Andrew's git - gitweb.git/blob - t/t1400-update-ref.sh

   1#!/bin/sh
   2#
   3# Copyright (c) 2006 Shawn Pearce
   4#
   5
   6test_description='Test git update-ref and basic ref logging'
   7. ./test-lib.sh
   8
   9Z=$_z40
  10
  11test_expect_success setup '
  12
  13        for name in A B C D E F
  14        do
  15                test_tick &&
  16                T=$(git write-tree) &&
  17                sha1=$(echo $name | git commit-tree $T) &&
  18                eval $name=$sha1
  19        done
  20
  21'
  22
  23m=refs/heads/master
  24n_dir=refs/heads/gu
  25n=$n_dir/fixes
  26
  27test_expect_success \
  28        "create $m" \
  29        "git update-ref $m $A &&
  30         test $A"' = $(cat .git/'"$m"')'
  31test_expect_success \
  32        "create $m" \
  33        "git update-ref $m $B $A &&
  34         test $B"' = $(cat .git/'"$m"')'
  35test_expect_success "fail to delete $m with stale ref" '
  36        test_must_fail git update-ref -d $m $A &&
  37        test $B = "$(cat .git/$m)"
  38'
  39test_expect_success "delete $m" '
  40        git update-ref -d $m $B &&
  41        ! test -f .git/$m
  42'
  43rm -f .git/$m
  44
  45test_expect_success "delete $m without oldvalue verification" "
  46        git update-ref $m $A &&
  47        test $A = \$(cat .git/$m) &&
  48        git update-ref -d $m &&
  49        ! test -f .git/$m
  50"
  51rm -f .git/$m
  52
  53test_expect_success \
  54        "fail to create $n" \
  55        "touch .git/$n_dir &&
  56         test_must_fail git update-ref $n $A >out 2>err"
  57rm -f .git/$n_dir out err
  58
  59test_expect_success \
  60        "create $m (by HEAD)" \
  61        "git update-ref HEAD $A &&
  62         test $A"' = $(cat .git/'"$m"')'
  63test_expect_success \
  64        "create $m (by HEAD)" \
  65        "git update-ref HEAD $B $A &&
  66         test $B"' = $(cat .git/'"$m"')'
  67test_expect_success "fail to delete $m (by HEAD) with stale ref" '
  68        test_must_fail git update-ref -d HEAD $A &&
  69        test $B = $(cat .git/$m)
  70'
  71test_expect_success "delete $m (by HEAD)" '
  72        git update-ref -d HEAD $B &&
  73        ! test -f .git/$m
  74'
  75rm -f .git/$m
  76
  77test_expect_success \
  78        "create $m (by HEAD)" \
  79        "git update-ref HEAD $A &&
  80         test $A"' = $(cat .git/'"$m"')'
  81test_expect_success \
  82        "pack refs" \
  83        "git pack-refs --all"
  84test_expect_success \
  85        "move $m (by HEAD)" \
  86        "git update-ref HEAD $B $A &&
  87         test $B"' = $(cat .git/'"$m"')'
  88test_expect_success "delete $m (by HEAD) should remove both packed and loose $m" '
  89        git update-ref -d HEAD $B &&
  90        ! grep "$m" .git/packed-refs &&
  91        ! test -f .git/$m
  92'
  93rm -f .git/$m
  94
  95cp -f .git/HEAD .git/HEAD.orig
  96test_expect_success "delete symref without dereference" '
  97        git update-ref --no-deref -d HEAD &&
  98        ! test -f .git/HEAD
  99'
 100cp -f .git/HEAD.orig .git/HEAD
 101
 102test_expect_success "delete symref without dereference when the referred ref is packed" '
 103        echo foo >foo.c &&
 104        git add foo.c &&
 105        git commit -m foo &&
 106        git pack-refs --all &&
 107        git update-ref --no-deref -d HEAD &&
 108        ! test -f .git/HEAD
 109'
 110cp -f .git/HEAD.orig .git/HEAD
 111git update-ref -d $m
 112
 113test_expect_success 'update-ref -d is not confused by self-reference' '
 114        git symbolic-ref refs/heads/self refs/heads/self &&
 115        test_when_finished "rm -f .git/refs/heads/self" &&
 116        test_path_is_file .git/refs/heads/self &&
 117        test_must_fail git update-ref -d refs/heads/self &&
 118        test_path_is_file .git/refs/heads/self
 119'
 120
 121test_expect_success 'update-ref --no-deref -d can delete self-reference' '
 122        git symbolic-ref refs/heads/self refs/heads/self &&
 123        test_when_finished "rm -f .git/refs/heads/self" &&
 124        test_path_is_file .git/refs/heads/self &&
 125        git update-ref --no-deref -d refs/heads/self &&
 126        test_path_is_missing .git/refs/heads/self
 127'
 128
 129test_expect_success 'update-ref --no-deref -d can delete reference to bad ref' '
 130        >.git/refs/heads/bad &&
 131        test_when_finished "rm -f .git/refs/heads/bad" &&
 132        git symbolic-ref refs/heads/ref-to-bad refs/heads/bad &&
 133        test_when_finished "rm -f .git/refs/heads/ref-to-bad" &&
 134        test_path_is_file .git/refs/heads/ref-to-bad &&
 135        git update-ref --no-deref -d refs/heads/ref-to-bad &&
 136        test_path_is_missing .git/refs/heads/ref-to-bad
 137'
 138
 139test_expect_success '(not) create HEAD with old sha1' "
 140        test_must_fail git update-ref HEAD $A $B
 141"
 142test_expect_success "(not) prior created .git/$m" "
 143        ! test -f .git/$m
 144"
 145rm -f .git/$m
 146
 147test_expect_success \
 148        "create HEAD" \
 149        "git update-ref HEAD $A"
 150test_expect_success '(not) change HEAD with wrong SHA1' "
 151        test_must_fail git update-ref HEAD $B $Z
 152"
 153test_expect_success "(not) changed .git/$m" "
 154        ! test $B"' = $(cat .git/'"$m"')
 155'
 156rm -f .git/$m
 157
 158: a repository with working tree always has reflog these days...
 159: >.git/logs/refs/heads/master
 160test_expect_success \
 161        "create $m (logged by touch)" \
 162        'GIT_COMMITTER_DATE="2005-05-26 23:30" \
 163         git update-ref HEAD '"$A"' -m "Initial Creation" &&
 164         test '"$A"' = $(cat .git/'"$m"')'
 165test_expect_success \
 166        "update $m (logged by touch)" \
 167        'GIT_COMMITTER_DATE="2005-05-26 23:31" \
 168         git update-ref HEAD'" $B $A "'-m "Switch" &&
 169         test '"$B"' = $(cat .git/'"$m"')'
 170test_expect_success \
 171        "set $m (logged by touch)" \
 172        'GIT_COMMITTER_DATE="2005-05-26 23:41" \
 173         git update-ref HEAD'" $A &&
 174         test $A"' = $(cat .git/'"$m"')'
 175
 176cat >expect <<EOF
 177$Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000       Initial Creation
 178$A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150260 +0000       Switch
 179$B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000
 180EOF
 181test_expect_success \
 182        "verifying $m's log" \
 183        "test_cmp expect .git/logs/$m"
 184rm -rf .git/$m .git/logs expect
 185
 186test_expect_success \
 187        'enable core.logAllRefUpdates' \
 188        'git config core.logAllRefUpdates true &&
 189         test true = $(git config --bool --get core.logAllRefUpdates)'
 190
 191test_expect_success \
 192        "create $m (logged by config)" \
 193        'GIT_COMMITTER_DATE="2005-05-26 23:32" \
 194         git update-ref HEAD'" $A "'-m "Initial Creation" &&
 195         test '"$A"' = $(cat .git/'"$m"')'
 196test_expect_success \
 197        "update $m (logged by config)" \
 198        'GIT_COMMITTER_DATE="2005-05-26 23:33" \
 199         git update-ref HEAD'" $B $A "'-m "Switch" &&
 200         test '"$B"' = $(cat .git/'"$m"')'
 201test_expect_success \
 202        "set $m (logged by config)" \
 203        'GIT_COMMITTER_DATE="2005-05-26 23:43" \
 204         git update-ref HEAD '"$A &&
 205         test $A"' = $(cat .git/'"$m"')'
 206
 207cat >expect <<EOF
 208$Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 +0000       Initial Creation
 209$A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 +0000       Switch
 210$B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 +0000
 211EOF
 212test_expect_success \
 213        "verifying $m's log" \
 214        'test_cmp expect .git/logs/$m'
 215rm -f .git/$m .git/logs/$m expect
 216
 217git update-ref $m $D
 218cat >.git/logs/$m <<EOF
 2190000000000000000000000000000000000000000 $C $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 -0500
 220$C $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150350 -0500
 221$A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 -0500
 222$F $Z $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500
 223$Z $E $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 -0500
 224EOF
 225
 226ed="Thu, 26 May 2005 18:32:00 -0500"
 227gd="Thu, 26 May 2005 18:33:00 -0500"
 228ld="Thu, 26 May 2005 18:43:00 -0500"
 229test_expect_success \
 230        'Query "master@{May 25 2005}" (before history)' \
 231        'rm -f o e &&
 232         git rev-parse --verify "master@{May 25 2005}" >o 2>e &&
 233         test '"$C"' = $(cat o) &&
 234         test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
 235test_expect_success \
 236        "Query master@{2005-05-25} (before history)" \
 237        'rm -f o e &&
 238         git rev-parse --verify master@{2005-05-25} >o 2>e &&
 239         test '"$C"' = $(cat o) &&
 240         echo test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
 241test_expect_success \
 242        'Query "master@{May 26 2005 23:31:59}" (1 second before history)' \
 243        'rm -f o e &&
 244         git rev-parse --verify "master@{May 26 2005 23:31:59}" >o 2>e &&
 245         test '"$C"' = $(cat o) &&
 246         test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)"'
 247test_expect_success \
 248        'Query "master@{May 26 2005 23:32:00}" (exactly history start)' \
 249        'rm -f o e &&
 250         git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e &&
 251         test '"$C"' = $(cat o) &&
 252         test "" = "$(cat e)"'
 253test_expect_success \
 254        'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' \
 255        'rm -f o e &&
 256         git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e &&
 257         test '"$A"' = $(cat o) &&
 258         test "" = "$(cat e)"'
 259test_expect_success \
 260        'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' \
 261        'rm -f o e &&
 262         git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e &&
 263         test '"$B"' = $(cat o) &&
 264         test "warning: Log for ref '"$m has gap after $gd"'." = "$(cat e)"'
 265test_expect_success \
 266        'Query "master@{2005-05-26 23:38:00}" (middle of history)' \
 267        'rm -f o e &&
 268         git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e &&
 269         test '"$Z"' = $(cat o) &&
 270         test "" = "$(cat e)"'
 271test_expect_success \
 272        'Query "master@{2005-05-26 23:43:00}" (exact end of history)' \
 273        'rm -f o e &&
 274         git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e &&
 275         test '"$E"' = $(cat o) &&
 276         test "" = "$(cat e)"'
 277test_expect_success \
 278        'Query "master@{2005-05-28}" (past end of history)' \
 279        'rm -f o e &&
 280         git rev-parse --verify "master@{2005-05-28}" >o 2>e &&
 281         test '"$D"' = $(cat o) &&
 282         test "warning: Log for ref '"$m unexpectedly ended on $ld"'." = "$(cat e)"'
 283
 284
 285rm -f .git/$m .git/logs/$m expect
 286
 287test_expect_success \
 288    'creating initial files' \
 289    'echo TEST >F &&
 290     git add F &&
 291         GIT_AUTHOR_DATE="2005-05-26 23:30" \
 292         GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a &&
 293         h_TEST=$(git rev-parse --verify HEAD) &&
 294         echo The other day this did not work. >M &&
 295         echo And then Bob told me how to fix it. >>M &&
 296         echo OTHER >F &&
 297         GIT_AUTHOR_DATE="2005-05-26 23:41" \
 298         GIT_COMMITTER_DATE="2005-05-26 23:41" git commit -F M -a &&
 299         h_OTHER=$(git rev-parse --verify HEAD) &&
 300         GIT_AUTHOR_DATE="2005-05-26 23:44" \
 301         GIT_COMMITTER_DATE="2005-05-26 23:44" git commit --amend &&
 302         h_FIXED=$(git rev-parse --verify HEAD) &&
 303         echo Merged initial commit and a later commit. >M &&
 304         echo $h_TEST >.git/MERGE_HEAD &&
 305         GIT_AUTHOR_DATE="2005-05-26 23:45" \
 306         GIT_COMMITTER_DATE="2005-05-26 23:45" git commit -F M &&
 307         h_MERGED=$(git rev-parse --verify HEAD) &&
 308         rm -f M'
 309
 310cat >expect <<EOF
 311$Z $h_TEST $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000  commit (initial): add
 312$h_TEST $h_OTHER $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000    commit: The other day this did not work.
 313$h_OTHER $h_FIXED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151040 +0000   commit (amend): The other day this did not work.
 314$h_FIXED $h_MERGED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151100 +0000  commit (merge): Merged initial commit and a later commit.
 315EOF
 316test_expect_success \
 317        'git commit logged updates' \
 318        "test_cmp expect .git/logs/$m"
 319unset h_TEST h_OTHER h_FIXED h_MERGED
 320
 321test_expect_success \
 322        'git cat-file blob master:F (expect OTHER)' \
 323        'test OTHER = $(git cat-file blob master:F)'
 324test_expect_success \
 325        'git cat-file blob master@{2005-05-26 23:30}:F (expect TEST)' \
 326        'test TEST = $(git cat-file blob "master@{2005-05-26 23:30}:F")'
 327test_expect_success \
 328        'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER)' \
 329        'test OTHER = $(git cat-file blob "master@{2005-05-26 23:42}:F")'
 330
 331a=refs/heads/a
 332b=refs/heads/b
 333c=refs/heads/c
 334E='""'
 335F='%s\0'
 336pws='path with space'
 337
 338test_expect_success 'stdin test setup' '
 339        echo "$pws" >"$pws" &&
 340        git add -- "$pws" &&
 341        git commit -m "$pws"
 342'
 343
 344test_expect_success '-z fails without --stdin' '
 345        test_must_fail git update-ref -z $m $m $m 2>err &&
 346        grep "usage: git update-ref" err
 347'
 348
 349test_expect_success 'stdin works with no input' '
 350        >stdin &&
 351        git update-ref --stdin <stdin &&
 352        git rev-parse --verify -q $m
 353'
 354
 355test_expect_success 'stdin fails on empty line' '
 356        echo "" >stdin &&
 357        test_must_fail git update-ref --stdin <stdin 2>err &&
 358        grep "fatal: empty command in input" err
 359'
 360
 361test_expect_success 'stdin fails on only whitespace' '
 362        echo " " >stdin &&
 363        test_must_fail git update-ref --stdin <stdin 2>err &&
 364        grep "fatal: whitespace before command:  " err
 365'
 366
 367test_expect_success 'stdin fails on leading whitespace' '
 368        echo " create $a $m" >stdin &&
 369        test_must_fail git update-ref --stdin <stdin 2>err &&
 370        grep "fatal: whitespace before command:  create $a $m" err
 371'
 372
 373test_expect_success 'stdin fails on unknown command' '
 374        echo "unknown $a" >stdin &&
 375        test_must_fail git update-ref --stdin <stdin 2>err &&
 376        grep "fatal: unknown command: unknown $a" err
 377'
 378
 379test_expect_success 'stdin fails on unbalanced quotes' '
 380        echo "create $a \"master" >stdin &&
 381        test_must_fail git update-ref --stdin <stdin 2>err &&
 382        grep "fatal: badly quoted argument: \\\"master" err
 383'
 384
 385test_expect_success 'stdin fails on invalid escape' '
 386        echo "create $a \"ma\zter\"" >stdin &&
 387        test_must_fail git update-ref --stdin <stdin 2>err &&
 388        grep "fatal: badly quoted argument: \\\"ma\\\\zter\\\"" err
 389'
 390
 391test_expect_success 'stdin fails on junk after quoted argument' '
 392        echo "create \"$a\"master" >stdin &&
 393        test_must_fail git update-ref --stdin <stdin 2>err &&
 394        grep "fatal: unexpected character after quoted argument: \\\"$a\\\"master" err
 395'
 396
 397test_expect_success 'stdin fails create with no ref' '
 398        echo "create " >stdin &&
 399        test_must_fail git update-ref --stdin <stdin 2>err &&
 400        grep "fatal: create: missing <ref>" err
 401'
 402
 403test_expect_success 'stdin fails create with no new value' '
 404        echo "create $a" >stdin &&
 405        test_must_fail git update-ref --stdin <stdin 2>err &&
 406        grep "fatal: create $a: missing <newvalue>" err
 407'
 408
 409test_expect_success 'stdin fails create with too many arguments' '
 410        echo "create $a $m $m" >stdin &&
 411        test_must_fail git update-ref --stdin <stdin 2>err &&
 412        grep "fatal: create $a: extra input:  $m" err
 413'
 414
 415test_expect_success 'stdin fails update with no ref' '
 416        echo "update " >stdin &&
 417        test_must_fail git update-ref --stdin <stdin 2>err &&
 418        grep "fatal: update: missing <ref>" err
 419'
 420
 421test_expect_success 'stdin fails update with no new value' '
 422        echo "update $a" >stdin &&
 423        test_must_fail git update-ref --stdin <stdin 2>err &&
 424        grep "fatal: update $a: missing <newvalue>" err
 425'
 426
 427test_expect_success 'stdin fails update with too many arguments' '
 428        echo "update $a $m $m $m" >stdin &&
 429        test_must_fail git update-ref --stdin <stdin 2>err &&
 430        grep "fatal: update $a: extra input:  $m" err
 431'
 432
 433test_expect_success 'stdin fails delete with no ref' '
 434        echo "delete " >stdin &&
 435        test_must_fail git update-ref --stdin <stdin 2>err &&
 436        grep "fatal: delete: missing <ref>" err
 437'
 438
 439test_expect_success 'stdin fails delete with too many arguments' '
 440        echo "delete $a $m $m" >stdin &&
 441        test_must_fail git update-ref --stdin <stdin 2>err &&
 442        grep "fatal: delete $a: extra input:  $m" err
 443'
 444
 445test_expect_success 'stdin fails verify with too many arguments' '
 446        echo "verify $a $m $m" >stdin &&
 447        test_must_fail git update-ref --stdin <stdin 2>err &&
 448        grep "fatal: verify $a: extra input:  $m" err
 449'
 450
 451test_expect_success 'stdin fails option with unknown name' '
 452        echo "option unknown" >stdin &&
 453        test_must_fail git update-ref --stdin <stdin 2>err &&
 454        grep "fatal: option unknown: unknown" err
 455'
 456
 457test_expect_success 'stdin fails with duplicate refs' '
 458        cat >stdin <<-EOF &&
 459        create $a $m
 460        create $b $m
 461        create $a $m
 462        EOF
 463        test_must_fail git update-ref --stdin <stdin 2>err &&
 464        grep "fatal: Multiple updates for ref '"'"'$a'"'"' not allowed." err
 465'
 466
 467test_expect_success 'stdin create ref works' '
 468        echo "create $a $m" >stdin &&
 469        git update-ref --stdin <stdin &&
 470        git rev-parse $m >expect &&
 471        git rev-parse $a >actual &&
 472        test_cmp expect actual
 473'
 474
 475test_expect_success 'stdin succeeds with quoted argument' '
 476        git update-ref -d $a &&
 477        echo "create $a \"$m\"" >stdin &&
 478        git update-ref --stdin <stdin &&
 479        git rev-parse $m >expect &&
 480        git rev-parse $a >actual &&
 481        test_cmp expect actual
 482'
 483
 484test_expect_success 'stdin succeeds with escaped character' '
 485        git update-ref -d $a &&
 486        echo "create $a \"ma\\163ter\"" >stdin &&
 487        git update-ref --stdin <stdin &&
 488        git rev-parse $m >expect &&
 489        git rev-parse $a >actual &&
 490        test_cmp expect actual
 491'
 492
 493test_expect_success 'stdin update ref creates with zero old value' '
 494        echo "update $b $m $Z" >stdin &&
 495        git update-ref --stdin <stdin &&
 496        git rev-parse $m >expect &&
 497        git rev-parse $b >actual &&
 498        test_cmp expect actual &&
 499        git update-ref -d $b
 500'
 501
 502test_expect_success 'stdin update ref creates with empty old value' '
 503        echo "update $b $m $E" >stdin &&
 504        git update-ref --stdin <stdin &&
 505        git rev-parse $m >expect &&
 506        git rev-parse $b >actual &&
 507        test_cmp expect actual
 508'
 509
 510test_expect_success 'stdin create ref works with path with space to blob' '
 511        echo "create refs/blobs/pws \"$m:$pws\"" >stdin &&
 512        git update-ref --stdin <stdin &&
 513        git rev-parse "$m:$pws" >expect &&
 514        git rev-parse refs/blobs/pws >actual &&
 515        test_cmp expect actual &&
 516        git update-ref -d refs/blobs/pws
 517'
 518
 519test_expect_success 'stdin update ref fails with wrong old value' '
 520        echo "update $c $m $m~1" >stdin &&
 521        test_must_fail git update-ref --stdin <stdin 2>err &&
 522        grep "fatal: Cannot lock ref '"'"'$c'"'"'" err &&
 523        test_must_fail git rev-parse --verify -q $c
 524'
 525
 526test_expect_success 'stdin update ref fails with bad old value' '
 527        echo "update $c $m does-not-exist" >stdin &&
 528        test_must_fail git update-ref --stdin <stdin 2>err &&
 529        grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
 530        test_must_fail git rev-parse --verify -q $c
 531'
 532
 533test_expect_success 'stdin create ref fails with bad new value' '
 534        echo "create $c does-not-exist" >stdin &&
 535        test_must_fail git update-ref --stdin <stdin 2>err &&
 536        grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
 537        test_must_fail git rev-parse --verify -q $c
 538'
 539
 540test_expect_success 'stdin create ref fails with zero new value' '
 541        echo "create $c " >stdin &&
 542        test_must_fail git update-ref --stdin <stdin 2>err &&
 543        grep "fatal: create $c: zero <newvalue>" err &&
 544        test_must_fail git rev-parse --verify -q $c
 545'
 546
 547test_expect_success 'stdin update ref works with right old value' '
 548        echo "update $b $m~1 $m" >stdin &&
 549        git update-ref --stdin <stdin &&
 550        git rev-parse $m~1 >expect &&
 551        git rev-parse $b >actual &&
 552        test_cmp expect actual
 553'
 554
 555test_expect_success 'stdin delete ref fails with wrong old value' '
 556        echo "delete $a $m~1" >stdin &&
 557        test_must_fail git update-ref --stdin <stdin 2>err &&
 558        grep "fatal: Cannot lock ref '"'"'$a'"'"'" err &&
 559        git rev-parse $m >expect &&
 560        git rev-parse $a >actual &&
 561        test_cmp expect actual
 562'
 563
 564test_expect_success 'stdin delete ref fails with zero old value' '
 565        echo "delete $a " >stdin &&
 566        test_must_fail git update-ref --stdin <stdin 2>err &&
 567        grep "fatal: delete $a: zero <oldvalue>" err &&
 568        git rev-parse $m >expect &&
 569        git rev-parse $a >actual &&
 570        test_cmp expect actual
 571'
 572
 573test_expect_success 'stdin update symref works option no-deref' '
 574        git symbolic-ref TESTSYMREF $b &&
 575        cat >stdin <<-EOF &&
 576        option no-deref
 577        update TESTSYMREF $a $b
 578        EOF
 579        git update-ref --stdin <stdin &&
 580        git rev-parse TESTSYMREF >expect &&
 581        git rev-parse $a >actual &&
 582        test_cmp expect actual &&
 583        git rev-parse $m~1 >expect &&
 584        git rev-parse $b >actual &&
 585        test_cmp expect actual
 586'
 587
 588test_expect_success 'stdin delete symref works option no-deref' '
 589        git symbolic-ref TESTSYMREF $b &&
 590        cat >stdin <<-EOF &&
 591        option no-deref
 592        delete TESTSYMREF $b
 593        EOF
 594        git update-ref --stdin <stdin &&
 595        test_must_fail git rev-parse --verify -q TESTSYMREF &&
 596        git rev-parse $m~1 >expect &&
 597        git rev-parse $b >actual &&
 598        test_cmp expect actual
 599'
 600
 601test_expect_success 'stdin delete ref works with right old value' '
 602        echo "delete $b $m~1" >stdin &&
 603        git update-ref --stdin <stdin &&
 604        test_must_fail git rev-parse --verify -q $b
 605'
 606
 607test_expect_success 'stdin update/create/verify combination works' '
 608        cat >stdin <<-EOF &&
 609        update $a $m
 610        create $b $m
 611        verify $c
 612        EOF
 613        git update-ref --stdin <stdin &&
 614        git rev-parse $m >expect &&
 615        git rev-parse $a >actual &&
 616        test_cmp expect actual &&
 617        git rev-parse $b >actual &&
 618        test_cmp expect actual &&
 619        test_must_fail git rev-parse --verify -q $c
 620'
 621
 622test_expect_success 'stdin verify succeeds for correct value' '
 623        git rev-parse $m >expect &&
 624        echo "verify $m $m" >stdin &&
 625        git update-ref --stdin <stdin &&
 626        git rev-parse $m >actual &&
 627        test_cmp expect actual
 628'
 629
 630test_expect_success 'stdin verify succeeds for missing reference' '
 631        echo "verify refs/heads/missing $Z" >stdin &&
 632        git update-ref --stdin <stdin &&
 633        test_must_fail git rev-parse --verify -q refs/heads/missing
 634'
 635
 636test_expect_success 'stdin verify treats no value as missing' '
 637        echo "verify refs/heads/missing" >stdin &&
 638        git update-ref --stdin <stdin &&
 639        test_must_fail git rev-parse --verify -q refs/heads/missing
 640'
 641
 642test_expect_success 'stdin verify fails for wrong value' '
 643        git rev-parse $m >expect &&
 644        echo "verify $m $m~1" >stdin &&
 645        test_must_fail git update-ref --stdin <stdin &&
 646        git rev-parse $m >actual &&
 647        test_cmp expect actual
 648'
 649
 650test_expect_success 'stdin verify fails for mistaken null value' '
 651        git rev-parse $m >expect &&
 652        echo "verify $m $Z" >stdin &&
 653        test_must_fail git update-ref --stdin <stdin &&
 654        git rev-parse $m >actual &&
 655        test_cmp expect actual
 656'
 657
 658test_expect_success 'stdin verify fails for mistaken empty value' '
 659        M=$(git rev-parse $m) &&
 660        test_when_finished "git update-ref $m $M" &&
 661        git rev-parse $m >expect &&
 662        echo "verify $m" >stdin &&
 663        test_must_fail git update-ref --stdin <stdin &&
 664        git rev-parse $m >actual &&
 665        test_cmp expect actual
 666'
 667
 668test_expect_success 'stdin update refs works with identity updates' '
 669        cat >stdin <<-EOF &&
 670        update $a $m $m
 671        update $b $m $m
 672        update $c $Z $E
 673        EOF
 674        git update-ref --stdin <stdin &&
 675        git rev-parse $m >expect &&
 676        git rev-parse $a >actual &&
 677        test_cmp expect actual &&
 678        git rev-parse $b >actual &&
 679        test_cmp expect actual &&
 680        test_must_fail git rev-parse --verify -q $c
 681'
 682
 683test_expect_success 'stdin update refs fails with wrong old value' '
 684        git update-ref $c $m &&
 685        cat >stdin <<-EOF &&
 686        update $a $m $m
 687        update $b $m $m
 688        update $c  ''
 689        EOF
 690        test_must_fail git update-ref --stdin <stdin 2>err &&
 691        grep "fatal: Cannot lock ref '"'"'$c'"'"'" err &&
 692        git rev-parse $m >expect &&
 693        git rev-parse $a >actual &&
 694        test_cmp expect actual &&
 695        git rev-parse $b >actual &&
 696        test_cmp expect actual &&
 697        git rev-parse $c >actual &&
 698        test_cmp expect actual
 699'
 700
 701test_expect_success 'stdin delete refs works with packed and loose refs' '
 702        git pack-refs --all &&
 703        git update-ref $c $m~1 &&
 704        cat >stdin <<-EOF &&
 705        delete $a $m
 706        update $b $Z $m
 707        update $c $E $m~1
 708        EOF
 709        git update-ref --stdin <stdin &&
 710        test_must_fail git rev-parse --verify -q $a &&
 711        test_must_fail git rev-parse --verify -q $b &&
 712        test_must_fail git rev-parse --verify -q $c
 713'
 714
 715test_expect_success 'stdin -z works on empty input' '
 716        >stdin &&
 717        git update-ref -z --stdin <stdin &&
 718        git rev-parse --verify -q $m
 719'
 720
 721test_expect_success 'stdin -z fails on empty line' '
 722        echo "" >stdin &&
 723        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 724        grep "fatal: whitespace before command: " err
 725'
 726
 727test_expect_success 'stdin -z fails on empty command' '
 728        printf $F "" >stdin &&
 729        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 730        grep "fatal: empty command in input" err
 731'
 732
 733test_expect_success 'stdin -z fails on only whitespace' '
 734        printf $F " " >stdin &&
 735        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 736        grep "fatal: whitespace before command:  " err
 737'
 738
 739test_expect_success 'stdin -z fails on leading whitespace' '
 740        printf $F " create $a" "$m" >stdin &&
 741        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 742        grep "fatal: whitespace before command:  create $a" err
 743'
 744
 745test_expect_success 'stdin -z fails on unknown command' '
 746        printf $F "unknown $a" >stdin &&
 747        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 748        grep "fatal: unknown command: unknown $a" err
 749'
 750
 751test_expect_success 'stdin -z fails create with no ref' '
 752        printf $F "create " >stdin &&
 753        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 754        grep "fatal: create: missing <ref>" err
 755'
 756
 757test_expect_success 'stdin -z fails create with no new value' '
 758        printf $F "create $a" >stdin &&
 759        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 760        grep "fatal: create $a: unexpected end of input when reading <newvalue>" err
 761'
 762
 763test_expect_success 'stdin -z fails create with too many arguments' '
 764        printf $F "create $a" "$m" "$m" >stdin &&
 765        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 766        grep "fatal: unknown command: $m" err
 767'
 768
 769test_expect_success 'stdin -z fails update with no ref' '
 770        printf $F "update " >stdin &&
 771        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 772        grep "fatal: update: missing <ref>" err
 773'
 774
 775test_expect_success 'stdin -z fails update with too few args' '
 776        printf $F "update $a" "$m" >stdin &&
 777        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 778        grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
 779'
 780
 781test_expect_success 'stdin -z emits warning with empty new value' '
 782        git update-ref $a $m &&
 783        printf $F "update $a" "" "" >stdin &&
 784        git update-ref -z --stdin <stdin 2>err &&
 785        grep "warning: update $a: missing <newvalue>, treating as zero" err &&
 786        test_must_fail git rev-parse --verify -q $a
 787'
 788
 789test_expect_success 'stdin -z fails update with no new value' '
 790        printf $F "update $a" >stdin &&
 791        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 792        grep "fatal: update $a: unexpected end of input when reading <newvalue>" err
 793'
 794
 795test_expect_success 'stdin -z fails update with no old value' '
 796        printf $F "update $a" "$m" >stdin &&
 797        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 798        grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
 799'
 800
 801test_expect_success 'stdin -z fails update with too many arguments' '
 802        printf $F "update $a" "$m" "$m" "$m" >stdin &&
 803        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 804        grep "fatal: unknown command: $m" err
 805'
 806
 807test_expect_success 'stdin -z fails delete with no ref' '
 808        printf $F "delete " >stdin &&
 809        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 810        grep "fatal: delete: missing <ref>" err
 811'
 812
 813test_expect_success 'stdin -z fails delete with no old value' '
 814        printf $F "delete $a" >stdin &&
 815        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 816        grep "fatal: delete $a: unexpected end of input when reading <oldvalue>" err
 817'
 818
 819test_expect_success 'stdin -z fails delete with too many arguments' '
 820        printf $F "delete $a" "$m" "$m" >stdin &&
 821        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 822        grep "fatal: unknown command: $m" err
 823'
 824
 825test_expect_success 'stdin -z fails verify with too many arguments' '
 826        printf $F "verify $a" "$m" "$m" >stdin &&
 827        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 828        grep "fatal: unknown command: $m" err
 829'
 830
 831test_expect_success 'stdin -z fails verify with no old value' '
 832        printf $F "verify $a" >stdin &&
 833        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 834        grep "fatal: verify $a: unexpected end of input when reading <oldvalue>" err
 835'
 836
 837test_expect_success 'stdin -z fails option with unknown name' '
 838        printf $F "option unknown" >stdin &&
 839        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 840        grep "fatal: option unknown: unknown" err
 841'
 842
 843test_expect_success 'stdin -z fails with duplicate refs' '
 844        printf $F "create $a" "$m" "create $b" "$m" "create $a" "$m" >stdin &&
 845        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 846        grep "fatal: Multiple updates for ref '"'"'$a'"'"' not allowed." err
 847'
 848
 849test_expect_success 'stdin -z create ref works' '
 850        printf $F "create $a" "$m" >stdin &&
 851        git update-ref -z --stdin <stdin &&
 852        git rev-parse $m >expect &&
 853        git rev-parse $a >actual &&
 854        test_cmp expect actual
 855'
 856
 857test_expect_success 'stdin -z update ref creates with zero old value' '
 858        printf $F "update $b" "$m" "$Z" >stdin &&
 859        git update-ref -z --stdin <stdin &&
 860        git rev-parse $m >expect &&
 861        git rev-parse $b >actual &&
 862        test_cmp expect actual &&
 863        git update-ref -d $b
 864'
 865
 866test_expect_success 'stdin -z update ref creates with empty old value' '
 867        printf $F "update $b" "$m" "" >stdin &&
 868        git update-ref -z --stdin <stdin &&
 869        git rev-parse $m >expect &&
 870        git rev-parse $b >actual &&
 871        test_cmp expect actual
 872'
 873
 874test_expect_success 'stdin -z create ref works with path with space to blob' '
 875        printf $F "create refs/blobs/pws" "$m:$pws" >stdin &&
 876        git update-ref -z --stdin <stdin &&
 877        git rev-parse "$m:$pws" >expect &&
 878        git rev-parse refs/blobs/pws >actual &&
 879        test_cmp expect actual &&
 880        git update-ref -d refs/blobs/pws
 881'
 882
 883test_expect_success 'stdin -z update ref fails with wrong old value' '
 884        printf $F "update $c" "$m" "$m~1" >stdin &&
 885        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 886        grep "fatal: Cannot lock ref '"'"'$c'"'"'" err &&
 887        test_must_fail git rev-parse --verify -q $c
 888'
 889
 890test_expect_success 'stdin -z update ref fails with bad old value' '
 891        printf $F "update $c" "$m" "does-not-exist" >stdin &&
 892        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 893        grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
 894        test_must_fail git rev-parse --verify -q $c
 895'
 896
 897test_expect_success 'stdin -z create ref fails when ref exists' '
 898        git update-ref $c $m &&
 899        git rev-parse "$c" >expect &&
 900        printf $F "create $c" "$m~1" >stdin &&
 901        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 902        grep "fatal: Cannot lock ref '"'"'$c'"'"'" err &&
 903        git rev-parse "$c" >actual &&
 904        test_cmp expect actual
 905'
 906
 907test_expect_success 'stdin -z create ref fails with bad new value' '
 908        git update-ref -d "$c" &&
 909        printf $F "create $c" "does-not-exist" >stdin &&
 910        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 911        grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
 912        test_must_fail git rev-parse --verify -q $c
 913'
 914
 915test_expect_success 'stdin -z create ref fails with empty new value' '
 916        printf $F "create $c" "" >stdin &&
 917        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 918        grep "fatal: create $c: missing <newvalue>" err &&
 919        test_must_fail git rev-parse --verify -q $c
 920'
 921
 922test_expect_success 'stdin -z update ref works with right old value' '
 923        printf $F "update $b" "$m~1" "$m" >stdin &&
 924        git update-ref -z --stdin <stdin &&
 925        git rev-parse $m~1 >expect &&
 926        git rev-parse $b >actual &&
 927        test_cmp expect actual
 928'
 929
 930test_expect_success 'stdin -z delete ref fails with wrong old value' '
 931        printf $F "delete $a" "$m~1" >stdin &&
 932        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 933        grep "fatal: Cannot lock ref '"'"'$a'"'"'" err &&
 934        git rev-parse $m >expect &&
 935        git rev-parse $a >actual &&
 936        test_cmp expect actual
 937'
 938
 939test_expect_success 'stdin -z delete ref fails with zero old value' '
 940        printf $F "delete $a" "$Z" >stdin &&
 941        test_must_fail git update-ref -z --stdin <stdin 2>err &&
 942        grep "fatal: delete $a: zero <oldvalue>" err &&
 943        git rev-parse $m >expect &&
 944        git rev-parse $a >actual &&
 945        test_cmp expect actual
 946'
 947
 948test_expect_success 'stdin -z update symref works option no-deref' '
 949        git symbolic-ref TESTSYMREF $b &&
 950        printf $F "option no-deref" "update TESTSYMREF" "$a" "$b" >stdin &&
 951        git update-ref -z --stdin <stdin &&
 952        git rev-parse TESTSYMREF >expect &&
 953        git rev-parse $a >actual &&
 954        test_cmp expect actual &&
 955        git rev-parse $m~1 >expect &&
 956        git rev-parse $b >actual &&
 957        test_cmp expect actual
 958'
 959
 960test_expect_success 'stdin -z delete symref works option no-deref' '
 961        git symbolic-ref TESTSYMREF $b &&
 962        printf $F "option no-deref" "delete TESTSYMREF" "$b" >stdin &&
 963        git update-ref -z --stdin <stdin &&
 964        test_must_fail git rev-parse --verify -q TESTSYMREF &&
 965        git rev-parse $m~1 >expect &&
 966        git rev-parse $b >actual &&
 967        test_cmp expect actual
 968'
 969
 970test_expect_success 'stdin -z delete ref works with right old value' '
 971        printf $F "delete $b" "$m~1" >stdin &&
 972        git update-ref -z --stdin <stdin &&
 973        test_must_fail git rev-parse --verify -q $b
 974'
 975
 976test_expect_success 'stdin -z update/create/verify combination works' '
 977        printf $F "update $a" "$m" "" "create $b" "$m" "verify $c" "" >stdin &&
 978        git update-ref -z --stdin <stdin &&
 979        git rev-parse $m >expect &&
 980        git rev-parse $a >actual &&
 981        test_cmp expect actual &&
 982        git rev-parse $b >actual &&
 983        test_cmp expect actual &&
 984        test_must_fail git rev-parse --verify -q $c
 985'
 986
 987test_expect_success 'stdin -z verify succeeds for correct value' '
 988        git rev-parse $m >expect &&
 989        printf $F "verify $m" "$m" >stdin &&
 990        git update-ref -z --stdin <stdin &&
 991        git rev-parse $m >actual &&
 992        test_cmp expect actual
 993'
 994
 995test_expect_success 'stdin -z verify succeeds for missing reference' '
 996        printf $F "verify refs/heads/missing" "$Z" >stdin &&
 997        git update-ref -z --stdin <stdin &&
 998        test_must_fail git rev-parse --verify -q refs/heads/missing
 999'
1000
1001test_expect_success 'stdin -z verify treats no value as missing' '
1002        printf $F "verify refs/heads/missing" "" >stdin &&
1003        git update-ref -z --stdin <stdin &&
1004        test_must_fail git rev-parse --verify -q refs/heads/missing
1005'
1006
1007test_expect_success 'stdin -z verify fails for wrong value' '
1008        git rev-parse $m >expect &&
1009        printf $F "verify $m" "$m~1" >stdin &&
1010        test_must_fail git update-ref -z --stdin <stdin &&
1011        git rev-parse $m >actual &&
1012        test_cmp expect actual
1013'
1014
1015test_expect_success 'stdin -z verify fails for mistaken null value' '
1016        git rev-parse $m >expect &&
1017        printf $F "verify $m" "$Z" >stdin &&
1018        test_must_fail git update-ref -z --stdin <stdin &&
1019        git rev-parse $m >actual &&
1020        test_cmp expect actual
1021'
1022
1023test_expect_success 'stdin -z verify fails for mistaken empty value' '
1024        M=$(git rev-parse $m) &&
1025        test_when_finished "git update-ref $m $M" &&
1026        git rev-parse $m >expect &&
1027        printf $F "verify $m" "" >stdin &&
1028        test_must_fail git update-ref -z --stdin <stdin &&
1029        git rev-parse $m >actual &&
1030        test_cmp expect actual
1031'
1032
1033test_expect_success 'stdin -z update refs works with identity updates' '
1034        printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$Z" "" >stdin &&
1035        git update-ref -z --stdin <stdin &&
1036        git rev-parse $m >expect &&
1037        git rev-parse $a >actual &&
1038        test_cmp expect actual &&
1039        git rev-parse $b >actual &&
1040        test_cmp expect actual &&
1041        test_must_fail git rev-parse --verify -q $c
1042'
1043
1044test_expect_success 'stdin -z update refs fails with wrong old value' '
1045        git update-ref $c $m &&
1046        printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$m" "$Z" >stdin &&
1047        test_must_fail git update-ref -z --stdin <stdin 2>err &&
1048        grep "fatal: Cannot lock ref '"'"'$c'"'"'" err &&
1049        git rev-parse $m >expect &&
1050        git rev-parse $a >actual &&
1051        test_cmp expect actual &&
1052        git rev-parse $b >actual &&
1053        test_cmp expect actual &&
1054        git rev-parse $c >actual &&
1055        test_cmp expect actual
1056'
1057
1058test_expect_success 'stdin -z delete refs works with packed and loose refs' '
1059        git pack-refs --all &&
1060        git update-ref $c $m~1 &&
1061        printf $F "delete $a" "$m" "update $b" "$Z" "$m" "update $c" "" "$m~1" >stdin &&
1062        git update-ref -z --stdin <stdin &&
1063        test_must_fail git rev-parse --verify -q $a &&
1064        test_must_fail git rev-parse --verify -q $b &&
1065        test_must_fail git rev-parse --verify -q $c
1066'
1067
1068run_with_limited_open_files () {
1069        (ulimit -n 32 && "$@")
1070}
1071
1072test_lazy_prereq ULIMIT_FILE_DESCRIPTORS 'run_with_limited_open_files true'
1073
1074test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction creating branches does not burst open file limit' '
1075(
1076        for i in $(test_seq 33)
1077        do
1078                echo "create refs/heads/$i HEAD"
1079        done >large_input &&
1080        run_with_limited_open_files git update-ref --stdin <large_input &&
1081        git rev-parse --verify -q refs/heads/33
1082)
1083'
1084
1085test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction deleting branches does not burst open file limit' '
1086(
1087        for i in $(test_seq 33)
1088        do
1089                echo "delete refs/heads/$i HEAD"
1090        done >large_input &&
1091        run_with_limited_open_files git update-ref --stdin <large_input &&
1092        test_must_fail git rev-parse --verify -q refs/heads/33
1093)
1094'
1095
1096test_done