t/t0021-conversion.sh

   1 #!/bin/sh
   2
   3 test_description='blob conversion via gitattributes'
   4
   5 . ./test-lib.sh
   6
   7 TEST_ROOT="$(pwd)"
   8 PATH=$TEST_ROOT:$PATH
   9
  10 write_script <<\EOF "$TEST_ROOT/rot13.sh"
  11 tr \
  12   'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' \
  13   'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
  14 EOF
  15
  16 generate_random_characters () {
  17         LEN=$1
  18         NAME=$2
  19         test-genrandom some-seed $LEN |
  20                 perl -pe "s/./chr((ord($&) % 26) + ord('a'))/sge" >"$TEST_ROOT/$NAME"
  21 }
  22
  23 file_size () {
  24         cat "$1" | wc -c | sed "s/^[ ]*//"
  25 }
  26
  27 filter_git () {
  28         rm -f rot13-filter.log &&
  29         git "$@" 2>git-stderr.log &&
  30         rm -f git-stderr.log
  31 }
  32
  33 # Compare two files and ensure that `clean` and `smudge` respectively are
  34 # called at least once if specified in the `expect` file. The actual
  35 # invocation count is not relevant because their number can vary.
  36 # c.f. http://public-inbox.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
  37 test_cmp_count () {
  38         expect=$1
  39         actual=$2
  40         for FILE in "$expect" "$actual"
  41         do
  42                 sort "$FILE" | uniq -c | sed "s/^[ ]*//" |
  43                         sed "s/^\([0-9]\) IN: clean/x IN: clean/" |
  44                         sed "s/^\([0-9]\) IN: smudge/x IN: smudge/" >"$FILE.tmp" &&
  45                 mv "$FILE.tmp" "$FILE"
  46         done &&
  47         test_cmp "$expect" "$actual"
  48 }
  49
  50 # Compare two files but exclude all `clean` invocations because Git can
  51 # call `clean` zero or more times.
  52 # c.f. http://public-inbox.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
  53 test_cmp_exclude_clean () {
  54         expect=$1
  55         actual=$2
  56         for FILE in "$expect" "$actual"
  57         do
  58                 grep -v "IN: clean" "$FILE" >"$FILE.tmp" &&
  59                 mv "$FILE.tmp" "$FILE"
  60         done &&
  61         test_cmp "$expect" "$actual"
  62 }
  63
  64 # Check that the contents of two files are equal and that their rot13 version
  65 # is equal to the committed content.
  66 test_cmp_committed_rot13 () {
  67         test_cmp "$1" "$2" &&
  68         rot13.sh <"$1" >expected &&
  69         git cat-file blob :"$2" >actual &&
  70         test_cmp expected actual
  71 }
  72
  73 test_expect_success setup '
  74         git config filter.rot13.smudge ./rot13.sh &&
  75         git config filter.rot13.clean ./rot13.sh &&
  76
  77         {
  78             echo "*.t filter=rot13"
  79             echo "*.i ident"
  80         } >.gitattributes &&
  81
  82         {
  83             echo a b c d e f g h i j k l m
  84             echo n o p q r s t u v w x y z
  85             echo '\''$Id$'\''
  86         } >test &&
  87         cat test >test.t &&
  88         cat test >test.o &&
  89         cat test >test.i &&
  90         git add test test.t test.i &&
  91         rm -f test test.t test.i &&
  92         git checkout -- test test.t test.i &&
  93
  94         echo "content-test2" >test2.o &&
  95         echo "content-test3 - filename with special characters" >"test3 '\''sq'\'',\$x.o"
  96 '
  97
  98 script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
  99
 100 test_expect_success check '
 101
 102         test_cmp test.o test &&
 103         test_cmp test.o test.t &&
 104
 105         # ident should be stripped in the repository
 106         git diff --raw --exit-code :test :test.i &&
 107         id=$(git rev-parse --verify :test) &&
 108         embedded=$(sed -ne "$script" test.i) &&
 109         test "z$id" = "z$embedded" &&
 110
 111         git cat-file blob :test.t >test.r &&
 112
 113         ./rot13.sh <test.o >test.t &&
 114         test_cmp test.r test.t
 115 '
 116
 117 # If an expanded ident ever gets into the repository, we want to make sure that
 118 # it is collapsed before being expanded again on checkout
 119 test_expect_success expanded_in_repo '
 120         {
 121                 echo "File with expanded keywords"
 122                 echo "\$Id\$"
 123                 echo "\$Id:\$"
 124                 echo "\$Id: 0000000000000000000000000000000000000000 \$"
 125                 echo "\$Id: NoSpaceAtEnd\$"
 126                 echo "\$Id:NoSpaceAtFront \$"
 127                 echo "\$Id:NoSpaceAtEitherEnd\$"
 128                 echo "\$Id: NoTerminatingSymbol"
 129                 echo "\$Id: Foreign Commit With Spaces \$"
 130         } >expanded-keywords.0 &&
 131
 132         {
 133                 cat expanded-keywords.0 &&
 134                 printf "\$Id: NoTerminatingSymbolAtEOF"
 135         } >expanded-keywords &&
 136         cat expanded-keywords >expanded-keywords-crlf &&
 137         git add expanded-keywords expanded-keywords-crlf &&
 138         git commit -m "File with keywords expanded" &&
 139         id=$(git rev-parse --verify :expanded-keywords) &&
 140
 141         {
 142                 echo "File with expanded keywords"
 143                 echo "\$Id: $id \$"
 144                 echo "\$Id: $id \$"
 145                 echo "\$Id: $id \$"
 146                 echo "\$Id: $id \$"
 147                 echo "\$Id: $id \$"
 148                 echo "\$Id: $id \$"
 149                 echo "\$Id: NoTerminatingSymbol"
 150                 echo "\$Id: Foreign Commit With Spaces \$"
 151         } >expected-output.0 &&
 152         {
 153                 cat expected-output.0 &&
 154                 printf "\$Id: NoTerminatingSymbolAtEOF"
 155         } >expected-output &&
 156         {
 157                 append_cr <expected-output.0 &&
 158                 printf "\$Id: NoTerminatingSymbolAtEOF"
 159         } >expected-output-crlf &&
 160         {
 161                 echo "expanded-keywords ident"
 162                 echo "expanded-keywords-crlf ident text eol=crlf"
 163         } >>.gitattributes &&
 164
 165         rm -f expanded-keywords expanded-keywords-crlf &&
 166
 167         git checkout -- expanded-keywords &&
 168         test_cmp expanded-keywords expected-output &&
 169
 170         git checkout -- expanded-keywords-crlf &&
 171         test_cmp expanded-keywords-crlf expected-output-crlf
 172 '
 173
 174 # The use of %f in a filter definition is expanded to the path to
 175 # the filename being smudged or cleaned.  It must be shell escaped.
 176 # First, set up some interesting file names and pet them in
 177 # .gitattributes.
 178 test_expect_success 'filter shell-escaped filenames' '
 179         cat >argc.sh <<-EOF &&
 180         #!$SHELL_PATH
 181         cat >/dev/null
 182         echo argc: \$# "\$@"
 183         EOF
 184         normal=name-no-magic &&
 185         special="name  with '\''sq'\'' and \$x" &&
 186         echo some test text >"$normal" &&
 187         echo some test text >"$special" &&
 188         git add "$normal" "$special" &&
 189         git commit -q -m "add files" &&
 190         echo "name* filter=argc" >.gitattributes &&
 191
 192         # delete the files and check them out again, using a smudge filter
 193         # that will count the args and echo the command-line back to us
 194         test_config filter.argc.smudge "sh ./argc.sh %f" &&
 195         rm "$normal" "$special" &&
 196         git checkout -- "$normal" "$special" &&
 197
 198         # make sure argc.sh counted the right number of args
 199         echo "argc: 1 $normal" >expect &&
 200         test_cmp expect "$normal" &&
 201         echo "argc: 1 $special" >expect &&
 202         test_cmp expect "$special" &&
 203
 204         # do the same thing, but with more args in the filter expression
 205         test_config filter.argc.smudge "sh ./argc.sh %f --my-extra-arg" &&
 206         rm "$normal" "$special" &&
 207         git checkout -- "$normal" "$special" &&
 208
 209         # make sure argc.sh counted the right number of args
 210         echo "argc: 2 $normal --my-extra-arg" >expect &&
 211         test_cmp expect "$normal" &&
 212         echo "argc: 2 $special --my-extra-arg" >expect &&
 213         test_cmp expect "$special" &&
 214         :
 215 '
 216
 217 test_expect_success 'required filter should filter data' '
 218         test_config filter.required.smudge ./rot13.sh &&
 219         test_config filter.required.clean ./rot13.sh &&
 220         test_config filter.required.required true &&
 221
 222         echo "*.r filter=required" >.gitattributes &&
 223
 224         cat test.o >test.r &&
 225         git add test.r &&
 226
 227         rm -f test.r &&
 228         git checkout -- test.r &&
 229         test_cmp test.o test.r &&
 230
 231         ./rot13.sh <test.o >expected &&
 232         git cat-file blob :test.r >actual &&
 233         test_cmp expected actual
 234 '
 235
 236 test_expect_success 'required filter smudge failure' '
 237         test_config filter.failsmudge.smudge false &&
 238         test_config filter.failsmudge.clean cat &&
 239         test_config filter.failsmudge.required true &&
 240
 241         echo "*.fs filter=failsmudge" >.gitattributes &&
 242
 243         echo test >test.fs &&
 244         git add test.fs &&
 245         rm -f test.fs &&
 246         test_must_fail git checkout -- test.fs
 247 '
 248
 249 test_expect_success 'required filter clean failure' '
 250         test_config filter.failclean.smudge cat &&
 251         test_config filter.failclean.clean false &&
 252         test_config filter.failclean.required true &&
 253
 254         echo "*.fc filter=failclean" >.gitattributes &&
 255
 256         echo test >test.fc &&
 257         test_must_fail git add test.fc
 258 '
 259
 260 test_expect_success 'filtering large input to small output should use little memory' '
 261         test_config filter.devnull.clean "cat >/dev/null" &&
 262         test_config filter.devnull.required true &&
 263         for i in $(test_seq 1 30); do printf "%1048576d" 1; done >30MB &&
 264         echo "30MB filter=devnull" >.gitattributes &&
 265         GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add 30MB
 266 '
 267
 268 test_expect_success 'filter that does not read is fine' '
 269         test-genrandom foo $((128 * 1024 + 1)) >big &&
 270         echo "big filter=epipe" >.gitattributes &&
 271         test_config filter.epipe.clean "echo xyzzy" &&
 272         git add big &&
 273         git cat-file blob :big >actual &&
 274         echo xyzzy >expect &&
 275         test_cmp expect actual
 276 '
 277
 278 test_expect_success EXPENSIVE 'filter large file' '
 279         test_config filter.largefile.smudge cat &&
 280         test_config filter.largefile.clean cat &&
 281         for i in $(test_seq 1 2048); do printf "%1048576d" 1; done >2GB &&
 282         echo "2GB filter=largefile" >.gitattributes &&
 283         git add 2GB 2>err &&
 284         test_must_be_empty err &&
 285         rm -f 2GB &&
 286         git checkout -- 2GB 2>err &&
 287         test_must_be_empty err
 288 '
 289
 290 test_expect_success "filter: clean empty file" '
 291         test_config filter.in-repo-header.clean  "echo cleaned && cat" &&
 292         test_config filter.in-repo-header.smudge "sed 1d" &&
 293
 294         echo "empty-in-worktree    filter=in-repo-header" >>.gitattributes &&
 295         >empty-in-worktree &&
 296
 297         echo cleaned >expected &&
 298         git add empty-in-worktree &&
 299         git show :empty-in-worktree >actual &&
 300         test_cmp expected actual
 301 '
 302
 303 test_expect_success "filter: smudge empty file" '
 304         test_config filter.empty-in-repo.clean "cat >/dev/null" &&
 305         test_config filter.empty-in-repo.smudge "echo smudged && cat" &&
 306
 307         echo "empty-in-repo filter=empty-in-repo" >>.gitattributes &&
 308         echo dead data walking >empty-in-repo &&
 309         git add empty-in-repo &&
 310
 311         echo smudged >expected &&
 312         git checkout-index --prefix=filtered- empty-in-repo &&
 313         test_cmp expected filtered-empty-in-repo
 314 '
 315
 316 test_expect_success 'disable filter with empty override' '
 317         test_config_global filter.disable.smudge false &&
 318         test_config_global filter.disable.clean false &&
 319         test_config filter.disable.smudge false &&
 320         test_config filter.disable.clean false &&
 321
 322         echo "*.disable filter=disable" >.gitattributes &&
 323
 324         echo test >test.disable &&
 325         git -c filter.disable.clean= add test.disable 2>err &&
 326         test_must_be_empty err &&
 327         rm -f test.disable &&
 328         git -c filter.disable.smudge= checkout -- test.disable 2>err &&
 329         test_must_be_empty err
 330 '
 331
 332 test_expect_success 'diff does not reuse worktree files that need cleaning' '
 333         test_config filter.counter.clean "echo . >>count; sed s/^/clean:/" &&
 334         echo "file filter=counter" >.gitattributes &&
 335         test_commit one file &&
 336         test_commit two file &&
 337
 338         >count &&
 339         git diff-tree -p HEAD &&
 340         test_line_count = 0 count
 341 '
 342
 343 test_expect_success PERL 'required process filter should filter data' '
 344         test_config_global filter.protocol.process "$TEST_DIRECTORY/t0021/rot13-filter.pl clean smudge" &&
 345         test_config_global filter.protocol.required true &&
 346         rm -rf repo &&
 347         mkdir repo &&
 348         (
 349                 cd repo &&
 350                 git init &&
 351
 352                 echo "git-stderr.log" >.gitignore &&
 353                 echo "*.r filter=protocol" >.gitattributes &&
 354                 git add . &&
 355                 git commit . -m "test commit 1" &&
 356                 git branch empty-branch &&
 357
 358                 cp "$TEST_ROOT/test.o" test.r &&
 359                 cp "$TEST_ROOT/test2.o" test2.r &&
 360                 mkdir testsubdir &&
 361                 cp "$TEST_ROOT/test3 '\''sq'\'',\$x.o" "testsubdir/test3 '\''sq'\'',\$x.r" &&
 362                 >test4-empty.r &&
 363
 364                 S=$(file_size test.r) &&
 365                 S2=$(file_size test2.r) &&
 366                 S3=$(file_size "testsubdir/test3 '\''sq'\'',\$x.r") &&
 367
 368                 filter_git add . &&
 369                 cat >expected.log <<-EOF &&
 370                         START
 371                         init handshake complete
 372                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 373                         IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
 374                         IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
 375                         IN: clean testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 376                         STOP
 377                 EOF
 378                 test_cmp_count expected.log rot13-filter.log &&
 379
 380                 filter_git commit . -m "test commit 2" &&
 381                 cat >expected.log <<-EOF &&
 382                         START
 383                         init handshake complete
 384                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 385                         IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
 386                         IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
 387                         IN: clean testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 388                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 389                         IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
 390                         IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
 391                         IN: clean testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 392                         STOP
 393                 EOF
 394                 test_cmp_count expected.log rot13-filter.log &&
 395
 396                 rm -f test2.r "testsubdir/test3 '\''sq'\'',\$x.r" &&
 397
 398                 filter_git checkout --quiet --no-progress . &&
 399                 cat >expected.log <<-EOF &&
 400                         START
 401                         init handshake complete
 402                         IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 403                         IN: smudge testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 404                         STOP
 405                 EOF
 406                 test_cmp_exclude_clean expected.log rot13-filter.log &&
 407
 408                 filter_git checkout --quiet --no-progress empty-branch &&
 409                 cat >expected.log <<-EOF &&
 410                         START
 411                         init handshake complete
 412                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 413                         STOP
 414                 EOF
 415                 test_cmp_exclude_clean expected.log rot13-filter.log &&
 416
 417                 filter_git checkout --quiet --no-progress master &&
 418                 cat >expected.log <<-EOF &&
 419                         START
 420                         init handshake complete
 421                         IN: smudge test.r $S [OK] -- OUT: $S . [OK]
 422                         IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 423                         IN: smudge test4-empty.r 0 [OK] -- OUT: 0  [OK]
 424                         IN: smudge testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 425                         STOP
 426                 EOF
 427                 test_cmp_exclude_clean expected.log rot13-filter.log &&
 428
 429                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 430                 test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 431                 test_cmp_committed_rot13 "$TEST_ROOT/test3 '\''sq'\'',\$x.o" "testsubdir/test3 '\''sq'\'',\$x.r"
 432         )
 433 '
 434
 435 test_expect_success PERL 'required process filter takes precedence' '
 436         test_config_global filter.protocol.clean false &&
 437         test_config_global filter.protocol.process "$TEST_DIRECTORY/t0021/rot13-filter.pl clean" &&
 438         test_config_global filter.protocol.required true &&
 439         rm -rf repo &&
 440         mkdir repo &&
 441         (
 442                 cd repo &&
 443                 git init &&
 444
 445                 echo "*.r filter=protocol" >.gitattributes &&
 446                 cp "$TEST_ROOT/test.o" test.r &&
 447                 S=$(file_size test.r) &&
 448
 449                 # Check that the process filter is invoked here
 450                 filter_git add . &&
 451                 cat >expected.log <<-EOF &&
 452                         START
 453                         init handshake complete
 454                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 455                         STOP
 456                 EOF
 457                 test_cmp_count expected.log rot13-filter.log
 458         )
 459 '
 460
 461 test_expect_success PERL 'required process filter should be used only for "clean" operation only' '
 462         test_config_global filter.protocol.process "$TEST_DIRECTORY/t0021/rot13-filter.pl clean" &&
 463         rm -rf repo &&
 464         mkdir repo &&
 465         (
 466                 cd repo &&
 467                 git init &&
 468
 469                 echo "*.r filter=protocol" >.gitattributes &&
 470                 cp "$TEST_ROOT/test.o" test.r &&
 471                 S=$(file_size test.r) &&
 472
 473                 filter_git add . &&
 474                 cat >expected.log <<-EOF &&
 475                         START
 476                         init handshake complete
 477                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 478                         STOP
 479                 EOF
 480                 test_cmp_count expected.log rot13-filter.log &&
 481
 482                 rm test.r &&
 483
 484                 filter_git checkout --quiet --no-progress . &&
 485                 # If the filter would be used for "smudge", too, we would see
 486                 # "IN: smudge test.r 57 [OK] -- OUT: 57 . [OK]" here
 487                 cat >expected.log <<-EOF &&
 488                         START
 489                         init handshake complete
 490                         STOP
 491                 EOF
 492                 test_cmp_exclude_clean expected.log rot13-filter.log
 493         )
 494 '
 495
 496 test_expect_success PERL 'required process filter should process multiple packets' '
 497         test_config_global filter.protocol.process "$TEST_DIRECTORY/t0021/rot13-filter.pl clean smudge" &&
 498         test_config_global filter.protocol.required true &&
 499
 500         rm -rf repo &&
 501         mkdir repo &&
 502         (
 503                 cd repo &&
 504                 git init &&
 505
 506                 # Generate data requiring 1, 2, 3 packets
 507                 S=65516 && # PKTLINE_DATA_MAXLEN -> Maximal size of a packet
 508                 generate_random_characters $(($S    )) 1pkt_1__.file &&
 509                 generate_random_characters $(($S  +1)) 2pkt_1+1.file &&
 510                 generate_random_characters $(($S*2-1)) 2pkt_2-1.file &&
 511                 generate_random_characters $(($S*2  )) 2pkt_2__.file &&
 512                 generate_random_characters $(($S*2+1)) 3pkt_2+1.file &&
 513
 514                 for FILE in "$TEST_ROOT"/*.file
 515                 do
 516                         cp "$FILE" . &&
 517                         rot13.sh <"$FILE" >"$FILE.rot13"
 518                 done &&
 519
 520                 echo "*.file filter=protocol" >.gitattributes &&
 521                 filter_git add *.file .gitattributes &&
 522                 cat >expected.log <<-EOF &&
 523                         START
 524                         init handshake complete
 525                         IN: clean 1pkt_1__.file $(($S    )) [OK] -- OUT: $(($S    )) . [OK]
 526                         IN: clean 2pkt_1+1.file $(($S  +1)) [OK] -- OUT: $(($S  +1)) .. [OK]
 527                         IN: clean 2pkt_2-1.file $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
 528                         IN: clean 2pkt_2__.file $(($S*2  )) [OK] -- OUT: $(($S*2  )) .. [OK]
 529                         IN: clean 3pkt_2+1.file $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
 530                         STOP
 531                 EOF
 532                 test_cmp_count expected.log rot13-filter.log &&
 533
 534                 rm -f *.file &&
 535
 536                 filter_git checkout --quiet --no-progress -- *.file &&
 537                 cat >expected.log <<-EOF &&
 538                         START
 539                         init handshake complete
 540                         IN: smudge 1pkt_1__.file $(($S    )) [OK] -- OUT: $(($S    )) . [OK]
 541                         IN: smudge 2pkt_1+1.file $(($S  +1)) [OK] -- OUT: $(($S  +1)) .. [OK]
 542                         IN: smudge 2pkt_2-1.file $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
 543                         IN: smudge 2pkt_2__.file $(($S*2  )) [OK] -- OUT: $(($S*2  )) .. [OK]
 544                         IN: smudge 3pkt_2+1.file $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
 545                         STOP
 546                 EOF
 547                 test_cmp_exclude_clean expected.log rot13-filter.log &&
 548
 549                 for FILE in *.file
 550                 do
 551                         test_cmp_committed_rot13 "$TEST_ROOT/$FILE" $FILE
 552                 done
 553         )
 554 '
 555
 556 test_expect_success PERL 'required process filter with clean error should fail' '
 557         test_config_global filter.protocol.process "$TEST_DIRECTORY/t0021/rot13-filter.pl clean smudge" &&
 558         test_config_global filter.protocol.required true &&
 559         rm -rf repo &&
 560         mkdir repo &&
 561         (
 562                 cd repo &&
 563                 git init &&
 564
 565                 echo "*.r filter=protocol" >.gitattributes &&
 566
 567                 cp "$TEST_ROOT/test.o" test.r &&
 568                 echo "this is going to fail" >clean-write-fail.r &&
 569                 echo "content-test3-subdir" >test3.r &&
 570
 571                 test_must_fail git add .
 572         )
 573 '
 574
 575 test_expect_success PERL 'process filter should restart after unexpected write failure' '
 576         test_config_global filter.protocol.process "$TEST_DIRECTORY/t0021/rot13-filter.pl clean smudge" &&
 577         rm -rf repo &&
 578         mkdir repo &&
 579         (
 580                 cd repo &&
 581                 git init &&
 582
 583                 echo "*.r filter=protocol" >.gitattributes &&
 584
 585                 cp "$TEST_ROOT/test.o" test.r &&
 586                 cp "$TEST_ROOT/test2.o" test2.r &&
 587                 echo "this is going to fail" >smudge-write-fail.o &&
 588                 cp smudge-write-fail.o smudge-write-fail.r &&
 589
 590                 S=$(file_size test.r) &&
 591                 S2=$(file_size test2.r) &&
 592                 SF=$(file_size smudge-write-fail.r) &&
 593
 594                 git add . &&
 595                 rm -f *.r &&
 596
 597                 rm -f rot13-filter.log &&
 598                 git checkout --quiet --no-progress . 2>git-stderr.log &&
 599
 600                 grep "smudge write error at" git-stderr.log &&
 601                 grep "error: external filter" git-stderr.log &&
 602
 603                 cat >expected.log <<-EOF &&
 604                         START
 605                         init handshake complete
 606                         IN: smudge smudge-write-fail.r $SF [OK] -- OUT: $SF [WRITE FAIL]
 607                         START
 608                         init handshake complete
 609                         IN: smudge test.r $S [OK] -- OUT: $S . [OK]
 610                         IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 611                         STOP
 612                 EOF
 613                 test_cmp_exclude_clean expected.log rot13-filter.log &&
 614
 615                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 616                 test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 617
 618                 # Smudge failed
 619                 ! test_cmp smudge-write-fail.o smudge-write-fail.r &&
 620                 rot13.sh <smudge-write-fail.o >expected &&
 621                 git cat-file blob :smudge-write-fail.r >actual &&
 622                 test_cmp expected actual
 623         )
 624 '
 625
 626 test_expect_success PERL 'process filter should not be restarted if it signals an error' '
 627         test_config_global filter.protocol.process "$TEST_DIRECTORY/t0021/rot13-filter.pl clean smudge" &&
 628         rm -rf repo &&
 629         mkdir repo &&
 630         (
 631                 cd repo &&
 632                 git init &&
 633
 634                 echo "*.r filter=protocol" >.gitattributes &&
 635
 636                 cp "$TEST_ROOT/test.o" test.r &&
 637                 cp "$TEST_ROOT/test2.o" test2.r &&
 638                 echo "this will cause an error" >error.o &&
 639                 cp error.o error.r &&
 640
 641                 S=$(file_size test.r) &&
 642                 S2=$(file_size test2.r) &&
 643                 SE=$(file_size error.r) &&
 644
 645                 git add . &&
 646                 rm -f *.r &&
 647
 648                 filter_git checkout --quiet --no-progress . &&
 649                 cat >expected.log <<-EOF &&
 650                         START
 651                         init handshake complete
 652                         IN: smudge error.r $SE [OK] -- OUT: 0 [ERROR]
 653                         IN: smudge test.r $S [OK] -- OUT: $S . [OK]
 654                         IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 655                         STOP
 656                 EOF
 657                 test_cmp_exclude_clean expected.log rot13-filter.log &&
 658
 659                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 660                 test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 661                 test_cmp error.o error.r
 662         )
 663 '
 664
 665 test_expect_success PERL 'process filter abort stops processing of all further files' '
 666         test_config_global filter.protocol.process "$TEST_DIRECTORY/t0021/rot13-filter.pl clean smudge" &&
 667         rm -rf repo &&
 668         mkdir repo &&
 669         (
 670                 cd repo &&
 671                 git init &&
 672
 673                 echo "*.r filter=protocol" >.gitattributes &&
 674
 675                 cp "$TEST_ROOT/test.o" test.r &&
 676                 cp "$TEST_ROOT/test2.o" test2.r &&
 677                 echo "error this blob and all future blobs" >abort.o &&
 678                 cp abort.o abort.r &&
 679
 680                 SA=$(file_size abort.r) &&
 681
 682                 git add . &&
 683                 rm -f *.r &&
 684
 685                 # Note: This test assumes that Git filters files in alphabetical
 686                 # order ("abort.r" before "test.r").
 687                 filter_git checkout --quiet --no-progress . &&
 688                 cat >expected.log <<-EOF &&
 689                         START
 690                         init handshake complete
 691                         IN: smudge abort.r $SA [OK] -- OUT: 0 [ABORT]
 692                         STOP
 693                 EOF
 694                 test_cmp_exclude_clean expected.log rot13-filter.log &&
 695
 696                 test_cmp "$TEST_ROOT/test.o" test.r &&
 697                 test_cmp "$TEST_ROOT/test2.o" test2.r &&
 698                 test_cmp abort.o abort.r
 699         )
 700 '
 701
 702 test_expect_success PERL 'invalid process filter must fail (and not hang!)' '
 703         test_config_global filter.protocol.process cat &&
 704         test_config_global filter.protocol.required true &&
 705         rm -rf repo &&
 706         mkdir repo &&
 707         (
 708                 cd repo &&
 709                 git init &&
 710
 711                 echo "*.r filter=protocol" >.gitattributes &&
 712
 713                 cp "$TEST_ROOT/test.o" test.r &&
 714                 test_must_fail git add . 2>git-stderr.log &&
 715                 grep "does not support filter protocol version" git-stderr.log
 716         )
 717 '
 718
 719 test_done