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=$_z40
  10
  11 m=refs/heads/master
  12 n_dir=refs/heads/gu
  13 n=$n_dir/fixes
  14 outside=refs/foo
  15 bare=bare-repo
  16
  17 create_test_commits ()
  18 {
  19         prfx="$1"
  20         for name in A B C D E F
  21         do
  22                 test_tick &&
  23                 T=$(git write-tree) &&
  24                 sha1=$(echo $name | git commit-tree $T) &&
  25                 eval $prfx$name=$sha1
  26         done
  27 }
  28
  29 test_expect_success setup '
  30         create_test_commits "" &&
  31         mkdir $bare &&
  32         cd $bare &&
  33         git init --bare &&
  34         create_test_commits "bare" &&
  35         cd -
  36 '
  37
  38 test_expect_success \
  39         "create $m" \
  40         "git update-ref $m $A &&
  41          test $A"' = $(cat .git/'"$m"')'
  42 test_expect_success \
  43         "create $m with oldvalue verification" \
  44         "git update-ref $m $B $A &&
  45          test $B"' = $(cat .git/'"$m"')'
  46 test_expect_success "fail to delete $m with stale ref" '
  47         test_must_fail git update-ref -d $m $A &&
  48         test $B = "$(cat .git/$m)"
  49 '
  50 test_expect_success "delete $m" '
  51         test_when_finished "rm -f .git/$m" &&
  52         git update-ref -d $m $B &&
  53         test_path_is_missing .git/$m
  54 '
  55
  56 test_expect_success "delete $m without oldvalue verification" '
  57         test_when_finished "rm -f .git/$m" &&
  58         git update-ref $m $A &&
  59         test $A = $(cat .git/$m) &&
  60         git update-ref -d $m &&
  61         test_path_is_missing .git/$m
  62 '
  63
  64 test_expect_success "fail to create $n" '
  65         test_when_finished "rm -f .git/$n_dir" &&
  66         touch .git/$n_dir &&
  67         test_must_fail git update-ref $n $A
  68 '
  69
  70 test_expect_success \
  71         "create $m (by HEAD)" \
  72         "git update-ref HEAD $A &&
  73          test $A"' = $(cat .git/'"$m"')'
  74 test_expect_success \
  75         "create $m (by HEAD) with oldvalue verification" \
  76         "git update-ref HEAD $B $A &&
  77          test $B"' = $(cat .git/'"$m"')'
  78 test_expect_success "fail to delete $m (by HEAD) with stale ref" '
  79         test_must_fail git update-ref -d HEAD $A &&
  80         test $B = $(cat .git/$m)
  81 '
  82 test_expect_success "delete $m (by HEAD)" '
  83         test_when_finished "rm -f .git/$m" &&
  84         git update-ref -d HEAD $B &&
  85         test_path_is_missing .git/$m
  86 '
  87
  88 test_expect_success "deleting current branch adds message to HEAD's log" '
  89         test_when_finished "rm -f .git/$m" &&
  90         git update-ref $m $A &&
  91         git symbolic-ref HEAD $m &&
  92         git update-ref -m delete-$m -d $m &&
  93         test_path_is_missing .git/$m &&
  94         grep "delete-$m$" .git/logs/HEAD
  95 '
  96
  97 test_expect_success "deleting by HEAD adds message to HEAD's log" '
  98         test_when_finished "rm -f .git/$m" &&
  99         git update-ref $m $A &&
 100         git symbolic-ref HEAD $m &&
 101         git update-ref -m delete-by-head -d HEAD &&
 102         test_path_is_missing .git/$m &&
 103         grep "delete-by-head$" .git/logs/HEAD
 104 '
 105
 106 test_expect_success 'update-ref does not create reflogs by default' '
 107         test_when_finished "git update-ref -d $outside" &&
 108         git update-ref $outside $A &&
 109         git rev-parse $A >expect &&
 110         git rev-parse $outside >actual &&
 111         test_cmp expect actual &&
 112         test_must_fail git reflog exists $outside
 113 '
 114
 115 test_expect_success 'update-ref creates reflogs with --create-reflog' '
 116         test_when_finished "git update-ref -d $outside" &&
 117         git update-ref --create-reflog $outside $A &&
 118         git rev-parse $A >expect &&
 119         git rev-parse $outside >actual &&
 120         test_cmp expect actual &&
 121         git reflog exists $outside
 122 '
 123
 124 test_expect_success 'creates no reflog in bare repository' '
 125         git -C $bare update-ref $m $bareA &&
 126         git -C $bare rev-parse $bareA >expect &&
 127         git -C $bare rev-parse $m >actual &&
 128         test_cmp expect actual &&
 129         test_must_fail git -C $bare reflog exists $m
 130 '
 131
 132 test_expect_success 'core.logAllRefUpdates=true creates reflog in bare repository' '
 133         test_when_finished "git -C $bare config --unset core.logAllRefUpdates && \
 134                 rm $bare/logs/$m" &&
 135         git -C $bare config core.logAllRefUpdates true &&
 136         git -C $bare update-ref $m $bareB &&
 137         git -C $bare rev-parse $bareB >expect &&
 138         git -C $bare rev-parse $m >actual &&
 139         test_cmp expect actual &&
 140         git -C $bare reflog exists $m
 141 '
 142
 143 test_expect_success 'core.logAllRefUpdates=true does not create reflog by default' '
 144         test_config core.logAllRefUpdates true &&
 145         test_when_finished "git update-ref -d $outside" &&
 146         git update-ref $outside $A &&
 147         git rev-parse $A >expect &&
 148         git rev-parse $outside >actual &&
 149         test_cmp expect actual &&
 150         test_must_fail git reflog exists $outside
 151 '
 152
 153 test_expect_success 'core.logAllRefUpdates=always creates reflog by default' '
 154         test_config core.logAllRefUpdates always &&
 155         test_when_finished "git update-ref -d $outside" &&
 156         git update-ref $outside $A &&
 157         git rev-parse $A >expect &&
 158         git rev-parse $outside >actual &&
 159         test_cmp expect actual &&
 160         git reflog exists $outside
 161 '
 162
 163 test_expect_success 'core.logAllRefUpdates=always creates no reflog for ORIG_HEAD' '
 164         test_config core.logAllRefUpdates always &&
 165         git update-ref ORIG_HEAD $A &&
 166         test_must_fail git reflog exists ORIG_HEAD
 167 '
 168
 169 test_expect_success '--no-create-reflog overrides core.logAllRefUpdates=always' '
 170         test_config core.logAllRefUpdates true &&
 171         test_when_finished "git update-ref -d $outside" &&
 172         git update-ref --no-create-reflog $outside $A &&
 173         git rev-parse $A >expect &&
 174         git rev-parse $outside >actual &&
 175         test_cmp expect actual &&
 176         test_must_fail git reflog exists $outside
 177 '
 178
 179 test_expect_success \
 180         "create $m (by HEAD)" \
 181         "git update-ref HEAD $A &&
 182          test $A"' = $(cat .git/'"$m"')'
 183 test_expect_success \
 184         "pack refs" \
 185         "git pack-refs --all"
 186 test_expect_success \
 187         "move $m (by HEAD)" \
 188         "git update-ref HEAD $B $A &&
 189          test $B"' = $(cat .git/'"$m"')'
 190 test_expect_success "delete $m (by HEAD) should remove both packed and loose $m" '
 191         test_when_finished "rm -f .git/$m" &&
 192         git update-ref -d HEAD $B &&
 193         ! grep "$m" .git/packed-refs &&
 194         test_path_is_missing .git/$m
 195 '
 196
 197 cp -f .git/HEAD .git/HEAD.orig
 198 test_expect_success "delete symref without dereference" '
 199         test_when_finished "cp -f .git/HEAD.orig .git/HEAD" &&
 200         git update-ref --no-deref -d HEAD &&
 201         test_path_is_missing .git/HEAD
 202 '
 203
 204 test_expect_success "delete symref without dereference when the referred ref is packed" '
 205         test_when_finished "cp -f .git/HEAD.orig .git/HEAD" &&
 206         echo foo >foo.c &&
 207         git add foo.c &&
 208         git commit -m foo &&
 209         git pack-refs --all &&
 210         git update-ref --no-deref -d HEAD &&
 211         test_path_is_missing .git/HEAD
 212 '
 213
 214 git update-ref -d $m
 215
 216 test_expect_success 'update-ref -d is not confused by self-reference' '
 217         git symbolic-ref refs/heads/self refs/heads/self &&
 218         test_when_finished "rm -f .git/refs/heads/self" &&
 219         test_path_is_file .git/refs/heads/self &&
 220         test_must_fail git update-ref -d refs/heads/self &&
 221         test_path_is_file .git/refs/heads/self
 222 '
 223
 224 test_expect_success 'update-ref --no-deref -d can delete self-reference' '
 225         git symbolic-ref refs/heads/self refs/heads/self &&
 226         test_when_finished "rm -f .git/refs/heads/self" &&
 227         test_path_is_file .git/refs/heads/self &&
 228         git update-ref --no-deref -d refs/heads/self &&
 229         test_path_is_missing .git/refs/heads/self
 230 '
 231
 232 test_expect_success 'update-ref --no-deref -d can delete reference to bad ref' '
 233         >.git/refs/heads/bad &&
 234         test_when_finished "rm -f .git/refs/heads/bad" &&
 235         git symbolic-ref refs/heads/ref-to-bad refs/heads/bad &&
 236         test_when_finished "rm -f .git/refs/heads/ref-to-bad" &&
 237         test_path_is_file .git/refs/heads/ref-to-bad &&
 238         git update-ref --no-deref -d refs/heads/ref-to-bad &&
 239         test_path_is_missing .git/refs/heads/ref-to-bad
 240 '
 241
 242 test_expect_success '(not) create HEAD with old sha1' "
 243         test_must_fail git update-ref HEAD $A $B
 244 "
 245 test_expect_success "(not) prior created .git/$m" '
 246         test_when_finished "rm -f .git/$m" &&
 247         test_path_is_missing .git/$m
 248 '
 249
 250 test_expect_success \
 251         "create HEAD" \
 252         "git update-ref HEAD $A"
 253 test_expect_success '(not) change HEAD with wrong SHA1' "
 254         test_must_fail git update-ref HEAD $B $Z
 255 "
 256 test_expect_success "(not) changed .git/$m" '
 257         test_when_finished "rm -f .git/$m" &&
 258         ! test $B = $(cat .git/$m)
 259 '
 260
 261 rm -f .git/logs/refs/heads/master
 262 test_expect_success \
 263         "create $m (logged by touch)" \
 264         'test_config core.logAllRefUpdates false &&
 265          GIT_COMMITTER_DATE="2005-05-26 23:30" \
 266          git update-ref --create-reflog HEAD '"$A"' -m "Initial Creation" &&
 267          test '"$A"' = $(cat .git/'"$m"')'
 268 test_expect_success \
 269         "update $m (logged by touch)" \
 270         'test_config core.logAllRefUpdates false &&
 271          GIT_COMMITTER_DATE="2005-05-26 23:31" \
 272          git update-ref HEAD'" $B $A "'-m "Switch" &&
 273          test '"$B"' = $(cat .git/'"$m"')'
 274 test_expect_success \
 275         "set $m (logged by touch)" \
 276         'test_config core.logAllRefUpdates false &&
 277          GIT_COMMITTER_DATE="2005-05-26 23:41" \
 278          git update-ref HEAD'" $A &&
 279          test $A"' = $(cat .git/'"$m"')'
 280
 281 test_expect_success "empty directory removal" '
 282         git branch d1/d2/r1 HEAD &&
 283         git branch d1/r2 HEAD &&
 284         test_path_is_file .git/refs/heads/d1/d2/r1 &&
 285         test_path_is_file .git/logs/refs/heads/d1/d2/r1 &&
 286         git branch -d d1/d2/r1 &&
 287         test_path_is_missing .git/refs/heads/d1/d2 &&
 288         test_path_is_missing .git/logs/refs/heads/d1/d2 &&
 289         test_path_is_file .git/refs/heads/d1/r2 &&
 290         test_path_is_file .git/logs/refs/heads/d1/r2
 291 '
 292
 293 test_expect_success "symref empty directory removal" '
 294         git branch e1/e2/r1 HEAD &&
 295         git branch e1/r2 HEAD &&
 296         git checkout e1/e2/r1 &&
 297         test_when_finished "git checkout master" &&
 298         test_path_is_file .git/refs/heads/e1/e2/r1 &&
 299         test_path_is_file .git/logs/refs/heads/e1/e2/r1 &&
 300         git update-ref -d HEAD &&
 301         test_path_is_missing .git/refs/heads/e1/e2 &&
 302         test_path_is_missing .git/logs/refs/heads/e1/e2 &&
 303         test_path_is_file .git/refs/heads/e1/r2 &&
 304         test_path_is_file .git/logs/refs/heads/e1/r2 &&
 305         test_path_is_file .git/logs/HEAD
 306 '
 307
 308 cat >expect <<EOF
 309 $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000       Initial Creation
 310 $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150260 +0000       Switch
 311 $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000
 312 EOF
 313 test_expect_success "verifying $m's log (logged by touch)" '
 314         test_when_finished "rm -rf .git/$m .git/logs expect" &&
 315         test_cmp expect .git/logs/$m
 316 '
 317
 318 test_expect_success \
 319         "create $m (logged by config)" \
 320         'test_config core.logAllRefUpdates true &&
 321          GIT_COMMITTER_DATE="2005-05-26 23:32" \
 322          git update-ref HEAD'" $A "'-m "Initial Creation" &&
 323          test '"$A"' = $(cat .git/'"$m"')'
 324 test_expect_success \
 325         "update $m (logged by config)" \
 326         'test_config core.logAllRefUpdates true &&
 327          GIT_COMMITTER_DATE="2005-05-26 23:33" \
 328          git update-ref HEAD'" $B $A "'-m "Switch" &&
 329          test '"$B"' = $(cat .git/'"$m"')'
 330 test_expect_success \
 331         "set $m (logged by config)" \
 332         'test_config core.logAllRefUpdates true &&
 333          GIT_COMMITTER_DATE="2005-05-26 23:43" \
 334          git update-ref HEAD '"$A &&
 335          test $A"' = $(cat .git/'"$m"')'
 336
 337 cat >expect <<EOF
 338 $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 +0000       Initial Creation
 339 $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 +0000       Switch
 340 $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 +0000
 341 EOF
 342 test_expect_success \
 343         "verifying $m's log (logged by config)" \
 344         'test_when_finished "rm -f .git/$m .git/logs/$m expect" &&
 345          test_cmp expect .git/logs/$m'
 346
 347 git update-ref $m $D
 348 cat >.git/logs/$m <<EOF
 349 0000000000000000000000000000000000000000 $C $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 -0500
 350 $C $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150350 -0500
 351 $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 -0500
 352 $F $Z $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500
 353 $Z $E $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 -0500
 354 EOF
 355
 356 ed="Thu, 26 May 2005 18:32:00 -0500"
 357 gd="Thu, 26 May 2005 18:33:00 -0500"
 358 ld="Thu, 26 May 2005 18:43:00 -0500"
 359 test_expect_success \
 360         'Query "master@{May 25 2005}" (before history)' \
 361         'test_when_finished "rm -f o e" &&
 362          git rev-parse --verify "master@{May 25 2005}" >o 2>e &&
 363          test '"$C"' = $(cat o) &&
 364          test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
 365 test_expect_success \
 366         "Query master@{2005-05-25} (before history)" \
 367         'test_when_finished "rm -f o e" &&
 368          git rev-parse --verify master@{2005-05-25} >o 2>e &&
 369          test '"$C"' = $(cat o) &&
 370          echo test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
 371 test_expect_success \
 372         'Query "master@{May 26 2005 23:31:59}" (1 second before history)' \
 373         'test_when_finished "rm -f o e" &&
 374          git rev-parse --verify "master@{May 26 2005 23:31:59}" >o 2>e &&
 375          test '"$C"' = $(cat o) &&
 376          test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)"'
 377 test_expect_success \
 378         'Query "master@{May 26 2005 23:32:00}" (exactly history start)' \
 379         'test_when_finished "rm -f o e" &&
 380          git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e &&
 381          test '"$C"' = $(cat o) &&
 382          test "" = "$(cat e)"'
 383 test_expect_success \
 384         'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' \
 385         'test_when_finished "rm -f o e" &&
 386          git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e &&
 387          test '"$A"' = $(cat o) &&
 388          test "" = "$(cat e)"'
 389 test_expect_success \
 390         'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' \
 391         'test_when_finished "rm -f o e" &&
 392          git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e &&
 393          test '"$B"' = $(cat o) &&
 394          test "warning: Log for ref '"$m has gap after $gd"'." = "$(cat e)"'
 395 test_expect_success \
 396         'Query "master@{2005-05-26 23:38:00}" (middle of history)' \
 397         'test_when_finished "rm -f o e" &&
 398          git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e &&
 399          test '"$Z"' = $(cat o) &&
 400          test "" = "$(cat e)"'
 401 test_expect_success \
 402         'Query "master@{2005-05-26 23:43:00}" (exact end of history)' \
 403         'test_when_finished "rm -f o e" &&
 404          git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e &&
 405          test '"$E"' = $(cat o) &&
 406          test "" = "$(cat e)"'
 407 test_expect_success \
 408         'Query "master@{2005-05-28}" (past end of history)' \
 409         'test_when_finished "rm -f o e" &&
 410          git rev-parse --verify "master@{2005-05-28}" >o 2>e &&
 411          test '"$D"' = $(cat o) &&
 412          test "warning: Log for ref '"$m unexpectedly ended on $ld"'." = "$(cat e)"'
 413
 414
 415 rm -f .git/$m .git/logs/$m expect
 416
 417 test_expect_success \
 418     'creating initial files' \
 419     'test_when_finished rm -f M &&
 420      echo TEST >F &&
 421      git add F &&
 422          GIT_AUTHOR_DATE="2005-05-26 23:30" \
 423          GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a &&
 424          h_TEST=$(git rev-parse --verify HEAD) &&
 425          echo The other day this did not work. >M &&
 426          echo And then Bob told me how to fix it. >>M &&
 427          echo OTHER >F &&
 428          GIT_AUTHOR_DATE="2005-05-26 23:41" \
 429          GIT_COMMITTER_DATE="2005-05-26 23:41" git commit -F M -a &&
 430          h_OTHER=$(git rev-parse --verify HEAD) &&
 431          GIT_AUTHOR_DATE="2005-05-26 23:44" \
 432          GIT_COMMITTER_DATE="2005-05-26 23:44" git commit --amend &&
 433          h_FIXED=$(git rev-parse --verify HEAD) &&
 434          echo Merged initial commit and a later commit. >M &&
 435          echo $h_TEST >.git/MERGE_HEAD &&
 436          GIT_AUTHOR_DATE="2005-05-26 23:45" \
 437          GIT_COMMITTER_DATE="2005-05-26 23:45" git commit -F M &&
 438          h_MERGED=$(git rev-parse --verify HEAD)'
 439
 440 cat >expect <<EOF
 441 $Z $h_TEST $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000  commit (initial): add
 442 $h_TEST $h_OTHER $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000    commit: The other day this did not work.
 443 $h_OTHER $h_FIXED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151040 +0000   commit (amend): The other day this did not work.
 444 $h_FIXED $h_MERGED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151100 +0000  commit (merge): Merged initial commit and a later commit.
 445 EOF
 446 test_expect_success \
 447         'git commit logged updates' \
 448         "test_cmp expect .git/logs/$m"
 449 unset h_TEST h_OTHER h_FIXED h_MERGED
 450
 451 test_expect_success \
 452         'git cat-file blob master:F (expect OTHER)' \
 453         'test OTHER = $(git cat-file blob master:F)'
 454 test_expect_success \
 455         'git cat-file blob master@{2005-05-26 23:30}:F (expect TEST)' \
 456         'test TEST = $(git cat-file blob "master@{2005-05-26 23:30}:F")'
 457 test_expect_success \
 458         'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER)' \
 459         'test OTHER = $(git cat-file blob "master@{2005-05-26 23:42}:F")'
 460
 461 a=refs/heads/a
 462 b=refs/heads/b
 463 c=refs/heads/c
 464 E='""'
 465 F='%s\0'
 466 pws='path with space'
 467
 468 test_expect_success 'stdin test setup' '
 469         echo "$pws" >"$pws" &&
 470         git add -- "$pws" &&
 471         git commit -m "$pws"
 472 '
 473
 474 test_expect_success '-z fails without --stdin' '
 475         test_must_fail git update-ref -z $m $m $m 2>err &&
 476         test_i18ngrep "usage: git update-ref" err
 477 '
 478
 479 test_expect_success 'stdin works with no input' '
 480         >stdin &&
 481         git update-ref --stdin <stdin &&
 482         git rev-parse --verify -q $m
 483 '
 484
 485 test_expect_success 'stdin fails on empty line' '
 486         echo "" >stdin &&
 487         test_must_fail git update-ref --stdin <stdin 2>err &&
 488         grep "fatal: empty command in input" err
 489 '
 490
 491 test_expect_success 'stdin fails on only whitespace' '
 492         echo " " >stdin &&
 493         test_must_fail git update-ref --stdin <stdin 2>err &&
 494         grep "fatal: whitespace before command:  " err
 495 '
 496
 497 test_expect_success 'stdin fails on leading whitespace' '
 498         echo " create $a $m" >stdin &&
 499         test_must_fail git update-ref --stdin <stdin 2>err &&
 500         grep "fatal: whitespace before command:  create $a $m" err
 501 '
 502
 503 test_expect_success 'stdin fails on unknown command' '
 504         echo "unknown $a" >stdin &&
 505         test_must_fail git update-ref --stdin <stdin 2>err &&
 506         grep "fatal: unknown command: unknown $a" err
 507 '
 508
 509 test_expect_success 'stdin fails on unbalanced quotes' '
 510         echo "create $a \"master" >stdin &&
 511         test_must_fail git update-ref --stdin <stdin 2>err &&
 512         grep "fatal: badly quoted argument: \\\"master" err
 513 '
 514
 515 test_expect_success 'stdin fails on invalid escape' '
 516         echo "create $a \"ma\zter\"" >stdin &&
 517         test_must_fail git update-ref --stdin <stdin 2>err &&
 518         grep "fatal: badly quoted argument: \\\"ma\\\\zter\\\"" err
 519 '
 520
 521 test_expect_success 'stdin fails on junk after quoted argument' '
 522         echo "create \"$a\"master" >stdin &&
 523         test_must_fail git update-ref --stdin <stdin 2>err &&
 524         grep "fatal: unexpected character after quoted argument: \\\"$a\\\"master" err
 525 '
 526
 527 test_expect_success 'stdin fails create with no ref' '
 528         echo "create " >stdin &&
 529         test_must_fail git update-ref --stdin <stdin 2>err &&
 530         grep "fatal: create: missing <ref>" err
 531 '
 532
 533 test_expect_success 'stdin fails create with no new value' '
 534         echo "create $a" >stdin &&
 535         test_must_fail git update-ref --stdin <stdin 2>err &&
 536         grep "fatal: create $a: missing <newvalue>" err
 537 '
 538
 539 test_expect_success 'stdin fails create with too many arguments' '
 540         echo "create $a $m $m" >stdin &&
 541         test_must_fail git update-ref --stdin <stdin 2>err &&
 542         grep "fatal: create $a: extra input:  $m" err
 543 '
 544
 545 test_expect_success 'stdin fails update with no ref' '
 546         echo "update " >stdin &&
 547         test_must_fail git update-ref --stdin <stdin 2>err &&
 548         grep "fatal: update: missing <ref>" err
 549 '
 550
 551 test_expect_success 'stdin fails update with no new value' '
 552         echo "update $a" >stdin &&
 553         test_must_fail git update-ref --stdin <stdin 2>err &&
 554         grep "fatal: update $a: missing <newvalue>" err
 555 '
 556
 557 test_expect_success 'stdin fails update with too many arguments' '
 558         echo "update $a $m $m $m" >stdin &&
 559         test_must_fail git update-ref --stdin <stdin 2>err &&
 560         grep "fatal: update $a: extra input:  $m" err
 561 '
 562
 563 test_expect_success 'stdin fails delete with no ref' '
 564         echo "delete " >stdin &&
 565         test_must_fail git update-ref --stdin <stdin 2>err &&
 566         grep "fatal: delete: missing <ref>" err
 567 '
 568
 569 test_expect_success 'stdin fails delete with too many arguments' '
 570         echo "delete $a $m $m" >stdin &&
 571         test_must_fail git update-ref --stdin <stdin 2>err &&
 572         grep "fatal: delete $a: extra input:  $m" err
 573 '
 574
 575 test_expect_success 'stdin fails verify with too many arguments' '
 576         echo "verify $a $m $m" >stdin &&
 577         test_must_fail git update-ref --stdin <stdin 2>err &&
 578         grep "fatal: verify $a: extra input:  $m" err
 579 '
 580
 581 test_expect_success 'stdin fails option with unknown name' '
 582         echo "option unknown" >stdin &&
 583         test_must_fail git update-ref --stdin <stdin 2>err &&
 584         grep "fatal: option unknown: unknown" err
 585 '
 586
 587 test_expect_success 'stdin fails with duplicate refs' '
 588         cat >stdin <<-EOF &&
 589         create $a $m
 590         create $b $m
 591         create $a $m
 592         EOF
 593         test_must_fail git update-ref --stdin <stdin 2>err &&
 594         grep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed." err
 595 '
 596
 597 test_expect_success 'stdin create ref works' '
 598         echo "create $a $m" >stdin &&
 599         git update-ref --stdin <stdin &&
 600         git rev-parse $m >expect &&
 601         git rev-parse $a >actual &&
 602         test_cmp expect actual
 603 '
 604
 605 test_expect_success 'stdin does not create reflogs by default' '
 606         test_when_finished "git update-ref -d $outside" &&
 607         echo "create $outside $m" >stdin &&
 608         git update-ref --stdin <stdin &&
 609         git rev-parse $m >expect &&
 610         git rev-parse $outside >actual &&
 611         test_cmp expect actual &&
 612         test_must_fail git reflog exists $outside
 613 '
 614
 615 test_expect_success 'stdin creates reflogs with --create-reflog' '
 616         test_when_finished "git update-ref -d $outside" &&
 617         echo "create $outside $m" >stdin &&
 618         git update-ref --create-reflog --stdin <stdin &&
 619         git rev-parse $m >expect &&
 620         git rev-parse $outside >actual &&
 621         test_cmp expect actual &&
 622         git reflog exists $outside
 623 '
 624
 625 test_expect_success 'stdin succeeds with quoted argument' '
 626         git update-ref -d $a &&
 627         echo "create $a \"$m\"" >stdin &&
 628         git update-ref --stdin <stdin &&
 629         git rev-parse $m >expect &&
 630         git rev-parse $a >actual &&
 631         test_cmp expect actual
 632 '
 633
 634 test_expect_success 'stdin succeeds with escaped character' '
 635         git update-ref -d $a &&
 636         echo "create $a \"ma\\163ter\"" >stdin &&
 637         git update-ref --stdin <stdin &&
 638         git rev-parse $m >expect &&
 639         git rev-parse $a >actual &&
 640         test_cmp expect actual
 641 '
 642
 643 test_expect_success 'stdin update ref creates with zero old value' '
 644         echo "update $b $m $Z" >stdin &&
 645         git update-ref --stdin <stdin &&
 646         git rev-parse $m >expect &&
 647         git rev-parse $b >actual &&
 648         test_cmp expect actual &&
 649         git update-ref -d $b
 650 '
 651
 652 test_expect_success 'stdin update ref creates with empty old value' '
 653         echo "update $b $m $E" >stdin &&
 654         git update-ref --stdin <stdin &&
 655         git rev-parse $m >expect &&
 656         git rev-parse $b >actual &&
 657         test_cmp expect actual
 658 '
 659
 660 test_expect_success 'stdin create ref works with path with space to blob' '
 661         echo "create refs/blobs/pws \"$m:$pws\"" >stdin &&
 662         git update-ref --stdin <stdin &&
 663         git rev-parse "$m:$pws" >expect &&
 664         git rev-parse refs/blobs/pws >actual &&
 665         test_cmp expect actual &&
 666         git update-ref -d refs/blobs/pws
 667 '
 668
 669 test_expect_success 'stdin update ref fails with wrong old value' '
 670         echo "update $c $m $m~1" >stdin &&
 671         test_must_fail git update-ref --stdin <stdin 2>err &&
 672         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 673         test_must_fail git rev-parse --verify -q $c
 674 '
 675
 676 test_expect_success 'stdin update ref fails with bad old value' '
 677         echo "update $c $m does-not-exist" >stdin &&
 678         test_must_fail git update-ref --stdin <stdin 2>err &&
 679         grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
 680         test_must_fail git rev-parse --verify -q $c
 681 '
 682
 683 test_expect_success 'stdin create ref fails with bad new value' '
 684         echo "create $c does-not-exist" >stdin &&
 685         test_must_fail git update-ref --stdin <stdin 2>err &&
 686         grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
 687         test_must_fail git rev-parse --verify -q $c
 688 '
 689
 690 test_expect_success 'stdin create ref fails with zero new value' '
 691         echo "create $c " >stdin &&
 692         test_must_fail git update-ref --stdin <stdin 2>err &&
 693         grep "fatal: create $c: zero <newvalue>" err &&
 694         test_must_fail git rev-parse --verify -q $c
 695 '
 696
 697 test_expect_success 'stdin update ref works with right old value' '
 698         echo "update $b $m~1 $m" >stdin &&
 699         git update-ref --stdin <stdin &&
 700         git rev-parse $m~1 >expect &&
 701         git rev-parse $b >actual &&
 702         test_cmp expect actual
 703 '
 704
 705 test_expect_success 'stdin delete ref fails with wrong old value' '
 706         echo "delete $a $m~1" >stdin &&
 707         test_must_fail git update-ref --stdin <stdin 2>err &&
 708         grep "fatal: cannot lock ref '"'"'$a'"'"'" err &&
 709         git rev-parse $m >expect &&
 710         git rev-parse $a >actual &&
 711         test_cmp expect actual
 712 '
 713
 714 test_expect_success 'stdin delete ref fails with zero old value' '
 715         echo "delete $a " >stdin &&
 716         test_must_fail git update-ref --stdin <stdin 2>err &&
 717         grep "fatal: delete $a: zero <oldvalue>" err &&
 718         git rev-parse $m >expect &&
 719         git rev-parse $a >actual &&
 720         test_cmp expect actual
 721 '
 722
 723 test_expect_success 'stdin update symref works option no-deref' '
 724         git symbolic-ref TESTSYMREF $b &&
 725         cat >stdin <<-EOF &&
 726         option no-deref
 727         update TESTSYMREF $a $b
 728         EOF
 729         git update-ref --stdin <stdin &&
 730         git rev-parse TESTSYMREF >expect &&
 731         git rev-parse $a >actual &&
 732         test_cmp expect actual &&
 733         git rev-parse $m~1 >expect &&
 734         git rev-parse $b >actual &&
 735         test_cmp expect actual
 736 '
 737
 738 test_expect_success 'stdin delete symref works option no-deref' '
 739         git symbolic-ref TESTSYMREF $b &&
 740         cat >stdin <<-EOF &&
 741         option no-deref
 742         delete TESTSYMREF $b
 743         EOF
 744         git update-ref --stdin <stdin &&
 745         test_must_fail git rev-parse --verify -q TESTSYMREF &&
 746         git rev-parse $m~1 >expect &&
 747         git rev-parse $b >actual &&
 748         test_cmp expect actual
 749 '
 750
 751 test_expect_success 'stdin delete ref works with right old value' '
 752         echo "delete $b $m~1" >stdin &&
 753         git update-ref --stdin <stdin &&
 754         test_must_fail git rev-parse --verify -q $b
 755 '
 756
 757 test_expect_success 'stdin update/create/verify combination works' '
 758         cat >stdin <<-EOF &&
 759         update $a $m
 760         create $b $m
 761         verify $c
 762         EOF
 763         git update-ref --stdin <stdin &&
 764         git rev-parse $m >expect &&
 765         git rev-parse $a >actual &&
 766         test_cmp expect actual &&
 767         git rev-parse $b >actual &&
 768         test_cmp expect actual &&
 769         test_must_fail git rev-parse --verify -q $c
 770 '
 771
 772 test_expect_success 'stdin verify succeeds for correct value' '
 773         git rev-parse $m >expect &&
 774         echo "verify $m $m" >stdin &&
 775         git update-ref --stdin <stdin &&
 776         git rev-parse $m >actual &&
 777         test_cmp expect actual
 778 '
 779
 780 test_expect_success 'stdin verify succeeds for missing reference' '
 781         echo "verify refs/heads/missing $Z" >stdin &&
 782         git update-ref --stdin <stdin &&
 783         test_must_fail git rev-parse --verify -q refs/heads/missing
 784 '
 785
 786 test_expect_success 'stdin verify treats no value as missing' '
 787         echo "verify refs/heads/missing" >stdin &&
 788         git update-ref --stdin <stdin &&
 789         test_must_fail git rev-parse --verify -q refs/heads/missing
 790 '
 791
 792 test_expect_success 'stdin verify fails for wrong value' '
 793         git rev-parse $m >expect &&
 794         echo "verify $m $m~1" >stdin &&
 795         test_must_fail git update-ref --stdin <stdin &&
 796         git rev-parse $m >actual &&
 797         test_cmp expect actual
 798 '
 799
 800 test_expect_success 'stdin verify fails for mistaken null value' '
 801         git rev-parse $m >expect &&
 802         echo "verify $m $Z" >stdin &&
 803         test_must_fail git update-ref --stdin <stdin &&
 804         git rev-parse $m >actual &&
 805         test_cmp expect actual
 806 '
 807
 808 test_expect_success 'stdin verify fails for mistaken empty value' '
 809         M=$(git rev-parse $m) &&
 810         test_when_finished "git update-ref $m $M" &&
 811         git rev-parse $m >expect &&
 812         echo "verify $m" >stdin &&
 813         test_must_fail git update-ref --stdin <stdin &&
 814         git rev-parse $m >actual &&
 815         test_cmp expect actual
 816 '
 817
 818 test_expect_success 'stdin update refs works with identity updates' '
 819         cat >stdin <<-EOF &&
 820         update $a $m $m
 821         update $b $m $m
 822         update $c $Z $E
 823         EOF
 824         git update-ref --stdin <stdin &&
 825         git rev-parse $m >expect &&
 826         git rev-parse $a >actual &&
 827         test_cmp expect actual &&
 828         git rev-parse $b >actual &&
 829         test_cmp expect actual &&
 830         test_must_fail git rev-parse --verify -q $c
 831 '
 832
 833 test_expect_success 'stdin update refs fails with wrong old value' '
 834         git update-ref $c $m &&
 835         cat >stdin <<-EOF &&
 836         update $a $m $m
 837         update $b $m $m
 838         update $c  ''
 839         EOF
 840         test_must_fail git update-ref --stdin <stdin 2>err &&
 841         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 842         git rev-parse $m >expect &&
 843         git rev-parse $a >actual &&
 844         test_cmp expect actual &&
 845         git rev-parse $b >actual &&
 846         test_cmp expect actual &&
 847         git rev-parse $c >actual &&
 848         test_cmp expect actual
 849 '
 850
 851 test_expect_success 'stdin delete refs works with packed and loose refs' '
 852         git pack-refs --all &&
 853         git update-ref $c $m~1 &&
 854         cat >stdin <<-EOF &&
 855         delete $a $m
 856         update $b $Z $m
 857         update $c $E $m~1
 858         EOF
 859         git update-ref --stdin <stdin &&
 860         test_must_fail git rev-parse --verify -q $a &&
 861         test_must_fail git rev-parse --verify -q $b &&
 862         test_must_fail git rev-parse --verify -q $c
 863 '
 864
 865 test_expect_success 'stdin -z works on empty input' '
 866         >stdin &&
 867         git update-ref -z --stdin <stdin &&
 868         git rev-parse --verify -q $m
 869 '
 870
 871 test_expect_success 'stdin -z fails on empty line' '
 872         echo "" >stdin &&
 873         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 874         grep "fatal: whitespace before command: " err
 875 '
 876
 877 test_expect_success 'stdin -z fails on empty command' '
 878         printf $F "" >stdin &&
 879         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 880         grep "fatal: empty command in input" err
 881 '
 882
 883 test_expect_success 'stdin -z fails on only whitespace' '
 884         printf $F " " >stdin &&
 885         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 886         grep "fatal: whitespace before command:  " err
 887 '
 888
 889 test_expect_success 'stdin -z fails on leading whitespace' '
 890         printf $F " create $a" "$m" >stdin &&
 891         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 892         grep "fatal: whitespace before command:  create $a" err
 893 '
 894
 895 test_expect_success 'stdin -z fails on unknown command' '
 896         printf $F "unknown $a" >stdin &&
 897         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 898         grep "fatal: unknown command: unknown $a" err
 899 '
 900
 901 test_expect_success 'stdin -z fails create with no ref' '
 902         printf $F "create " >stdin &&
 903         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 904         grep "fatal: create: missing <ref>" err
 905 '
 906
 907 test_expect_success 'stdin -z fails create with no new value' '
 908         printf $F "create $a" >stdin &&
 909         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 910         grep "fatal: create $a: unexpected end of input when reading <newvalue>" err
 911 '
 912
 913 test_expect_success 'stdin -z fails create with too many arguments' '
 914         printf $F "create $a" "$m" "$m" >stdin &&
 915         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 916         grep "fatal: unknown command: $m" err
 917 '
 918
 919 test_expect_success 'stdin -z fails update with no ref' '
 920         printf $F "update " >stdin &&
 921         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 922         grep "fatal: update: missing <ref>" err
 923 '
 924
 925 test_expect_success 'stdin -z fails update with too few args' '
 926         printf $F "update $a" "$m" >stdin &&
 927         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 928         grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
 929 '
 930
 931 test_expect_success 'stdin -z emits warning with empty new value' '
 932         git update-ref $a $m &&
 933         printf $F "update $a" "" "" >stdin &&
 934         git update-ref -z --stdin <stdin 2>err &&
 935         grep "warning: update $a: missing <newvalue>, treating as zero" err &&
 936         test_must_fail git rev-parse --verify -q $a
 937 '
 938
 939 test_expect_success 'stdin -z fails update with no new value' '
 940         printf $F "update $a" >stdin &&
 941         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 942         grep "fatal: update $a: unexpected end of input when reading <newvalue>" err
 943 '
 944
 945 test_expect_success 'stdin -z fails update with no old value' '
 946         printf $F "update $a" "$m" >stdin &&
 947         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 948         grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
 949 '
 950
 951 test_expect_success 'stdin -z fails update with too many arguments' '
 952         printf $F "update $a" "$m" "$m" "$m" >stdin &&
 953         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 954         grep "fatal: unknown command: $m" err
 955 '
 956
 957 test_expect_success 'stdin -z fails delete with no ref' '
 958         printf $F "delete " >stdin &&
 959         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 960         grep "fatal: delete: missing <ref>" err
 961 '
 962
 963 test_expect_success 'stdin -z fails delete with no old value' '
 964         printf $F "delete $a" >stdin &&
 965         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 966         grep "fatal: delete $a: unexpected end of input when reading <oldvalue>" err
 967 '
 968
 969 test_expect_success 'stdin -z fails delete with too many arguments' '
 970         printf $F "delete $a" "$m" "$m" >stdin &&
 971         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 972         grep "fatal: unknown command: $m" err
 973 '
 974
 975 test_expect_success 'stdin -z fails verify with too many arguments' '
 976         printf $F "verify $a" "$m" "$m" >stdin &&
 977         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 978         grep "fatal: unknown command: $m" err
 979 '
 980
 981 test_expect_success 'stdin -z fails verify with no old value' '
 982         printf $F "verify $a" >stdin &&
 983         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 984         grep "fatal: verify $a: unexpected end of input when reading <oldvalue>" err
 985 '
 986
 987 test_expect_success 'stdin -z fails option with unknown name' '
 988         printf $F "option unknown" >stdin &&
 989         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 990         grep "fatal: option unknown: unknown" err
 991 '
 992
 993 test_expect_success 'stdin -z fails with duplicate refs' '
 994         printf $F "create $a" "$m" "create $b" "$m" "create $a" "$m" >stdin &&
 995         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 996         grep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed." err
 997 '
 998
 999 test_expect_success 'stdin -z create ref works' '
1000         printf $F "create $a" "$m" >stdin &&
1001         git update-ref -z --stdin <stdin &&
1002         git rev-parse $m >expect &&
1003         git rev-parse $a >actual &&
1004         test_cmp expect actual
1005 '
1006
1007 test_expect_success 'stdin -z update ref creates with zero old value' '
1008         printf $F "update $b" "$m" "$Z" >stdin &&
1009         git update-ref -z --stdin <stdin &&
1010         git rev-parse $m >expect &&
1011         git rev-parse $b >actual &&
1012         test_cmp expect actual &&
1013         git update-ref -d $b
1014 '
1015
1016 test_expect_success 'stdin -z update ref creates with empty old value' '
1017         printf $F "update $b" "$m" "" >stdin &&
1018         git update-ref -z --stdin <stdin &&
1019         git rev-parse $m >expect &&
1020         git rev-parse $b >actual &&
1021         test_cmp expect actual
1022 '
1023
1024 test_expect_success 'stdin -z create ref works with path with space to blob' '
1025         printf $F "create refs/blobs/pws" "$m:$pws" >stdin &&
1026         git update-ref -z --stdin <stdin &&
1027         git rev-parse "$m:$pws" >expect &&
1028         git rev-parse refs/blobs/pws >actual &&
1029         test_cmp expect actual &&
1030         git update-ref -d refs/blobs/pws
1031 '
1032
1033 test_expect_success 'stdin -z update ref fails with wrong old value' '
1034         printf $F "update $c" "$m" "$m~1" >stdin &&
1035         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1036         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1037         test_must_fail git rev-parse --verify -q $c
1038 '
1039
1040 test_expect_success 'stdin -z update ref fails with bad old value' '
1041         printf $F "update $c" "$m" "does-not-exist" >stdin &&
1042         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1043         grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
1044         test_must_fail git rev-parse --verify -q $c
1045 '
1046
1047 test_expect_success 'stdin -z create ref fails when ref exists' '
1048         git update-ref $c $m &&
1049         git rev-parse "$c" >expect &&
1050         printf $F "create $c" "$m~1" >stdin &&
1051         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1052         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1053         git rev-parse "$c" >actual &&
1054         test_cmp expect actual
1055 '
1056
1057 test_expect_success 'stdin -z create ref fails with bad new value' '
1058         git update-ref -d "$c" &&
1059         printf $F "create $c" "does-not-exist" >stdin &&
1060         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1061         grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
1062         test_must_fail git rev-parse --verify -q $c
1063 '
1064
1065 test_expect_success 'stdin -z create ref fails with empty new value' '
1066         printf $F "create $c" "" >stdin &&
1067         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1068         grep "fatal: create $c: missing <newvalue>" err &&
1069         test_must_fail git rev-parse --verify -q $c
1070 '
1071
1072 test_expect_success 'stdin -z update ref works with right old value' '
1073         printf $F "update $b" "$m~1" "$m" >stdin &&
1074         git update-ref -z --stdin <stdin &&
1075         git rev-parse $m~1 >expect &&
1076         git rev-parse $b >actual &&
1077         test_cmp expect actual
1078 '
1079
1080 test_expect_success 'stdin -z delete ref fails with wrong old value' '
1081         printf $F "delete $a" "$m~1" >stdin &&
1082         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1083         grep "fatal: cannot lock ref '"'"'$a'"'"'" err &&
1084         git rev-parse $m >expect &&
1085         git rev-parse $a >actual &&
1086         test_cmp expect actual
1087 '
1088
1089 test_expect_success 'stdin -z delete ref fails with zero old value' '
1090         printf $F "delete $a" "$Z" >stdin &&
1091         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1092         grep "fatal: delete $a: zero <oldvalue>" err &&
1093         git rev-parse $m >expect &&
1094         git rev-parse $a >actual &&
1095         test_cmp expect actual
1096 '
1097
1098 test_expect_success 'stdin -z update symref works option no-deref' '
1099         git symbolic-ref TESTSYMREF $b &&
1100         printf $F "option no-deref" "update TESTSYMREF" "$a" "$b" >stdin &&
1101         git update-ref -z --stdin <stdin &&
1102         git rev-parse TESTSYMREF >expect &&
1103         git rev-parse $a >actual &&
1104         test_cmp expect actual &&
1105         git rev-parse $m~1 >expect &&
1106         git rev-parse $b >actual &&
1107         test_cmp expect actual
1108 '
1109
1110 test_expect_success 'stdin -z delete symref works option no-deref' '
1111         git symbolic-ref TESTSYMREF $b &&
1112         printf $F "option no-deref" "delete TESTSYMREF" "$b" >stdin &&
1113         git update-ref -z --stdin <stdin &&
1114         test_must_fail git rev-parse --verify -q TESTSYMREF &&
1115         git rev-parse $m~1 >expect &&
1116         git rev-parse $b >actual &&
1117         test_cmp expect actual
1118 '
1119
1120 test_expect_success 'stdin -z delete ref works with right old value' '
1121         printf $F "delete $b" "$m~1" >stdin &&
1122         git update-ref -z --stdin <stdin &&
1123         test_must_fail git rev-parse --verify -q $b
1124 '
1125
1126 test_expect_success 'stdin -z update/create/verify combination works' '
1127         printf $F "update $a" "$m" "" "create $b" "$m" "verify $c" "" >stdin &&
1128         git update-ref -z --stdin <stdin &&
1129         git rev-parse $m >expect &&
1130         git rev-parse $a >actual &&
1131         test_cmp expect actual &&
1132         git rev-parse $b >actual &&
1133         test_cmp expect actual &&
1134         test_must_fail git rev-parse --verify -q $c
1135 '
1136
1137 test_expect_success 'stdin -z verify succeeds for correct value' '
1138         git rev-parse $m >expect &&
1139         printf $F "verify $m" "$m" >stdin &&
1140         git update-ref -z --stdin <stdin &&
1141         git rev-parse $m >actual &&
1142         test_cmp expect actual
1143 '
1144
1145 test_expect_success 'stdin -z verify succeeds for missing reference' '
1146         printf $F "verify refs/heads/missing" "$Z" >stdin &&
1147         git update-ref -z --stdin <stdin &&
1148         test_must_fail git rev-parse --verify -q refs/heads/missing
1149 '
1150
1151 test_expect_success 'stdin -z verify treats no value as missing' '
1152         printf $F "verify refs/heads/missing" "" >stdin &&
1153         git update-ref -z --stdin <stdin &&
1154         test_must_fail git rev-parse --verify -q refs/heads/missing
1155 '
1156
1157 test_expect_success 'stdin -z verify fails for wrong value' '
1158         git rev-parse $m >expect &&
1159         printf $F "verify $m" "$m~1" >stdin &&
1160         test_must_fail git update-ref -z --stdin <stdin &&
1161         git rev-parse $m >actual &&
1162         test_cmp expect actual
1163 '
1164
1165 test_expect_success 'stdin -z verify fails for mistaken null value' '
1166         git rev-parse $m >expect &&
1167         printf $F "verify $m" "$Z" >stdin &&
1168         test_must_fail git update-ref -z --stdin <stdin &&
1169         git rev-parse $m >actual &&
1170         test_cmp expect actual
1171 '
1172
1173 test_expect_success 'stdin -z verify fails for mistaken empty value' '
1174         M=$(git rev-parse $m) &&
1175         test_when_finished "git update-ref $m $M" &&
1176         git rev-parse $m >expect &&
1177         printf $F "verify $m" "" >stdin &&
1178         test_must_fail git update-ref -z --stdin <stdin &&
1179         git rev-parse $m >actual &&
1180         test_cmp expect actual
1181 '
1182
1183 test_expect_success 'stdin -z update refs works with identity updates' '
1184         printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$Z" "" >stdin &&
1185         git update-ref -z --stdin <stdin &&
1186         git rev-parse $m >expect &&
1187         git rev-parse $a >actual &&
1188         test_cmp expect actual &&
1189         git rev-parse $b >actual &&
1190         test_cmp expect actual &&
1191         test_must_fail git rev-parse --verify -q $c
1192 '
1193
1194 test_expect_success 'stdin -z update refs fails with wrong old value' '
1195         git update-ref $c $m &&
1196         printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$m" "$Z" >stdin &&
1197         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1198         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1199         git rev-parse $m >expect &&
1200         git rev-parse $a >actual &&
1201         test_cmp expect actual &&
1202         git rev-parse $b >actual &&
1203         test_cmp expect actual &&
1204         git rev-parse $c >actual &&
1205         test_cmp expect actual
1206 '
1207
1208 test_expect_success 'stdin -z delete refs works with packed and loose refs' '
1209         git pack-refs --all &&
1210         git update-ref $c $m~1 &&
1211         printf $F "delete $a" "$m" "update $b" "$Z" "$m" "update $c" "" "$m~1" >stdin &&
1212         git update-ref -z --stdin <stdin &&
1213         test_must_fail git rev-parse --verify -q $a &&
1214         test_must_fail git rev-parse --verify -q $b &&
1215         test_must_fail git rev-parse --verify -q $c
1216 '
1217
1218 test_expect_success 'fails with duplicate HEAD update' '
1219         git branch target1 $A &&
1220         git checkout target1 &&
1221         cat >stdin <<-EOF &&
1222         update refs/heads/target1 $C
1223         option no-deref
1224         update HEAD $B
1225         EOF
1226         test_must_fail git update-ref --stdin <stdin 2>err &&
1227         grep "fatal: multiple updates for '\''HEAD'\'' (including one via its referent .refs/heads/target1.) are not allowed" err &&
1228         echo "refs/heads/target1" >expect &&
1229         git symbolic-ref HEAD >actual &&
1230         test_cmp expect actual &&
1231         echo "$A" >expect &&
1232         git rev-parse refs/heads/target1 >actual &&
1233         test_cmp expect actual
1234 '
1235
1236 test_expect_success 'fails with duplicate ref update via symref' '
1237         git branch target2 $A &&
1238         git symbolic-ref refs/heads/symref2 refs/heads/target2 &&
1239         cat >stdin <<-EOF &&
1240         update refs/heads/target2 $C
1241         update refs/heads/symref2 $B
1242         EOF
1243         test_must_fail git update-ref --stdin <stdin 2>err &&
1244         grep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err &&
1245         echo "refs/heads/target2" >expect &&
1246         git symbolic-ref refs/heads/symref2 >actual &&
1247         test_cmp expect actual &&
1248         echo "$A" >expect &&
1249         git rev-parse refs/heads/target2 >actual &&
1250         test_cmp expect actual
1251 '
1252
1253 run_with_limited_open_files () {
1254         (ulimit -n 32 && "$@")
1255 }
1256
1257 test_lazy_prereq ULIMIT_FILE_DESCRIPTORS 'run_with_limited_open_files true'
1258
1259 test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction creating branches does not burst open file limit' '
1260 (
1261         for i in $(test_seq 33)
1262         do
1263                 echo "create refs/heads/$i HEAD"
1264         done >large_input &&
1265         run_with_limited_open_files git update-ref --stdin <large_input &&
1266         git rev-parse --verify -q refs/heads/33
1267 )
1268 '
1269
1270 test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction deleting branches does not burst open file limit' '
1271 (
1272         for i in $(test_seq 33)
1273         do
1274                 echo "delete refs/heads/$i HEAD"
1275         done >large_input &&
1276         run_with_limited_open_files git update-ref --stdin <large_input &&
1277         test_must_fail git rev-parse --verify -q refs/heads/33
1278 )
1279 '
1280
1281 test_expect_success 'handle per-worktree refs in refs/bisect' '
1282         git commit --allow-empty -m "initial commit" &&
1283         git worktree add -b branch worktree &&
1284         (
1285                 cd worktree &&
1286                 git commit --allow-empty -m "test commit"  &&
1287                 git for-each-ref >for-each-ref.out &&
1288                 ! grep refs/bisect for-each-ref.out &&
1289                 git update-ref refs/bisect/something HEAD &&
1290                 git rev-parse refs/bisect/something >../worktree-head &&
1291                 git for-each-ref | grep refs/bisect/something
1292         ) &&
1293         test_path_is_missing .git/refs/bisect &&
1294         test_must_fail git rev-parse refs/bisect/something &&
1295         git update-ref refs/bisect/something HEAD &&
1296         git rev-parse refs/bisect/something >main-head &&
1297         ! test_cmp main-head worktree-head
1298 '
1299
1300 test_done