 | git tag BROKEN_HASH7 && |
| 992 | add_line_into_file "8(broken): third line on a broken branch" hello2 && |
| 993 | git tag BROKEN_HASH8 && |
| 994 | git rm missing/MISSING && |
| 995 | git commit -m "9(broken): Remove missing file" && |
| 996 | git tag BROKEN_HASH9 && |
| 997 | rm .git/objects/$(test_oid_to_path $deleted) |
| 998 | ' |
| 999 | |
| 1000 | echo "" > expected.ok |
| 1001 | cat > expected.missing-tree.default <<EOF |
| 1002 | fatal: unable to read tree ($deleted) |
| 1003 | EOF |
| 1004 | |
| 1005 | test_expect_success 'bisect fails if tree is broken on start commit' ' |
| 1006 | git bisect reset && |
| 1007 | test_must_fail git bisect start BROKEN_HASH7 BROKEN_HASH4 2>error.txt && |
| 1008 | test_cmp expected.missing-tree.default error.txt |
| 1009 | ' |
| 1010 | |
| 1011 | test_expect_success 'bisect fails if tree is broken on trial commit' ' |
| 1012 | git bisect reset && |
| 1013 | test_must_fail git bisect start BROKEN_HASH9 BROKEN_HASH4 2>error.txt && |
| 1014 | git reset --hard broken && |
| 1015 | git checkout broken && |
| 1016 | test_cmp expected.missing-tree.default error.txt |
| 1017 | ' |
| 1018 | |
| 1019 | check_same() |
| 1020 | { |
| 1021 | echo "Checking $1 is the same as $2" && |
| 1022 | test_cmp_rev "$1" "$2" |
| 1023 | } |
| 1024 | |
| 1025 | test_expect_success 'bisect: --no-checkout - start commit bad' ' |
| 1026 | git bisect reset && |
| 1027 | git bisect start BROKEN_HASH7 BROKEN_HASH4 --no-checkout && |
| 1028 | check_same BROKEN_HASH6 BISECT_HEAD && |
| 1029 | git bisect reset |
| 1030 | ' |
| 1031 | |
| 1032 | test_expect_success 'bisect: --no-checkout - trial commit bad' ' |
| 1033 | git bisect reset && |
| 1034 | git bisect start broken BROKEN_HASH4 --no-checkout && |
| 1035 | check_same BROKEN_HASH6 BISECT_HEAD && |
| 1036 | git bisect reset |
| 1037 | ' |
| 1038 | |
| 1039 | test_expect_success 'bisect: --no-checkout - target before breakage' ' |
| 1040 | git bisect reset && |
| 1041 | git bisect start broken BROKEN_HASH4 --no-checkout && |
| 1042 | check_same BROKEN_HASH6 BISECT_HEAD && |
| 1043 | git bisect bad BISECT_HEAD && |
| 1044 | check_same BROKEN_HASH5 BISECT_HEAD && |
| 1045 | git bisect bad BISECT_HEAD && |
| 1046 | check_same BROKEN_HASH5 bisect/bad && |
| 1047 | git bisect reset |
| 1048 | ' |
| 1049 | |
| 1050 | test_expect_success 'bisect: --no-checkout - target in breakage' ' |
| 1051 | git bisect reset && |
| 1052 | git bisect start broken BROKEN_HASH4 --no-checkout && |
| 1053 | check_same BROKEN_HASH6 BISECT_HEAD && |
| 1054 | git bisect bad BISECT_HEAD && |
| 1055 | check_same BROKEN_HASH5 BISECT_HEAD && |
| 1056 | test_must_fail git bisect good BISECT_HEAD && |
| 1057 | check_same BROKEN_HASH6 bisect/bad && |
| 1058 | git bisect reset |
| 1059 | ' |
| 1060 | |
| 1061 | test_expect_success 'bisect: --no-checkout - target after breakage' ' |
| 1062 | git bisect reset && |
| 1063 | git bisect start broken BROKEN_HASH4 --no-checkout && |
| 1064 | check_same BROKEN_HASH6 BISECT_HEAD && |
| 1065 | git bisect good BISECT_HEAD && |
| 1066 | check_same BROKEN_HASH8 BISECT_HEAD && |
| 1067 | test_must_fail git bisect good BISECT_HEAD && |
| 1068 | check_same BROKEN_HASH9 bisect/bad && |
| 1069 | git bisect reset |
| 1070 | ' |
| 1071 | |
| 1072 | test_expect_success 'bisect: demonstrate identification of damage boundary' " |
| 1073 | git bisect reset && |
| 1074 | git checkout broken && |
| 1075 | git bisect start broken main --no-checkout && |
| 1076 | test_must_fail git bisect run \"\$SHELL_PATH\" -c ' |
| 1077 | GOOD=\$(git for-each-ref \"--format=%(objectname)\" refs/bisect/good-*) && |
| 1078 | git rev-list --objects BISECT_HEAD --not \$GOOD >tmp.\$\$ && |
| 1079 | git pack-objects --stdout >/dev/null < tmp.\$\$ |
| 1080 | rc=\$? |
| 1081 | rm -f tmp.\$\$ |
| 1082 | test \$rc = 0' && |
| 1083 | check_same BROKEN_HASH6 bisect/bad && |
| 1084 | git bisect reset |
| 1085 | " |
| 1086 | |
| 1087 | cat > expected.bisect-log <<EOF |
| 1088 | # bad: [$HASH4] Add <4: Ciao for now> into <hello>. |
| 1089 | # good: [$HASH2] Add <2: A new day for git> into <hello>. |
| 1090 | git bisect start '$HASH4' '$HASH2' |
| 1091 | # good: [$HASH3] Add <3: Another new day for git> into <hello>. |
| 1092 | git bisect good $HASH3 |
| 1093 | # first 'bad' commit: [$HASH4] Add <4: Ciao for now> into <hello>. |
| 1094 | EOF |
| 1095 | |
| 1096 | test_expect_success 'bisect log: successful result' ' |
| 1097 | git bisect reset && |
| 1098 | git bisect start $HASH4 $HASH2 && |
| 1099 | git bisect good && |
| 1100 | git bisect log >bisect-log.txt && |
| 1101 | test_cmp expected.bisect-log bisect-log.txt && |
| 1102 | git bisect reset |
| 1103 | ' |
| 1104 | |
| 1105 | cat > expected.bisect-skip-log <<EOF |
| 1106 | # bad: [$HASH4] Add <4: Ciao for now> into <hello>. |
| 1107 | # good: [$HASH2] Add <2: A new day for git> into <hello>. |
| 1108 | git bisect start '$HASH4' '$HASH2' |
| 1109 | # skip: [$HASH3] Add <3: Another new day for git> into <hello>. |
| 1110 | git bisect skip $HASH3 |
| 1111 | # only skipped commits left to test |
| 1112 | # possible first 'bad' commit: [$HASH4] Add <4: Ciao for now> into <hello>. |
| 1113 | # possible first 'bad' commit: [$HASH3] Add <3: Another new day for git> into <hello>. |
| 1114 | EOF |
| 1115 | |
| 1116 | test_expect_success 'bisect log: only skip commits left' ' |
| 1117 | git bisect reset && |
| 1118 | git bisect start $HASH4 $HASH2 && |
| 1119 | test_must_fail git bisect skip && |
| 1120 | git bisect log >bisect-skip-log.txt && |
| 1121 | test_cmp expected.bisect-skip-log bisect-skip-log.txt && |
| 1122 | git bisect reset |
| 1123 | ' |
| 1124 | |
| 1125 | test_expect_success '"git bisect bad HEAD" behaves as "git bisect bad"' ' |
| 1126 | git checkout parallel && |
| 1127 | git bisect start HEAD $HASH1 && |
| 1128 | git bisect good HEAD && |
| 1129 | git bisect bad HEAD && |
| 1130 | test "$HASH6" = $(git rev-parse --verify HEAD) && |
| 1131 | git bisect reset |
| 1132 | ' |
| 1133 | |
| 1134 | test_expect_success 'bisect starts with only one new' ' |
| 1135 | git bisect reset && |
| 1136 | git bisect start && |
| 1137 | git bisect new $HASH4 && |
| 1138 | git bisect next |
| 1139 | ' |
| 1140 | |
| 1141 | test_expect_success 'bisect does not start with only one old' ' |
| 1142 | git bisect reset && |
| 1143 | git bisect start && |
| 1144 | git bisect old $HASH1 && |
| 1145 | test_must_fail git bisect next |
| 1146 | ' |
| 1147 | |
| 1148 | test_expect_success 'bisect start with one new and old' ' |
| 1149 | git bisect reset && |
| 1150 | git bisect start && |
| 1151 | git bisect old $HASH1 && |
| 1152 | git bisect new $HASH4 && |
| 1153 | git bisect new && |
| 1154 | git bisect new >bisect_result && |
| 1155 | test_grep "$HASH2 is the first '\''new'\'' commit" bisect_result && |
| 1156 | git bisect log >log_to_replay.txt && |
| 1157 | git bisect reset |
| 1158 | ' |
| 1159 | |
| 1160 | test_expect_success 'bisect replay with old and new' ' |
| 1161 | git bisect replay log_to_replay.txt >bisect_result && |
| 1162 | test_grep "$HASH2 is the first '\''new'\'' commit" bisect_result && |
| 1163 | git bisect reset |
| 1164 | ' |
| 1165 | |
| 1166 | test_expect_success 'bisect replay with CRLF log' ' |
| 1167 | append_cr <log_to_replay.txt >log_to_replay_crlf.txt && |
| 1168 | git bisect replay log_to_replay_crlf.txt >bisect_result_crlf && |
| 1169 | test_grep "$HASH2 is the first '\''new'\'' commit" bisect_result_crlf && |
| 1170 | git bisect reset |
| 1171 | ' |
| 1172 | |
| 1173 | test_expect_success 'bisect cannot mix old/new and good/bad' ' |
| 1174 | git bisect start && |
| 1175 | git bisect bad $HASH4 && |
| 1176 | test_must_fail git bisect old $HASH1 |
| 1177 | ' |
| 1178 | |
| 1179 | test_expect_success 'bisect terms needs 0 or 1 argument' ' |
| 1180 | git bisect reset && |
| 1181 | test_must_fail git bisect terms only-one && |
| 1182 | test_must_fail git bisect terms 1 2 && |
| 1183 | test_must_fail git bisect terms 2>actual && |
| 1184 | echo "error: no terms defined" >expected && |
| 1185 | test_cmp expected actual |
| 1186 | ' |
| 1187 | |
| 1188 | test_expect_success 'bisect terms shows good/bad after start' ' |
| 1189 | git bisect reset && |
| 1190 | git bisect start HEAD $HASH1 && |
| 1191 | git bisect terms --term-good >actual && |
| 1192 | echo good >expected && |
| 1193 | test_cmp expected actual && |
| 1194 | git bisect terms --term-bad >actual && |
| 1195 | echo bad >expected && |
| 1196 | test_cmp expected actual |
| 1197 | ' |
| 1198 | |
| 1199 | test_expect_success 'bisect start with one term1 and term2' ' |
| 1200 | git bisect reset && |
| 1201 | git bisect start --term-old term2 --term-new term1 >bisect_result && |
| 1202 | test_grep "status: waiting for both '\''term2'\'' and '\''term1'\'' commits" bisect_result && |
| 1203 | git bisect term2 $HASH1 >bisect_result && |
| 1204 | test_grep "status: waiting for '\''term1'\'' commit, 1 '\''term2'\'' commit known" bisect_result && |
| 1205 | git bisect term1 $HASH4 && |
| 1206 | git bisect term1 && |
| 1207 | git bisect term1 >bisect_result && |
| 1208 | test_grep "$HASH2 is the first '\''term1'\'' commit" bisect_result && |
| 1209 | git bisect log >log_to_replay.txt && |
| 1210 | git bisect reset |
| 1211 | ' |
| 1212 | |
| 1213 | test_expect_success 'bogus command does not start bisect' ' |
| 1214 | git bisect reset && |
| 1215 | test_must_fail git bisect --bisect-terms 1 2 2>out && |
| 1216 | test_grep ! "You need to start" out && |
| 1217 | test_must_fail git bisect --bisect-terms 2>out && |
| 1218 | test_grep ! "You need to start" out && |
| 1219 | test_grep "git bisect.*visualize" out && |
| 1220 | git bisect reset |
| 1221 | ' |
| 1222 | |
| 1223 | test_expect_success 'bisect replay with term1 and term2' ' |
| 1224 | git bisect replay log_to_replay.txt >bisect_result && |
| 1225 | test_grep "$HASH2 is the first '\''term1'\'' commit" bisect_result && |
| 1226 | git bisect reset |
| 1227 | ' |
| 1228 | |
| 1229 | test_expect_success 'bisect run term1 term2' ' |
| 1230 | git bisect reset && |
| 1231 | git bisect start --term-new term1 --term-old term2 $HASH4 $HASH1 && |
| 1232 | git bisect term1 && |
| 1233 | git bisect run false >bisect_result && |
| 1234 | test_grep "bisect found first '\''term1'\'' commit" bisect_result && |
| 1235 | git bisect log >log_to_replay.txt && |
| 1236 | git bisect reset |
| 1237 | ' |
| 1238 | |
| 1239 | test_expect_success 'bisect start term1 term2' ' |
| 1240 | git bisect reset && |
| 1241 | git bisect start --term-new term1 --term-old term2 $HASH4 $HASH1 && |
| 1242 | git bisect term1 && |
| 1243 | git bisect term1 >bisect_result && |
| 1244 | test_grep "$HASH2 is the first '\''term1'\'' commit" bisect_result && |
| 1245 | git bisect log >log_to_replay.txt && |
| 1246 | git bisect reset |
| 1247 | ' |
| 1248 | |
| 1249 | test_expect_success 'bisect cannot mix terms' ' |
| 1250 | git bisect reset && |
| 1251 | git bisect start --term-good term1 --term-bad term2 $HASH4 $HASH1 && |
| 1252 | test_must_fail git bisect a && |
| 1253 | test_must_fail git bisect b && |
| 1254 | test_must_fail git bisect bad && |
| 1255 | test_must_fail git bisect good && |
| 1256 | test_must_fail git bisect new && |
| 1257 | test_must_fail git bisect old |
| 1258 | ' |
| 1259 | |
| 1260 | test_expect_success 'bisect terms rejects invalid terms' ' |
| 1261 | git bisect reset && |
| 1262 | test_must_fail git bisect start --term-good && |
| 1263 | test_must_fail git bisect start --term-good invalid..term && |
| 1264 | test_must_fail git bisect start --term-bad && |
| 1265 | test_must_fail git bisect terms --term-bad invalid..term && |
| 1266 | test_must_fail git bisect terms --term-good bad && |
| 1267 | test_must_fail git bisect terms --term-good old && |
| 1268 | test_must_fail git bisect terms --term-good skip && |
| 1269 | test_must_fail git bisect terms --term-good reset && |
| 1270 | test_path_is_missing .git/BISECT_TERMS |
| 1271 | ' |
| 1272 | |
| 1273 | test_expect_success 'bisect start --term-* does store terms' ' |
| 1274 | git bisect reset && |
| 1275 | git bisect start --term-bad=one --term-good=two && |
| 1276 | git bisect terms >actual && |
| 1277 | cat <<-EOF >expected && |
| 1278 | Your current terms are '\''two'\'' for the old state |
| 1279 | and '\''one'\'' for the new state. |
| 1280 | EOF |
| 1281 | test_cmp expected actual && |
| 1282 | git bisect terms --term-bad >actual && |
| 1283 | echo one >expected && |
| 1284 | test_cmp expected actual && |
| 1285 | git bisect terms --term-good >actual && |
| 1286 | echo two >expected && |
| 1287 | test_cmp expected actual |
| 1288 | ' |
| 1289 | |
| 1290 | test_expect_success 'bisect start takes options and revs in any order' ' |
| 1291 | git bisect reset && |
| 1292 | git bisect start --term-good one $HASH4 \ |
| 1293 | --term-good two --term-bad bad-term \ |
| 1294 | $HASH1 --term-good three -- && |
| 1295 | (git bisect terms --term-bad && git bisect terms --term-good) >actual && |
| 1296 | printf "%s\n%s\n" bad-term three >expected && |
| 1297 | test_cmp expected actual |
| 1298 | ' |
| 1299 | |
| 1300 | # Bisect is started with --term-new and --term-old arguments, |
| 1301 | # then skip. The HEAD should be changed. |
| 1302 | test_expect_success 'bisect skip works with --term*' ' |
| 1303 | git bisect reset && |
| 1304 | git bisect start --term-new=fixed --term-old=unfixed HEAD $HASH1 && |
| 1305 | hash_skipped_from=$(git rev-parse --verify HEAD) && |
| 1306 | git bisect skip && |
| 1307 | hash_skipped_to=$(git rev-parse --verify HEAD) && |
| 1308 | test "$hash_skipped_from" != "$hash_skipped_to" |
| 1309 | ' |
| 1310 | |
| 1311 | test_expect_success 'git bisect reset cleans bisection state properly' ' |
| 1312 | git bisect reset && |
| 1313 | git bisect start && |
| 1314 | git bisect good $HASH1 && |
| 1315 | git bisect bad $HASH4 && |
| 1316 | git bisect reset && |
| 1317 | test -z "$(git for-each-ref "refs/bisect/*")" && |
| 1318 | test_ref_missing BISECT_EXPECTED_REV && |
| 1319 | test_path_is_missing ".git/BISECT_ANCESTORS_OK" && |
| 1320 | test_path_is_missing ".git/BISECT_LOG" && |
| 1321 | test_path_is_missing ".git/BISECT_RUN" && |
| 1322 | test_path_is_missing ".git/BISECT_TERMS" && |
| 1323 | test_path_is_missing ".git/BISECT_HEAD" && |
| 1324 | test_path_is_missing ".git/BISECT_START" |
| 1325 | ' |
| 1326 | |
| 1327 | test_expect_success 'bisect handles annotated tags' ' |
| 1328 | test_commit commit-one && |
| 1329 | git tag -m foo tag-one && |
| 1330 | test_commit commit-two && |
| 1331 | git tag -m foo tag-two && |
| 1332 | git bisect start && |
| 1333 | git bisect good tag-one && |
| 1334 | git bisect bad tag-two >output && |
| 1335 | bad=$(git rev-parse --verify tag-two^{commit}) && |
| 1336 | test_grep "$bad is the first '\''bad'\'' commit" output |
| 1337 | ' |
| 1338 | |
| 1339 | test_expect_success 'bisect run fails with exit code equals or greater than 128' ' |
| 1340 | write_script test_script.sh <<-\EOF && |
| 1341 | exit 128 |
| 1342 | EOF |
| 1343 | test_must_fail git bisect run ./test_script.sh && |
| 1344 | write_script test_script.sh <<-\EOF && |
| 1345 | exit 255 |
| 1346 | EOF |
| 1347 | test_must_fail git bisect run ./test_script.sh |
| 1348 | ' |
| 1349 | |
| 1350 | test_expect_success 'bisect visualize with a filename with dash and space' ' |
| 1351 | echo "My test line" >>"./-hello 2" && |
| 1352 | git add -- "./-hello 2" && |
| 1353 | git commit --quiet -m "Add test line" -- "./-hello 2" && |
| 1354 | git bisect visualize -p -- "-hello 2" |
| 1355 | ' |
| 1356 | |
| 1357 | test_expect_success 'bisect state output with multiple good commits' ' |
| 1358 | git bisect reset && |
| 1359 | git bisect start >output && |
| 1360 | test_grep "waiting for both '\''good'\'' and '\''bad'\'' commits" output && |
| 1361 | git bisect log >output && |
| 1362 | test_grep "waiting for both '\''good'\'' and '\''bad'\'' commits" output && |
| 1363 | git bisect good "$HASH1" >output && |
| 1364 | test_grep "waiting for '\''bad'\'' commit, 1 '\''good'\'' commit known" output && |
| 1365 | git bisect log >output && |
| 1366 | test_grep "waiting for '\''bad'\'' commit, 1 '\''good'\'' commit known" output && |
| 1367 | git bisect good "$HASH2" >output && |
| 1368 | test_grep "waiting for '\''bad'\'' commit, 2 '\''good'\'' commits known" output && |
| 1369 | git bisect log >output && |
| 1370 | test_grep "waiting for '\''bad'\'' commit, 2 '\''good'\'' commits known" output |
| 1371 | ' |
| 1372 | |
| 1373 | test_expect_success 'bisect state output with bad commit' ' |
| 1374 | git bisect reset && |
| 1375 | git bisect start >output && |
| 1376 | test_grep "waiting for both '\''good'\'' and '\''bad'\'' commits" output && |
| 1377 | git bisect log >output && |
| 1378 | test_grep "waiting for both '\''good'\'' and '\''bad'\'' commits" output && |
| 1379 | git bisect bad "$HASH4" >output && |
| 1380 | test_grep -F "waiting for '\''good'\'' commit(s), '\''bad'\'' commit known" output && |
| 1381 | git bisect log >output && |
| 1382 | test_grep -F "waiting for '\''good'\'' commit(s), '\''bad'\'' commit known" output |
| 1383 | ' |
| 1384 | |
| 1385 | test_expect_success 'verify correct error message' ' |
| 1386 | git bisect reset && |
| 1387 | git bisect start $HASH4 $HASH1 && |
| 1388 | write_script test_script.sh <<-\EOF && |
| 1389 | rm .git/BISECT* |
| 1390 | EOF |
| 1391 | test_must_fail git bisect run ./test_script.sh 2>error && |
| 1392 | test_grep "git bisect good.*exited with error code" error |
| 1393 | ' |
| 1394 | |
| 1395 | test_done |