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