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 write_script rot13-filter.pl "$PERL_PATH" \
  17         <"$TEST_DIRECTORY"/t0021/rot13-filter.pl
  18
  19 generate_random_characters () {
  20         LEN=$1
  21         NAME=$2
  22         test-tool genrandom some-seed $LEN |
  23                 perl -pe "s/./chr((ord($&) % 26) + ord('a'))/sge" >"$TEST_ROOT/$NAME"
  24 }
  25
  26 file_size () {
  27         test-tool path-utils file-size "$1"
  28 }
  29
  30 filter_git () {
  31         rm -f *.log &&
  32         git "$@"
  33 }
  34
  35 # Compare two files and ensure that `clean` and `smudge` respectively are
  36 # called at least once if specified in the `expect` file. The actual
  37 # invocation count is not relevant because their number can vary.
  38 # c.f. http://lore.kernel.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
  39 test_cmp_count () {
  40         expect=$1
  41         actual=$2
  42         for FILE in "$expect" "$actual"
  43         do
  44                 sort "$FILE" | uniq -c |
  45                 sed -e "s/^ *[0-9][0-9]*[       ]*IN: /x IN: /" >"$FILE.tmp"
  46         done &&
  47         test_cmp "$expect.tmp" "$actual.tmp" &&
  48         rm "$expect.tmp" "$actual.tmp"
  49 }
  50
  51 # Compare two files but exclude all `clean` invocations because Git can
  52 # call `clean` zero or more times.
  53 # c.f. http://lore.kernel.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
  54 test_cmp_exclude_clean () {
  55         expect=$1
  56         actual=$2
  57         for FILE in "$expect" "$actual"
  58         do
  59                 grep -v "IN: clean" "$FILE" >"$FILE.tmp"
  60         done &&
  61         test_cmp "$expect.tmp" "$actual.tmp" &&
  62         rm "$expect.tmp" "$actual.tmp"
  63 }
  64
  65 # Check that the contents of two files are equal and that their rot13 version
  66 # is equal to the committed content.
  67 test_cmp_committed_rot13 () {
  68         test_cmp "$1" "$2" &&
  69         rot13.sh <"$1" >expected &&
  70         git cat-file blob :"$2" >actual &&
  71         test_cmp expected actual
  72 }
  73
  74 test_expect_success setup '
  75         git config filter.rot13.smudge ./rot13.sh &&
  76         git config filter.rot13.clean ./rot13.sh &&
  77
  78         {
  79             echo "*.t filter=rot13"
  80             echo "*.i ident"
  81         } >.gitattributes &&
  82
  83         {
  84             echo a b c d e f g h i j k l m
  85             echo n o p q r s t u v w x y z
  86             echo '\''$Id$'\''
  87         } >test &&
  88         cat test >test.t &&
  89         cat test >test.o &&
  90         cat test >test.i &&
  91         git add test test.t test.i &&
  92         rm -f test test.t test.i &&
  93         git checkout -- test test.t test.i &&
  94
  95         echo "content-test2" >test2.o &&
  96         echo "content-test3 - filename with special characters" >"test3 '\''sq'\'',\$x=.o"
  97 '
  98
  99 script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
 100
 101 test_expect_success check '
 102
 103         test_cmp test.o test &&
 104         test_cmp test.o test.t &&
 105
 106         # ident should be stripped in the repository
 107         git diff --raw --exit-code :test :test.i &&
 108         id=$(git rev-parse --verify :test) &&
 109         embedded=$(sed -ne "$script" test.i) &&
 110         test "z$id" = "z$embedded" &&
 111
 112         git cat-file blob :test.t >test.r &&
 113
 114         ./rot13.sh <test.o >test.t &&
 115         test_cmp test.r test.t
 116 '
 117
 118 # If an expanded ident ever gets into the repository, we want to make sure that
 119 # it is collapsed before being expanded again on checkout
 120 test_expect_success expanded_in_repo '
 121         {
 122                 echo "File with expanded keywords"
 123                 echo "\$Id\$"
 124                 echo "\$Id:\$"
 125                 echo "\$Id: 0000000000000000000000000000000000000000 \$"
 126                 echo "\$Id: NoSpaceAtEnd\$"
 127                 echo "\$Id:NoSpaceAtFront \$"
 128                 echo "\$Id:NoSpaceAtEitherEnd\$"
 129                 echo "\$Id: NoTerminatingSymbol"
 130                 echo "\$Id: Foreign Commit With Spaces \$"
 131         } >expanded-keywords.0 &&
 132
 133         {
 134                 cat expanded-keywords.0 &&
 135                 printf "\$Id: NoTerminatingSymbolAtEOF"
 136         } >expanded-keywords &&
 137         cat expanded-keywords >expanded-keywords-crlf &&
 138         git add expanded-keywords expanded-keywords-crlf &&
 139         git commit -m "File with keywords expanded" &&
 140         id=$(git rev-parse --verify :expanded-keywords) &&
 141
 142         {
 143                 echo "File with expanded keywords"
 144                 echo "\$Id: $id \$"
 145                 echo "\$Id: $id \$"
 146                 echo "\$Id: $id \$"
 147                 echo "\$Id: $id \$"
 148                 echo "\$Id: $id \$"
 149                 echo "\$Id: $id \$"
 150                 echo "\$Id: NoTerminatingSymbol"
 151                 echo "\$Id: Foreign Commit With Spaces \$"
 152         } >expected-output.0 &&
 153         {
 154                 cat expected-output.0 &&
 155                 printf "\$Id: NoTerminatingSymbolAtEOF"
 156         } >expected-output &&
 157         {
 158                 append_cr <expected-output.0 &&
 159                 printf "\$Id: NoTerminatingSymbolAtEOF"
 160         } >expected-output-crlf &&
 161         {
 162                 echo "expanded-keywords ident"
 163                 echo "expanded-keywords-crlf ident text eol=crlf"
 164         } >>.gitattributes &&
 165
 166         rm -f expanded-keywords expanded-keywords-crlf &&
 167
 168         git checkout -- expanded-keywords &&
 169         test_cmp expected-output expanded-keywords &&
 170
 171         git checkout -- expanded-keywords-crlf &&
 172         test_cmp expected-output-crlf expanded-keywords-crlf
 173 '
 174
 175 # The use of %f in a filter definition is expanded to the path to
 176 # the filename being smudged or cleaned.  It must be shell escaped.
 177 # First, set up some interesting file names and pet them in
 178 # .gitattributes.
 179 test_expect_success 'filter shell-escaped filenames' '
 180         cat >argc.sh <<-EOF &&
 181         #!$SHELL_PATH
 182         cat >/dev/null
 183         echo argc: \$# "\$@"
 184         EOF
 185         normal=name-no-magic &&
 186         special="name  with '\''sq'\'' and \$x" &&
 187         echo some test text >"$normal" &&
 188         echo some test text >"$special" &&
 189         git add "$normal" "$special" &&
 190         git commit -q -m "add files" &&
 191         echo "name* filter=argc" >.gitattributes &&
 192
 193         # delete the files and check them out again, using a smudge filter
 194         # that will count the args and echo the command-line back to us
 195         test_config filter.argc.smudge "sh ./argc.sh %f" &&
 196         rm "$normal" "$special" &&
 197         git checkout -- "$normal" "$special" &&
 198
 199         # make sure argc.sh counted the right number of args
 200         echo "argc: 1 $normal" >expect &&
 201         test_cmp expect "$normal" &&
 202         echo "argc: 1 $special" >expect &&
 203         test_cmp expect "$special" &&
 204
 205         # do the same thing, but with more args in the filter expression
 206         test_config filter.argc.smudge "sh ./argc.sh %f --my-extra-arg" &&
 207         rm "$normal" "$special" &&
 208         git checkout -- "$normal" "$special" &&
 209
 210         # make sure argc.sh counted the right number of args
 211         echo "argc: 2 $normal --my-extra-arg" >expect &&
 212         test_cmp expect "$normal" &&
 213         echo "argc: 2 $special --my-extra-arg" >expect &&
 214         test_cmp expect "$special" &&
 215         :
 216 '
 217
 218 test_expect_success 'required filter should filter data' '
 219         test_config filter.required.smudge ./rot13.sh &&
 220         test_config filter.required.clean ./rot13.sh &&
 221         test_config filter.required.required true &&
 222
 223         echo "*.r filter=required" >.gitattributes &&
 224
 225         cat test.o >test.r &&
 226         git add test.r &&
 227
 228         rm -f test.r &&
 229         git checkout -- test.r &&
 230         test_cmp test.o test.r &&
 231
 232         ./rot13.sh <test.o >expected &&
 233         git cat-file blob :test.r >actual &&
 234         test_cmp expected actual
 235 '
 236
 237 test_expect_success 'required filter smudge failure' '
 238         test_config filter.failsmudge.smudge false &&
 239         test_config filter.failsmudge.clean cat &&
 240         test_config filter.failsmudge.required true &&
 241
 242         echo "*.fs filter=failsmudge" >.gitattributes &&
 243
 244         echo test >test.fs &&
 245         git add test.fs &&
 246         rm -f test.fs &&
 247         test_must_fail git checkout -- test.fs
 248 '
 249
 250 test_expect_success 'required filter clean failure' '
 251         test_config filter.failclean.smudge cat &&
 252         test_config filter.failclean.clean false &&
 253         test_config filter.failclean.required true &&
 254
 255         echo "*.fc filter=failclean" >.gitattributes &&
 256
 257         echo test >test.fc &&
 258         test_must_fail git add test.fc
 259 '
 260
 261 test_expect_success 'filtering large input to small output should use little memory' '
 262         test_config filter.devnull.clean "cat >/dev/null" &&
 263         test_config filter.devnull.required true &&
 264         for i in $(test_seq 1 30); do printf "%1048576d" 1; done >30MB &&
 265         echo "30MB filter=devnull" >.gitattributes &&
 266         GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add 30MB
 267 '
 268
 269 test_expect_success 'filter that does not read is fine' '
 270         test-tool genrandom foo $((128 * 1024 + 1)) >big &&
 271         echo "big filter=epipe" >.gitattributes &&
 272         test_config filter.epipe.clean "echo xyzzy" &&
 273         git add big &&
 274         git cat-file blob :big >actual &&
 275         echo xyzzy >expect &&
 276         test_cmp expect actual
 277 '
 278
 279 test_expect_success EXPENSIVE 'filter large file' '
 280         test_config filter.largefile.smudge cat &&
 281         test_config filter.largefile.clean cat &&
 282         for i in $(test_seq 1 2048); do printf "%1048576d" 1; done >2GB &&
 283         echo "2GB filter=largefile" >.gitattributes &&
 284         git add 2GB 2>err &&
 285         test_must_be_empty err &&
 286         rm -f 2GB &&
 287         git checkout -- 2GB 2>err &&
 288         test_must_be_empty err
 289 '
 290
 291 test_expect_success "filter: clean empty file" '
 292         test_config filter.in-repo-header.clean  "echo cleaned && cat" &&
 293         test_config filter.in-repo-header.smudge "sed 1d" &&
 294
 295         echo "empty-in-worktree    filter=in-repo-header" >>.gitattributes &&
 296         >empty-in-worktree &&
 297
 298         echo cleaned >expected &&
 299         git add empty-in-worktree &&
 300         git show :empty-in-worktree >actual &&
 301         test_cmp expected actual
 302 '
 303
 304 test_expect_success "filter: smudge empty file" '
 305         test_config filter.empty-in-repo.clean "cat >/dev/null" &&
 306         test_config filter.empty-in-repo.smudge "echo smudged && cat" &&
 307
 308         echo "empty-in-repo filter=empty-in-repo" >>.gitattributes &&
 309         echo dead data walking >empty-in-repo &&
 310         git add empty-in-repo &&
 311
 312         echo smudged >expected &&
 313         git checkout-index --prefix=filtered- empty-in-repo &&
 314         test_cmp expected filtered-empty-in-repo
 315 '
 316
 317 test_expect_success 'disable filter with empty override' '
 318         test_config_global filter.disable.smudge false &&
 319         test_config_global filter.disable.clean false &&
 320         test_config filter.disable.smudge false &&
 321         test_config filter.disable.clean false &&
 322
 323         echo "*.disable filter=disable" >.gitattributes &&
 324
 325         echo test >test.disable &&
 326         git -c filter.disable.clean= add test.disable 2>err &&
 327         test_must_be_empty err &&
 328         rm -f test.disable &&
 329         git -c filter.disable.smudge= checkout -- test.disable 2>err &&
 330         test_must_be_empty err
 331 '
 332
 333 test_expect_success 'diff does not reuse worktree files that need cleaning' '
 334         test_config filter.counter.clean "echo . >>count; sed s/^/clean:/" &&
 335         echo "file filter=counter" >.gitattributes &&
 336         test_commit one file &&
 337         test_commit two file &&
 338
 339         >count &&
 340         git diff-tree -p HEAD &&
 341         test_line_count = 0 count
 342 '
 343
 344 test_expect_success PERL 'required process filter should filter data' '
 345         test_config_global filter.protocol.process "rot13-filter.pl debug.log clean smudge" &&
 346         test_config_global filter.protocol.required true &&
 347         rm -rf repo &&
 348         mkdir repo &&
 349         (
 350                 cd repo &&
 351                 git init &&
 352
 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=$(file_size "testsubdir/test3 '\''sq'\'',\$x=.r") &&
 367                 M=$(git hash-object test.r) &&
 368                 M2=$(git hash-object test2.r) &&
 369                 M3=$(git hash-object "testsubdir/test3 '\''sq'\'',\$x=.r") &&
 370                 EMPTY=$(git hash-object /dev/null) &&
 371
 372                 filter_git add . &&
 373                 cat >expected.log <<-EOF &&
 374                         START
 375                         init handshake complete
 376                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 377                         IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
 378                         IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
 379                         IN: clean testsubdir/test3 '\''sq'\'',\$x=.r $S3 [OK] -- OUT: $S3 . [OK]
 380                         STOP
 381                 EOF
 382                 test_cmp_count expected.log debug.log &&
 383
 384                 git commit -m "test commit 2" &&
 385                 MASTER=$(git rev-parse --verify master) &&
 386                 META="ref=refs/heads/master treeish=$MASTER" &&
 387                 rm -f test2.r "testsubdir/test3 '\''sq'\'',\$x=.r" &&
 388
 389                 filter_git checkout --quiet --no-progress . &&
 390                 cat >expected.log <<-EOF &&
 391                         START
 392                         init handshake complete
 393                         IN: smudge test2.r blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
 394                         IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
 395                         STOP
 396                 EOF
 397                 test_cmp_exclude_clean expected.log debug.log &&
 398
 399                 # Make sure that the file appears dirty, so checkout below has to
 400                 # run the configured filter.
 401                 touch test.r &&
 402                 filter_git checkout --quiet --no-progress empty-branch &&
 403                 cat >expected.log <<-EOF &&
 404                         START
 405                         init handshake complete
 406                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 407                         STOP
 408                 EOF
 409                 test_cmp_exclude_clean expected.log debug.log &&
 410
 411                 filter_git checkout --quiet --no-progress master &&
 412                 cat >expected.log <<-EOF &&
 413                         START
 414                         init handshake complete
 415                         IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
 416                         IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
 417                         IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0  [OK]
 418                         IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
 419                         STOP
 420                 EOF
 421                 test_cmp_exclude_clean expected.log debug.log &&
 422
 423                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 424                 test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 425                 test_cmp_committed_rot13 "$TEST_ROOT/test3 '\''sq'\'',\$x=.o" "testsubdir/test3 '\''sq'\'',\$x=.r"
 426         )
 427 '
 428
 429 test_expect_success PERL 'required process filter should filter data for various subcommands' '
 430         test_config_global filter.protocol.process "rot13-filter.pl debug.log clean smudge" &&
 431         test_config_global filter.protocol.required true &&
 432         (
 433                 cd repo &&
 434
 435                 S=$(file_size test.r) &&
 436                 S2=$(file_size test2.r) &&
 437                 S3=$(file_size "testsubdir/test3 '\''sq'\'',\$x=.r") &&
 438                 M=$(git hash-object test.r) &&
 439                 M2=$(git hash-object test2.r) &&
 440                 M3=$(git hash-object "testsubdir/test3 '\''sq'\'',\$x=.r") &&
 441                 EMPTY=$(git hash-object /dev/null) &&
 442
 443                 MASTER=$(git rev-parse --verify master) &&
 444
 445                 cp "$TEST_ROOT/test.o" test5.r &&
 446                 git add test5.r &&
 447                 git commit -m "test commit 3" &&
 448                 git checkout empty-branch &&
 449                 filter_git rebase --onto empty-branch master^^ master &&
 450                 META="ref=refs/heads/master treeish=$(git rev-parse --verify master)" &&
 451                 cat >expected.log <<-EOF &&
 452                         START
 453                         init handshake complete
 454                         IN: smudge test.r $META blob=$M $S [OK] -- OUT: $S . [OK]
 455                         IN: smudge test2.r $META blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
 456                         IN: smudge test4-empty.r $META blob=$EMPTY 0 [OK] -- OUT: 0  [OK]
 457                         IN: smudge test5.r $META blob=$M $S [OK] -- OUT: $S . [OK]
 458                         IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $META blob=$M3 $S3 [OK] -- OUT: $S3 . [OK]
 459                         STOP
 460                 EOF
 461                 test_cmp_exclude_clean expected.log debug.log
 462         )
 463 '
 464
 465 test_expect_success PERL 'required process filter takes precedence' '
 466         test_config_global filter.protocol.clean false &&
 467         test_config_global filter.protocol.process "rot13-filter.pl debug.log clean" &&
 468         test_config_global filter.protocol.required true &&
 469         rm -rf repo &&
 470         mkdir repo &&
 471         (
 472                 cd repo &&
 473                 git init &&
 474
 475                 echo "*.r filter=protocol" >.gitattributes &&
 476                 cp "$TEST_ROOT/test.o" test.r &&
 477                 S=$(file_size test.r) &&
 478
 479                 # Check that the process filter is invoked here
 480                 filter_git add . &&
 481                 cat >expected.log <<-EOF &&
 482                         START
 483                         init handshake complete
 484                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 485                         STOP
 486                 EOF
 487                 test_cmp_count expected.log debug.log
 488         )
 489 '
 490
 491 test_expect_success PERL 'required process filter should be used only for "clean" operation only' '
 492         test_config_global filter.protocol.process "rot13-filter.pl debug.log clean" &&
 493         rm -rf repo &&
 494         mkdir repo &&
 495         (
 496                 cd repo &&
 497                 git init &&
 498
 499                 echo "*.r filter=protocol" >.gitattributes &&
 500                 cp "$TEST_ROOT/test.o" test.r &&
 501                 S=$(file_size test.r) &&
 502
 503                 filter_git add . &&
 504                 cat >expected.log <<-EOF &&
 505                         START
 506                         init handshake complete
 507                         IN: clean test.r $S [OK] -- OUT: $S . [OK]
 508                         STOP
 509                 EOF
 510                 test_cmp_count expected.log debug.log &&
 511
 512                 rm test.r &&
 513
 514                 filter_git checkout --quiet --no-progress . &&
 515                 # If the filter would be used for "smudge", too, we would see
 516                 # "IN: smudge test.r 57 [OK] -- OUT: 57 . [OK]" here
 517                 cat >expected.log <<-EOF &&
 518                         START
 519                         init handshake complete
 520                         STOP
 521                 EOF
 522                 test_cmp_exclude_clean expected.log debug.log
 523         )
 524 '
 525
 526 test_expect_success PERL 'required process filter should process multiple packets' '
 527         test_config_global filter.protocol.process "rot13-filter.pl debug.log clean smudge" &&
 528         test_config_global filter.protocol.required true &&
 529
 530         rm -rf repo &&
 531         mkdir repo &&
 532         (
 533                 cd repo &&
 534                 git init &&
 535
 536                 # Generate data requiring 1, 2, 3 packets
 537                 S=65516 && # PKTLINE_DATA_MAXLEN -> Maximal size of a packet
 538                 generate_random_characters $(($S    )) 1pkt_1__.file &&
 539                 generate_random_characters $(($S  +1)) 2pkt_1+1.file &&
 540                 generate_random_characters $(($S*2-1)) 2pkt_2-1.file &&
 541                 generate_random_characters $(($S*2  )) 2pkt_2__.file &&
 542                 generate_random_characters $(($S*2+1)) 3pkt_2+1.file &&
 543
 544                 for FILE in "$TEST_ROOT"/*.file
 545                 do
 546                         cp "$FILE" . &&
 547                         rot13.sh <"$FILE" >"$FILE.rot13"
 548                 done &&
 549
 550                 echo "*.file filter=protocol" >.gitattributes &&
 551                 filter_git add *.file .gitattributes &&
 552                 cat >expected.log <<-EOF &&
 553                         START
 554                         init handshake complete
 555                         IN: clean 1pkt_1__.file $(($S    )) [OK] -- OUT: $(($S    )) . [OK]
 556                         IN: clean 2pkt_1+1.file $(($S  +1)) [OK] -- OUT: $(($S  +1)) .. [OK]
 557                         IN: clean 2pkt_2-1.file $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
 558                         IN: clean 2pkt_2__.file $(($S*2  )) [OK] -- OUT: $(($S*2  )) .. [OK]
 559                         IN: clean 3pkt_2+1.file $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
 560                         STOP
 561                 EOF
 562                 test_cmp_count expected.log debug.log &&
 563
 564                 M1="blob=$(git hash-object 1pkt_1__.file)" &&
 565                 M2="blob=$(git hash-object 2pkt_1+1.file)" &&
 566                 M3="blob=$(git hash-object 2pkt_2-1.file)" &&
 567                 M4="blob=$(git hash-object 2pkt_2__.file)" &&
 568                 M5="blob=$(git hash-object 3pkt_2+1.file)" &&
 569                 rm -f *.file debug.log &&
 570
 571                 filter_git checkout --quiet --no-progress -- *.file &&
 572                 cat >expected.log <<-EOF &&
 573                         START
 574                         init handshake complete
 575                         IN: smudge 1pkt_1__.file $M1 $(($S    )) [OK] -- OUT: $(($S    )) . [OK]
 576                         IN: smudge 2pkt_1+1.file $M2 $(($S  +1)) [OK] -- OUT: $(($S  +1)) .. [OK]
 577                         IN: smudge 2pkt_2-1.file $M3 $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
 578                         IN: smudge 2pkt_2__.file $M4 $(($S*2  )) [OK] -- OUT: $(($S*2  )) .. [OK]
 579                         IN: smudge 3pkt_2+1.file $M5 $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
 580                         STOP
 581                 EOF
 582                 test_cmp_exclude_clean expected.log debug.log &&
 583
 584                 for FILE in *.file
 585                 do
 586                         test_cmp_committed_rot13 "$TEST_ROOT/$FILE" $FILE
 587                 done
 588         )
 589 '
 590
 591 test_expect_success PERL 'required process filter with clean error should fail' '
 592         test_config_global filter.protocol.process "rot13-filter.pl debug.log clean smudge" &&
 593         test_config_global filter.protocol.required true &&
 594         rm -rf repo &&
 595         mkdir repo &&
 596         (
 597                 cd repo &&
 598                 git init &&
 599
 600                 echo "*.r filter=protocol" >.gitattributes &&
 601
 602                 cp "$TEST_ROOT/test.o" test.r &&
 603                 echo "this is going to fail" >clean-write-fail.r &&
 604                 echo "content-test3-subdir" >test3.r &&
 605
 606                 test_must_fail git add .
 607         )
 608 '
 609
 610 test_expect_success PERL 'process filter should restart after unexpected write failure' '
 611         test_config_global filter.protocol.process "rot13-filter.pl debug.log clean smudge" &&
 612         rm -rf repo &&
 613         mkdir repo &&
 614         (
 615                 cd repo &&
 616                 git init &&
 617
 618                 echo "*.r filter=protocol" >.gitattributes &&
 619
 620                 cp "$TEST_ROOT/test.o" test.r &&
 621                 cp "$TEST_ROOT/test2.o" test2.r &&
 622                 echo "this is going to fail" >smudge-write-fail.o &&
 623                 cp smudge-write-fail.o smudge-write-fail.r &&
 624
 625                 S=$(file_size test.r) &&
 626                 S2=$(file_size test2.r) &&
 627                 SF=$(file_size smudge-write-fail.r) &&
 628                 M=$(git hash-object test.r) &&
 629                 M2=$(git hash-object test2.r) &&
 630                 MF=$(git hash-object smudge-write-fail.r) &&
 631                 rm -f debug.log &&
 632
 633                 git add . &&
 634                 rm -f *.r &&
 635
 636                 rm -f debug.log &&
 637                 git checkout --quiet --no-progress . 2>git-stderr.log &&
 638
 639                 grep "smudge write error at" git-stderr.log &&
 640                 test_i18ngrep "error: external filter" git-stderr.log &&
 641
 642                 cat >expected.log <<-EOF &&
 643                         START
 644                         init handshake complete
 645                         IN: smudge smudge-write-fail.r blob=$MF $SF [OK] -- [WRITE FAIL]
 646                         START
 647                         init handshake complete
 648                         IN: smudge test.r blob=$M $S [OK] -- OUT: $S . [OK]
 649                         IN: smudge test2.r blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
 650                         STOP
 651                 EOF
 652                 test_cmp_exclude_clean expected.log debug.log &&
 653
 654                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 655                 test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 656
 657                 # Smudge failed
 658                 ! test_cmp smudge-write-fail.o smudge-write-fail.r &&
 659                 rot13.sh <smudge-write-fail.o >expected &&
 660                 git cat-file blob :smudge-write-fail.r >actual &&
 661                 test_cmp expected actual
 662         )
 663 '
 664
 665 test_expect_success PERL 'process filter should not be restarted if it signals an error' '
 666         test_config_global filter.protocol.process "rot13-filter.pl debug.log clean smudge" &&
 667         rm -rf repo &&
 668         mkdir repo &&
 669         (
 670                 cd repo &&
 671                 git init &&
 672
 673                 echo "*.r filter=protocol" >.gitattributes &&
 674
 675                 cp "$TEST_ROOT/test.o" test.r &&
 676                 cp "$TEST_ROOT/test2.o" test2.r &&
 677                 echo "this will cause an error" >error.o &&
 678                 cp error.o error.r &&
 679
 680                 S=$(file_size test.r) &&
 681                 S2=$(file_size test2.r) &&
 682                 SE=$(file_size error.r) &&
 683                 M=$(git hash-object test.r) &&
 684                 M2=$(git hash-object test2.r) &&
 685                 ME=$(git hash-object error.r) &&
 686                 rm -f debug.log &&
 687
 688                 git add . &&
 689                 rm -f *.r &&
 690
 691                 filter_git checkout --quiet --no-progress . &&
 692                 cat >expected.log <<-EOF &&
 693                         START
 694                         init handshake complete
 695                         IN: smudge error.r blob=$ME $SE [OK] -- [ERROR]
 696                         IN: smudge test.r blob=$M $S [OK] -- OUT: $S . [OK]
 697                         IN: smudge test2.r blob=$M2 $S2 [OK] -- OUT: $S2 . [OK]
 698                         STOP
 699                 EOF
 700                 test_cmp_exclude_clean expected.log debug.log &&
 701
 702                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 703                 test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 704                 test_cmp error.o error.r
 705         )
 706 '
 707
 708 test_expect_success PERL 'process filter abort stops processing of all further files' '
 709         test_config_global filter.protocol.process "rot13-filter.pl debug.log clean smudge" &&
 710         rm -rf repo &&
 711         mkdir repo &&
 712         (
 713                 cd repo &&
 714                 git init &&
 715
 716                 echo "*.r filter=protocol" >.gitattributes &&
 717
 718                 cp "$TEST_ROOT/test.o" test.r &&
 719                 cp "$TEST_ROOT/test2.o" test2.r &&
 720                 echo "error this blob and all future blobs" >abort.o &&
 721                 cp abort.o abort.r &&
 722
 723                 M="blob=$(git hash-object abort.r)" &&
 724                 rm -f debug.log &&
 725                 SA=$(file_size abort.r) &&
 726
 727                 git add . &&
 728                 rm -f *.r &&
 729
 730
 731                 # Note: This test assumes that Git filters files in alphabetical
 732                 # order ("abort.r" before "test.r").
 733                 filter_git checkout --quiet --no-progress . &&
 734                 cat >expected.log <<-EOF &&
 735                         START
 736                         init handshake complete
 737                         IN: smudge abort.r $M $SA [OK] -- [ABORT]
 738                         STOP
 739                 EOF
 740                 test_cmp_exclude_clean expected.log debug.log &&
 741
 742                 test_cmp "$TEST_ROOT/test.o" test.r &&
 743                 test_cmp "$TEST_ROOT/test2.o" test2.r &&
 744                 test_cmp abort.o abort.r
 745         )
 746 '
 747
 748 test_expect_success PERL 'invalid process filter must fail (and not hang!)' '
 749         test_config_global filter.protocol.process cat &&
 750         test_config_global filter.protocol.required true &&
 751         rm -rf repo &&
 752         mkdir repo &&
 753         (
 754                 cd repo &&
 755                 git init &&
 756
 757                 echo "*.r filter=protocol" >.gitattributes &&
 758
 759                 cp "$TEST_ROOT/test.o" test.r &&
 760                 test_must_fail git add . 2>git-stderr.log &&
 761                 grep "expected git-filter-server" git-stderr.log
 762         )
 763 '
 764
 765 test_expect_success PERL 'delayed checkout in process filter' '
 766         test_config_global filter.a.process "rot13-filter.pl a.log clean smudge delay" &&
 767         test_config_global filter.a.required true &&
 768         test_config_global filter.b.process "rot13-filter.pl b.log clean smudge delay" &&
 769         test_config_global filter.b.required true &&
 770
 771         rm -rf repo &&
 772         mkdir repo &&
 773         (
 774                 cd repo &&
 775                 git init &&
 776                 echo "*.a filter=a" >.gitattributes &&
 777                 echo "*.b filter=b" >>.gitattributes &&
 778                 cp "$TEST_ROOT/test.o" test.a &&
 779                 cp "$TEST_ROOT/test.o" test-delay10.a &&
 780                 cp "$TEST_ROOT/test.o" test-delay11.a &&
 781                 cp "$TEST_ROOT/test.o" test-delay20.a &&
 782                 cp "$TEST_ROOT/test.o" test-delay10.b &&
 783                 git add . &&
 784                 git commit -m "test commit"
 785         ) &&
 786
 787         S=$(file_size "$TEST_ROOT/test.o") &&
 788         PM="ref=refs/heads/master treeish=$(git -C repo rev-parse --verify master) " &&
 789         M="${PM}blob=$(git -C repo rev-parse --verify master:test.a)" &&
 790         cat >a.exp <<-EOF &&
 791                 START
 792                 init handshake complete
 793                 IN: smudge test.a $M $S [OK] -- OUT: $S . [OK]
 794                 IN: smudge test-delay10.a $M $S [OK] -- [DELAYED]
 795                 IN: smudge test-delay11.a $M $S [OK] -- [DELAYED]
 796                 IN: smudge test-delay20.a $M $S [OK] -- [DELAYED]
 797                 IN: list_available_blobs test-delay10.a test-delay11.a [OK]
 798                 IN: smudge test-delay10.a $M 0 [OK] -- OUT: $S . [OK]
 799                 IN: smudge test-delay11.a $M 0 [OK] -- OUT: $S . [OK]
 800                 IN: list_available_blobs test-delay20.a [OK]
 801                 IN: smudge test-delay20.a $M 0 [OK] -- OUT: $S . [OK]
 802                 IN: list_available_blobs [OK]
 803                 STOP
 804         EOF
 805         cat >b.exp <<-EOF &&
 806                 START
 807                 init handshake complete
 808                 IN: smudge test-delay10.b $M $S [OK] -- [DELAYED]
 809                 IN: list_available_blobs test-delay10.b [OK]
 810                 IN: smudge test-delay10.b $M 0 [OK] -- OUT: $S . [OK]
 811                 IN: list_available_blobs [OK]
 812                 STOP
 813         EOF
 814
 815         rm -rf repo-cloned &&
 816         filter_git clone repo repo-cloned &&
 817         test_cmp_count a.exp repo-cloned/a.log &&
 818         test_cmp_count b.exp repo-cloned/b.log &&
 819
 820         (
 821                 cd repo-cloned &&
 822                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.a &&
 823                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay10.a &&
 824                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay11.a &&
 825                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay20.a &&
 826                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay10.b &&
 827
 828                 rm *.a *.b &&
 829                 filter_git checkout . &&
 830                 # We are not checking out a ref here, so filter out ref metadata.
 831                 sed -e "s!$PM!!" ../a.exp >a.exp.filtered &&
 832                 sed -e "s!$PM!!" ../b.exp >b.exp.filtered &&
 833                 test_cmp_count a.exp.filtered a.log &&
 834                 test_cmp_count b.exp.filtered b.log &&
 835
 836                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.a &&
 837                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay10.a &&
 838                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay11.a &&
 839                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay20.a &&
 840                 test_cmp_committed_rot13 "$TEST_ROOT/test.o" test-delay10.b
 841         )
 842 '
 843
 844 test_expect_success PERL 'missing file in delayed checkout' '
 845         test_config_global filter.bug.process "rot13-filter.pl bug.log clean smudge delay" &&
 846         test_config_global filter.bug.required true &&
 847
 848         rm -rf repo &&
 849         mkdir repo &&
 850         (
 851                 cd repo &&
 852                 git init &&
 853                 echo "*.a filter=bug" >.gitattributes &&
 854                 cp "$TEST_ROOT/test.o" missing-delay.a &&
 855                 git add . &&
 856                 git commit -m "test commit"
 857         ) &&
 858
 859         rm -rf repo-cloned &&
 860         test_must_fail git clone repo repo-cloned 2>git-stderr.log &&
 861         grep "error: .missing-delay\.a. was not filtered properly" git-stderr.log
 862 '
 863
 864 test_expect_success PERL 'invalid file in delayed checkout' '
 865         test_config_global filter.bug.process "rot13-filter.pl bug.log clean smudge delay" &&
 866         test_config_global filter.bug.required true &&
 867
 868         rm -rf repo &&
 869         mkdir repo &&
 870         (
 871                 cd repo &&
 872                 git init &&
 873                 echo "*.a filter=bug" >.gitattributes &&
 874                 cp "$TEST_ROOT/test.o" invalid-delay.a &&
 875                 cp "$TEST_ROOT/test.o" unfiltered &&
 876                 git add . &&
 877                 git commit -m "test commit"
 878         ) &&
 879
 880         rm -rf repo-cloned &&
 881         test_must_fail git clone repo repo-cloned 2>git-stderr.log &&
 882         grep "error: external filter .* signaled that .unfiltered. is now available although it has not been delayed earlier" git-stderr.log
 883 '
 884
 885 test_done