Andrew's git - gitweb.git/blob - t/t0021-conversion.sh

   1#!/bin/sh
   2
   3test_description='blob conversion via gitattributes'
   4
   5. ./test-lib.sh
   6
   7TEST_ROOT="$PWD"
   8PATH=$TEST_ROOT:$PATH
   9
  10write_script <<\EOF "$TEST_ROOT/rot13.sh"
  11tr \
  12  'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' \
  13  'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
  14EOF
  15
  16write_script rot13-filter.pl "$PERL_PATH" \
  17        <"$TEST_DIRECTORY"/t0021/rot13-filter.pl
  18
  19generate_random_characters () {
  20        LEN=$1
  21        NAME=$2
  22        test-genrandom some-seed $LEN |
  23                perl -pe "s/./chr((ord($&) % 26) + ord('a'))/sge" >"$TEST_ROOT/$NAME"
  24}
  25
  26file_size () {
  27        perl -e 'print -s $ARGV[0]' "$1"
  28}
  29
  30filter_git () {
  31        rm -f rot13-filter.log &&
  32        git "$@"
  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://public-inbox.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
  39test_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: /" >"$FILE.tmp" &&
  46                mv "$FILE.tmp" "$FILE" || return
  47        done &&
  48        test_cmp "$expect" "$actual"
  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://public-inbox.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
  54test_cmp_exclude_clean () {
  55        expect=$1
  56        actual=$2
  57        for FILE in "$expect" "$actual"
  58        do
  59                grep -v "IN: clean" "$FILE" >"$FILE.tmp" &&
  60                mv "$FILE.tmp" "$FILE"
  61        done &&
  62        test_cmp "$expect" "$actual"
  63}
  64
  65# Check that the contents of two files are equal and that their rot13 version
  66# is equal to the committed content.
  67test_cmp_committed_rot13 () {
  68        test_cmp "$1" "$2" &&
  69        rot13.sh <"$1" >expected &&
  70        git cat-file blob :"$2" >actual &&
  71        test_cmp expected actual
  72}
  73
  74test_expect_success setup '
  75        git config filter.rot13.smudge ./rot13.sh &&
  76        git config filter.rot13.clean ./rot13.sh &&
  77
  78        {
  79            echo "*.t filter=rot13"
  80            echo "*.i ident"
  81        } >.gitattributes &&
  82
  83        {
  84            echo a b c d e f g h i j k l m
  85            echo n o p q r s t u v w x y z
  86            echo '\''$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
  99script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
 100
 101test_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$embedded" &&
 111
 112        git cat-file blob :test.t >test.r &&
 113
 114        ./rot13.sh <test.o >test.t &&
 115        test_cmp test.r test.t
 116'
 117
 118# If an expanded ident ever gets into the repository, we want to make sure that
 119# it is collapsed before being expanded again on checkout
 120test_expect_success expanded_in_repo '
 121        {
 122                echo "File with expanded keywords"
 123                echo "\$Id\$"
 124                echo "\$Id:\$"
 125                echo "\$Id: 0000000000000000000000000000000000000000 \$"
 126                echo "\$Id: NoSpaceAtEnd\$"
 127                echo "\$Id:NoSpaceAtFront \$"
 128                echo "\$Id:NoSpaceAtEitherEnd\$"
 129                echo "\$Id: NoTerminatingSymbol"
 130                echo "\$Id: Foreign Commit With Spaces \$"
 131        } >expanded-keywords.0 &&
 132
 133        {
 134                cat expanded-keywords.0 &&
 135                printf "\$Id: NoTerminatingSymbolAtEOF"
 136        } >expanded-keywords &&
 137        cat expanded-keywords >expanded-keywords-crlf &&
 138        git add expanded-keywords expanded-keywords-crlf &&
 139        git commit -m "File with keywords expanded" &&
 140        id=$(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: $id \$"
 150                echo "\$Id: NoTerminatingSymbol"
 151                echo "\$Id: Foreign Commit With Spaces \$"
 152        } >expected-output.0 &&
 153        {
 154                cat expected-output.0 &&
 155                printf "\$Id: NoTerminatingSymbolAtEOF"
 156        } >expected-output &&
 157        {
 158                append_cr <expected-output.0 &&
 159                printf "\$Id: NoTerminatingSymbolAtEOF"
 160        } >expected-output-crlf &&
 161        {
 162                echo "expanded-keywords ident"
 163                echo "expanded-keywords-crlf ident text eol=crlf"
 164        } >>.gitattributes &&
 165
 166        rm -f expanded-keywords expanded-keywords-crlf &&
 167
 168        git checkout -- expanded-keywords &&
 169        test_cmp expanded-keywords expected-output &&
 170
 171        git checkout -- expanded-keywords-crlf &&
 172        test_cmp expanded-keywords-crlf expected-output-crlf
 173'
 174
 175# The use of %f in a filter definition is expanded to the path to
 176# the filename being smudged or cleaned.  It must be shell escaped.
 177# First, set up some interesting file names and pet them in
 178# .gitattributes.
 179test_expect_success 'filter shell-escaped filenames' '
 180        cat >argc.sh <<-EOF &&
 181        #!$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
 218test_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
 237test_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
 250test_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
 261test_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
 269test_expect_success 'filter that does not read is fine' '
 270        test-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
 279test_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
 291test_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
 304test_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
 317test_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
 333test_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
 344test_expect_success PERL 'required process filter should filter data' '
 345        test_config_global filter.protocol.process "rot13-filter.pl 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
 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                git commit -m "test commit 2" &&
 381                rm -f test2.r "testsubdir/test3 '\''sq'\'',\$x=.r" &&
 382
 383                filter_git checkout --quiet --no-progress . &&
 384                cat >expected.log <<-EOF &&
 385                        START
 386                        init handshake complete
 387                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 388                        IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $S3 [OK] -- OUT: $S3 . [OK]
 389                        STOP
 390                EOF
 391                test_cmp_exclude_clean expected.log rot13-filter.log &&
 392
 393                filter_git checkout --quiet --no-progress empty-branch &&
 394                cat >expected.log <<-EOF &&
 395                        START
 396                        init handshake complete
 397                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
 398                        STOP
 399                EOF
 400                test_cmp_exclude_clean expected.log rot13-filter.log &&
 401
 402                filter_git checkout --quiet --no-progress master &&
 403                cat >expected.log <<-EOF &&
 404                        START
 405                        init handshake complete
 406                        IN: smudge test.r $S [OK] -- OUT: $S . [OK]
 407                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 408                        IN: smudge test4-empty.r 0 [OK] -- OUT: 0  [OK]
 409                        IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $S3 [OK] -- OUT: $S3 . [OK]
 410                        STOP
 411                EOF
 412                test_cmp_exclude_clean expected.log rot13-filter.log &&
 413
 414                test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 415                test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 416                test_cmp_committed_rot13 "$TEST_ROOT/test3 '\''sq'\'',\$x=.o" "testsubdir/test3 '\''sq'\'',\$x=.r"
 417        )
 418'
 419
 420test_expect_success PERL 'required process filter takes precedence' '
 421        test_config_global filter.protocol.clean false &&
 422        test_config_global filter.protocol.process "rot13-filter.pl clean" &&
 423        test_config_global filter.protocol.required true &&
 424        rm -rf repo &&
 425        mkdir repo &&
 426        (
 427                cd repo &&
 428                git init &&
 429
 430                echo "*.r filter=protocol" >.gitattributes &&
 431                cp "$TEST_ROOT/test.o" test.r &&
 432                S=$(file_size test.r) &&
 433
 434                # Check that the process filter is invoked here
 435                filter_git add . &&
 436                cat >expected.log <<-EOF &&
 437                        START
 438                        init handshake complete
 439                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
 440                        STOP
 441                EOF
 442                test_cmp_count expected.log rot13-filter.log
 443        )
 444'
 445
 446test_expect_success PERL 'required process filter should be used only for "clean" operation only' '
 447        test_config_global filter.protocol.process "rot13-filter.pl clean" &&
 448        rm -rf repo &&
 449        mkdir repo &&
 450        (
 451                cd repo &&
 452                git init &&
 453
 454                echo "*.r filter=protocol" >.gitattributes &&
 455                cp "$TEST_ROOT/test.o" test.r &&
 456                S=$(file_size test.r) &&
 457
 458                filter_git add . &&
 459                cat >expected.log <<-EOF &&
 460                        START
 461                        init handshake complete
 462                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
 463                        STOP
 464                EOF
 465                test_cmp_count expected.log rot13-filter.log &&
 466
 467                rm test.r &&
 468
 469                filter_git checkout --quiet --no-progress . &&
 470                # If the filter would be used for "smudge", too, we would see
 471                # "IN: smudge test.r 57 [OK] -- OUT: 57 . [OK]" here
 472                cat >expected.log <<-EOF &&
 473                        START
 474                        init handshake complete
 475                        STOP
 476                EOF
 477                test_cmp_exclude_clean expected.log rot13-filter.log
 478        )
 479'
 480
 481test_expect_success PERL 'required process filter should process multiple packets' '
 482        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 483        test_config_global filter.protocol.required true &&
 484
 485        rm -rf repo &&
 486        mkdir repo &&
 487        (
 488                cd repo &&
 489                git init &&
 490
 491                # Generate data requiring 1, 2, 3 packets
 492                S=65516 && # PKTLINE_DATA_MAXLEN -> Maximal size of a packet
 493                generate_random_characters $(($S    )) 1pkt_1__.file &&
 494                generate_random_characters $(($S  +1)) 2pkt_1+1.file &&
 495                generate_random_characters $(($S*2-1)) 2pkt_2-1.file &&
 496                generate_random_characters $(($S*2  )) 2pkt_2__.file &&
 497                generate_random_characters $(($S*2+1)) 3pkt_2+1.file &&
 498
 499                for FILE in "$TEST_ROOT"/*.file
 500                do
 501                        cp "$FILE" . &&
 502                        rot13.sh <"$FILE" >"$FILE.rot13"
 503                done &&
 504
 505                echo "*.file filter=protocol" >.gitattributes &&
 506                filter_git add *.file .gitattributes &&
 507                cat >expected.log <<-EOF &&
 508                        START
 509                        init handshake complete
 510                        IN: clean 1pkt_1__.file $(($S    )) [OK] -- OUT: $(($S    )) . [OK]
 511                        IN: clean 2pkt_1+1.file $(($S  +1)) [OK] -- OUT: $(($S  +1)) .. [OK]
 512                        IN: clean 2pkt_2-1.file $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
 513                        IN: clean 2pkt_2__.file $(($S*2  )) [OK] -- OUT: $(($S*2  )) .. [OK]
 514                        IN: clean 3pkt_2+1.file $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
 515                        STOP
 516                EOF
 517                test_cmp_count expected.log rot13-filter.log &&
 518
 519                rm -f *.file &&
 520
 521                filter_git checkout --quiet --no-progress -- *.file &&
 522                cat >expected.log <<-EOF &&
 523                        START
 524                        init handshake complete
 525                        IN: smudge 1pkt_1__.file $(($S    )) [OK] -- OUT: $(($S    )) . [OK]
 526                        IN: smudge 2pkt_1+1.file $(($S  +1)) [OK] -- OUT: $(($S  +1)) .. [OK]
 527                        IN: smudge 2pkt_2-1.file $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
 528                        IN: smudge 2pkt_2__.file $(($S*2  )) [OK] -- OUT: $(($S*2  )) .. [OK]
 529                        IN: smudge 3pkt_2+1.file $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
 530                        STOP
 531                EOF
 532                test_cmp_exclude_clean expected.log rot13-filter.log &&
 533
 534                for FILE in *.file
 535                do
 536                        test_cmp_committed_rot13 "$TEST_ROOT/$FILE" $FILE
 537                done
 538        )
 539'
 540
 541test_expect_success PERL 'required process filter with clean error should fail' '
 542        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 543        test_config_global filter.protocol.required true &&
 544        rm -rf repo &&
 545        mkdir repo &&
 546        (
 547                cd repo &&
 548                git init &&
 549
 550                echo "*.r filter=protocol" >.gitattributes &&
 551
 552                cp "$TEST_ROOT/test.o" test.r &&
 553                echo "this is going to fail" >clean-write-fail.r &&
 554                echo "content-test3-subdir" >test3.r &&
 555
 556                test_must_fail git add .
 557        )
 558'
 559
 560test_expect_success PERL 'process filter should restart after unexpected write failure' '
 561        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 562        rm -rf repo &&
 563        mkdir repo &&
 564        (
 565                cd repo &&
 566                git init &&
 567
 568                echo "*.r filter=protocol" >.gitattributes &&
 569
 570                cp "$TEST_ROOT/test.o" test.r &&
 571                cp "$TEST_ROOT/test2.o" test2.r &&
 572                echo "this is going to fail" >smudge-write-fail.o &&
 573                cp smudge-write-fail.o smudge-write-fail.r &&
 574
 575                S=$(file_size test.r) &&
 576                S2=$(file_size test2.r) &&
 577                SF=$(file_size smudge-write-fail.r) &&
 578
 579                git add . &&
 580                rm -f *.r &&
 581
 582                rm -f rot13-filter.log &&
 583                git checkout --quiet --no-progress . 2>git-stderr.log &&
 584
 585                grep "smudge write error at" git-stderr.log &&
 586                grep "error: external filter" git-stderr.log &&
 587
 588                cat >expected.log <<-EOF &&
 589                        START
 590                        init handshake complete
 591                        IN: smudge smudge-write-fail.r $SF [OK] -- OUT: $SF [WRITE FAIL]
 592                        START
 593                        init handshake complete
 594                        IN: smudge test.r $S [OK] -- OUT: $S . [OK]
 595                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 596                        STOP
 597                EOF
 598                test_cmp_exclude_clean expected.log rot13-filter.log &&
 599
 600                test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 601                test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 602
 603                # Smudge failed
 604                ! test_cmp smudge-write-fail.o smudge-write-fail.r &&
 605                rot13.sh <smudge-write-fail.o >expected &&
 606                git cat-file blob :smudge-write-fail.r >actual &&
 607                test_cmp expected actual
 608        )
 609'
 610
 611test_expect_success PERL 'process filter should not be restarted if it signals an error' '
 612        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 613        rm -rf repo &&
 614        mkdir repo &&
 615        (
 616                cd repo &&
 617                git init &&
 618
 619                echo "*.r filter=protocol" >.gitattributes &&
 620
 621                cp "$TEST_ROOT/test.o" test.r &&
 622                cp "$TEST_ROOT/test2.o" test2.r &&
 623                echo "this will cause an error" >error.o &&
 624                cp error.o error.r &&
 625
 626                S=$(file_size test.r) &&
 627                S2=$(file_size test2.r) &&
 628                SE=$(file_size error.r) &&
 629
 630                git add . &&
 631                rm -f *.r &&
 632
 633                filter_git checkout --quiet --no-progress . &&
 634                cat >expected.log <<-EOF &&
 635                        START
 636                        init handshake complete
 637                        IN: smudge error.r $SE [OK] -- OUT: 0 [ERROR]
 638                        IN: smudge test.r $S [OK] -- OUT: $S . [OK]
 639                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 640                        STOP
 641                EOF
 642                test_cmp_exclude_clean expected.log rot13-filter.log &&
 643
 644                test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 645                test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 646                test_cmp error.o error.r
 647        )
 648'
 649
 650test_expect_success PERL 'process filter abort stops processing of all further files' '
 651        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 652        rm -rf repo &&
 653        mkdir repo &&
 654        (
 655                cd repo &&
 656                git init &&
 657
 658                echo "*.r filter=protocol" >.gitattributes &&
 659
 660                cp "$TEST_ROOT/test.o" test.r &&
 661                cp "$TEST_ROOT/test2.o" test2.r &&
 662                echo "error this blob and all future blobs" >abort.o &&
 663                cp abort.o abort.r &&
 664
 665                SA=$(file_size abort.r) &&
 666
 667                git add . &&
 668                rm -f *.r &&
 669
 670                # Note: This test assumes that Git filters files in alphabetical
 671                # order ("abort.r" before "test.r").
 672                filter_git checkout --quiet --no-progress . &&
 673                cat >expected.log <<-EOF &&
 674                        START
 675                        init handshake complete
 676                        IN: smudge abort.r $SA [OK] -- OUT: 0 [ABORT]
 677                        STOP
 678                EOF
 679                test_cmp_exclude_clean expected.log rot13-filter.log &&
 680
 681                test_cmp "$TEST_ROOT/test.o" test.r &&
 682                test_cmp "$TEST_ROOT/test2.o" test2.r &&
 683                test_cmp abort.o abort.r
 684        )
 685'
 686
 687test_expect_success PERL 'invalid process filter must fail (and not hang!)' '
 688        test_config_global filter.protocol.process cat &&
 689        test_config_global filter.protocol.required true &&
 690        rm -rf repo &&
 691        mkdir repo &&
 692        (
 693                cd repo &&
 694                git init &&
 695
 696                echo "*.r filter=protocol" >.gitattributes &&
 697
 698                cp "$TEST_ROOT/test.o" test.r &&
 699                test_must_fail git add . 2>git-stderr.log &&
 700                grep "does not support filter protocol version" git-stderr.log
 701        )
 702'
 703
 704test_done