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=$_z40
  10
  11 test_expect_success setup '
  12
  13         for name in A B C D E F
  14         do
  15                 test_tick &&
  16                 T=$(git write-tree) &&
  17                 sha1=$(echo $name | git commit-tree $T) &&
  18                 eval $name=$sha1
  19         done
  20
  21 '
  22
  23 m=refs/heads/master
  24 n_dir=refs/heads/gu
  25 n=$n_dir/fixes
  26 outside=refs/foo
  27
  28 test_expect_success \
  29         "create $m" \
  30         "git update-ref $m $A &&
  31          test $A"' = $(cat .git/'"$m"')'
  32 test_expect_success \
  33         "create $m" \
  34         "git update-ref $m $B $A &&
  35          test $B"' = $(cat .git/'"$m"')'
  36 test_expect_success "fail to delete $m with stale ref" '
  37         test_must_fail git update-ref -d $m $A &&
  38         test $B = "$(cat .git/$m)"
  39 '
  40 test_expect_success "delete $m" '
  41         git update-ref -d $m $B &&
  42         ! test -f .git/$m
  43 '
  44 rm -f .git/$m
  45
  46 test_expect_success "delete $m without oldvalue verification" "
  47         git update-ref $m $A &&
  48         test $A = \$(cat .git/$m) &&
  49         git update-ref -d $m &&
  50         ! test -f .git/$m
  51 "
  52 rm -f .git/$m
  53
  54 test_expect_success \
  55         "fail to create $n" \
  56         "touch .git/$n_dir &&
  57          test_must_fail git update-ref $n $A >out 2>err"
  58 rm -f .git/$n_dir out err
  59
  60 test_expect_success \
  61         "create $m (by HEAD)" \
  62         "git update-ref HEAD $A &&
  63          test $A"' = $(cat .git/'"$m"')'
  64 test_expect_success \
  65         "create $m (by HEAD)" \
  66         "git update-ref HEAD $B $A &&
  67          test $B"' = $(cat .git/'"$m"')'
  68 test_expect_success "fail to delete $m (by HEAD) with stale ref" '
  69         test_must_fail git update-ref -d HEAD $A &&
  70         test $B = $(cat .git/$m)
  71 '
  72 test_expect_success "delete $m (by HEAD)" '
  73         git update-ref -d HEAD $B &&
  74         ! test -f .git/$m
  75 '
  76 rm -f .git/$m
  77
  78 test_expect_success 'update-ref does not create reflogs by default' '
  79         test_when_finished "git update-ref -d $outside" &&
  80         git update-ref $outside $A &&
  81         git rev-parse $A >expect &&
  82         git rev-parse $outside >actual &&
  83         test_cmp expect actual &&
  84         test_must_fail git reflog exists $outside
  85 '
  86
  87 test_expect_success 'update-ref creates reflogs with --create-reflog' '
  88         test_when_finished "git update-ref -d $outside" &&
  89         git update-ref --create-reflog $outside $A &&
  90         git rev-parse $A >expect &&
  91         git rev-parse $outside >actual &&
  92         test_cmp expect actual &&
  93         git reflog exists $outside
  94 '
  95
  96 test_expect_success \
  97         "create $m (by HEAD)" \
  98         "git update-ref HEAD $A &&
  99          test $A"' = $(cat .git/'"$m"')'
 100 test_expect_success \
 101         "pack refs" \
 102         "git pack-refs --all"
 103 test_expect_success \
 104         "move $m (by HEAD)" \
 105         "git update-ref HEAD $B $A &&
 106          test $B"' = $(cat .git/'"$m"')'
 107 test_expect_success "delete $m (by HEAD) should remove both packed and loose $m" '
 108         git update-ref -d HEAD $B &&
 109         ! grep "$m" .git/packed-refs &&
 110         ! test -f .git/$m
 111 '
 112 rm -f .git/$m
 113
 114 cp -f .git/HEAD .git/HEAD.orig
 115 test_expect_success "delete symref without dereference" '
 116         git update-ref --no-deref -d HEAD &&
 117         ! test -f .git/HEAD
 118 '
 119 cp -f .git/HEAD.orig .git/HEAD
 120
 121 test_expect_success "delete symref without dereference when the referred ref is packed" '
 122         echo foo >foo.c &&
 123         git add foo.c &&
 124         git commit -m foo &&
 125         git pack-refs --all &&
 126         git update-ref --no-deref -d HEAD &&
 127         ! test -f .git/HEAD
 128 '
 129 cp -f .git/HEAD.orig .git/HEAD
 130 git update-ref -d $m
 131
 132 test_expect_success 'update-ref -d is not confused by self-reference' '
 133         git symbolic-ref refs/heads/self refs/heads/self &&
 134         test_when_finished "rm -f .git/refs/heads/self" &&
 135         test_path_is_file .git/refs/heads/self &&
 136         test_must_fail git update-ref -d refs/heads/self &&
 137         test_path_is_file .git/refs/heads/self
 138 '
 139
 140 test_expect_success 'update-ref --no-deref -d can delete self-reference' '
 141         git symbolic-ref refs/heads/self refs/heads/self &&
 142         test_when_finished "rm -f .git/refs/heads/self" &&
 143         test_path_is_file .git/refs/heads/self &&
 144         git update-ref --no-deref -d refs/heads/self &&
 145         test_path_is_missing .git/refs/heads/self
 146 '
 147
 148 test_expect_success 'update-ref --no-deref -d can delete reference to bad ref' '
 149         >.git/refs/heads/bad &&
 150         test_when_finished "rm -f .git/refs/heads/bad" &&
 151         git symbolic-ref refs/heads/ref-to-bad refs/heads/bad &&
 152         test_when_finished "rm -f .git/refs/heads/ref-to-bad" &&
 153         test_path_is_file .git/refs/heads/ref-to-bad &&
 154         git update-ref --no-deref -d refs/heads/ref-to-bad &&
 155         test_path_is_missing .git/refs/heads/ref-to-bad
 156 '
 157
 158 test_expect_success '(not) create HEAD with old sha1' "
 159         test_must_fail git update-ref HEAD $A $B
 160 "
 161 test_expect_success "(not) prior created .git/$m" "
 162         ! test -f .git/$m
 163 "
 164 rm -f .git/$m
 165
 166 test_expect_success \
 167         "create HEAD" \
 168         "git update-ref HEAD $A"
 169 test_expect_success '(not) change HEAD with wrong SHA1' "
 170         test_must_fail git update-ref HEAD $B $Z
 171 "
 172 test_expect_success "(not) changed .git/$m" "
 173         ! test $B"' = $(cat .git/'"$m"')
 174 '
 175 rm -f .git/$m
 176
 177 rm -f .git/logs/refs/heads/master
 178 test_expect_success \
 179         "create $m (logged by touch)" \
 180         'GIT_COMMITTER_DATE="2005-05-26 23:30" \
 181          git update-ref --create-reflog HEAD '"$A"' -m "Initial Creation" &&
 182          test '"$A"' = $(cat .git/'"$m"')'
 183 test_expect_success \
 184         "update $m (logged by touch)" \
 185         'GIT_COMMITTER_DATE="2005-05-26 23:31" \
 186          git update-ref HEAD'" $B $A "'-m "Switch" &&
 187          test '"$B"' = $(cat .git/'"$m"')'
 188 test_expect_success \
 189         "set $m (logged by touch)" \
 190         'GIT_COMMITTER_DATE="2005-05-26 23:41" \
 191          git update-ref HEAD'" $A &&
 192          test $A"' = $(cat .git/'"$m"')'
 193
 194 cat >expect <<EOF
 195 $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000       Initial Creation
 196 $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150260 +0000       Switch
 197 $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000
 198 EOF
 199 test_expect_success \
 200         "verifying $m's log" \
 201         "test_cmp expect .git/logs/$m"
 202 rm -rf .git/$m .git/logs expect
 203
 204 test_expect_success \
 205         'enable core.logAllRefUpdates' \
 206         'git config core.logAllRefUpdates true &&
 207          test true = $(git config --bool --get core.logAllRefUpdates)'
 208
 209 test_expect_success \
 210         "create $m (logged by config)" \
 211         'GIT_COMMITTER_DATE="2005-05-26 23:32" \
 212          git update-ref HEAD'" $A "'-m "Initial Creation" &&
 213          test '"$A"' = $(cat .git/'"$m"')'
 214 test_expect_success \
 215         "update $m (logged by config)" \
 216         'GIT_COMMITTER_DATE="2005-05-26 23:33" \
 217          git update-ref HEAD'" $B $A "'-m "Switch" &&
 218          test '"$B"' = $(cat .git/'"$m"')'
 219 test_expect_success \
 220         "set $m (logged by config)" \
 221         'GIT_COMMITTER_DATE="2005-05-26 23:43" \
 222          git update-ref HEAD '"$A &&
 223          test $A"' = $(cat .git/'"$m"')'
 224
 225 cat >expect <<EOF
 226 $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 +0000       Initial Creation
 227 $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 +0000       Switch
 228 $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 +0000
 229 EOF
 230 test_expect_success \
 231         "verifying $m's log" \
 232         'test_cmp expect .git/logs/$m'
 233 rm -f .git/$m .git/logs/$m expect
 234
 235 git update-ref $m $D
 236 cat >.git/logs/$m <<EOF
 237 0000000000000000000000000000000000000000 $C $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 -0500
 238 $C $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150350 -0500
 239 $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 -0500
 240 $F $Z $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500
 241 $Z $E $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 -0500
 242 EOF
 243
 244 ed="Thu, 26 May 2005 18:32:00 -0500"
 245 gd="Thu, 26 May 2005 18:33:00 -0500"
 246 ld="Thu, 26 May 2005 18:43:00 -0500"
 247 test_expect_success \
 248         'Query "master@{May 25 2005}" (before history)' \
 249         'rm -f o e &&
 250          git rev-parse --verify "master@{May 25 2005}" >o 2>e &&
 251          test '"$C"' = $(cat o) &&
 252          test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
 253 test_expect_success \
 254         "Query master@{2005-05-25} (before history)" \
 255         'rm -f o e &&
 256          git rev-parse --verify master@{2005-05-25} >o 2>e &&
 257          test '"$C"' = $(cat o) &&
 258          echo test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
 259 test_expect_success \
 260         'Query "master@{May 26 2005 23:31:59}" (1 second before history)' \
 261         'rm -f o e &&
 262          git rev-parse --verify "master@{May 26 2005 23:31:59}" >o 2>e &&
 263          test '"$C"' = $(cat o) &&
 264          test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)"'
 265 test_expect_success \
 266         'Query "master@{May 26 2005 23:32:00}" (exactly history start)' \
 267         'rm -f o e &&
 268          git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e &&
 269          test '"$C"' = $(cat o) &&
 270          test "" = "$(cat e)"'
 271 test_expect_success \
 272         'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' \
 273         'rm -f o e &&
 274          git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e &&
 275          test '"$A"' = $(cat o) &&
 276          test "" = "$(cat e)"'
 277 test_expect_success \
 278         'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' \
 279         'rm -f o e &&
 280          git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e &&
 281          test '"$B"' = $(cat o) &&
 282          test "warning: Log for ref '"$m has gap after $gd"'." = "$(cat e)"'
 283 test_expect_success \
 284         'Query "master@{2005-05-26 23:38:00}" (middle of history)' \
 285         'rm -f o e &&
 286          git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e &&
 287          test '"$Z"' = $(cat o) &&
 288          test "" = "$(cat e)"'
 289 test_expect_success \
 290         'Query "master@{2005-05-26 23:43:00}" (exact end of history)' \
 291         'rm -f o e &&
 292          git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e &&
 293          test '"$E"' = $(cat o) &&
 294          test "" = "$(cat e)"'
 295 test_expect_success \
 296         'Query "master@{2005-05-28}" (past end of history)' \
 297         'rm -f o e &&
 298          git rev-parse --verify "master@{2005-05-28}" >o 2>e &&
 299          test '"$D"' = $(cat o) &&
 300          test "warning: Log for ref '"$m unexpectedly ended on $ld"'." = "$(cat e)"'
 301
 302
 303 rm -f .git/$m .git/logs/$m expect
 304
 305 test_expect_success \
 306     'creating initial files' \
 307     'echo TEST >F &&
 308      git add F &&
 309          GIT_AUTHOR_DATE="2005-05-26 23:30" \
 310          GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a &&
 311          h_TEST=$(git rev-parse --verify HEAD) &&
 312          echo The other day this did not work. >M &&
 313          echo And then Bob told me how to fix it. >>M &&
 314          echo OTHER >F &&
 315          GIT_AUTHOR_DATE="2005-05-26 23:41" \
 316          GIT_COMMITTER_DATE="2005-05-26 23:41" git commit -F M -a &&
 317          h_OTHER=$(git rev-parse --verify HEAD) &&
 318          GIT_AUTHOR_DATE="2005-05-26 23:44" \
 319          GIT_COMMITTER_DATE="2005-05-26 23:44" git commit --amend &&
 320          h_FIXED=$(git rev-parse --verify HEAD) &&
 321          echo Merged initial commit and a later commit. >M &&
 322          echo $h_TEST >.git/MERGE_HEAD &&
 323          GIT_AUTHOR_DATE="2005-05-26 23:45" \
 324          GIT_COMMITTER_DATE="2005-05-26 23:45" git commit -F M &&
 325          h_MERGED=$(git rev-parse --verify HEAD) &&
 326          rm -f M'
 327
 328 cat >expect <<EOF
 329 $Z $h_TEST $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000  commit (initial): add
 330 $h_TEST $h_OTHER $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000    commit: The other day this did not work.
 331 $h_OTHER $h_FIXED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151040 +0000   commit (amend): The other day this did not work.
 332 $h_FIXED $h_MERGED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151100 +0000  commit (merge): Merged initial commit and a later commit.
 333 EOF
 334 test_expect_success \
 335         'git commit logged updates' \
 336         "test_cmp expect .git/logs/$m"
 337 unset h_TEST h_OTHER h_FIXED h_MERGED
 338
 339 test_expect_success \
 340         'git cat-file blob master:F (expect OTHER)' \
 341         'test OTHER = $(git cat-file blob master:F)'
 342 test_expect_success \
 343         'git cat-file blob master@{2005-05-26 23:30}:F (expect TEST)' \
 344         'test TEST = $(git cat-file blob "master@{2005-05-26 23:30}:F")'
 345 test_expect_success \
 346         'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER)' \
 347         'test OTHER = $(git cat-file blob "master@{2005-05-26 23:42}:F")'
 348
 349 a=refs/heads/a
 350 b=refs/heads/b
 351 c=refs/heads/c
 352 E='""'
 353 F='%s\0'
 354 pws='path with space'
 355
 356 test_expect_success 'stdin test setup' '
 357         echo "$pws" >"$pws" &&
 358         git add -- "$pws" &&
 359         git commit -m "$pws"
 360 '
 361
 362 test_expect_success '-z fails without --stdin' '
 363         test_must_fail git update-ref -z $m $m $m 2>err &&
 364         test_i18ngrep "usage: git update-ref" err
 365 '
 366
 367 test_expect_success 'stdin works with no input' '
 368         >stdin &&
 369         git update-ref --stdin <stdin &&
 370         git rev-parse --verify -q $m
 371 '
 372
 373 test_expect_success 'stdin fails on empty line' '
 374         echo "" >stdin &&
 375         test_must_fail git update-ref --stdin <stdin 2>err &&
 376         grep "fatal: empty command in input" err
 377 '
 378
 379 test_expect_success 'stdin fails on only whitespace' '
 380         echo " " >stdin &&
 381         test_must_fail git update-ref --stdin <stdin 2>err &&
 382         grep "fatal: whitespace before command:  " err
 383 '
 384
 385 test_expect_success 'stdin fails on leading whitespace' '
 386         echo " create $a $m" >stdin &&
 387         test_must_fail git update-ref --stdin <stdin 2>err &&
 388         grep "fatal: whitespace before command:  create $a $m" err
 389 '
 390
 391 test_expect_success 'stdin fails on unknown command' '
 392         echo "unknown $a" >stdin &&
 393         test_must_fail git update-ref --stdin <stdin 2>err &&
 394         grep "fatal: unknown command: unknown $a" err
 395 '
 396
 397 test_expect_success 'stdin fails on unbalanced quotes' '
 398         echo "create $a \"master" >stdin &&
 399         test_must_fail git update-ref --stdin <stdin 2>err &&
 400         grep "fatal: badly quoted argument: \\\"master" err
 401 '
 402
 403 test_expect_success 'stdin fails on invalid escape' '
 404         echo "create $a \"ma\zter\"" >stdin &&
 405         test_must_fail git update-ref --stdin <stdin 2>err &&
 406         grep "fatal: badly quoted argument: \\\"ma\\\\zter\\\"" err
 407 '
 408
 409 test_expect_success 'stdin fails on junk after quoted argument' '
 410         echo "create \"$a\"master" >stdin &&
 411         test_must_fail git update-ref --stdin <stdin 2>err &&
 412         grep "fatal: unexpected character after quoted argument: \\\"$a\\\"master" err
 413 '
 414
 415 test_expect_success 'stdin fails create with no ref' '
 416         echo "create " >stdin &&
 417         test_must_fail git update-ref --stdin <stdin 2>err &&
 418         grep "fatal: create: missing <ref>" err
 419 '
 420
 421 test_expect_success 'stdin fails create with no new value' '
 422         echo "create $a" >stdin &&
 423         test_must_fail git update-ref --stdin <stdin 2>err &&
 424         grep "fatal: create $a: missing <newvalue>" err
 425 '
 426
 427 test_expect_success 'stdin fails create with too many arguments' '
 428         echo "create $a $m $m" >stdin &&
 429         test_must_fail git update-ref --stdin <stdin 2>err &&
 430         grep "fatal: create $a: extra input:  $m" err
 431 '
 432
 433 test_expect_success 'stdin fails update with no ref' '
 434         echo "update " >stdin &&
 435         test_must_fail git update-ref --stdin <stdin 2>err &&
 436         grep "fatal: update: missing <ref>" err
 437 '
 438
 439 test_expect_success 'stdin fails update with no new value' '
 440         echo "update $a" >stdin &&
 441         test_must_fail git update-ref --stdin <stdin 2>err &&
 442         grep "fatal: update $a: missing <newvalue>" err
 443 '
 444
 445 test_expect_success 'stdin fails update with too many arguments' '
 446         echo "update $a $m $m $m" >stdin &&
 447         test_must_fail git update-ref --stdin <stdin 2>err &&
 448         grep "fatal: update $a: extra input:  $m" err
 449 '
 450
 451 test_expect_success 'stdin fails delete with no ref' '
 452         echo "delete " >stdin &&
 453         test_must_fail git update-ref --stdin <stdin 2>err &&
 454         grep "fatal: delete: missing <ref>" err
 455 '
 456
 457 test_expect_success 'stdin fails delete with too many arguments' '
 458         echo "delete $a $m $m" >stdin &&
 459         test_must_fail git update-ref --stdin <stdin 2>err &&
 460         grep "fatal: delete $a: extra input:  $m" err
 461 '
 462
 463 test_expect_success 'stdin fails verify with too many arguments' '
 464         echo "verify $a $m $m" >stdin &&
 465         test_must_fail git update-ref --stdin <stdin 2>err &&
 466         grep "fatal: verify $a: extra input:  $m" err
 467 '
 468
 469 test_expect_success 'stdin fails option with unknown name' '
 470         echo "option unknown" >stdin &&
 471         test_must_fail git update-ref --stdin <stdin 2>err &&
 472         grep "fatal: option unknown: unknown" err
 473 '
 474
 475 test_expect_success 'stdin fails with duplicate refs' '
 476         cat >stdin <<-EOF &&
 477         create $a $m
 478         create $b $m
 479         create $a $m
 480         EOF
 481         test_must_fail git update-ref --stdin <stdin 2>err &&
 482         grep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed." err
 483 '
 484
 485 test_expect_success 'stdin create ref works' '
 486         echo "create $a $m" >stdin &&
 487         git update-ref --stdin <stdin &&
 488         git rev-parse $m >expect &&
 489         git rev-parse $a >actual &&
 490         test_cmp expect actual
 491 '
 492
 493 test_expect_success 'stdin does not create reflogs by default' '
 494         test_when_finished "git update-ref -d $outside" &&
 495         echo "create $outside $m" >stdin &&
 496         git update-ref --stdin <stdin &&
 497         git rev-parse $m >expect &&
 498         git rev-parse $outside >actual &&
 499         test_cmp expect actual &&
 500         test_must_fail git reflog exists $outside
 501 '
 502
 503 test_expect_success 'stdin creates reflogs with --create-reflog' '
 504         echo "create $outside $m" >stdin &&
 505         git update-ref --create-reflog --stdin <stdin &&
 506         git rev-parse $m >expect &&
 507         git rev-parse $outside >actual &&
 508         test_cmp expect actual &&
 509         git reflog exists $outside
 510 '
 511
 512 test_expect_success 'stdin succeeds with quoted argument' '
 513         git update-ref -d $a &&
 514         echo "create $a \"$m\"" >stdin &&
 515         git update-ref --stdin <stdin &&
 516         git rev-parse $m >expect &&
 517         git rev-parse $a >actual &&
 518         test_cmp expect actual
 519 '
 520
 521 test_expect_success 'stdin succeeds with escaped character' '
 522         git update-ref -d $a &&
 523         echo "create $a \"ma\\163ter\"" >stdin &&
 524         git update-ref --stdin <stdin &&
 525         git rev-parse $m >expect &&
 526         git rev-parse $a >actual &&
 527         test_cmp expect actual
 528 '
 529
 530 test_expect_success 'stdin update ref creates with zero old value' '
 531         echo "update $b $m $Z" >stdin &&
 532         git update-ref --stdin <stdin &&
 533         git rev-parse $m >expect &&
 534         git rev-parse $b >actual &&
 535         test_cmp expect actual &&
 536         git update-ref -d $b
 537 '
 538
 539 test_expect_success 'stdin update ref creates with empty old value' '
 540         echo "update $b $m $E" >stdin &&
 541         git update-ref --stdin <stdin &&
 542         git rev-parse $m >expect &&
 543         git rev-parse $b >actual &&
 544         test_cmp expect actual
 545 '
 546
 547 test_expect_success 'stdin create ref works with path with space to blob' '
 548         echo "create refs/blobs/pws \"$m:$pws\"" >stdin &&
 549         git update-ref --stdin <stdin &&
 550         git rev-parse "$m:$pws" >expect &&
 551         git rev-parse refs/blobs/pws >actual &&
 552         test_cmp expect actual &&
 553         git update-ref -d refs/blobs/pws
 554 '
 555
 556 test_expect_success 'stdin update ref fails with wrong old value' '
 557         echo "update $c $m $m~1" >stdin &&
 558         test_must_fail git update-ref --stdin <stdin 2>err &&
 559         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 560         test_must_fail git rev-parse --verify -q $c
 561 '
 562
 563 test_expect_success 'stdin update ref fails with bad old value' '
 564         echo "update $c $m does-not-exist" >stdin &&
 565         test_must_fail git update-ref --stdin <stdin 2>err &&
 566         grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
 567         test_must_fail git rev-parse --verify -q $c
 568 '
 569
 570 test_expect_success 'stdin create ref fails with bad new value' '
 571         echo "create $c does-not-exist" >stdin &&
 572         test_must_fail git update-ref --stdin <stdin 2>err &&
 573         grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
 574         test_must_fail git rev-parse --verify -q $c
 575 '
 576
 577 test_expect_success 'stdin create ref fails with zero new value' '
 578         echo "create $c " >stdin &&
 579         test_must_fail git update-ref --stdin <stdin 2>err &&
 580         grep "fatal: create $c: zero <newvalue>" err &&
 581         test_must_fail git rev-parse --verify -q $c
 582 '
 583
 584 test_expect_success 'stdin update ref works with right old value' '
 585         echo "update $b $m~1 $m" >stdin &&
 586         git update-ref --stdin <stdin &&
 587         git rev-parse $m~1 >expect &&
 588         git rev-parse $b >actual &&
 589         test_cmp expect actual
 590 '
 591
 592 test_expect_success 'stdin delete ref fails with wrong old value' '
 593         echo "delete $a $m~1" >stdin &&
 594         test_must_fail git update-ref --stdin <stdin 2>err &&
 595         grep "fatal: cannot lock ref '"'"'$a'"'"'" err &&
 596         git rev-parse $m >expect &&
 597         git rev-parse $a >actual &&
 598         test_cmp expect actual
 599 '
 600
 601 test_expect_success 'stdin delete ref fails with zero old value' '
 602         echo "delete $a " >stdin &&
 603         test_must_fail git update-ref --stdin <stdin 2>err &&
 604         grep "fatal: delete $a: zero <oldvalue>" err &&
 605         git rev-parse $m >expect &&
 606         git rev-parse $a >actual &&
 607         test_cmp expect actual
 608 '
 609
 610 test_expect_success 'stdin update symref works option no-deref' '
 611         git symbolic-ref TESTSYMREF $b &&
 612         cat >stdin <<-EOF &&
 613         option no-deref
 614         update TESTSYMREF $a $b
 615         EOF
 616         git update-ref --stdin <stdin &&
 617         git rev-parse TESTSYMREF >expect &&
 618         git rev-parse $a >actual &&
 619         test_cmp expect actual &&
 620         git rev-parse $m~1 >expect &&
 621         git rev-parse $b >actual &&
 622         test_cmp expect actual
 623 '
 624
 625 test_expect_success 'stdin delete symref works option no-deref' '
 626         git symbolic-ref TESTSYMREF $b &&
 627         cat >stdin <<-EOF &&
 628         option no-deref
 629         delete TESTSYMREF $b
 630         EOF
 631         git update-ref --stdin <stdin &&
 632         test_must_fail git rev-parse --verify -q TESTSYMREF &&
 633         git rev-parse $m~1 >expect &&
 634         git rev-parse $b >actual &&
 635         test_cmp expect actual
 636 '
 637
 638 test_expect_success 'stdin delete ref works with right old value' '
 639         echo "delete $b $m~1" >stdin &&
 640         git update-ref --stdin <stdin &&
 641         test_must_fail git rev-parse --verify -q $b
 642 '
 643
 644 test_expect_success 'stdin update/create/verify combination works' '
 645         cat >stdin <<-EOF &&
 646         update $a $m
 647         create $b $m
 648         verify $c
 649         EOF
 650         git update-ref --stdin <stdin &&
 651         git rev-parse $m >expect &&
 652         git rev-parse $a >actual &&
 653         test_cmp expect actual &&
 654         git rev-parse $b >actual &&
 655         test_cmp expect actual &&
 656         test_must_fail git rev-parse --verify -q $c
 657 '
 658
 659 test_expect_success 'stdin verify succeeds for correct value' '
 660         git rev-parse $m >expect &&
 661         echo "verify $m $m" >stdin &&
 662         git update-ref --stdin <stdin &&
 663         git rev-parse $m >actual &&
 664         test_cmp expect actual
 665 '
 666
 667 test_expect_success 'stdin verify succeeds for missing reference' '
 668         echo "verify refs/heads/missing $Z" >stdin &&
 669         git update-ref --stdin <stdin &&
 670         test_must_fail git rev-parse --verify -q refs/heads/missing
 671 '
 672
 673 test_expect_success 'stdin verify treats no value as missing' '
 674         echo "verify refs/heads/missing" >stdin &&
 675         git update-ref --stdin <stdin &&
 676         test_must_fail git rev-parse --verify -q refs/heads/missing
 677 '
 678
 679 test_expect_success 'stdin verify fails for wrong value' '
 680         git rev-parse $m >expect &&
 681         echo "verify $m $m~1" >stdin &&
 682         test_must_fail git update-ref --stdin <stdin &&
 683         git rev-parse $m >actual &&
 684         test_cmp expect actual
 685 '
 686
 687 test_expect_success 'stdin verify fails for mistaken null value' '
 688         git rev-parse $m >expect &&
 689         echo "verify $m $Z" >stdin &&
 690         test_must_fail git update-ref --stdin <stdin &&
 691         git rev-parse $m >actual &&
 692         test_cmp expect actual
 693 '
 694
 695 test_expect_success 'stdin verify fails for mistaken empty value' '
 696         M=$(git rev-parse $m) &&
 697         test_when_finished "git update-ref $m $M" &&
 698         git rev-parse $m >expect &&
 699         echo "verify $m" >stdin &&
 700         test_must_fail git update-ref --stdin <stdin &&
 701         git rev-parse $m >actual &&
 702         test_cmp expect actual
 703 '
 704
 705 test_expect_success 'stdin update refs works with identity updates' '
 706         cat >stdin <<-EOF &&
 707         update $a $m $m
 708         update $b $m $m
 709         update $c $Z $E
 710         EOF
 711         git update-ref --stdin <stdin &&
 712         git rev-parse $m >expect &&
 713         git rev-parse $a >actual &&
 714         test_cmp expect actual &&
 715         git rev-parse $b >actual &&
 716         test_cmp expect actual &&
 717         test_must_fail git rev-parse --verify -q $c
 718 '
 719
 720 test_expect_success 'stdin update refs fails with wrong old value' '
 721         git update-ref $c $m &&
 722         cat >stdin <<-EOF &&
 723         update $a $m $m
 724         update $b $m $m
 725         update $c  ''
 726         EOF
 727         test_must_fail git update-ref --stdin <stdin 2>err &&
 728         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 729         git rev-parse $m >expect &&
 730         git rev-parse $a >actual &&
 731         test_cmp expect actual &&
 732         git rev-parse $b >actual &&
 733         test_cmp expect actual &&
 734         git rev-parse $c >actual &&
 735         test_cmp expect actual
 736 '
 737
 738 test_expect_success 'stdin delete refs works with packed and loose refs' '
 739         git pack-refs --all &&
 740         git update-ref $c $m~1 &&
 741         cat >stdin <<-EOF &&
 742         delete $a $m
 743         update $b $Z $m
 744         update $c $E $m~1
 745         EOF
 746         git update-ref --stdin <stdin &&
 747         test_must_fail git rev-parse --verify -q $a &&
 748         test_must_fail git rev-parse --verify -q $b &&
 749         test_must_fail git rev-parse --verify -q $c
 750 '
 751
 752 test_expect_success 'stdin -z works on empty input' '
 753         >stdin &&
 754         git update-ref -z --stdin <stdin &&
 755         git rev-parse --verify -q $m
 756 '
 757
 758 test_expect_success 'stdin -z fails on empty line' '
 759         echo "" >stdin &&
 760         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 761         grep "fatal: whitespace before command: " err
 762 '
 763
 764 test_expect_success 'stdin -z fails on empty command' '
 765         printf $F "" >stdin &&
 766         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 767         grep "fatal: empty command in input" err
 768 '
 769
 770 test_expect_success 'stdin -z fails on only whitespace' '
 771         printf $F " " >stdin &&
 772         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 773         grep "fatal: whitespace before command:  " err
 774 '
 775
 776 test_expect_success 'stdin -z fails on leading whitespace' '
 777         printf $F " create $a" "$m" >stdin &&
 778         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 779         grep "fatal: whitespace before command:  create $a" err
 780 '
 781
 782 test_expect_success 'stdin -z fails on unknown command' '
 783         printf $F "unknown $a" >stdin &&
 784         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 785         grep "fatal: unknown command: unknown $a" err
 786 '
 787
 788 test_expect_success 'stdin -z fails create with no ref' '
 789         printf $F "create " >stdin &&
 790         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 791         grep "fatal: create: missing <ref>" err
 792 '
 793
 794 test_expect_success 'stdin -z fails create with no new value' '
 795         printf $F "create $a" >stdin &&
 796         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 797         grep "fatal: create $a: unexpected end of input when reading <newvalue>" err
 798 '
 799
 800 test_expect_success 'stdin -z fails create with too many arguments' '
 801         printf $F "create $a" "$m" "$m" >stdin &&
 802         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 803         grep "fatal: unknown command: $m" err
 804 '
 805
 806 test_expect_success 'stdin -z fails update with no ref' '
 807         printf $F "update " >stdin &&
 808         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 809         grep "fatal: update: missing <ref>" err
 810 '
 811
 812 test_expect_success 'stdin -z fails update with too few args' '
 813         printf $F "update $a" "$m" >stdin &&
 814         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 815         grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
 816 '
 817
 818 test_expect_success 'stdin -z emits warning with empty new value' '
 819         git update-ref $a $m &&
 820         printf $F "update $a" "" "" >stdin &&
 821         git update-ref -z --stdin <stdin 2>err &&
 822         grep "warning: update $a: missing <newvalue>, treating as zero" err &&
 823         test_must_fail git rev-parse --verify -q $a
 824 '
 825
 826 test_expect_success 'stdin -z fails update with no new value' '
 827         printf $F "update $a" >stdin &&
 828         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 829         grep "fatal: update $a: unexpected end of input when reading <newvalue>" err
 830 '
 831
 832 test_expect_success 'stdin -z fails update with no old value' '
 833         printf $F "update $a" "$m" >stdin &&
 834         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 835         grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
 836 '
 837
 838 test_expect_success 'stdin -z fails update with too many arguments' '
 839         printf $F "update $a" "$m" "$m" "$m" >stdin &&
 840         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 841         grep "fatal: unknown command: $m" err
 842 '
 843
 844 test_expect_success 'stdin -z fails delete with no ref' '
 845         printf $F "delete " >stdin &&
 846         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 847         grep "fatal: delete: missing <ref>" err
 848 '
 849
 850 test_expect_success 'stdin -z fails delete with no old value' '
 851         printf $F "delete $a" >stdin &&
 852         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 853         grep "fatal: delete $a: unexpected end of input when reading <oldvalue>" err
 854 '
 855
 856 test_expect_success 'stdin -z fails delete with too many arguments' '
 857         printf $F "delete $a" "$m" "$m" >stdin &&
 858         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 859         grep "fatal: unknown command: $m" err
 860 '
 861
 862 test_expect_success 'stdin -z fails verify with too many arguments' '
 863         printf $F "verify $a" "$m" "$m" >stdin &&
 864         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 865         grep "fatal: unknown command: $m" err
 866 '
 867
 868 test_expect_success 'stdin -z fails verify with no old value' '
 869         printf $F "verify $a" >stdin &&
 870         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 871         grep "fatal: verify $a: unexpected end of input when reading <oldvalue>" err
 872 '
 873
 874 test_expect_success 'stdin -z fails option with unknown name' '
 875         printf $F "option unknown" >stdin &&
 876         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 877         grep "fatal: option unknown: unknown" err
 878 '
 879
 880 test_expect_success 'stdin -z fails with duplicate refs' '
 881         printf $F "create $a" "$m" "create $b" "$m" "create $a" "$m" >stdin &&
 882         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 883         grep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed." err
 884 '
 885
 886 test_expect_success 'stdin -z create ref works' '
 887         printf $F "create $a" "$m" >stdin &&
 888         git update-ref -z --stdin <stdin &&
 889         git rev-parse $m >expect &&
 890         git rev-parse $a >actual &&
 891         test_cmp expect actual
 892 '
 893
 894 test_expect_success 'stdin -z update ref creates with zero old value' '
 895         printf $F "update $b" "$m" "$Z" >stdin &&
 896         git update-ref -z --stdin <stdin &&
 897         git rev-parse $m >expect &&
 898         git rev-parse $b >actual &&
 899         test_cmp expect actual &&
 900         git update-ref -d $b
 901 '
 902
 903 test_expect_success 'stdin -z update ref creates with empty old value' '
 904         printf $F "update $b" "$m" "" >stdin &&
 905         git update-ref -z --stdin <stdin &&
 906         git rev-parse $m >expect &&
 907         git rev-parse $b >actual &&
 908         test_cmp expect actual
 909 '
 910
 911 test_expect_success 'stdin -z create ref works with path with space to blob' '
 912         printf $F "create refs/blobs/pws" "$m:$pws" >stdin &&
 913         git update-ref -z --stdin <stdin &&
 914         git rev-parse "$m:$pws" >expect &&
 915         git rev-parse refs/blobs/pws >actual &&
 916         test_cmp expect actual &&
 917         git update-ref -d refs/blobs/pws
 918 '
 919
 920 test_expect_success 'stdin -z update ref fails with wrong old value' '
 921         printf $F "update $c" "$m" "$m~1" >stdin &&
 922         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 923         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 924         test_must_fail git rev-parse --verify -q $c
 925 '
 926
 927 test_expect_success 'stdin -z update ref fails with bad old value' '
 928         printf $F "update $c" "$m" "does-not-exist" >stdin &&
 929         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 930         grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
 931         test_must_fail git rev-parse --verify -q $c
 932 '
 933
 934 test_expect_success 'stdin -z create ref fails when ref exists' '
 935         git update-ref $c $m &&
 936         git rev-parse "$c" >expect &&
 937         printf $F "create $c" "$m~1" >stdin &&
 938         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 939         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 940         git rev-parse "$c" >actual &&
 941         test_cmp expect actual
 942 '
 943
 944 test_expect_success 'stdin -z create ref fails with bad new value' '
 945         git update-ref -d "$c" &&
 946         printf $F "create $c" "does-not-exist" >stdin &&
 947         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 948         grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
 949         test_must_fail git rev-parse --verify -q $c
 950 '
 951
 952 test_expect_success 'stdin -z create ref fails with empty new value' '
 953         printf $F "create $c" "" >stdin &&
 954         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 955         grep "fatal: create $c: missing <newvalue>" err &&
 956         test_must_fail git rev-parse --verify -q $c
 957 '
 958
 959 test_expect_success 'stdin -z update ref works with right old value' '
 960         printf $F "update $b" "$m~1" "$m" >stdin &&
 961         git update-ref -z --stdin <stdin &&
 962         git rev-parse $m~1 >expect &&
 963         git rev-parse $b >actual &&
 964         test_cmp expect actual
 965 '
 966
 967 test_expect_success 'stdin -z delete ref fails with wrong old value' '
 968         printf $F "delete $a" "$m~1" >stdin &&
 969         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 970         grep "fatal: cannot lock ref '"'"'$a'"'"'" err &&
 971         git rev-parse $m >expect &&
 972         git rev-parse $a >actual &&
 973         test_cmp expect actual
 974 '
 975
 976 test_expect_success 'stdin -z delete ref fails with zero old value' '
 977         printf $F "delete $a" "$Z" >stdin &&
 978         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 979         grep "fatal: delete $a: zero <oldvalue>" err &&
 980         git rev-parse $m >expect &&
 981         git rev-parse $a >actual &&
 982         test_cmp expect actual
 983 '
 984
 985 test_expect_success 'stdin -z update symref works option no-deref' '
 986         git symbolic-ref TESTSYMREF $b &&
 987         printf $F "option no-deref" "update TESTSYMREF" "$a" "$b" >stdin &&
 988         git update-ref -z --stdin <stdin &&
 989         git rev-parse TESTSYMREF >expect &&
 990         git rev-parse $a >actual &&
 991         test_cmp expect actual &&
 992         git rev-parse $m~1 >expect &&
 993         git rev-parse $b >actual &&
 994         test_cmp expect actual
 995 '
 996
 997 test_expect_success 'stdin -z delete symref works option no-deref' '
 998         git symbolic-ref TESTSYMREF $b &&
 999         printf $F "option no-deref" "delete TESTSYMREF" "$b" >stdin &&
1000         git update-ref -z --stdin <stdin &&
1001         test_must_fail git rev-parse --verify -q TESTSYMREF &&
1002         git rev-parse $m~1 >expect &&
1003         git rev-parse $b >actual &&
1004         test_cmp expect actual
1005 '
1006
1007 test_expect_success 'stdin -z delete ref works with right old value' '
1008         printf $F "delete $b" "$m~1" >stdin &&
1009         git update-ref -z --stdin <stdin &&
1010         test_must_fail git rev-parse --verify -q $b
1011 '
1012
1013 test_expect_success 'stdin -z update/create/verify combination works' '
1014         printf $F "update $a" "$m" "" "create $b" "$m" "verify $c" "" >stdin &&
1015         git update-ref -z --stdin <stdin &&
1016         git rev-parse $m >expect &&
1017         git rev-parse $a >actual &&
1018         test_cmp expect actual &&
1019         git rev-parse $b >actual &&
1020         test_cmp expect actual &&
1021         test_must_fail git rev-parse --verify -q $c
1022 '
1023
1024 test_expect_success 'stdin -z verify succeeds for correct value' '
1025         git rev-parse $m >expect &&
1026         printf $F "verify $m" "$m" >stdin &&
1027         git update-ref -z --stdin <stdin &&
1028         git rev-parse $m >actual &&
1029         test_cmp expect actual
1030 '
1031
1032 test_expect_success 'stdin -z verify succeeds for missing reference' '
1033         printf $F "verify refs/heads/missing" "$Z" >stdin &&
1034         git update-ref -z --stdin <stdin &&
1035         test_must_fail git rev-parse --verify -q refs/heads/missing
1036 '
1037
1038 test_expect_success 'stdin -z verify treats no value as missing' '
1039         printf $F "verify refs/heads/missing" "" >stdin &&
1040         git update-ref -z --stdin <stdin &&
1041         test_must_fail git rev-parse --verify -q refs/heads/missing
1042 '
1043
1044 test_expect_success 'stdin -z verify fails for wrong value' '
1045         git rev-parse $m >expect &&
1046         printf $F "verify $m" "$m~1" >stdin &&
1047         test_must_fail git update-ref -z --stdin <stdin &&
1048         git rev-parse $m >actual &&
1049         test_cmp expect actual
1050 '
1051
1052 test_expect_success 'stdin -z verify fails for mistaken null value' '
1053         git rev-parse $m >expect &&
1054         printf $F "verify $m" "$Z" >stdin &&
1055         test_must_fail git update-ref -z --stdin <stdin &&
1056         git rev-parse $m >actual &&
1057         test_cmp expect actual
1058 '
1059
1060 test_expect_success 'stdin -z verify fails for mistaken empty value' '
1061         M=$(git rev-parse $m) &&
1062         test_when_finished "git update-ref $m $M" &&
1063         git rev-parse $m >expect &&
1064         printf $F "verify $m" "" >stdin &&
1065         test_must_fail git update-ref -z --stdin <stdin &&
1066         git rev-parse $m >actual &&
1067         test_cmp expect actual
1068 '
1069
1070 test_expect_success 'stdin -z update refs works with identity updates' '
1071         printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$Z" "" >stdin &&
1072         git update-ref -z --stdin <stdin &&
1073         git rev-parse $m >expect &&
1074         git rev-parse $a >actual &&
1075         test_cmp expect actual &&
1076         git rev-parse $b >actual &&
1077         test_cmp expect actual &&
1078         test_must_fail git rev-parse --verify -q $c
1079 '
1080
1081 test_expect_success 'stdin -z update refs fails with wrong old value' '
1082         git update-ref $c $m &&
1083         printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$m" "$Z" >stdin &&
1084         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1085         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1086         git rev-parse $m >expect &&
1087         git rev-parse $a >actual &&
1088         test_cmp expect actual &&
1089         git rev-parse $b >actual &&
1090         test_cmp expect actual &&
1091         git rev-parse $c >actual &&
1092         test_cmp expect actual
1093 '
1094
1095 test_expect_success 'stdin -z delete refs works with packed and loose refs' '
1096         git pack-refs --all &&
1097         git update-ref $c $m~1 &&
1098         printf $F "delete $a" "$m" "update $b" "$Z" "$m" "update $c" "" "$m~1" >stdin &&
1099         git update-ref -z --stdin <stdin &&
1100         test_must_fail git rev-parse --verify -q $a &&
1101         test_must_fail git rev-parse --verify -q $b &&
1102         test_must_fail git rev-parse --verify -q $c
1103 '
1104
1105 test_expect_success 'fails with duplicate HEAD update' '
1106         git branch target1 $A &&
1107         git checkout target1 &&
1108         cat >stdin <<-EOF &&
1109         update refs/heads/target1 $C
1110         option no-deref
1111         update HEAD $B
1112         EOF
1113         test_must_fail git update-ref --stdin <stdin 2>err &&
1114         grep "fatal: multiple updates for '\''HEAD'\'' (including one via its referent .refs/heads/target1.) are not allowed" err &&
1115         echo "refs/heads/target1" >expect &&
1116         git symbolic-ref HEAD >actual &&
1117         test_cmp expect actual &&
1118         echo "$A" >expect &&
1119         git rev-parse refs/heads/target1 >actual &&
1120         test_cmp expect actual
1121 '
1122
1123 test_expect_success 'fails with duplicate ref update via symref' '
1124         git branch target2 $A &&
1125         git symbolic-ref refs/heads/symref2 refs/heads/target2 &&
1126         cat >stdin <<-EOF &&
1127         update refs/heads/target2 $C
1128         update refs/heads/symref2 $B
1129         EOF
1130         test_must_fail git update-ref --stdin <stdin 2>err &&
1131         grep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err &&
1132         echo "refs/heads/target2" >expect &&
1133         git symbolic-ref refs/heads/symref2 >actual &&
1134         test_cmp expect actual &&
1135         echo "$A" >expect &&
1136         git rev-parse refs/heads/target2 >actual &&
1137         test_cmp expect actual
1138 '
1139
1140 run_with_limited_open_files () {
1141         (ulimit -n 32 && "$@")
1142 }
1143
1144 test_lazy_prereq ULIMIT_FILE_DESCRIPTORS 'run_with_limited_open_files true'
1145
1146 test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction creating branches does not burst open file limit' '
1147 (
1148         for i in $(test_seq 33)
1149         do
1150                 echo "create refs/heads/$i HEAD"
1151         done >large_input &&
1152         run_with_limited_open_files git update-ref --stdin <large_input &&
1153         git rev-parse --verify -q refs/heads/33
1154 )
1155 '
1156
1157 test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction deleting branches does not burst open file limit' '
1158 (
1159         for i in $(test_seq 33)
1160         do
1161                 echo "delete refs/heads/$i HEAD"
1162         done >large_input &&
1163         run_with_limited_open_files git update-ref --stdin <large_input &&
1164         test_must_fail git rev-parse --verify -q refs/heads/33
1165 )
1166 '
1167
1168 test_expect_success 'handle per-worktree refs in refs/bisect' '
1169         git commit --allow-empty -m "initial commit" &&
1170         git worktree add -b branch worktree &&
1171         (
1172                 cd worktree &&
1173                 git commit --allow-empty -m "test commit"  &&
1174                 git for-each-ref >for-each-ref.out &&
1175                 ! grep refs/bisect for-each-ref.out &&
1176                 git update-ref refs/bisect/something HEAD &&
1177                 git rev-parse refs/bisect/something >../worktree-head &&
1178                 git for-each-ref | grep refs/bisect/something
1179         ) &&
1180         test_path_is_missing .git/refs/bisect &&
1181         test_must_fail git rev-parse refs/bisect/something &&
1182         git update-ref refs/bisect/something HEAD &&
1183         git rev-parse refs/bisect/something >main-head &&
1184         ! test_cmp main-head worktree-head
1185 '
1186
1187 test_done