t/t1400-update-ref.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2006 Shawn Pearce
   4 #
   5
   6 test_description='Test git update-ref and basic ref logging'
   7 . ./test-lib.sh
   8
   9 Z=$ZERO_OID
  10
  11 m=refs/heads/master
  12 n_dir=refs/heads/gu
  13 n=$n_dir/fixes
  14 outside=refs/foo
  15 bare=bare-repo
  16
  17 create_test_commits ()
  18 {
  19         prfx="$1"
  20         for name in A B C D E F
  21         do
  22                 test_tick &&
  23                 T=$(git write-tree) &&
  24                 sha1=$(echo $name | git commit-tree $T) &&
  25                 eval $prfx$name=$sha1
  26         done
  27 }
  28
  29 test_expect_success setup '
  30         create_test_commits "" &&
  31         mkdir $bare &&
  32         cd $bare &&
  33         git init --bare &&
  34         create_test_commits "bare" &&
  35         cd -
  36 '
  37
  38 test_expect_success "create $m" '
  39         git update-ref $m $A &&
  40         test $A = $(git show-ref -s --verify $m)
  41 '
  42 test_expect_success "create $m with oldvalue verification" '
  43         git update-ref $m $B $A &&
  44         test $B = $(git show-ref -s --verify $m)
  45 '
  46 test_expect_success "fail to delete $m with stale ref" '
  47         test_must_fail git update-ref -d $m $A &&
  48         test $B = "$(git show-ref -s --verify $m)"
  49 '
  50 test_expect_success "delete $m" '
  51         test_when_finished "git update-ref -d $m" &&
  52         git update-ref -d $m $B &&
  53         test_must_fail git show-ref --verify -q $m
  54 '
  55
  56 test_expect_success "delete $m without oldvalue verification" '
  57         test_when_finished "git update-ref -d $m" &&
  58         git update-ref $m $A &&
  59         test $A = $(git show-ref -s --verify $m) &&
  60         git update-ref -d $m &&
  61         test_must_fail git show-ref --verify -q $m
  62 '
  63
  64 test_expect_success "fail to create $n" '
  65         test_when_finished "rm -f .git/$n_dir" &&
  66         touch .git/$n_dir &&
  67         test_must_fail git update-ref $n $A
  68 '
  69
  70 test_expect_success "create $m (by HEAD)" '
  71         git update-ref HEAD $A &&
  72         test $A = $(git show-ref -s --verify $m)
  73 '
  74 test_expect_success "create $m (by HEAD) with oldvalue verification" '
  75         git update-ref HEAD $B $A &&
  76         test $B = $(git show-ref -s --verify $m)
  77 '
  78 test_expect_success "fail to delete $m (by HEAD) with stale ref" '
  79         test_must_fail git update-ref -d HEAD $A &&
  80         test $B = $(git show-ref -s --verify $m)
  81 '
  82 test_expect_success "delete $m (by HEAD)" '
  83         test_when_finished "git update-ref -d $m" &&
  84         git update-ref -d HEAD $B &&
  85         test_must_fail git show-ref --verify -q $m
  86 '
  87
  88 test_expect_success "deleting current branch adds message to HEAD's log" '
  89         test_when_finished "git update-ref -d $m" &&
  90         git update-ref $m $A &&
  91         git symbolic-ref HEAD $m &&
  92         git update-ref -m delete-$m -d $m &&
  93         test_must_fail git show-ref --verify -q $m &&
  94         grep "delete-$m$" .git/logs/HEAD
  95 '
  96
  97 test_expect_success "deleting by HEAD adds message to HEAD's log" '
  98         test_when_finished "git update-ref -d $m" &&
  99         git update-ref $m $A &&
 100         git symbolic-ref HEAD $m &&
 101         git update-ref -m delete-by-head -d HEAD &&
 102         test_must_fail git show-ref --verify -q $m &&
 103         grep "delete-by-head$" .git/logs/HEAD
 104 '
 105
 106 test_expect_success 'update-ref does not create reflogs by default' '
 107         test_when_finished "git update-ref -d $outside" &&
 108         git update-ref $outside $A &&
 109         git rev-parse $A >expect &&
 110         git rev-parse $outside >actual &&
 111         test_cmp expect actual &&
 112         test_must_fail git reflog exists $outside
 113 '
 114
 115 test_expect_success 'update-ref creates reflogs with --create-reflog' '
 116         test_when_finished "git update-ref -d $outside" &&
 117         git update-ref --create-reflog $outside $A &&
 118         git rev-parse $A >expect &&
 119         git rev-parse $outside >actual &&
 120         test_cmp expect actual &&
 121         git reflog exists $outside
 122 '
 123
 124 test_expect_success 'creates no reflog in bare repository' '
 125         git -C $bare update-ref $m $bareA &&
 126         git -C $bare rev-parse $bareA >expect &&
 127         git -C $bare rev-parse $m >actual &&
 128         test_cmp expect actual &&
 129         test_must_fail git -C $bare reflog exists $m
 130 '
 131
 132 test_expect_success 'core.logAllRefUpdates=true creates reflog in bare repository' '
 133         test_when_finished "git -C $bare config --unset core.logAllRefUpdates && \
 134                 rm $bare/logs/$m" &&
 135         git -C $bare config core.logAllRefUpdates true &&
 136         git -C $bare update-ref $m $bareB &&
 137         git -C $bare rev-parse $bareB >expect &&
 138         git -C $bare rev-parse $m >actual &&
 139         test_cmp expect actual &&
 140         git -C $bare reflog exists $m
 141 '
 142
 143 test_expect_success 'core.logAllRefUpdates=true does not create reflog by default' '
 144         test_config core.logAllRefUpdates true &&
 145         test_when_finished "git update-ref -d $outside" &&
 146         git update-ref $outside $A &&
 147         git rev-parse $A >expect &&
 148         git rev-parse $outside >actual &&
 149         test_cmp expect actual &&
 150         test_must_fail git reflog exists $outside
 151 '
 152
 153 test_expect_success 'core.logAllRefUpdates=always creates reflog by default' '
 154         test_config core.logAllRefUpdates always &&
 155         test_when_finished "git update-ref -d $outside" &&
 156         git update-ref $outside $A &&
 157         git rev-parse $A >expect &&
 158         git rev-parse $outside >actual &&
 159         test_cmp expect actual &&
 160         git reflog exists $outside
 161 '
 162
 163 test_expect_success 'core.logAllRefUpdates=always creates reflog for ORIG_HEAD' '
 164         test_config core.logAllRefUpdates always &&
 165         git update-ref ORIG_HEAD $A &&
 166         git reflog exists ORIG_HEAD
 167 '
 168
 169 test_expect_success '--no-create-reflog overrides core.logAllRefUpdates=always' '
 170         test_config core.logAllRefUpdates true &&
 171         test_when_finished "git update-ref -d $outside" &&
 172         git update-ref --no-create-reflog $outside $A &&
 173         git rev-parse $A >expect &&
 174         git rev-parse $outside >actual &&
 175         test_cmp expect actual &&
 176         test_must_fail git reflog exists $outside
 177 '
 178
 179 test_expect_success "create $m (by HEAD)" '
 180         git update-ref HEAD $A &&
 181         test $A = $(git show-ref -s --verify $m)
 182 '
 183 test_expect_success 'pack refs' '
 184         git pack-refs --all
 185 '
 186 test_expect_success "move $m (by HEAD)" '
 187         git update-ref HEAD $B $A &&
 188         test $B = $(git show-ref -s --verify $m)
 189 '
 190 test_expect_success "delete $m (by HEAD) should remove both packed and loose $m" '
 191         test_when_finished "git update-ref -d $m" &&
 192         git update-ref -d HEAD $B &&
 193         ! grep "$m" .git/packed-refs &&
 194         test_must_fail git show-ref --verify -q $m
 195 '
 196
 197 test_expect_success 'delete symref without dereference' '
 198         test_when_finished "git update-ref -d $m" &&
 199         echo foo >foo.c &&
 200         git add foo.c &&
 201         git commit -m foo &&
 202         git symbolic-ref SYMREF $m &&
 203         git update-ref --no-deref -d SYMREF &&
 204         git show-ref --verify -q $m &&
 205         test_must_fail git show-ref --verify -q SYMREF &&
 206         test_must_fail git symbolic-ref SYMREF
 207 '
 208
 209 test_expect_success 'delete symref without dereference when the referred ref is packed' '
 210         test_when_finished "git update-ref -d $m" &&
 211         echo foo >foo.c &&
 212         git add foo.c &&
 213         git commit -m foo &&
 214         git symbolic-ref SYMREF $m &&
 215         git pack-refs --all &&
 216         git update-ref --no-deref -d SYMREF &&
 217         git show-ref --verify -q $m &&
 218         test_must_fail git show-ref --verify -q SYMREF &&
 219         test_must_fail git symbolic-ref SYMREF
 220 '
 221
 222 test_expect_success 'update-ref -d is not confused by self-reference' '
 223         git symbolic-ref refs/heads/self refs/heads/self &&
 224         test_when_finished "rm -f .git/refs/heads/self" &&
 225         test_path_is_file .git/refs/heads/self &&
 226         test_must_fail git update-ref -d refs/heads/self &&
 227         test_path_is_file .git/refs/heads/self
 228 '
 229
 230 test_expect_success 'update-ref --no-deref -d can delete self-reference' '
 231         git symbolic-ref refs/heads/self refs/heads/self &&
 232         test_when_finished "rm -f .git/refs/heads/self" &&
 233         test_path_is_file .git/refs/heads/self &&
 234         git update-ref --no-deref -d refs/heads/self &&
 235         test_must_fail git show-ref --verify -q refs/heads/self
 236 '
 237
 238 test_expect_success 'update-ref --no-deref -d can delete reference to bad ref' '
 239         >.git/refs/heads/bad &&
 240         test_when_finished "rm -f .git/refs/heads/bad" &&
 241         git symbolic-ref refs/heads/ref-to-bad refs/heads/bad &&
 242         test_when_finished "git update-ref -d refs/heads/ref-to-bad" &&
 243         test_path_is_file .git/refs/heads/ref-to-bad &&
 244         git update-ref --no-deref -d refs/heads/ref-to-bad &&
 245         test_must_fail git show-ref --verify -q refs/heads/ref-to-bad
 246 '
 247
 248 test_expect_success '(not) create HEAD with old sha1' '
 249         test_must_fail git update-ref HEAD $A $B
 250 '
 251 test_expect_success "(not) prior created .git/$m" '
 252         test_when_finished "git update-ref -d $m" &&
 253         test_must_fail git show-ref --verify -q $m
 254 '
 255
 256 test_expect_success 'create HEAD' '
 257         git update-ref HEAD $A
 258 '
 259 test_expect_success '(not) change HEAD with wrong SHA1' '
 260         test_must_fail git update-ref HEAD $B $Z
 261 '
 262 test_expect_success "(not) changed .git/$m" '
 263         test_when_finished "git update-ref -d $m" &&
 264         ! test $B = $(git show-ref -s --verify $m)
 265 '
 266
 267 rm -f .git/logs/refs/heads/master
 268 test_expect_success "create $m (logged by touch)" '
 269         test_config core.logAllRefUpdates false &&
 270         GIT_COMMITTER_DATE="2005-05-26 23:30" \
 271         git update-ref --create-reflog HEAD $A -m "Initial Creation" &&
 272         test $A = $(git show-ref -s --verify $m)
 273 '
 274 test_expect_success "update $m (logged by touch)" '
 275         test_config core.logAllRefUpdates false &&
 276         GIT_COMMITTER_DATE="2005-05-26 23:31" \
 277         git update-ref HEAD $B $A -m "Switch" &&
 278         test $B = $(git show-ref -s --verify $m)
 279 '
 280 test_expect_success "set $m (logged by touch)" '
 281         test_config core.logAllRefUpdates false &&
 282         GIT_COMMITTER_DATE="2005-05-26 23:41" \
 283         git update-ref HEAD $A &&
 284         test $A = $(git show-ref -s --verify $m)
 285 '
 286
 287 test_expect_success 'empty directory removal' '
 288         git branch d1/d2/r1 HEAD &&
 289         git branch d1/r2 HEAD &&
 290         test_path_is_file .git/refs/heads/d1/d2/r1 &&
 291         test_path_is_file .git/logs/refs/heads/d1/d2/r1 &&
 292         git branch -d d1/d2/r1 &&
 293         test_must_fail git show-ref --verify -q refs/heads/d1/d2 &&
 294         test_must_fail git show-ref --verify -q logs/refs/heads/d1/d2 &&
 295         test_path_is_file .git/refs/heads/d1/r2 &&
 296         test_path_is_file .git/logs/refs/heads/d1/r2
 297 '
 298
 299 test_expect_success 'symref empty directory removal' '
 300         git branch e1/e2/r1 HEAD &&
 301         git branch e1/r2 HEAD &&
 302         git checkout e1/e2/r1 &&
 303         test_when_finished "git checkout master" &&
 304         test_path_is_file .git/refs/heads/e1/e2/r1 &&
 305         test_path_is_file .git/logs/refs/heads/e1/e2/r1 &&
 306         git update-ref -d HEAD &&
 307         test_must_fail git show-ref --verify -q refs/heads/e1/e2 &&
 308         test_must_fail git show-ref --verify -q logs/refs/heads/e1/e2 &&
 309         test_path_is_file .git/refs/heads/e1/r2 &&
 310         test_path_is_file .git/logs/refs/heads/e1/r2 &&
 311         test_path_is_file .git/logs/HEAD
 312 '
 313
 314 cat >expect <<EOF
 315 $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000       Initial Creation
 316 $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150260 +0000       Switch
 317 $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000
 318 EOF
 319 test_expect_success "verifying $m's log (logged by touch)" '
 320         test_when_finished "rm -rf .git/$m .git/logs expect" &&
 321         test_cmp expect .git/logs/$m
 322 '
 323
 324 test_expect_success "create $m (logged by config)" '
 325         test_config core.logAllRefUpdates true &&
 326         GIT_COMMITTER_DATE="2005-05-26 23:32" \
 327         git update-ref HEAD $A -m "Initial Creation" &&
 328         test $A = $(git show-ref -s --verify $m)
 329 '
 330 test_expect_success "update $m (logged by config)" '
 331         test_config core.logAllRefUpdates true &&
 332         GIT_COMMITTER_DATE="2005-05-26 23:33" \
 333         git update-ref HEAD $B $A -m "Switch" &&
 334         test $B = $(git show-ref -s --verify $m)
 335 '
 336 test_expect_success "set $m (logged by config)" '
 337         test_config core.logAllRefUpdates true &&
 338         GIT_COMMITTER_DATE="2005-05-26 23:43" \
 339         git update-ref HEAD $A &&
 340         test $A = $(git show-ref -s --verify $m)
 341 '
 342
 343 cat >expect <<EOF
 344 $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 +0000       Initial Creation
 345 $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 +0000       Switch
 346 $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 +0000
 347 EOF
 348 test_expect_success "verifying $m's log (logged by config)" '
 349         test_when_finished "rm -f .git/$m .git/logs/$m expect" &&
 350         test_cmp expect .git/logs/$m
 351 '
 352
 353 test_expect_success 'set up for querying the reflog' '
 354         git update-ref $m $D &&
 355         cat >.git/logs/$m <<-EOF
 356         $Z $C $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 -0500
 357         $C $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150350 -0500
 358         $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 -0500
 359         $F $Z $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500
 360         $Z $E $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 -0500
 361         EOF
 362 '
 363
 364 ed="Thu, 26 May 2005 18:32:00 -0500"
 365 gd="Thu, 26 May 2005 18:33:00 -0500"
 366 ld="Thu, 26 May 2005 18:43:00 -0500"
 367 test_expect_success 'Query "master@{May 25 2005}" (before history)' '
 368         test_when_finished "rm -f o e" &&
 369         git rev-parse --verify "master@{May 25 2005}" >o 2>e &&
 370         echo "$C" >expect &&
 371         test_cmp expect o &&
 372         echo "warning: log for '\''master'\'' only goes back to $ed" >expect &&
 373         test_i18ncmp expect e
 374 '
 375 test_expect_success 'Query master@{2005-05-25} (before history)' '
 376         test_when_finished "rm -f o e" &&
 377         git rev-parse --verify master@{2005-05-25} >o 2>e &&
 378         echo "$C" >expect &&
 379         test_cmp expect o &&
 380         echo "warning: log for '\''master'\'' only goes back to $ed" >expect &&
 381         test_i18ncmp expect e
 382 '
 383 test_expect_success 'Query "master@{May 26 2005 23:31:59}" (1 second before history)' '
 384         test_when_finished "rm -f o e" &&
 385         git rev-parse --verify "master@{May 26 2005 23:31:59}" >o 2>e &&
 386         echo "$C" >expect &&
 387         test_cmp expect o &&
 388         echo "warning: log for '\''master'\'' only goes back to $ed" >expect &&
 389         test_i18ncmp expect e
 390 '
 391 test_expect_success 'Query "master@{May 26 2005 23:32:00}" (exactly history start)' '
 392         test_when_finished "rm -f o e" &&
 393         git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e &&
 394         echo "$C" >expect &&
 395         test_cmp expect o &&
 396         test_must_be_empty e
 397 '
 398 test_expect_success 'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' '
 399         test_when_finished "rm -f o e" &&
 400         git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e &&
 401         echo "$A" >expect &&
 402         test_cmp expect o &&
 403         test_must_be_empty e
 404 '
 405 test_expect_success 'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' '
 406         test_when_finished "rm -f o e" &&
 407         git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e &&
 408         echo "$B" >expect &&
 409         test_cmp expect o &&
 410         test_i18ngrep -F "warning: log for ref $m has gap after $gd" e
 411 '
 412 test_expect_success 'Query "master@{2005-05-26 23:38:00}" (middle of history)' '
 413         test_when_finished "rm -f o e" &&
 414         git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e &&
 415         echo "$Z" >expect &&
 416         test_cmp expect o &&
 417         test_must_be_empty e
 418 '
 419 test_expect_success 'Query "master@{2005-05-26 23:43:00}" (exact end of history)' '
 420         test_when_finished "rm -f o e" &&
 421         git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e &&
 422         echo "$E" >expect &&
 423         test_cmp expect o &&
 424         test_must_be_empty e
 425 '
 426 test_expect_success 'Query "master@{2005-05-28}" (past end of history)' '
 427         test_when_finished "rm -f o e" &&
 428         git rev-parse --verify "master@{2005-05-28}" >o 2>e &&
 429         echo "$D" >expect &&
 430         test_cmp expect o &&
 431         test_i18ngrep -F "warning: log for ref $m unexpectedly ended on $ld" e
 432 '
 433
 434 rm -f .git/$m .git/logs/$m expect
 435
 436 test_expect_success 'creating initial files' '
 437         test_when_finished rm -f M &&
 438         echo TEST >F &&
 439         git add F &&
 440         GIT_AUTHOR_DATE="2005-05-26 23:30" \
 441         GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a &&
 442         h_TEST=$(git rev-parse --verify HEAD) &&
 443         echo The other day this did not work. >M &&
 444         echo And then Bob told me how to fix it. >>M &&
 445         echo OTHER >F &&
 446         GIT_AUTHOR_DATE="2005-05-26 23:41" \
 447         GIT_COMMITTER_DATE="2005-05-26 23:41" git commit -F M -a &&
 448         h_OTHER=$(git rev-parse --verify HEAD) &&
 449         GIT_AUTHOR_DATE="2005-05-26 23:44" \
 450         GIT_COMMITTER_DATE="2005-05-26 23:44" git commit --amend &&
 451         h_FIXED=$(git rev-parse --verify HEAD) &&
 452         echo Merged initial commit and a later commit. >M &&
 453         echo $h_TEST >.git/MERGE_HEAD &&
 454         GIT_AUTHOR_DATE="2005-05-26 23:45" \
 455         GIT_COMMITTER_DATE="2005-05-26 23:45" git commit -F M &&
 456         h_MERGED=$(git rev-parse --verify HEAD)
 457 '
 458
 459 cat >expect <<EOF
 460 $Z $h_TEST $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000  commit (initial): add
 461 $h_TEST $h_OTHER $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000    commit: The other day this did not work.
 462 $h_OTHER $h_FIXED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151040 +0000   commit (amend): The other day this did not work.
 463 $h_FIXED $h_MERGED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151100 +0000  commit (merge): Merged initial commit and a later commit.
 464 EOF
 465 test_expect_success 'git commit logged updates' '
 466         test_cmp expect .git/logs/$m
 467 '
 468 unset h_TEST h_OTHER h_FIXED h_MERGED
 469
 470 test_expect_success 'git cat-file blob master:F (expect OTHER)' '
 471         test OTHER = $(git cat-file blob master:F)
 472 '
 473 test_expect_success 'git cat-file blob master@{2005-05-26 23:30}:F (expect TEST)' '
 474         test TEST = $(git cat-file blob "master@{2005-05-26 23:30}:F")
 475 '
 476 test_expect_success 'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER)' '
 477         test OTHER = $(git cat-file blob "master@{2005-05-26 23:42}:F")
 478 '
 479
 480 # Test adding and deleting pseudorefs
 481
 482 test_expect_success 'given old value for missing pseudoref, do not create' '
 483         test_must_fail git update-ref PSEUDOREF $A $B 2>err &&
 484         test_must_fail git rev-parse PSEUDOREF &&
 485         test_i18ngrep "unable to resolve reference" err
 486 '
 487
 488 test_expect_success 'create pseudoref' '
 489         git update-ref PSEUDOREF $A &&
 490         test $A = $(git rev-parse PSEUDOREF)
 491 '
 492
 493 test_expect_success 'overwrite pseudoref with no old value given' '
 494         git update-ref PSEUDOREF $B &&
 495         test $B = $(git rev-parse PSEUDOREF)
 496 '
 497
 498 test_expect_success 'overwrite pseudoref with correct old value' '
 499         git update-ref PSEUDOREF $C $B &&
 500         test $C = $(git rev-parse PSEUDOREF)
 501 '
 502
 503 test_expect_success 'do not overwrite pseudoref with wrong old value' '
 504         test_must_fail git update-ref PSEUDOREF $D $E 2>err &&
 505         test $C = $(git rev-parse PSEUDOREF) &&
 506         test_i18ngrep "cannot lock ref.*expected" err
 507 '
 508
 509 test_expect_success 'delete pseudoref' '
 510         git update-ref -d PSEUDOREF &&
 511         test_must_fail git rev-parse PSEUDOREF
 512 '
 513
 514 test_expect_success 'do not delete pseudoref with wrong old value' '
 515         git update-ref PSEUDOREF $A &&
 516         test_must_fail git update-ref -d PSEUDOREF $B 2>err &&
 517         test $A = $(git rev-parse PSEUDOREF) &&
 518         test_i18ngrep "cannot lock ref.*expected" err
 519 '
 520
 521 test_expect_success 'delete pseudoref with correct old value' '
 522         git update-ref -d PSEUDOREF $A &&
 523         test_must_fail git rev-parse PSEUDOREF
 524 '
 525
 526 test_expect_success 'create pseudoref with old OID zero' '
 527         git update-ref PSEUDOREF $A $Z &&
 528         test $A = $(git rev-parse PSEUDOREF)
 529 '
 530
 531 test_expect_success 'do not overwrite pseudoref with old OID zero' '
 532         test_when_finished git update-ref -d PSEUDOREF &&
 533         test_must_fail git update-ref PSEUDOREF $B $Z 2>err &&
 534         test $A = $(git rev-parse PSEUDOREF) &&
 535         test_i18ngrep "already exists" err
 536 '
 537
 538 # Test --stdin
 539
 540 a=refs/heads/a
 541 b=refs/heads/b
 542 c=refs/heads/c
 543 E='""'
 544 F='%s\0'
 545 pws='path with space'
 546
 547 test_expect_success 'stdin test setup' '
 548         echo "$pws" >"$pws" &&
 549         git add -- "$pws" &&
 550         git commit -m "$pws"
 551 '
 552
 553 test_expect_success '-z fails without --stdin' '
 554         test_must_fail git update-ref -z $m $m $m 2>err &&
 555         test_i18ngrep "usage: git update-ref" err
 556 '
 557
 558 test_expect_success 'stdin works with no input' '
 559         >stdin &&
 560         git update-ref --stdin <stdin &&
 561         git rev-parse --verify -q $m
 562 '
 563
 564 test_expect_success 'stdin fails on empty line' '
 565         echo "" >stdin &&
 566         test_must_fail git update-ref --stdin <stdin 2>err &&
 567         grep "fatal: empty command in input" err
 568 '
 569
 570 test_expect_success 'stdin fails on only whitespace' '
 571         echo " " >stdin &&
 572         test_must_fail git update-ref --stdin <stdin 2>err &&
 573         grep "fatal: whitespace before command:  " err
 574 '
 575
 576 test_expect_success 'stdin fails on leading whitespace' '
 577         echo " create $a $m" >stdin &&
 578         test_must_fail git update-ref --stdin <stdin 2>err &&
 579         grep "fatal: whitespace before command:  create $a $m" err
 580 '
 581
 582 test_expect_success 'stdin fails on unknown command' '
 583         echo "unknown $a" >stdin &&
 584         test_must_fail git update-ref --stdin <stdin 2>err &&
 585         grep "fatal: unknown command: unknown $a" err
 586 '
 587
 588 test_expect_success 'stdin fails on unbalanced quotes' '
 589         echo "create $a \"master" >stdin &&
 590         test_must_fail git update-ref --stdin <stdin 2>err &&
 591         grep "fatal: badly quoted argument: \\\"master" err
 592 '
 593
 594 test_expect_success PREPARE_FOR_MAIN_BRANCH 'stdin fails on invalid escape' '
 595         echo "create $a \"ma\zn\"" >stdin &&
 596         test_must_fail git update-ref --stdin <stdin 2>err &&
 597         grep "fatal: badly quoted argument: \\\"ma\\\\zn\\\"" err
 598 '
 599
 600 test_expect_success 'stdin fails on junk after quoted argument' '
 601         echo "create \"$a\"master" >stdin &&
 602         test_must_fail git update-ref --stdin <stdin 2>err &&
 603         grep "fatal: unexpected character after quoted argument: \\\"$a\\\"master" err
 604 '
 605
 606 test_expect_success 'stdin fails create with no ref' '
 607         echo "create " >stdin &&
 608         test_must_fail git update-ref --stdin <stdin 2>err &&
 609         grep "fatal: create: missing <ref>" err
 610 '
 611
 612 test_expect_success 'stdin fails create with no new value' '
 613         echo "create $a" >stdin &&
 614         test_must_fail git update-ref --stdin <stdin 2>err &&
 615         grep "fatal: create $a: missing <newvalue>" err
 616 '
 617
 618 test_expect_success 'stdin fails create with too many arguments' '
 619         echo "create $a $m $m" >stdin &&
 620         test_must_fail git update-ref --stdin <stdin 2>err &&
 621         grep "fatal: create $a: extra input:  $m" err
 622 '
 623
 624 test_expect_success 'stdin fails update with no ref' '
 625         echo "update " >stdin &&
 626         test_must_fail git update-ref --stdin <stdin 2>err &&
 627         grep "fatal: update: missing <ref>" err
 628 '
 629
 630 test_expect_success 'stdin fails update with no new value' '
 631         echo "update $a" >stdin &&
 632         test_must_fail git update-ref --stdin <stdin 2>err &&
 633         grep "fatal: update $a: missing <newvalue>" err
 634 '
 635
 636 test_expect_success 'stdin fails update with too many arguments' '
 637         echo "update $a $m $m $m" >stdin &&
 638         test_must_fail git update-ref --stdin <stdin 2>err &&
 639         grep "fatal: update $a: extra input:  $m" err
 640 '
 641
 642 test_expect_success 'stdin fails delete with no ref' '
 643         echo "delete " >stdin &&
 644         test_must_fail git update-ref --stdin <stdin 2>err &&
 645         grep "fatal: delete: missing <ref>" err
 646 '
 647
 648 test_expect_success 'stdin fails delete with too many arguments' '
 649         echo "delete $a $m $m" >stdin &&
 650         test_must_fail git update-ref --stdin <stdin 2>err &&
 651         grep "fatal: delete $a: extra input:  $m" err
 652 '
 653
 654 test_expect_success 'stdin fails verify with too many arguments' '
 655         echo "verify $a $m $m" >stdin &&
 656         test_must_fail git update-ref --stdin <stdin 2>err &&
 657         grep "fatal: verify $a: extra input:  $m" err
 658 '
 659
 660 test_expect_success 'stdin fails option with unknown name' '
 661         echo "option unknown" >stdin &&
 662         test_must_fail git update-ref --stdin <stdin 2>err &&
 663         grep "fatal: option unknown: unknown" err
 664 '
 665
 666 test_expect_success 'stdin fails with duplicate refs' '
 667         cat >stdin <<-EOF &&
 668         create $a $m
 669         create $b $m
 670         create $a $m
 671         EOF
 672         test_must_fail git update-ref --stdin <stdin 2>err &&
 673         test_i18ngrep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed" err
 674 '
 675
 676 test_expect_success 'stdin create ref works' '
 677         echo "create $a $m" >stdin &&
 678         git update-ref --stdin <stdin &&
 679         git rev-parse $m >expect &&
 680         git rev-parse $a >actual &&
 681         test_cmp expect actual
 682 '
 683
 684 test_expect_success 'stdin does not create reflogs by default' '
 685         test_when_finished "git update-ref -d $outside" &&
 686         echo "create $outside $m" >stdin &&
 687         git update-ref --stdin <stdin &&
 688         git rev-parse $m >expect &&
 689         git rev-parse $outside >actual &&
 690         test_cmp expect actual &&
 691         test_must_fail git reflog exists $outside
 692 '
 693
 694 test_expect_success 'stdin creates reflogs with --create-reflog' '
 695         test_when_finished "git update-ref -d $outside" &&
 696         echo "create $outside $m" >stdin &&
 697         git update-ref --create-reflog --stdin <stdin &&
 698         git rev-parse $m >expect &&
 699         git rev-parse $outside >actual &&
 700         test_cmp expect actual &&
 701         git reflog exists $outside
 702 '
 703
 704 test_expect_success 'stdin succeeds with quoted argument' '
 705         git update-ref -d $a &&
 706         echo "create $a \"$m\"" >stdin &&
 707         git update-ref --stdin <stdin &&
 708         git rev-parse $m >expect &&
 709         git rev-parse $a >actual &&
 710         test_cmp expect actual
 711 '
 712
 713 test_expect_success PREPARE_FOR_MAIN_BRANCH 'stdin succeeds with escaped character' '
 714         git update-ref -d $a &&
 715         echo "create $a \"ma\\151n\"" >stdin &&
 716         git update-ref --stdin <stdin &&
 717         git rev-parse $m >expect &&
 718         git rev-parse $a >actual &&
 719         test_cmp expect actual
 720 '
 721
 722 test_expect_success 'stdin update ref creates with zero old value' '
 723         echo "update $b $m $Z" >stdin &&
 724         git update-ref --stdin <stdin &&
 725         git rev-parse $m >expect &&
 726         git rev-parse $b >actual &&
 727         test_cmp expect actual &&
 728         git update-ref -d $b
 729 '
 730
 731 test_expect_success 'stdin update ref creates with empty old value' '
 732         echo "update $b $m $E" >stdin &&
 733         git update-ref --stdin <stdin &&
 734         git rev-parse $m >expect &&
 735         git rev-parse $b >actual &&
 736         test_cmp expect actual
 737 '
 738
 739 test_expect_success 'stdin create ref works with path with space to blob' '
 740         echo "create refs/blobs/pws \"$m:$pws\"" >stdin &&
 741         git update-ref --stdin <stdin &&
 742         git rev-parse "$m:$pws" >expect &&
 743         git rev-parse refs/blobs/pws >actual &&
 744         test_cmp expect actual &&
 745         git update-ref -d refs/blobs/pws
 746 '
 747
 748 test_expect_success 'stdin update ref fails with wrong old value' '
 749         echo "update $c $m $m~1" >stdin &&
 750         test_must_fail git update-ref --stdin <stdin 2>err &&
 751         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 752         test_must_fail git rev-parse --verify -q $c
 753 '
 754
 755 test_expect_success 'stdin update ref fails with bad old value' '
 756         echo "update $c $m does-not-exist" >stdin &&
 757         test_must_fail git update-ref --stdin <stdin 2>err &&
 758         grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
 759         test_must_fail git rev-parse --verify -q $c
 760 '
 761
 762 test_expect_success 'stdin create ref fails with bad new value' '
 763         echo "create $c does-not-exist" >stdin &&
 764         test_must_fail git update-ref --stdin <stdin 2>err &&
 765         grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
 766         test_must_fail git rev-parse --verify -q $c
 767 '
 768
 769 test_expect_success 'stdin create ref fails with zero new value' '
 770         echo "create $c " >stdin &&
 771         test_must_fail git update-ref --stdin <stdin 2>err &&
 772         grep "fatal: create $c: zero <newvalue>" err &&
 773         test_must_fail git rev-parse --verify -q $c
 774 '
 775
 776 test_expect_success 'stdin update ref works with right old value' '
 777         echo "update $b $m~1 $m" >stdin &&
 778         git update-ref --stdin <stdin &&
 779         git rev-parse $m~1 >expect &&
 780         git rev-parse $b >actual &&
 781         test_cmp expect actual
 782 '
 783
 784 test_expect_success 'stdin delete ref fails with wrong old value' '
 785         echo "delete $a $m~1" >stdin &&
 786         test_must_fail git update-ref --stdin <stdin 2>err &&
 787         grep "fatal: cannot lock ref '"'"'$a'"'"'" err &&
 788         git rev-parse $m >expect &&
 789         git rev-parse $a >actual &&
 790         test_cmp expect actual
 791 '
 792
 793 test_expect_success 'stdin delete ref fails with zero old value' '
 794         echo "delete $a " >stdin &&
 795         test_must_fail git update-ref --stdin <stdin 2>err &&
 796         grep "fatal: delete $a: zero <oldvalue>" err &&
 797         git rev-parse $m >expect &&
 798         git rev-parse $a >actual &&
 799         test_cmp expect actual
 800 '
 801
 802 test_expect_success 'stdin update symref works option no-deref' '
 803         git symbolic-ref TESTSYMREF $b &&
 804         cat >stdin <<-EOF &&
 805         option no-deref
 806         update TESTSYMREF $a $b
 807         EOF
 808         git update-ref --stdin <stdin &&
 809         git rev-parse TESTSYMREF >expect &&
 810         git rev-parse $a >actual &&
 811         test_cmp expect actual &&
 812         git rev-parse $m~1 >expect &&
 813         git rev-parse $b >actual &&
 814         test_cmp expect actual
 815 '
 816
 817 test_expect_success 'stdin delete symref works option no-deref' '
 818         git symbolic-ref TESTSYMREF $b &&
 819         cat >stdin <<-EOF &&
 820         option no-deref
 821         delete TESTSYMREF $b
 822         EOF
 823         git update-ref --stdin <stdin &&
 824         test_must_fail git rev-parse --verify -q TESTSYMREF &&
 825         git rev-parse $m~1 >expect &&
 826         git rev-parse $b >actual &&
 827         test_cmp expect actual
 828 '
 829
 830 test_expect_success 'stdin update symref works flag --no-deref' '
 831         git symbolic-ref TESTSYMREFONE $b &&
 832         git symbolic-ref TESTSYMREFTWO $b &&
 833         cat >stdin <<-EOF &&
 834         update TESTSYMREFONE $a $b
 835         update TESTSYMREFTWO $a $b
 836         EOF
 837         git update-ref --no-deref --stdin <stdin &&
 838         git rev-parse TESTSYMREFONE TESTSYMREFTWO >expect &&
 839         git rev-parse $a $a >actual &&
 840         test_cmp expect actual &&
 841         git rev-parse $m~1 >expect &&
 842         git rev-parse $b >actual &&
 843         test_cmp expect actual
 844 '
 845
 846 test_expect_success 'stdin delete symref works flag --no-deref' '
 847         git symbolic-ref TESTSYMREFONE $b &&
 848         git symbolic-ref TESTSYMREFTWO $b &&
 849         cat >stdin <<-EOF &&
 850         delete TESTSYMREFONE $b
 851         delete TESTSYMREFTWO $b
 852         EOF
 853         git update-ref --no-deref --stdin <stdin &&
 854         test_must_fail git rev-parse --verify -q TESTSYMREFONE &&
 855         test_must_fail git rev-parse --verify -q TESTSYMREFTWO &&
 856         git rev-parse $m~1 >expect &&
 857         git rev-parse $b >actual &&
 858         test_cmp expect actual
 859 '
 860
 861 test_expect_success 'stdin delete ref works with right old value' '
 862         echo "delete $b $m~1" >stdin &&
 863         git update-ref --stdin <stdin &&
 864         test_must_fail git rev-parse --verify -q $b
 865 '
 866
 867 test_expect_success 'stdin update/create/verify combination works' '
 868         cat >stdin <<-EOF &&
 869         update $a $m
 870         create $b $m
 871         verify $c
 872         EOF
 873         git update-ref --stdin <stdin &&
 874         git rev-parse $m >expect &&
 875         git rev-parse $a >actual &&
 876         test_cmp expect actual &&
 877         git rev-parse $b >actual &&
 878         test_cmp expect actual &&
 879         test_must_fail git rev-parse --verify -q $c
 880 '
 881
 882 test_expect_success 'stdin verify succeeds for correct value' '
 883         git rev-parse $m >expect &&
 884         echo "verify $m $m" >stdin &&
 885         git update-ref --stdin <stdin &&
 886         git rev-parse $m >actual &&
 887         test_cmp expect actual
 888 '
 889
 890 test_expect_success 'stdin verify succeeds for missing reference' '
 891         echo "verify refs/heads/missing $Z" >stdin &&
 892         git update-ref --stdin <stdin &&
 893         test_must_fail git rev-parse --verify -q refs/heads/missing
 894 '
 895
 896 test_expect_success 'stdin verify treats no value as missing' '
 897         echo "verify refs/heads/missing" >stdin &&
 898         git update-ref --stdin <stdin &&
 899         test_must_fail git rev-parse --verify -q refs/heads/missing
 900 '
 901
 902 test_expect_success 'stdin verify fails for wrong value' '
 903         git rev-parse $m >expect &&
 904         echo "verify $m $m~1" >stdin &&
 905         test_must_fail git update-ref --stdin <stdin &&
 906         git rev-parse $m >actual &&
 907         test_cmp expect actual
 908 '
 909
 910 test_expect_success 'stdin verify fails for mistaken null value' '
 911         git rev-parse $m >expect &&
 912         echo "verify $m $Z" >stdin &&
 913         test_must_fail git update-ref --stdin <stdin &&
 914         git rev-parse $m >actual &&
 915         test_cmp expect actual
 916 '
 917
 918 test_expect_success 'stdin verify fails for mistaken empty value' '
 919         M=$(git rev-parse $m) &&
 920         test_when_finished "git update-ref $m $M" &&
 921         git rev-parse $m >expect &&
 922         echo "verify $m" >stdin &&
 923         test_must_fail git update-ref --stdin <stdin &&
 924         git rev-parse $m >actual &&
 925         test_cmp expect actual
 926 '
 927
 928 test_expect_success 'stdin update refs works with identity updates' '
 929         cat >stdin <<-EOF &&
 930         update $a $m $m
 931         update $b $m $m
 932         update $c $Z $E
 933         EOF
 934         git update-ref --stdin <stdin &&
 935         git rev-parse $m >expect &&
 936         git rev-parse $a >actual &&
 937         test_cmp expect actual &&
 938         git rev-parse $b >actual &&
 939         test_cmp expect actual &&
 940         test_must_fail git rev-parse --verify -q $c
 941 '
 942
 943 test_expect_success 'stdin update refs fails with wrong old value' '
 944         git update-ref $c $m &&
 945         cat >stdin <<-EOF &&
 946         update $a $m $m
 947         update $b $m $m
 948         update $c  ''
 949         EOF
 950         test_must_fail git update-ref --stdin <stdin 2>err &&
 951         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 952         git rev-parse $m >expect &&
 953         git rev-parse $a >actual &&
 954         test_cmp expect actual &&
 955         git rev-parse $b >actual &&
 956         test_cmp expect actual &&
 957         git rev-parse $c >actual &&
 958         test_cmp expect actual
 959 '
 960
 961 test_expect_success 'stdin delete refs works with packed and loose refs' '
 962         git pack-refs --all &&
 963         git update-ref $c $m~1 &&
 964         cat >stdin <<-EOF &&
 965         delete $a $m
 966         update $b $Z $m
 967         update $c $E $m~1
 968         EOF
 969         git update-ref --stdin <stdin &&
 970         test_must_fail git rev-parse --verify -q $a &&
 971         test_must_fail git rev-parse --verify -q $b &&
 972         test_must_fail git rev-parse --verify -q $c
 973 '
 974
 975 test_expect_success 'stdin -z works on empty input' '
 976         >stdin &&
 977         git update-ref -z --stdin <stdin &&
 978         git rev-parse --verify -q $m
 979 '
 980
 981 test_expect_success 'stdin -z fails on empty line' '
 982         echo "" >stdin &&
 983         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 984         grep "fatal: whitespace before command: " err
 985 '
 986
 987 test_expect_success 'stdin -z fails on empty command' '
 988         printf $F "" >stdin &&
 989         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 990         grep "fatal: empty command in input" err
 991 '
 992
 993 test_expect_success 'stdin -z fails on only whitespace' '
 994         printf $F " " >stdin &&
 995         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 996         grep "fatal: whitespace before command:  " err
 997 '
 998
 999 test_expect_success 'stdin -z fails on leading whitespace' '
1000         printf $F " create $a" "$m" >stdin &&
1001         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1002         grep "fatal: whitespace before command:  create $a" err
1003 '
1004
1005 test_expect_success 'stdin -z fails on unknown command' '
1006         printf $F "unknown $a" >stdin &&
1007         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1008         grep "fatal: unknown command: unknown $a" err
1009 '
1010
1011 test_expect_success 'stdin -z fails create with no ref' '
1012         printf $F "create " >stdin &&
1013         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1014         grep "fatal: create: missing <ref>" err
1015 '
1016
1017 test_expect_success 'stdin -z fails create with no new value' '
1018         printf $F "create $a" >stdin &&
1019         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1020         grep "fatal: create $a: unexpected end of input when reading <newvalue>" err
1021 '
1022
1023 test_expect_success 'stdin -z fails create with too many arguments' '
1024         printf $F "create $a" "$m" "$m" >stdin &&
1025         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1026         grep "fatal: unknown command: $m" err
1027 '
1028
1029 test_expect_success 'stdin -z fails update with no ref' '
1030         printf $F "update " >stdin &&
1031         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1032         grep "fatal: update: missing <ref>" err
1033 '
1034
1035 test_expect_success 'stdin -z fails update with too few args' '
1036         printf $F "update $a" "$m" >stdin &&
1037         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1038         grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
1039 '
1040
1041 test_expect_success 'stdin -z emits warning with empty new value' '
1042         git update-ref $a $m &&
1043         printf $F "update $a" "" "" >stdin &&
1044         git update-ref -z --stdin <stdin 2>err &&
1045         grep "warning: update $a: missing <newvalue>, treating as zero" err &&
1046         test_must_fail git rev-parse --verify -q $a
1047 '
1048
1049 test_expect_success 'stdin -z fails update with no new value' '
1050         printf $F "update $a" >stdin &&
1051         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1052         grep "fatal: update $a: unexpected end of input when reading <newvalue>" err
1053 '
1054
1055 test_expect_success 'stdin -z fails update with no old value' '
1056         printf $F "update $a" "$m" >stdin &&
1057         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1058         grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
1059 '
1060
1061 test_expect_success 'stdin -z fails update with too many arguments' '
1062         printf $F "update $a" "$m" "$m" "$m" >stdin &&
1063         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1064         grep "fatal: unknown command: $m" err
1065 '
1066
1067 test_expect_success 'stdin -z fails delete with no ref' '
1068         printf $F "delete " >stdin &&
1069         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1070         grep "fatal: delete: missing <ref>" err
1071 '
1072
1073 test_expect_success 'stdin -z fails delete with no old value' '
1074         printf $F "delete $a" >stdin &&
1075         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1076         grep "fatal: delete $a: unexpected end of input when reading <oldvalue>" err
1077 '
1078
1079 test_expect_success 'stdin -z fails delete with too many arguments' '
1080         printf $F "delete $a" "$m" "$m" >stdin &&
1081         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1082         grep "fatal: unknown command: $m" err
1083 '
1084
1085 test_expect_success 'stdin -z fails verify with too many arguments' '
1086         printf $F "verify $a" "$m" "$m" >stdin &&
1087         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1088         grep "fatal: unknown command: $m" err
1089 '
1090
1091 test_expect_success 'stdin -z fails verify with no old value' '
1092         printf $F "verify $a" >stdin &&
1093         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1094         grep "fatal: verify $a: unexpected end of input when reading <oldvalue>" err
1095 '
1096
1097 test_expect_success 'stdin -z fails option with unknown name' '
1098         printf $F "option unknown" >stdin &&
1099         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1100         grep "fatal: option unknown: unknown" err
1101 '
1102
1103 test_expect_success 'stdin -z fails with duplicate refs' '
1104         printf $F "create $a" "$m" "create $b" "$m" "create $a" "$m" >stdin &&
1105         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1106         test_i18ngrep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed" err
1107 '
1108
1109 test_expect_success 'stdin -z create ref works' '
1110         printf $F "create $a" "$m" >stdin &&
1111         git update-ref -z --stdin <stdin &&
1112         git rev-parse $m >expect &&
1113         git rev-parse $a >actual &&
1114         test_cmp expect actual
1115 '
1116
1117 test_expect_success 'stdin -z update ref creates with zero old value' '
1118         printf $F "update $b" "$m" "$Z" >stdin &&
1119         git update-ref -z --stdin <stdin &&
1120         git rev-parse $m >expect &&
1121         git rev-parse $b >actual &&
1122         test_cmp expect actual &&
1123         git update-ref -d $b
1124 '
1125
1126 test_expect_success 'stdin -z update ref creates with empty old value' '
1127         printf $F "update $b" "$m" "" >stdin &&
1128         git update-ref -z --stdin <stdin &&
1129         git rev-parse $m >expect &&
1130         git rev-parse $b >actual &&
1131         test_cmp expect actual
1132 '
1133
1134 test_expect_success 'stdin -z create ref works with path with space to blob' '
1135         printf $F "create refs/blobs/pws" "$m:$pws" >stdin &&
1136         git update-ref -z --stdin <stdin &&
1137         git rev-parse "$m:$pws" >expect &&
1138         git rev-parse refs/blobs/pws >actual &&
1139         test_cmp expect actual &&
1140         git update-ref -d refs/blobs/pws
1141 '
1142
1143 test_expect_success 'stdin -z update ref fails with wrong old value' '
1144         printf $F "update $c" "$m" "$m~1" >stdin &&
1145         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1146         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1147         test_must_fail git rev-parse --verify -q $c
1148 '
1149
1150 test_expect_success 'stdin -z update ref fails with bad old value' '
1151         printf $F "update $c" "$m" "does-not-exist" >stdin &&
1152         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1153         grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
1154         test_must_fail git rev-parse --verify -q $c
1155 '
1156
1157 test_expect_success 'stdin -z create ref fails when ref exists' '
1158         git update-ref $c $m &&
1159         git rev-parse "$c" >expect &&
1160         printf $F "create $c" "$m~1" >stdin &&
1161         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1162         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1163         git rev-parse "$c" >actual &&
1164         test_cmp expect actual
1165 '
1166
1167 test_expect_success 'stdin -z create ref fails with bad new value' '
1168         git update-ref -d "$c" &&
1169         printf $F "create $c" "does-not-exist" >stdin &&
1170         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1171         grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
1172         test_must_fail git rev-parse --verify -q $c
1173 '
1174
1175 test_expect_success 'stdin -z create ref fails with empty new value' '
1176         printf $F "create $c" "" >stdin &&
1177         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1178         grep "fatal: create $c: missing <newvalue>" err &&
1179         test_must_fail git rev-parse --verify -q $c
1180 '
1181
1182 test_expect_success 'stdin -z update ref works with right old value' '
1183         printf $F "update $b" "$m~1" "$m" >stdin &&
1184         git update-ref -z --stdin <stdin &&
1185         git rev-parse $m~1 >expect &&
1186         git rev-parse $b >actual &&
1187         test_cmp expect actual
1188 '
1189
1190 test_expect_success 'stdin -z delete ref fails with wrong old value' '
1191         printf $F "delete $a" "$m~1" >stdin &&
1192         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1193         grep "fatal: cannot lock ref '"'"'$a'"'"'" err &&
1194         git rev-parse $m >expect &&
1195         git rev-parse $a >actual &&
1196         test_cmp expect actual
1197 '
1198
1199 test_expect_success 'stdin -z delete ref fails with zero old value' '
1200         printf $F "delete $a" "$Z" >stdin &&
1201         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1202         grep "fatal: delete $a: zero <oldvalue>" err &&
1203         git rev-parse $m >expect &&
1204         git rev-parse $a >actual &&
1205         test_cmp expect actual
1206 '
1207
1208 test_expect_success 'stdin -z update symref works option no-deref' '
1209         git symbolic-ref TESTSYMREF $b &&
1210         printf $F "option no-deref" "update TESTSYMREF" "$a" "$b" >stdin &&
1211         git update-ref -z --stdin <stdin &&
1212         git rev-parse TESTSYMREF >expect &&
1213         git rev-parse $a >actual &&
1214         test_cmp expect actual &&
1215         git rev-parse $m~1 >expect &&
1216         git rev-parse $b >actual &&
1217         test_cmp expect actual
1218 '
1219
1220 test_expect_success 'stdin -z delete symref works option no-deref' '
1221         git symbolic-ref TESTSYMREF $b &&
1222         printf $F "option no-deref" "delete TESTSYMREF" "$b" >stdin &&
1223         git update-ref -z --stdin <stdin &&
1224         test_must_fail git rev-parse --verify -q TESTSYMREF &&
1225         git rev-parse $m~1 >expect &&
1226         git rev-parse $b >actual &&
1227         test_cmp expect actual
1228 '
1229
1230 test_expect_success 'stdin -z delete ref works with right old value' '
1231         printf $F "delete $b" "$m~1" >stdin &&
1232         git update-ref -z --stdin <stdin &&
1233         test_must_fail git rev-parse --verify -q $b
1234 '
1235
1236 test_expect_success 'stdin -z update/create/verify combination works' '
1237         printf $F "update $a" "$m" "" "create $b" "$m" "verify $c" "" >stdin &&
1238         git update-ref -z --stdin <stdin &&
1239         git rev-parse $m >expect &&
1240         git rev-parse $a >actual &&
1241         test_cmp expect actual &&
1242         git rev-parse $b >actual &&
1243         test_cmp expect actual &&
1244         test_must_fail git rev-parse --verify -q $c
1245 '
1246
1247 test_expect_success 'stdin -z verify succeeds for correct value' '
1248         git rev-parse $m >expect &&
1249         printf $F "verify $m" "$m" >stdin &&
1250         git update-ref -z --stdin <stdin &&
1251         git rev-parse $m >actual &&
1252         test_cmp expect actual
1253 '
1254
1255 test_expect_success 'stdin -z verify succeeds for missing reference' '
1256         printf $F "verify refs/heads/missing" "$Z" >stdin &&
1257         git update-ref -z --stdin <stdin &&
1258         test_must_fail git rev-parse --verify -q refs/heads/missing
1259 '
1260
1261 test_expect_success 'stdin -z verify treats no value as missing' '
1262         printf $F "verify refs/heads/missing" "" >stdin &&
1263         git update-ref -z --stdin <stdin &&
1264         test_must_fail git rev-parse --verify -q refs/heads/missing
1265 '
1266
1267 test_expect_success 'stdin -z verify fails for wrong value' '
1268         git rev-parse $m >expect &&
1269         printf $F "verify $m" "$m~1" >stdin &&
1270         test_must_fail git update-ref -z --stdin <stdin &&
1271         git rev-parse $m >actual &&
1272         test_cmp expect actual
1273 '
1274
1275 test_expect_success 'stdin -z verify fails for mistaken null value' '
1276         git rev-parse $m >expect &&
1277         printf $F "verify $m" "$Z" >stdin &&
1278         test_must_fail git update-ref -z --stdin <stdin &&
1279         git rev-parse $m >actual &&
1280         test_cmp expect actual
1281 '
1282
1283 test_expect_success 'stdin -z verify fails for mistaken empty value' '
1284         M=$(git rev-parse $m) &&
1285         test_when_finished "git update-ref $m $M" &&
1286         git rev-parse $m >expect &&
1287         printf $F "verify $m" "" >stdin &&
1288         test_must_fail git update-ref -z --stdin <stdin &&
1289         git rev-parse $m >actual &&
1290         test_cmp expect actual
1291 '
1292
1293 test_expect_success 'stdin -z update refs works with identity updates' '
1294         printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$Z" "" >stdin &&
1295         git update-ref -z --stdin <stdin &&
1296         git rev-parse $m >expect &&
1297         git rev-parse $a >actual &&
1298         test_cmp expect actual &&
1299         git rev-parse $b >actual &&
1300         test_cmp expect actual &&
1301         test_must_fail git rev-parse --verify -q $c
1302 '
1303
1304 test_expect_success 'stdin -z update refs fails with wrong old value' '
1305         git update-ref $c $m &&
1306         printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$m" "$Z" >stdin &&
1307         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1308         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1309         git rev-parse $m >expect &&
1310         git rev-parse $a >actual &&
1311         test_cmp expect actual &&
1312         git rev-parse $b >actual &&
1313         test_cmp expect actual &&
1314         git rev-parse $c >actual &&
1315         test_cmp expect actual
1316 '
1317
1318 test_expect_success 'stdin -z delete refs works with packed and loose refs' '
1319         git pack-refs --all &&
1320         git update-ref $c $m~1 &&
1321         printf $F "delete $a" "$m" "update $b" "$Z" "$m" "update $c" "" "$m~1" >stdin &&
1322         git update-ref -z --stdin <stdin &&
1323         test_must_fail git rev-parse --verify -q $a &&
1324         test_must_fail git rev-parse --verify -q $b &&
1325         test_must_fail git rev-parse --verify -q $c
1326 '
1327
1328 test_expect_success 'fails with duplicate HEAD update' '
1329         git branch target1 $A &&
1330         git checkout target1 &&
1331         cat >stdin <<-EOF &&
1332         update refs/heads/target1 $C
1333         option no-deref
1334         update HEAD $B
1335         EOF
1336         test_must_fail git update-ref --stdin <stdin 2>err &&
1337         test_i18ngrep "fatal: multiple updates for '\''HEAD'\'' (including one via its referent .refs/heads/target1.) are not allowed" err &&
1338         echo "refs/heads/target1" >expect &&
1339         git symbolic-ref HEAD >actual &&
1340         test_cmp expect actual &&
1341         echo "$A" >expect &&
1342         git rev-parse refs/heads/target1 >actual &&
1343         test_cmp expect actual
1344 '
1345
1346 test_expect_success 'fails with duplicate ref update via symref' '
1347         git branch target2 $A &&
1348         git symbolic-ref refs/heads/symref2 refs/heads/target2 &&
1349         cat >stdin <<-EOF &&
1350         update refs/heads/target2 $C
1351         update refs/heads/symref2 $B
1352         EOF
1353         test_must_fail git update-ref --stdin <stdin 2>err &&
1354         test_i18ngrep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err &&
1355         echo "refs/heads/target2" >expect &&
1356         git symbolic-ref refs/heads/symref2 >actual &&
1357         test_cmp expect actual &&
1358         echo "$A" >expect &&
1359         git rev-parse refs/heads/target2 >actual &&
1360         test_cmp expect actual
1361 '
1362
1363 test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction creating branches does not burst open file limit' '
1364 (
1365         for i in $(test_seq 33)
1366         do
1367                 echo "create refs/heads/$i HEAD"
1368         done >large_input &&
1369         run_with_limited_open_files git update-ref --stdin <large_input &&
1370         git rev-parse --verify -q refs/heads/33
1371 )
1372 '
1373
1374 test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction deleting branches does not burst open file limit' '
1375 (
1376         for i in $(test_seq 33)
1377         do
1378                 echo "delete refs/heads/$i HEAD"
1379         done >large_input &&
1380         run_with_limited_open_files git update-ref --stdin <large_input &&
1381         test_must_fail git rev-parse --verify -q refs/heads/33
1382 )
1383 '
1384
1385 test_expect_success 'handle per-worktree refs in refs/bisect' '
1386         git commit --allow-empty -m "initial commit" &&
1387         git worktree add -b branch worktree &&
1388         (
1389                 cd worktree &&
1390                 git commit --allow-empty -m "test commit"  &&
1391                 git for-each-ref >for-each-ref.out &&
1392                 ! grep refs/bisect for-each-ref.out &&
1393                 git update-ref refs/bisect/something HEAD &&
1394                 git rev-parse refs/bisect/something >../worktree-head &&
1395                 git for-each-ref | grep refs/bisect/something
1396         ) &&
1397         git show-ref >actual &&
1398         ! grep 'refs/bisect' actual &&
1399         test_must_fail git rev-parse refs/bisect/something &&
1400         git update-ref refs/bisect/something HEAD &&
1401         git rev-parse refs/bisect/something >main-head &&
1402         ! test_cmp main-head worktree-head
1403 '
1404
1405 test_expect_success 'transaction handles empty commit' '
1406         cat >stdin <<-EOF &&
1407         start
1408         prepare
1409         commit
1410         EOF
1411         git update-ref --stdin <stdin >actual &&
1412         printf "%s: ok\n" start prepare commit >expect &&
1413         test_cmp expect actual
1414 '
1415
1416 test_expect_success 'transaction handles empty commit with missing prepare' '
1417         cat >stdin <<-EOF &&
1418         start
1419         commit
1420         EOF
1421         git update-ref --stdin <stdin >actual &&
1422         printf "%s: ok\n" start commit >expect &&
1423         test_cmp expect actual
1424 '
1425
1426 test_expect_success 'transaction handles sole commit' '
1427         cat >stdin <<-EOF &&
1428         commit
1429         EOF
1430         git update-ref --stdin <stdin >actual &&
1431         printf "%s: ok\n" commit >expect &&
1432         test_cmp expect actual
1433 '
1434
1435 test_expect_success 'transaction handles empty abort' '
1436         cat >stdin <<-EOF &&
1437         start
1438         prepare
1439         abort
1440         EOF
1441         git update-ref --stdin <stdin >actual &&
1442         printf "%s: ok\n" start prepare abort >expect &&
1443         test_cmp expect actual
1444 '
1445
1446 test_expect_success 'transaction exits on multiple aborts' '
1447         cat >stdin <<-EOF &&
1448         abort
1449         abort
1450         EOF
1451         test_must_fail git update-ref --stdin <stdin >actual 2>err &&
1452         printf "%s: ok\n" abort >expect &&
1453         test_cmp expect actual &&
1454         grep "fatal: transaction is closed" err
1455 '
1456
1457 test_expect_success 'transaction exits on start after prepare' '
1458         cat >stdin <<-EOF &&
1459         prepare
1460         start
1461         EOF
1462         test_must_fail git update-ref --stdin <stdin 2>err >actual &&
1463         printf "%s: ok\n" prepare >expect &&
1464         test_cmp expect actual &&
1465         grep "fatal: prepared transactions can only be closed" err
1466 '
1467
1468 test_expect_success 'transaction handles empty abort with missing prepare' '
1469         cat >stdin <<-EOF &&
1470         start
1471         abort
1472         EOF
1473         git update-ref --stdin <stdin >actual &&
1474         printf "%s: ok\n" start abort >expect &&
1475         test_cmp expect actual
1476 '
1477
1478 test_expect_success 'transaction handles sole abort' '
1479         cat >stdin <<-EOF &&
1480         abort
1481         EOF
1482         git update-ref --stdin <stdin >actual &&
1483         printf "%s: ok\n" abort >expect &&
1484         test_cmp expect actual
1485 '
1486
1487 test_expect_success 'transaction can handle commit' '
1488         cat >stdin <<-EOF &&
1489         start
1490         create $a HEAD
1491         commit
1492         EOF
1493         git update-ref --stdin <stdin >actual &&
1494         printf "%s: ok\n" start commit >expect &&
1495         test_cmp expect actual &&
1496         git rev-parse HEAD >expect &&
1497         git rev-parse $a >actual &&
1498         test_cmp expect actual
1499 '
1500
1501 test_expect_success 'transaction can handle abort' '
1502         cat >stdin <<-EOF &&
1503         start
1504         create $b HEAD
1505         abort
1506         EOF
1507         git update-ref --stdin <stdin >actual &&
1508         printf "%s: ok\n" start abort >expect &&
1509         test_cmp expect actual &&
1510         test_must_fail git show-ref --verify -q $b
1511 '
1512
1513 test_expect_success 'transaction aborts by default' '
1514         cat >stdin <<-EOF &&
1515         start
1516         create $b HEAD
1517         EOF
1518         git update-ref --stdin <stdin >actual &&
1519         printf "%s: ok\n" start >expect &&
1520         test_cmp expect actual &&
1521         test_must_fail git show-ref --verify -q $b
1522 '
1523
1524 test_expect_success 'transaction with prepare aborts by default' '
1525         cat >stdin <<-EOF &&
1526         start
1527         create $b HEAD
1528         prepare
1529         EOF
1530         git update-ref --stdin <stdin >actual &&
1531         printf "%s: ok\n" start prepare >expect &&
1532         test_cmp expect actual &&
1533         test_must_fail git show-ref --verify -q $b
1534 '
1535
1536 test_expect_success 'transaction can commit multiple times' '
1537         cat >stdin <<-EOF &&
1538         start
1539         create refs/heads/branch-1 $A
1540         commit
1541         start
1542         create refs/heads/branch-2 $B
1543         commit
1544         EOF
1545         git update-ref --stdin <stdin >actual &&
1546         printf "%s: ok\n" start commit start commit >expect &&
1547         test_cmp expect actual &&
1548         echo "$A" >expect &&
1549         git rev-parse refs/heads/branch-1 >actual &&
1550         test_cmp expect actual &&
1551         echo "$B" >expect &&
1552         git rev-parse refs/heads/branch-2 >actual &&
1553         test_cmp expect actual
1554 '
1555
1556 test_expect_success 'transaction can create and delete' '
1557         cat >stdin <<-EOF &&
1558         start
1559         create refs/heads/create-and-delete $A
1560         commit
1561         start
1562         delete refs/heads/create-and-delete $A
1563         commit
1564         EOF
1565         git update-ref --stdin <stdin >actual &&
1566         printf "%s: ok\n" start commit start commit >expect &&
1567         test_must_fail git show-ref --verify refs/heads/create-and-delete
1568 '
1569
1570 test_expect_success 'transaction can commit after abort' '
1571         cat >stdin <<-EOF &&
1572         start
1573         create refs/heads/abort $A
1574         abort
1575         start
1576         create refs/heads/abort $A
1577         commit
1578         EOF
1579         git update-ref --stdin <stdin >actual &&
1580         printf "%s: ok\n" start abort start commit >expect &&
1581         echo "$A" >expect &&
1582         git rev-parse refs/heads/abort >actual &&
1583         test_cmp expect actual
1584 '
1585
1586 test_expect_success 'transaction cannot restart ongoing transaction' '
1587         cat >stdin <<-EOF &&
1588         start
1589         create refs/heads/restart $A
1590         start
1591         commit
1592         EOF
1593         test_must_fail git update-ref --stdin <stdin >actual &&
1594         test_must_fail git show-ref --verify refs/heads/restart
1595 '
1596
1597 test_done