t/t1400-update-ref.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2006 Shawn Pearce
   4 #
   5
   6 test_description='Test git update-ref and basic ref logging'
   7 . ./test-lib.sh
   8
   9 Z=$ZERO_OID
  10
  11 m=refs/heads/master
  12 n_dir=refs/heads/gu
  13 n=$n_dir/fixes
  14 outside=refs/foo
  15 bare=bare-repo
  16
  17 create_test_commits ()
  18 {
  19         prfx="$1"
  20         for name in A B C D E F
  21         do
  22                 test_tick &&
  23                 T=$(git write-tree) &&
  24                 sha1=$(echo $name | git commit-tree $T) &&
  25                 eval $prfx$name=$sha1
  26         done
  27 }
  28
  29 test_expect_success setup '
  30         create_test_commits "" &&
  31         mkdir $bare &&
  32         cd $bare &&
  33         git init --bare &&
  34         create_test_commits "bare" &&
  35         cd -
  36 '
  37
  38 test_expect_success "create $m" '
  39         git update-ref $m $A &&
  40         test $A = $(cat .git/$m)
  41 '
  42 test_expect_success "create $m with oldvalue verification" '
  43         git update-ref $m $B $A &&
  44         test $B = $(cat .git/$m)
  45 '
  46 test_expect_success "fail to delete $m with stale ref" '
  47         test_must_fail git update-ref -d $m $A &&
  48         test $B = "$(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 "create $m (by HEAD)" '
  71         git update-ref HEAD $A &&
  72         test $A = $(cat .git/$m)
  73 '
  74 test_expect_success "create $m (by HEAD) with oldvalue verification" '
  75         git update-ref HEAD $B $A &&
  76         test $B = $(cat .git/$m)
  77 '
  78 test_expect_success "fail to delete $m (by HEAD) with stale ref" '
  79         test_must_fail git update-ref -d HEAD $A &&
  80         test $B = $(cat .git/$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 "create $m (by HEAD)" '
 180         git update-ref HEAD $A &&
 181         test $A = $(cat .git/$m)
 182 '
 183 test_expect_success 'pack refs' '
 184         git pack-refs --all
 185 '
 186 test_expect_success "move $m (by HEAD)" '
 187         git update-ref HEAD $B $A &&
 188         test $B = $(cat .git/$m)
 189 '
 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 'create HEAD' '
 251         git update-ref HEAD $A
 252 '
 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 "create $m (logged by touch)" '
 263         test_config core.logAllRefUpdates false &&
 264         GIT_COMMITTER_DATE="2005-05-26 23:30" \
 265         git update-ref --create-reflog HEAD $A -m "Initial Creation" &&
 266         test $A = $(cat .git/$m)
 267 '
 268 test_expect_success "update $m (logged by touch)" '
 269         test_config core.logAllRefUpdates false &&
 270         GIT_COMMITTER_DATE="2005-05-26 23:31" \
 271         git update-ref HEAD $B $A -m "Switch" &&
 272         test $B = $(cat .git/$m)
 273 '
 274 test_expect_success "set $m (logged by touch)" '
 275         test_config core.logAllRefUpdates false &&
 276         GIT_COMMITTER_DATE="2005-05-26 23:41" \
 277         git update-ref HEAD $A &&
 278         test $A = $(cat .git/$m)
 279 '
 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 "create $m (logged by config)" '
 319         test_config core.logAllRefUpdates true &&
 320         GIT_COMMITTER_DATE="2005-05-26 23:32" \
 321         git update-ref HEAD $A -m "Initial Creation" &&
 322         test $A = $(cat .git/$m)
 323 '
 324 test_expect_success "update $m (logged by config)" '
 325         test_config core.logAllRefUpdates true &&
 326         GIT_COMMITTER_DATE="2005-05-26 23:33" \
 327         git update-ref HEAD'" $B $A "'-m "Switch" &&
 328         test $B = $(cat .git/$m)
 329 '
 330 test_expect_success "set $m (logged by config)" '
 331         test_config core.logAllRefUpdates true &&
 332         GIT_COMMITTER_DATE="2005-05-26 23:43" \
 333         git update-ref HEAD $A &&
 334         test $A = $(cat .git/$m)
 335 '
 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 "verifying $m's log (logged by config)" '
 343         test_when_finished "rm -f .git/$m .git/logs/$m expect" &&
 344         test_cmp expect .git/logs/$m
 345 '
 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 'Query "master@{May 25 2005}" (before history)' '
 360         test_when_finished "rm -f o e" &&
 361         git rev-parse --verify "master@{May 25 2005}" >o 2>e &&
 362         test $C = $(cat o) &&
 363         test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)"
 364 '
 365 test_expect_success 'Query master@{2005-05-25} (before history)' '
 366         test_when_finished "rm -f o e" &&
 367         git rev-parse --verify master@{2005-05-25} >o 2>e &&
 368         test $C = $(cat o) &&
 369         echo test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)"
 370 '
 371 test_expect_success 'Query "master@{May 26 2005 23:31:59}" (1 second before history)' '
 372         test_when_finished "rm -f o e" &&
 373         git rev-parse --verify "master@{May 26 2005 23:31:59}" >o 2>e &&
 374         test $C = $(cat o) &&
 375         test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)"
 376 '
 377 test_expect_success 'Query "master@{May 26 2005 23:32:00}" (exactly history start)' '
 378         test_when_finished "rm -f o e" &&
 379         git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e &&
 380         test $C = $(cat o) &&
 381         test "" = "$(cat e)"
 382 '
 383 test_expect_success 'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' '
 384         test_when_finished "rm -f o e" &&
 385         git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e &&
 386         test $A = $(cat o) &&
 387         test "" = "$(cat e)"
 388 '
 389 test_expect_success 'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' '
 390         test_when_finished "rm -f o e" &&
 391         git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e &&
 392         test $B = $(cat o) &&
 393         test "warning: Log for ref $m has gap after $gd." = "$(cat e)"
 394 '
 395 test_expect_success 'Query "master@{2005-05-26 23:38:00}" (middle of history)' '
 396         test_when_finished "rm -f o e" &&
 397         git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e &&
 398         test $Z = $(cat o) &&
 399         test "" = "$(cat e)"
 400 '
 401 test_expect_success 'Query "master@{2005-05-26 23:43:00}" (exact end of history)' '
 402         test_when_finished "rm -f o e" &&
 403         git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e &&
 404         test $E = $(cat o) &&
 405         test "" = "$(cat e)"
 406 '
 407 test_expect_success 'Query "master@{2005-05-28}" (past end of history)' '
 408         test_when_finished "rm -f o e" &&
 409         git rev-parse --verify "master@{2005-05-28}" >o 2>e &&
 410         test $D = $(cat o) &&
 411         test "warning: Log for ref $m unexpectedly ended on $ld." = "$(cat e)"
 412 '
 413
 414 rm -f .git/$m .git/logs/$m expect
 415
 416 test_expect_success 'creating initial files' '
 417         test_when_finished rm -f M &&
 418         echo TEST >F &&
 419         git add F &&
 420         GIT_AUTHOR_DATE="2005-05-26 23:30" \
 421         GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a &&
 422         h_TEST=$(git rev-parse --verify HEAD) &&
 423         echo The other day this did not work. >M &&
 424         echo And then Bob told me how to fix it. >>M &&
 425         echo OTHER >F &&
 426         GIT_AUTHOR_DATE="2005-05-26 23:41" \
 427         GIT_COMMITTER_DATE="2005-05-26 23:41" git commit -F M -a &&
 428         h_OTHER=$(git rev-parse --verify HEAD) &&
 429         GIT_AUTHOR_DATE="2005-05-26 23:44" \
 430         GIT_COMMITTER_DATE="2005-05-26 23:44" git commit --amend &&
 431         h_FIXED=$(git rev-parse --verify HEAD) &&
 432         echo Merged initial commit and a later commit. >M &&
 433         echo $h_TEST >.git/MERGE_HEAD &&
 434         GIT_AUTHOR_DATE="2005-05-26 23:45" \
 435         GIT_COMMITTER_DATE="2005-05-26 23:45" git commit -F M &&
 436         h_MERGED=$(git rev-parse --verify HEAD)
 437 '
 438
 439 cat >expect <<EOF
 440 $Z $h_TEST $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000  commit (initial): add
 441 $h_TEST $h_OTHER $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000    commit: The other day this did not work.
 442 $h_OTHER $h_FIXED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151040 +0000   commit (amend): The other day this did not work.
 443 $h_FIXED $h_MERGED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151100 +0000  commit (merge): Merged initial commit and a later commit.
 444 EOF
 445 test_expect_success 'git commit logged updates' '
 446         test_cmp expect .git/logs/$m
 447 '
 448 unset h_TEST h_OTHER h_FIXED h_MERGED
 449
 450 test_expect_success 'git cat-file blob master:F (expect OTHER)' '
 451         test OTHER = $(git cat-file blob master:F)
 452 '
 453 test_expect_success 'git cat-file blob master@{2005-05-26 23:30}:F (expect TEST)' '
 454         test TEST = $(git cat-file blob "master@{2005-05-26 23:30}:F")
 455 '
 456 test_expect_success 'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER)' '
 457         test OTHER = $(git cat-file blob "master@{2005-05-26 23:42}:F")
 458 '
 459
 460 # Test adding and deleting pseudorefs
 461
 462 test_expect_success 'given old value for missing pseudoref, do not create' '
 463         test_must_fail git update-ref PSEUDOREF $A $B 2>err &&
 464         test_path_is_missing .git/PSEUDOREF &&
 465         grep "could not read ref" err
 466 '
 467
 468 test_expect_success 'create pseudoref' '
 469         git update-ref PSEUDOREF $A &&
 470         test $A = $(cat .git/PSEUDOREF)
 471 '
 472
 473 test_expect_success 'overwrite pseudoref with no old value given' '
 474         git update-ref PSEUDOREF $B &&
 475         test $B = $(cat .git/PSEUDOREF)
 476 '
 477
 478 test_expect_success 'overwrite pseudoref with correct old value' '
 479         git update-ref PSEUDOREF $C $B &&
 480         test $C = $(cat .git/PSEUDOREF)
 481 '
 482
 483 test_expect_success 'do not overwrite pseudoref with wrong old value' '
 484         test_must_fail git update-ref PSEUDOREF $D $E 2>err &&
 485         test $C = $(cat .git/PSEUDOREF) &&
 486         grep "unexpected object ID" err
 487 '
 488
 489 test_expect_success 'delete pseudoref' '
 490         git update-ref -d PSEUDOREF &&
 491         test_path_is_missing .git/PSEUDOREF
 492 '
 493
 494 test_expect_success 'do not delete pseudoref with wrong old value' '
 495         git update-ref PSEUDOREF $A &&
 496         test_must_fail git update-ref -d PSEUDOREF $B 2>err &&
 497         test $A = $(cat .git/PSEUDOREF) &&
 498         grep "unexpected object ID" err
 499 '
 500
 501 test_expect_success 'delete pseudoref with correct old value' '
 502         git update-ref -d PSEUDOREF $A &&
 503         test_path_is_missing .git/PSEUDOREF
 504 '
 505
 506 test_expect_success 'create pseudoref with old OID zero' '
 507         git update-ref PSEUDOREF $A $Z &&
 508         test $A = $(cat .git/PSEUDOREF)
 509 '
 510
 511 test_expect_success 'do not overwrite pseudoref with old OID zero' '
 512         test_when_finished git update-ref -d PSEUDOREF &&
 513         test_must_fail git update-ref PSEUDOREF $B $Z 2>err &&
 514         test $A = $(cat .git/PSEUDOREF) &&
 515         grep "already exists" err
 516 '
 517
 518 # Test --stdin
 519
 520 a=refs/heads/a
 521 b=refs/heads/b
 522 c=refs/heads/c
 523 E='""'
 524 F='%s\0'
 525 pws='path with space'
 526
 527 test_expect_success 'stdin test setup' '
 528         echo "$pws" >"$pws" &&
 529         git add -- "$pws" &&
 530         git commit -m "$pws"
 531 '
 532
 533 test_expect_success '-z fails without --stdin' '
 534         test_must_fail git update-ref -z $m $m $m 2>err &&
 535         test_i18ngrep "usage: git update-ref" err
 536 '
 537
 538 test_expect_success 'stdin works with no input' '
 539         >stdin &&
 540         git update-ref --stdin <stdin &&
 541         git rev-parse --verify -q $m
 542 '
 543
 544 test_expect_success 'stdin fails on empty line' '
 545         echo "" >stdin &&
 546         test_must_fail git update-ref --stdin <stdin 2>err &&
 547         grep "fatal: empty command in input" err
 548 '
 549
 550 test_expect_success 'stdin fails on only whitespace' '
 551         echo " " >stdin &&
 552         test_must_fail git update-ref --stdin <stdin 2>err &&
 553         grep "fatal: whitespace before command:  " err
 554 '
 555
 556 test_expect_success 'stdin fails on leading whitespace' '
 557         echo " create $a $m" >stdin &&
 558         test_must_fail git update-ref --stdin <stdin 2>err &&
 559         grep "fatal: whitespace before command:  create $a $m" err
 560 '
 561
 562 test_expect_success 'stdin fails on unknown command' '
 563         echo "unknown $a" >stdin &&
 564         test_must_fail git update-ref --stdin <stdin 2>err &&
 565         grep "fatal: unknown command: unknown $a" err
 566 '
 567
 568 test_expect_success 'stdin fails on unbalanced quotes' '
 569         echo "create $a \"master" >stdin &&
 570         test_must_fail git update-ref --stdin <stdin 2>err &&
 571         grep "fatal: badly quoted argument: \\\"master" err
 572 '
 573
 574 test_expect_success 'stdin fails on invalid escape' '
 575         echo "create $a \"ma\zter\"" >stdin &&
 576         test_must_fail git update-ref --stdin <stdin 2>err &&
 577         grep "fatal: badly quoted argument: \\\"ma\\\\zter\\\"" err
 578 '
 579
 580 test_expect_success 'stdin fails on junk after quoted argument' '
 581         echo "create \"$a\"master" >stdin &&
 582         test_must_fail git update-ref --stdin <stdin 2>err &&
 583         grep "fatal: unexpected character after quoted argument: \\\"$a\\\"master" err
 584 '
 585
 586 test_expect_success 'stdin fails create with no ref' '
 587         echo "create " >stdin &&
 588         test_must_fail git update-ref --stdin <stdin 2>err &&
 589         grep "fatal: create: missing <ref>" err
 590 '
 591
 592 test_expect_success 'stdin fails create with no new value' '
 593         echo "create $a" >stdin &&
 594         test_must_fail git update-ref --stdin <stdin 2>err &&
 595         grep "fatal: create $a: missing <newvalue>" err
 596 '
 597
 598 test_expect_success 'stdin fails create with too many arguments' '
 599         echo "create $a $m $m" >stdin &&
 600         test_must_fail git update-ref --stdin <stdin 2>err &&
 601         grep "fatal: create $a: extra input:  $m" err
 602 '
 603
 604 test_expect_success 'stdin fails update with no ref' '
 605         echo "update " >stdin &&
 606         test_must_fail git update-ref --stdin <stdin 2>err &&
 607         grep "fatal: update: missing <ref>" err
 608 '
 609
 610 test_expect_success 'stdin fails update with no new value' '
 611         echo "update $a" >stdin &&
 612         test_must_fail git update-ref --stdin <stdin 2>err &&
 613         grep "fatal: update $a: missing <newvalue>" err
 614 '
 615
 616 test_expect_success 'stdin fails update with too many arguments' '
 617         echo "update $a $m $m $m" >stdin &&
 618         test_must_fail git update-ref --stdin <stdin 2>err &&
 619         grep "fatal: update $a: extra input:  $m" err
 620 '
 621
 622 test_expect_success 'stdin fails delete with no ref' '
 623         echo "delete " >stdin &&
 624         test_must_fail git update-ref --stdin <stdin 2>err &&
 625         grep "fatal: delete: missing <ref>" err
 626 '
 627
 628 test_expect_success 'stdin fails delete with too many arguments' '
 629         echo "delete $a $m $m" >stdin &&
 630         test_must_fail git update-ref --stdin <stdin 2>err &&
 631         grep "fatal: delete $a: extra input:  $m" err
 632 '
 633
 634 test_expect_success 'stdin fails verify with too many arguments' '
 635         echo "verify $a $m $m" >stdin &&
 636         test_must_fail git update-ref --stdin <stdin 2>err &&
 637         grep "fatal: verify $a: extra input:  $m" err
 638 '
 639
 640 test_expect_success 'stdin fails option with unknown name' '
 641         echo "option unknown" >stdin &&
 642         test_must_fail git update-ref --stdin <stdin 2>err &&
 643         grep "fatal: option unknown: unknown" err
 644 '
 645
 646 test_expect_success 'stdin fails with duplicate refs' '
 647         cat >stdin <<-EOF &&
 648         create $a $m
 649         create $b $m
 650         create $a $m
 651         EOF
 652         test_must_fail git update-ref --stdin <stdin 2>err &&
 653         grep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed." err
 654 '
 655
 656 test_expect_success 'stdin create ref works' '
 657         echo "create $a $m" >stdin &&
 658         git update-ref --stdin <stdin &&
 659         git rev-parse $m >expect &&
 660         git rev-parse $a >actual &&
 661         test_cmp expect actual
 662 '
 663
 664 test_expect_success 'stdin does not create reflogs by default' '
 665         test_when_finished "git update-ref -d $outside" &&
 666         echo "create $outside $m" >stdin &&
 667         git update-ref --stdin <stdin &&
 668         git rev-parse $m >expect &&
 669         git rev-parse $outside >actual &&
 670         test_cmp expect actual &&
 671         test_must_fail git reflog exists $outside
 672 '
 673
 674 test_expect_success 'stdin creates reflogs with --create-reflog' '
 675         test_when_finished "git update-ref -d $outside" &&
 676         echo "create $outside $m" >stdin &&
 677         git update-ref --create-reflog --stdin <stdin &&
 678         git rev-parse $m >expect &&
 679         git rev-parse $outside >actual &&
 680         test_cmp expect actual &&
 681         git reflog exists $outside
 682 '
 683
 684 test_expect_success 'stdin succeeds with quoted argument' '
 685         git update-ref -d $a &&
 686         echo "create $a \"$m\"" >stdin &&
 687         git update-ref --stdin <stdin &&
 688         git rev-parse $m >expect &&
 689         git rev-parse $a >actual &&
 690         test_cmp expect actual
 691 '
 692
 693 test_expect_success 'stdin succeeds with escaped character' '
 694         git update-ref -d $a &&
 695         echo "create $a \"ma\\163ter\"" >stdin &&
 696         git update-ref --stdin <stdin &&
 697         git rev-parse $m >expect &&
 698         git rev-parse $a >actual &&
 699         test_cmp expect actual
 700 '
 701
 702 test_expect_success 'stdin update ref creates with zero old value' '
 703         echo "update $b $m $Z" >stdin &&
 704         git update-ref --stdin <stdin &&
 705         git rev-parse $m >expect &&
 706         git rev-parse $b >actual &&
 707         test_cmp expect actual &&
 708         git update-ref -d $b
 709 '
 710
 711 test_expect_success 'stdin update ref creates with empty old value' '
 712         echo "update $b $m $E" >stdin &&
 713         git update-ref --stdin <stdin &&
 714         git rev-parse $m >expect &&
 715         git rev-parse $b >actual &&
 716         test_cmp expect actual
 717 '
 718
 719 test_expect_success 'stdin create ref works with path with space to blob' '
 720         echo "create refs/blobs/pws \"$m:$pws\"" >stdin &&
 721         git update-ref --stdin <stdin &&
 722         git rev-parse "$m:$pws" >expect &&
 723         git rev-parse refs/blobs/pws >actual &&
 724         test_cmp expect actual &&
 725         git update-ref -d refs/blobs/pws
 726 '
 727
 728 test_expect_success 'stdin update ref fails with wrong old value' '
 729         echo "update $c $m $m~1" >stdin &&
 730         test_must_fail git update-ref --stdin <stdin 2>err &&
 731         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 732         test_must_fail git rev-parse --verify -q $c
 733 '
 734
 735 test_expect_success 'stdin update ref fails with bad old value' '
 736         echo "update $c $m does-not-exist" >stdin &&
 737         test_must_fail git update-ref --stdin <stdin 2>err &&
 738         grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
 739         test_must_fail git rev-parse --verify -q $c
 740 '
 741
 742 test_expect_success 'stdin create ref fails with bad new value' '
 743         echo "create $c does-not-exist" >stdin &&
 744         test_must_fail git update-ref --stdin <stdin 2>err &&
 745         grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
 746         test_must_fail git rev-parse --verify -q $c
 747 '
 748
 749 test_expect_success 'stdin create ref fails with zero new value' '
 750         echo "create $c " >stdin &&
 751         test_must_fail git update-ref --stdin <stdin 2>err &&
 752         grep "fatal: create $c: zero <newvalue>" err &&
 753         test_must_fail git rev-parse --verify -q $c
 754 '
 755
 756 test_expect_success 'stdin update ref works with right old value' '
 757         echo "update $b $m~1 $m" >stdin &&
 758         git update-ref --stdin <stdin &&
 759         git rev-parse $m~1 >expect &&
 760         git rev-parse $b >actual &&
 761         test_cmp expect actual
 762 '
 763
 764 test_expect_success 'stdin delete ref fails with wrong old value' '
 765         echo "delete $a $m~1" >stdin &&
 766         test_must_fail git update-ref --stdin <stdin 2>err &&
 767         grep "fatal: cannot lock ref '"'"'$a'"'"'" err &&
 768         git rev-parse $m >expect &&
 769         git rev-parse $a >actual &&
 770         test_cmp expect actual
 771 '
 772
 773 test_expect_success 'stdin delete ref fails with zero old value' '
 774         echo "delete $a " >stdin &&
 775         test_must_fail git update-ref --stdin <stdin 2>err &&
 776         grep "fatal: delete $a: zero <oldvalue>" err &&
 777         git rev-parse $m >expect &&
 778         git rev-parse $a >actual &&
 779         test_cmp expect actual
 780 '
 781
 782 test_expect_success 'stdin update symref works option no-deref' '
 783         git symbolic-ref TESTSYMREF $b &&
 784         cat >stdin <<-EOF &&
 785         option no-deref
 786         update TESTSYMREF $a $b
 787         EOF
 788         git update-ref --stdin <stdin &&
 789         git rev-parse TESTSYMREF >expect &&
 790         git rev-parse $a >actual &&
 791         test_cmp expect actual &&
 792         git rev-parse $m~1 >expect &&
 793         git rev-parse $b >actual &&
 794         test_cmp expect actual
 795 '
 796
 797 test_expect_success 'stdin delete symref works option no-deref' '
 798         git symbolic-ref TESTSYMREF $b &&
 799         cat >stdin <<-EOF &&
 800         option no-deref
 801         delete TESTSYMREF $b
 802         EOF
 803         git update-ref --stdin <stdin &&
 804         test_must_fail git rev-parse --verify -q TESTSYMREF &&
 805         git rev-parse $m~1 >expect &&
 806         git rev-parse $b >actual &&
 807         test_cmp expect actual
 808 '
 809
 810 test_expect_success 'stdin delete ref works with right old value' '
 811         echo "delete $b $m~1" >stdin &&
 812         git update-ref --stdin <stdin &&
 813         test_must_fail git rev-parse --verify -q $b
 814 '
 815
 816 test_expect_success 'stdin update/create/verify combination works' '
 817         cat >stdin <<-EOF &&
 818         update $a $m
 819         create $b $m
 820         verify $c
 821         EOF
 822         git update-ref --stdin <stdin &&
 823         git rev-parse $m >expect &&
 824         git rev-parse $a >actual &&
 825         test_cmp expect actual &&
 826         git rev-parse $b >actual &&
 827         test_cmp expect actual &&
 828         test_must_fail git rev-parse --verify -q $c
 829 '
 830
 831 test_expect_success 'stdin verify succeeds for correct value' '
 832         git rev-parse $m >expect &&
 833         echo "verify $m $m" >stdin &&
 834         git update-ref --stdin <stdin &&
 835         git rev-parse $m >actual &&
 836         test_cmp expect actual
 837 '
 838
 839 test_expect_success 'stdin verify succeeds for missing reference' '
 840         echo "verify refs/heads/missing $Z" >stdin &&
 841         git update-ref --stdin <stdin &&
 842         test_must_fail git rev-parse --verify -q refs/heads/missing
 843 '
 844
 845 test_expect_success 'stdin verify treats no value as missing' '
 846         echo "verify refs/heads/missing" >stdin &&
 847         git update-ref --stdin <stdin &&
 848         test_must_fail git rev-parse --verify -q refs/heads/missing
 849 '
 850
 851 test_expect_success 'stdin verify fails for wrong value' '
 852         git rev-parse $m >expect &&
 853         echo "verify $m $m~1" >stdin &&
 854         test_must_fail git update-ref --stdin <stdin &&
 855         git rev-parse $m >actual &&
 856         test_cmp expect actual
 857 '
 858
 859 test_expect_success 'stdin verify fails for mistaken null value' '
 860         git rev-parse $m >expect &&
 861         echo "verify $m $Z" >stdin &&
 862         test_must_fail git update-ref --stdin <stdin &&
 863         git rev-parse $m >actual &&
 864         test_cmp expect actual
 865 '
 866
 867 test_expect_success 'stdin verify fails for mistaken empty value' '
 868         M=$(git rev-parse $m) &&
 869         test_when_finished "git update-ref $m $M" &&
 870         git rev-parse $m >expect &&
 871         echo "verify $m" >stdin &&
 872         test_must_fail git update-ref --stdin <stdin &&
 873         git rev-parse $m >actual &&
 874         test_cmp expect actual
 875 '
 876
 877 test_expect_success 'stdin update refs works with identity updates' '
 878         cat >stdin <<-EOF &&
 879         update $a $m $m
 880         update $b $m $m
 881         update $c $Z $E
 882         EOF
 883         git update-ref --stdin <stdin &&
 884         git rev-parse $m >expect &&
 885         git rev-parse $a >actual &&
 886         test_cmp expect actual &&
 887         git rev-parse $b >actual &&
 888         test_cmp expect actual &&
 889         test_must_fail git rev-parse --verify -q $c
 890 '
 891
 892 test_expect_success 'stdin update refs fails with wrong old value' '
 893         git update-ref $c $m &&
 894         cat >stdin <<-EOF &&
 895         update $a $m $m
 896         update $b $m $m
 897         update $c  ''
 898         EOF
 899         test_must_fail git update-ref --stdin <stdin 2>err &&
 900         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
 901         git rev-parse $m >expect &&
 902         git rev-parse $a >actual &&
 903         test_cmp expect actual &&
 904         git rev-parse $b >actual &&
 905         test_cmp expect actual &&
 906         git rev-parse $c >actual &&
 907         test_cmp expect actual
 908 '
 909
 910 test_expect_success 'stdin delete refs works with packed and loose refs' '
 911         git pack-refs --all &&
 912         git update-ref $c $m~1 &&
 913         cat >stdin <<-EOF &&
 914         delete $a $m
 915         update $b $Z $m
 916         update $c $E $m~1
 917         EOF
 918         git update-ref --stdin <stdin &&
 919         test_must_fail git rev-parse --verify -q $a &&
 920         test_must_fail git rev-parse --verify -q $b &&
 921         test_must_fail git rev-parse --verify -q $c
 922 '
 923
 924 test_expect_success 'stdin -z works on empty input' '
 925         >stdin &&
 926         git update-ref -z --stdin <stdin &&
 927         git rev-parse --verify -q $m
 928 '
 929
 930 test_expect_success 'stdin -z fails on empty line' '
 931         echo "" >stdin &&
 932         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 933         grep "fatal: whitespace before command: " err
 934 '
 935
 936 test_expect_success 'stdin -z fails on empty command' '
 937         printf $F "" >stdin &&
 938         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 939         grep "fatal: empty command in input" err
 940 '
 941
 942 test_expect_success 'stdin -z fails on only whitespace' '
 943         printf $F " " >stdin &&
 944         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 945         grep "fatal: whitespace before command:  " err
 946 '
 947
 948 test_expect_success 'stdin -z fails on leading whitespace' '
 949         printf $F " create $a" "$m" >stdin &&
 950         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 951         grep "fatal: whitespace before command:  create $a" err
 952 '
 953
 954 test_expect_success 'stdin -z fails on unknown command' '
 955         printf $F "unknown $a" >stdin &&
 956         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 957         grep "fatal: unknown command: unknown $a" err
 958 '
 959
 960 test_expect_success 'stdin -z fails create with no ref' '
 961         printf $F "create " >stdin &&
 962         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 963         grep "fatal: create: missing <ref>" err
 964 '
 965
 966 test_expect_success 'stdin -z fails create with no new value' '
 967         printf $F "create $a" >stdin &&
 968         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 969         grep "fatal: create $a: unexpected end of input when reading <newvalue>" err
 970 '
 971
 972 test_expect_success 'stdin -z fails create with too many arguments' '
 973         printf $F "create $a" "$m" "$m" >stdin &&
 974         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 975         grep "fatal: unknown command: $m" err
 976 '
 977
 978 test_expect_success 'stdin -z fails update with no ref' '
 979         printf $F "update " >stdin &&
 980         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 981         grep "fatal: update: missing <ref>" err
 982 '
 983
 984 test_expect_success 'stdin -z fails update with too few args' '
 985         printf $F "update $a" "$m" >stdin &&
 986         test_must_fail git update-ref -z --stdin <stdin 2>err &&
 987         grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
 988 '
 989
 990 test_expect_success 'stdin -z emits warning with empty new value' '
 991         git update-ref $a $m &&
 992         printf $F "update $a" "" "" >stdin &&
 993         git update-ref -z --stdin <stdin 2>err &&
 994         grep "warning: update $a: missing <newvalue>, treating as zero" err &&
 995         test_must_fail git rev-parse --verify -q $a
 996 '
 997
 998 test_expect_success 'stdin -z fails update with no new value' '
 999         printf $F "update $a" >stdin &&
1000         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1001         grep "fatal: update $a: unexpected end of input when reading <newvalue>" err
1002 '
1003
1004 test_expect_success 'stdin -z fails update with no old value' '
1005         printf $F "update $a" "$m" >stdin &&
1006         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1007         grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
1008 '
1009
1010 test_expect_success 'stdin -z fails update with too many arguments' '
1011         printf $F "update $a" "$m" "$m" "$m" >stdin &&
1012         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1013         grep "fatal: unknown command: $m" err
1014 '
1015
1016 test_expect_success 'stdin -z fails delete with no ref' '
1017         printf $F "delete " >stdin &&
1018         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1019         grep "fatal: delete: missing <ref>" err
1020 '
1021
1022 test_expect_success 'stdin -z fails delete with no old value' '
1023         printf $F "delete $a" >stdin &&
1024         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1025         grep "fatal: delete $a: unexpected end of input when reading <oldvalue>" err
1026 '
1027
1028 test_expect_success 'stdin -z fails delete with too many arguments' '
1029         printf $F "delete $a" "$m" "$m" >stdin &&
1030         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1031         grep "fatal: unknown command: $m" err
1032 '
1033
1034 test_expect_success 'stdin -z fails verify with too many arguments' '
1035         printf $F "verify $a" "$m" "$m" >stdin &&
1036         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1037         grep "fatal: unknown command: $m" err
1038 '
1039
1040 test_expect_success 'stdin -z fails verify with no old value' '
1041         printf $F "verify $a" >stdin &&
1042         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1043         grep "fatal: verify $a: unexpected end of input when reading <oldvalue>" err
1044 '
1045
1046 test_expect_success 'stdin -z fails option with unknown name' '
1047         printf $F "option unknown" >stdin &&
1048         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1049         grep "fatal: option unknown: unknown" err
1050 '
1051
1052 test_expect_success 'stdin -z fails with duplicate refs' '
1053         printf $F "create $a" "$m" "create $b" "$m" "create $a" "$m" >stdin &&
1054         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1055         grep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed." err
1056 '
1057
1058 test_expect_success 'stdin -z create ref works' '
1059         printf $F "create $a" "$m" >stdin &&
1060         git update-ref -z --stdin <stdin &&
1061         git rev-parse $m >expect &&
1062         git rev-parse $a >actual &&
1063         test_cmp expect actual
1064 '
1065
1066 test_expect_success 'stdin -z update ref creates with zero old value' '
1067         printf $F "update $b" "$m" "$Z" >stdin &&
1068         git update-ref -z --stdin <stdin &&
1069         git rev-parse $m >expect &&
1070         git rev-parse $b >actual &&
1071         test_cmp expect actual &&
1072         git update-ref -d $b
1073 '
1074
1075 test_expect_success 'stdin -z update ref creates with empty old value' '
1076         printf $F "update $b" "$m" "" >stdin &&
1077         git update-ref -z --stdin <stdin &&
1078         git rev-parse $m >expect &&
1079         git rev-parse $b >actual &&
1080         test_cmp expect actual
1081 '
1082
1083 test_expect_success 'stdin -z create ref works with path with space to blob' '
1084         printf $F "create refs/blobs/pws" "$m:$pws" >stdin &&
1085         git update-ref -z --stdin <stdin &&
1086         git rev-parse "$m:$pws" >expect &&
1087         git rev-parse refs/blobs/pws >actual &&
1088         test_cmp expect actual &&
1089         git update-ref -d refs/blobs/pws
1090 '
1091
1092 test_expect_success 'stdin -z update ref fails with wrong old value' '
1093         printf $F "update $c" "$m" "$m~1" >stdin &&
1094         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1095         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1096         test_must_fail git rev-parse --verify -q $c
1097 '
1098
1099 test_expect_success 'stdin -z update ref fails with bad old value' '
1100         printf $F "update $c" "$m" "does-not-exist" >stdin &&
1101         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1102         grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
1103         test_must_fail git rev-parse --verify -q $c
1104 '
1105
1106 test_expect_success 'stdin -z create ref fails when ref exists' '
1107         git update-ref $c $m &&
1108         git rev-parse "$c" >expect &&
1109         printf $F "create $c" "$m~1" >stdin &&
1110         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1111         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1112         git rev-parse "$c" >actual &&
1113         test_cmp expect actual
1114 '
1115
1116 test_expect_success 'stdin -z create ref fails with bad new value' '
1117         git update-ref -d "$c" &&
1118         printf $F "create $c" "does-not-exist" >stdin &&
1119         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1120         grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
1121         test_must_fail git rev-parse --verify -q $c
1122 '
1123
1124 test_expect_success 'stdin -z create ref fails with empty new value' '
1125         printf $F "create $c" "" >stdin &&
1126         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1127         grep "fatal: create $c: missing <newvalue>" err &&
1128         test_must_fail git rev-parse --verify -q $c
1129 '
1130
1131 test_expect_success 'stdin -z update ref works with right old value' '
1132         printf $F "update $b" "$m~1" "$m" >stdin &&
1133         git update-ref -z --stdin <stdin &&
1134         git rev-parse $m~1 >expect &&
1135         git rev-parse $b >actual &&
1136         test_cmp expect actual
1137 '
1138
1139 test_expect_success 'stdin -z delete ref fails with wrong old value' '
1140         printf $F "delete $a" "$m~1" >stdin &&
1141         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1142         grep "fatal: cannot lock ref '"'"'$a'"'"'" err &&
1143         git rev-parse $m >expect &&
1144         git rev-parse $a >actual &&
1145         test_cmp expect actual
1146 '
1147
1148 test_expect_success 'stdin -z delete ref fails with zero old value' '
1149         printf $F "delete $a" "$Z" >stdin &&
1150         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1151         grep "fatal: delete $a: zero <oldvalue>" err &&
1152         git rev-parse $m >expect &&
1153         git rev-parse $a >actual &&
1154         test_cmp expect actual
1155 '
1156
1157 test_expect_success 'stdin -z update symref works option no-deref' '
1158         git symbolic-ref TESTSYMREF $b &&
1159         printf $F "option no-deref" "update TESTSYMREF" "$a" "$b" >stdin &&
1160         git update-ref -z --stdin <stdin &&
1161         git rev-parse TESTSYMREF >expect &&
1162         git rev-parse $a >actual &&
1163         test_cmp expect actual &&
1164         git rev-parse $m~1 >expect &&
1165         git rev-parse $b >actual &&
1166         test_cmp expect actual
1167 '
1168
1169 test_expect_success 'stdin -z delete symref works option no-deref' '
1170         git symbolic-ref TESTSYMREF $b &&
1171         printf $F "option no-deref" "delete TESTSYMREF" "$b" >stdin &&
1172         git update-ref -z --stdin <stdin &&
1173         test_must_fail git rev-parse --verify -q TESTSYMREF &&
1174         git rev-parse $m~1 >expect &&
1175         git rev-parse $b >actual &&
1176         test_cmp expect actual
1177 '
1178
1179 test_expect_success 'stdin -z delete ref works with right old value' '
1180         printf $F "delete $b" "$m~1" >stdin &&
1181         git update-ref -z --stdin <stdin &&
1182         test_must_fail git rev-parse --verify -q $b
1183 '
1184
1185 test_expect_success 'stdin -z update/create/verify combination works' '
1186         printf $F "update $a" "$m" "" "create $b" "$m" "verify $c" "" >stdin &&
1187         git update-ref -z --stdin <stdin &&
1188         git rev-parse $m >expect &&
1189         git rev-parse $a >actual &&
1190         test_cmp expect actual &&
1191         git rev-parse $b >actual &&
1192         test_cmp expect actual &&
1193         test_must_fail git rev-parse --verify -q $c
1194 '
1195
1196 test_expect_success 'stdin -z verify succeeds for correct value' '
1197         git rev-parse $m >expect &&
1198         printf $F "verify $m" "$m" >stdin &&
1199         git update-ref -z --stdin <stdin &&
1200         git rev-parse $m >actual &&
1201         test_cmp expect actual
1202 '
1203
1204 test_expect_success 'stdin -z verify succeeds for missing reference' '
1205         printf $F "verify refs/heads/missing" "$Z" >stdin &&
1206         git update-ref -z --stdin <stdin &&
1207         test_must_fail git rev-parse --verify -q refs/heads/missing
1208 '
1209
1210 test_expect_success 'stdin -z verify treats no value as missing' '
1211         printf $F "verify refs/heads/missing" "" >stdin &&
1212         git update-ref -z --stdin <stdin &&
1213         test_must_fail git rev-parse --verify -q refs/heads/missing
1214 '
1215
1216 test_expect_success 'stdin -z verify fails for wrong value' '
1217         git rev-parse $m >expect &&
1218         printf $F "verify $m" "$m~1" >stdin &&
1219         test_must_fail git update-ref -z --stdin <stdin &&
1220         git rev-parse $m >actual &&
1221         test_cmp expect actual
1222 '
1223
1224 test_expect_success 'stdin -z verify fails for mistaken null value' '
1225         git rev-parse $m >expect &&
1226         printf $F "verify $m" "$Z" >stdin &&
1227         test_must_fail git update-ref -z --stdin <stdin &&
1228         git rev-parse $m >actual &&
1229         test_cmp expect actual
1230 '
1231
1232 test_expect_success 'stdin -z verify fails for mistaken empty value' '
1233         M=$(git rev-parse $m) &&
1234         test_when_finished "git update-ref $m $M" &&
1235         git rev-parse $m >expect &&
1236         printf $F "verify $m" "" >stdin &&
1237         test_must_fail git update-ref -z --stdin <stdin &&
1238         git rev-parse $m >actual &&
1239         test_cmp expect actual
1240 '
1241
1242 test_expect_success 'stdin -z update refs works with identity updates' '
1243         printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$Z" "" >stdin &&
1244         git update-ref -z --stdin <stdin &&
1245         git rev-parse $m >expect &&
1246         git rev-parse $a >actual &&
1247         test_cmp expect actual &&
1248         git rev-parse $b >actual &&
1249         test_cmp expect actual &&
1250         test_must_fail git rev-parse --verify -q $c
1251 '
1252
1253 test_expect_success 'stdin -z update refs fails with wrong old value' '
1254         git update-ref $c $m &&
1255         printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$m" "$Z" >stdin &&
1256         test_must_fail git update-ref -z --stdin <stdin 2>err &&
1257         grep "fatal: cannot lock ref '"'"'$c'"'"'" err &&
1258         git rev-parse $m >expect &&
1259         git rev-parse $a >actual &&
1260         test_cmp expect actual &&
1261         git rev-parse $b >actual &&
1262         test_cmp expect actual &&
1263         git rev-parse $c >actual &&
1264         test_cmp expect actual
1265 '
1266
1267 test_expect_success 'stdin -z delete refs works with packed and loose refs' '
1268         git pack-refs --all &&
1269         git update-ref $c $m~1 &&
1270         printf $F "delete $a" "$m" "update $b" "$Z" "$m" "update $c" "" "$m~1" >stdin &&
1271         git update-ref -z --stdin <stdin &&
1272         test_must_fail git rev-parse --verify -q $a &&
1273         test_must_fail git rev-parse --verify -q $b &&
1274         test_must_fail git rev-parse --verify -q $c
1275 '
1276
1277 test_expect_success 'fails with duplicate HEAD update' '
1278         git branch target1 $A &&
1279         git checkout target1 &&
1280         cat >stdin <<-EOF &&
1281         update refs/heads/target1 $C
1282         option no-deref
1283         update HEAD $B
1284         EOF
1285         test_must_fail git update-ref --stdin <stdin 2>err &&
1286         grep "fatal: multiple updates for '\''HEAD'\'' (including one via its referent .refs/heads/target1.) are not allowed" err &&
1287         echo "refs/heads/target1" >expect &&
1288         git symbolic-ref HEAD >actual &&
1289         test_cmp expect actual &&
1290         echo "$A" >expect &&
1291         git rev-parse refs/heads/target1 >actual &&
1292         test_cmp expect actual
1293 '
1294
1295 test_expect_success 'fails with duplicate ref update via symref' '
1296         git branch target2 $A &&
1297         git symbolic-ref refs/heads/symref2 refs/heads/target2 &&
1298         cat >stdin <<-EOF &&
1299         update refs/heads/target2 $C
1300         update refs/heads/symref2 $B
1301         EOF
1302         test_must_fail git update-ref --stdin <stdin 2>err &&
1303         grep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err &&
1304         echo "refs/heads/target2" >expect &&
1305         git symbolic-ref refs/heads/symref2 >actual &&
1306         test_cmp expect actual &&
1307         echo "$A" >expect &&
1308         git rev-parse refs/heads/target2 >actual &&
1309         test_cmp expect actual
1310 '
1311
1312 run_with_limited_open_files () {
1313         (ulimit -n 32 && "$@")
1314 }
1315
1316 test_lazy_prereq ULIMIT_FILE_DESCRIPTORS '
1317         test_have_prereq !MINGW,!CYGWIN &&
1318         run_with_limited_open_files true
1319 '
1320
1321 test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction creating branches does not burst open file limit' '
1322 (
1323         for i in $(test_seq 33)
1324         do
1325                 echo "create refs/heads/$i HEAD"
1326         done >large_input &&
1327         run_with_limited_open_files git update-ref --stdin <large_input &&
1328         git rev-parse --verify -q refs/heads/33
1329 )
1330 '
1331
1332 test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction deleting branches does not burst open file limit' '
1333 (
1334         for i in $(test_seq 33)
1335         do
1336                 echo "delete refs/heads/$i HEAD"
1337         done >large_input &&
1338         run_with_limited_open_files git update-ref --stdin <large_input &&
1339         test_must_fail git rev-parse --verify -q refs/heads/33
1340 )
1341 '
1342
1343 test_expect_success 'handle per-worktree refs in refs/bisect' '
1344         git commit --allow-empty -m "initial commit" &&
1345         git worktree add -b branch worktree &&
1346         (
1347                 cd worktree &&
1348                 git commit --allow-empty -m "test commit"  &&
1349                 git for-each-ref >for-each-ref.out &&
1350                 ! grep refs/bisect for-each-ref.out &&
1351                 git update-ref refs/bisect/something HEAD &&
1352                 git rev-parse refs/bisect/something >../worktree-head &&
1353                 git for-each-ref | grep refs/bisect/something
1354         ) &&
1355         test_path_is_missing .git/refs/bisect &&
1356         test_must_fail git rev-parse refs/bisect/something &&
1357         git update-ref refs/bisect/something HEAD &&
1358         git rev-parse refs/bisect/something >main-head &&
1359         ! test_cmp main-head worktree-head
1360 '
1361
1362 test_done