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        cat "$1" | wc -c | sed "s/^[ ]*//"
  28}
  29
  30filter_git () {
  31        rm -f rot13-filter.log &&
  32        git "$@" 2>git-stderr.log &&
  33        rm -f git-stderr.log
  34}
  35
  36# Compare two files and ensure that `clean` and `smudge` respectively are
  37# called at least once if specified in the `expect` file. The actual
  38# invocation count is not relevant because their number can vary.
  39# c.f. http://public-inbox.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
  40test_cmp_count () {
  41        expect=$1
  42        actual=$2
  43        for FILE in "$expect" "$actual"
  44        do
  45                sort "$FILE" | uniq -c | sed "s/^[ ]*//" |
  46                        sed "s/^\([0-9]\) IN: clean/x IN: clean/" |
  47                        sed "s/^\([0-9]\) IN: smudge/x IN: smudge/" >"$FILE.tmp" &&
  48                mv "$FILE.tmp" "$FILE"
  49        done &&
  50        test_cmp "$expect" "$actual"
  51}
  52
  53# Compare two files but exclude all `clean` invocations because Git can
  54# call `clean` zero or more times.
  55# c.f. http://public-inbox.org/git/xmqqshv18i8i.fsf@gitster.mtv.corp.google.com/
  56test_cmp_exclude_clean () {
  57        expect=$1
  58        actual=$2
  59        for FILE in "$expect" "$actual"
  60        do
  61                grep -v "IN: clean" "$FILE" >"$FILE.tmp" &&
  62                mv "$FILE.tmp" "$FILE"
  63        done &&
  64        test_cmp "$expect" "$actual"
  65}
  66
  67# Check that the contents of two files are equal and that their rot13 version
  68# is equal to the committed content.
  69test_cmp_committed_rot13 () {
  70        test_cmp "$1" "$2" &&
  71        rot13.sh <"$1" >expected &&
  72        git cat-file blob :"$2" >actual &&
  73        test_cmp expected actual
  74}
  75
  76test_expect_success setup '
  77        git config filter.rot13.smudge ./rot13.sh &&
  78        git config filter.rot13.clean ./rot13.sh &&
  79
  80        {
  81            echo "*.t filter=rot13"
  82            echo "*.i ident"
  83        } >.gitattributes &&
  84
  85        {
  86            echo a b c d e f g h i j k l m
  87            echo n o p q r s t u v w x y z
  88            echo '\''$Id$'\''
  89        } >test &&
  90        cat test >test.t &&
  91        cat test >test.o &&
  92        cat test >test.i &&
  93        git add test test.t test.i &&
  94        rm -f test test.t test.i &&
  95        git checkout -- test test.t test.i &&
  96
  97        echo "content-test2" >test2.o &&
  98        echo "content-test3 - filename with special characters" >"test3 '\''sq'\'',\$x.o"
  99'
 100
 101script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
 102
 103test_expect_success check '
 104
 105        test_cmp test.o test &&
 106        test_cmp test.o test.t &&
 107
 108        # ident should be stripped in the repository
 109        git diff --raw --exit-code :test :test.i &&
 110        id=$(git rev-parse --verify :test) &&
 111        embedded=$(sed -ne "$script" test.i) &&
 112        test "z$id" = "z$embedded" &&
 113
 114        git cat-file blob :test.t >test.r &&
 115
 116        ./rot13.sh <test.o >test.t &&
 117        test_cmp test.r test.t
 118'
 119
 120# If an expanded ident ever gets into the repository, we want to make sure that
 121# it is collapsed before being expanded again on checkout
 122test_expect_success expanded_in_repo '
 123        {
 124                echo "File with expanded keywords"
 125                echo "\$Id\$"
 126                echo "\$Id:\$"
 127                echo "\$Id: 0000000000000000000000000000000000000000 \$"
 128                echo "\$Id: NoSpaceAtEnd\$"
 129                echo "\$Id:NoSpaceAtFront \$"
 130                echo "\$Id:NoSpaceAtEitherEnd\$"
 131                echo "\$Id: NoTerminatingSymbol"
 132                echo "\$Id: Foreign Commit With Spaces \$"
 133        } >expanded-keywords.0 &&
 134
 135        {
 136                cat expanded-keywords.0 &&
 137                printf "\$Id: NoTerminatingSymbolAtEOF"
 138        } >expanded-keywords &&
 139        cat expanded-keywords >expanded-keywords-crlf &&
 140        git add expanded-keywords expanded-keywords-crlf &&
 141        git commit -m "File with keywords expanded" &&
 142        id=$(git rev-parse --verify :expanded-keywords) &&
 143
 144        {
 145                echo "File with expanded keywords"
 146                echo "\$Id: $id \$"
 147                echo "\$Id: $id \$"
 148                echo "\$Id: $id \$"
 149                echo "\$Id: $id \$"
 150                echo "\$Id: $id \$"
 151                echo "\$Id: $id \$"
 152                echo "\$Id: NoTerminatingSymbol"
 153                echo "\$Id: Foreign Commit With Spaces \$"
 154        } >expected-output.0 &&
 155        {
 156                cat expected-output.0 &&
 157                printf "\$Id: NoTerminatingSymbolAtEOF"
 158        } >expected-output &&
 159        {
 160                append_cr <expected-output.0 &&
 161                printf "\$Id: NoTerminatingSymbolAtEOF"
 162        } >expected-output-crlf &&
 163        {
 164                echo "expanded-keywords ident"
 165                echo "expanded-keywords-crlf ident text eol=crlf"
 166        } >>.gitattributes &&
 167
 168        rm -f expanded-keywords expanded-keywords-crlf &&
 169
 170        git checkout -- expanded-keywords &&
 171        test_cmp expanded-keywords expected-output &&
 172
 173        git checkout -- expanded-keywords-crlf &&
 174        test_cmp expanded-keywords-crlf expected-output-crlf
 175'
 176
 177# The use of %f in a filter definition is expanded to the path to
 178# the filename being smudged or cleaned.  It must be shell escaped.
 179# First, set up some interesting file names and pet them in
 180# .gitattributes.
 181test_expect_success 'filter shell-escaped filenames' '
 182        cat >argc.sh <<-EOF &&
 183        #!$SHELL_PATH
 184        cat >/dev/null
 185        echo argc: \$# "\$@"
 186        EOF
 187        normal=name-no-magic &&
 188        special="name  with '\''sq'\'' and \$x" &&
 189        echo some test text >"$normal" &&
 190        echo some test text >"$special" &&
 191        git add "$normal" "$special" &&
 192        git commit -q -m "add files" &&
 193        echo "name* filter=argc" >.gitattributes &&
 194
 195        # delete the files and check them out again, using a smudge filter
 196        # that will count the args and echo the command-line back to us
 197        test_config filter.argc.smudge "sh ./argc.sh %f" &&
 198        rm "$normal" "$special" &&
 199        git checkout -- "$normal" "$special" &&
 200
 201        # make sure argc.sh counted the right number of args
 202        echo "argc: 1 $normal" >expect &&
 203        test_cmp expect "$normal" &&
 204        echo "argc: 1 $special" >expect &&
 205        test_cmp expect "$special" &&
 206
 207        # do the same thing, but with more args in the filter expression
 208        test_config filter.argc.smudge "sh ./argc.sh %f --my-extra-arg" &&
 209        rm "$normal" "$special" &&
 210        git checkout -- "$normal" "$special" &&
 211
 212        # make sure argc.sh counted the right number of args
 213        echo "argc: 2 $normal --my-extra-arg" >expect &&
 214        test_cmp expect "$normal" &&
 215        echo "argc: 2 $special --my-extra-arg" >expect &&
 216        test_cmp expect "$special" &&
 217        :
 218'
 219
 220test_expect_success 'required filter should filter data' '
 221        test_config filter.required.smudge ./rot13.sh &&
 222        test_config filter.required.clean ./rot13.sh &&
 223        test_config filter.required.required true &&
 224
 225        echo "*.r filter=required" >.gitattributes &&
 226
 227        cat test.o >test.r &&
 228        git add test.r &&
 229
 230        rm -f test.r &&
 231        git checkout -- test.r &&
 232        test_cmp test.o test.r &&
 233
 234        ./rot13.sh <test.o >expected &&
 235        git cat-file blob :test.r >actual &&
 236        test_cmp expected actual
 237'
 238
 239test_expect_success 'required filter smudge failure' '
 240        test_config filter.failsmudge.smudge false &&
 241        test_config filter.failsmudge.clean cat &&
 242        test_config filter.failsmudge.required true &&
 243
 244        echo "*.fs filter=failsmudge" >.gitattributes &&
 245
 246        echo test >test.fs &&
 247        git add test.fs &&
 248        rm -f test.fs &&
 249        test_must_fail git checkout -- test.fs
 250'
 251
 252test_expect_success 'required filter clean failure' '
 253        test_config filter.failclean.smudge cat &&
 254        test_config filter.failclean.clean false &&
 255        test_config filter.failclean.required true &&
 256
 257        echo "*.fc filter=failclean" >.gitattributes &&
 258
 259        echo test >test.fc &&
 260        test_must_fail git add test.fc
 261'
 262
 263test_expect_success 'filtering large input to small output should use little memory' '
 264        test_config filter.devnull.clean "cat >/dev/null" &&
 265        test_config filter.devnull.required true &&
 266        for i in $(test_seq 1 30); do printf "%1048576d" 1; done >30MB &&
 267        echo "30MB filter=devnull" >.gitattributes &&
 268        GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add 30MB
 269'
 270
 271test_expect_success 'filter that does not read is fine' '
 272        test-genrandom foo $((128 * 1024 + 1)) >big &&
 273        echo "big filter=epipe" >.gitattributes &&
 274        test_config filter.epipe.clean "echo xyzzy" &&
 275        git add big &&
 276        git cat-file blob :big >actual &&
 277        echo xyzzy >expect &&
 278        test_cmp expect actual
 279'
 280
 281test_expect_success EXPENSIVE 'filter large file' '
 282        test_config filter.largefile.smudge cat &&
 283        test_config filter.largefile.clean cat &&
 284        for i in $(test_seq 1 2048); do printf "%1048576d" 1; done >2GB &&
 285        echo "2GB filter=largefile" >.gitattributes &&
 286        git add 2GB 2>err &&
 287        test_must_be_empty err &&
 288        rm -f 2GB &&
 289        git checkout -- 2GB 2>err &&
 290        test_must_be_empty err
 291'
 292
 293test_expect_success "filter: clean empty file" '
 294        test_config filter.in-repo-header.clean  "echo cleaned && cat" &&
 295        test_config filter.in-repo-header.smudge "sed 1d" &&
 296
 297        echo "empty-in-worktree    filter=in-repo-header" >>.gitattributes &&
 298        >empty-in-worktree &&
 299
 300        echo cleaned >expected &&
 301        git add empty-in-worktree &&
 302        git show :empty-in-worktree >actual &&
 303        test_cmp expected actual
 304'
 305
 306test_expect_success "filter: smudge empty file" '
 307        test_config filter.empty-in-repo.clean "cat >/dev/null" &&
 308        test_config filter.empty-in-repo.smudge "echo smudged && cat" &&
 309
 310        echo "empty-in-repo filter=empty-in-repo" >>.gitattributes &&
 311        echo dead data walking >empty-in-repo &&
 312        git add empty-in-repo &&
 313
 314        echo smudged >expected &&
 315        git checkout-index --prefix=filtered- empty-in-repo &&
 316        test_cmp expected filtered-empty-in-repo
 317'
 318
 319test_expect_success 'disable filter with empty override' '
 320        test_config_global filter.disable.smudge false &&
 321        test_config_global filter.disable.clean false &&
 322        test_config filter.disable.smudge false &&
 323        test_config filter.disable.clean false &&
 324
 325        echo "*.disable filter=disable" >.gitattributes &&
 326
 327        echo test >test.disable &&
 328        git -c filter.disable.clean= add test.disable 2>err &&
 329        test_must_be_empty err &&
 330        rm -f test.disable &&
 331        git -c filter.disable.smudge= checkout -- test.disable 2>err &&
 332        test_must_be_empty err
 333'
 334
 335test_expect_success 'diff does not reuse worktree files that need cleaning' '
 336        test_config filter.counter.clean "echo . >>count; sed s/^/clean:/" &&
 337        echo "file filter=counter" >.gitattributes &&
 338        test_commit one file &&
 339        test_commit two file &&
 340
 341        >count &&
 342        git diff-tree -p HEAD &&
 343        test_line_count = 0 count
 344'
 345
 346test_expect_success PERL 'required process filter should filter data' '
 347        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 348        test_config_global filter.protocol.required true &&
 349        rm -rf repo &&
 350        mkdir repo &&
 351        (
 352                cd repo &&
 353                git init &&
 354
 355                echo "git-stderr.log" >.gitignore &&
 356                echo "*.r filter=protocol" >.gitattributes &&
 357                git add . &&
 358                git commit . -m "test commit 1" &&
 359                git branch empty-branch &&
 360
 361                cp "$TEST_ROOT/test.o" test.r &&
 362                cp "$TEST_ROOT/test2.o" test2.r &&
 363                mkdir testsubdir &&
 364                cp "$TEST_ROOT/test3 '\''sq'\'',\$x.o" "testsubdir/test3 '\''sq'\'',\$x.r" &&
 365                >test4-empty.r &&
 366
 367                S=$(file_size test.r) &&
 368                S2=$(file_size test2.r) &&
 369                S3=$(file_size "testsubdir/test3 '\''sq'\'',\$x.r") &&
 370
 371                filter_git add . &&
 372                cat >expected.log <<-EOF &&
 373                        START
 374                        init handshake complete
 375                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
 376                        IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
 377                        IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
 378                        IN: clean testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 379                        STOP
 380                EOF
 381                test_cmp_count expected.log rot13-filter.log &&
 382
 383                filter_git commit . -m "test commit 2" &&
 384                cat >expected.log <<-EOF &&
 385                        START
 386                        init handshake complete
 387                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
 388                        IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
 389                        IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
 390                        IN: clean testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 391                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
 392                        IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
 393                        IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
 394                        IN: clean testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 395                        STOP
 396                EOF
 397                test_cmp_count expected.log rot13-filter.log &&
 398
 399                rm -f test2.r "testsubdir/test3 '\''sq'\'',\$x.r" &&
 400
 401                filter_git checkout --quiet --no-progress . &&
 402                cat >expected.log <<-EOF &&
 403                        START
 404                        init handshake complete
 405                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 406                        IN: smudge testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 407                        STOP
 408                EOF
 409                test_cmp_exclude_clean expected.log rot13-filter.log &&
 410
 411                filter_git checkout --quiet --no-progress empty-branch &&
 412                cat >expected.log <<-EOF &&
 413                        START
 414                        init handshake complete
 415                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
 416                        STOP
 417                EOF
 418                test_cmp_exclude_clean expected.log rot13-filter.log &&
 419
 420                filter_git checkout --quiet --no-progress master &&
 421                cat >expected.log <<-EOF &&
 422                        START
 423                        init handshake complete
 424                        IN: smudge test.r $S [OK] -- OUT: $S . [OK]
 425                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 426                        IN: smudge test4-empty.r 0 [OK] -- OUT: 0  [OK]
 427                        IN: smudge testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
 428                        STOP
 429                EOF
 430                test_cmp_exclude_clean expected.log rot13-filter.log &&
 431
 432                test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 433                test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 434                test_cmp_committed_rot13 "$TEST_ROOT/test3 '\''sq'\'',\$x.o" "testsubdir/test3 '\''sq'\'',\$x.r"
 435        )
 436'
 437
 438test_expect_success PERL 'required process filter takes precedence' '
 439        test_config_global filter.protocol.clean false &&
 440        test_config_global filter.protocol.process "rot13-filter.pl clean" &&
 441        test_config_global filter.protocol.required true &&
 442        rm -rf repo &&
 443        mkdir repo &&
 444        (
 445                cd repo &&
 446                git init &&
 447
 448                echo "*.r filter=protocol" >.gitattributes &&
 449                cp "$TEST_ROOT/test.o" test.r &&
 450                S=$(file_size test.r) &&
 451
 452                # Check that the process filter is invoked here
 453                filter_git add . &&
 454                cat >expected.log <<-EOF &&
 455                        START
 456                        init handshake complete
 457                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
 458                        STOP
 459                EOF
 460                test_cmp_count expected.log rot13-filter.log
 461        )
 462'
 463
 464test_expect_success PERL 'required process filter should be used only for "clean" operation only' '
 465        test_config_global filter.protocol.process "rot13-filter.pl clean" &&
 466        rm -rf repo &&
 467        mkdir repo &&
 468        (
 469                cd repo &&
 470                git init &&
 471
 472                echo "*.r filter=protocol" >.gitattributes &&
 473                cp "$TEST_ROOT/test.o" test.r &&
 474                S=$(file_size test.r) &&
 475
 476                filter_git add . &&
 477                cat >expected.log <<-EOF &&
 478                        START
 479                        init handshake complete
 480                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
 481                        STOP
 482                EOF
 483                test_cmp_count expected.log rot13-filter.log &&
 484
 485                rm test.r &&
 486
 487                filter_git checkout --quiet --no-progress . &&
 488                # If the filter would be used for "smudge", too, we would see
 489                # "IN: smudge test.r 57 [OK] -- OUT: 57 . [OK]" here
 490                cat >expected.log <<-EOF &&
 491                        START
 492                        init handshake complete
 493                        STOP
 494                EOF
 495                test_cmp_exclude_clean expected.log rot13-filter.log
 496        )
 497'
 498
 499test_expect_success PERL 'required process filter should process multiple packets' '
 500        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 501        test_config_global filter.protocol.required true &&
 502
 503        rm -rf repo &&
 504        mkdir repo &&
 505        (
 506                cd repo &&
 507                git init &&
 508
 509                # Generate data requiring 1, 2, 3 packets
 510                S=65516 && # PKTLINE_DATA_MAXLEN -> Maximal size of a packet
 511                generate_random_characters $(($S    )) 1pkt_1__.file &&
 512                generate_random_characters $(($S  +1)) 2pkt_1+1.file &&
 513                generate_random_characters $(($S*2-1)) 2pkt_2-1.file &&
 514                generate_random_characters $(($S*2  )) 2pkt_2__.file &&
 515                generate_random_characters $(($S*2+1)) 3pkt_2+1.file &&
 516
 517                for FILE in "$TEST_ROOT"/*.file
 518                do
 519                        cp "$FILE" . &&
 520                        rot13.sh <"$FILE" >"$FILE.rot13"
 521                done &&
 522
 523                echo "*.file filter=protocol" >.gitattributes &&
 524                filter_git add *.file .gitattributes &&
 525                cat >expected.log <<-EOF &&
 526                        START
 527                        init handshake complete
 528                        IN: clean 1pkt_1__.file $(($S    )) [OK] -- OUT: $(($S    )) . [OK]
 529                        IN: clean 2pkt_1+1.file $(($S  +1)) [OK] -- OUT: $(($S  +1)) .. [OK]
 530                        IN: clean 2pkt_2-1.file $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
 531                        IN: clean 2pkt_2__.file $(($S*2  )) [OK] -- OUT: $(($S*2  )) .. [OK]
 532                        IN: clean 3pkt_2+1.file $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
 533                        STOP
 534                EOF
 535                test_cmp_count expected.log rot13-filter.log &&
 536
 537                rm -f *.file &&
 538
 539                filter_git checkout --quiet --no-progress -- *.file &&
 540                cat >expected.log <<-EOF &&
 541                        START
 542                        init handshake complete
 543                        IN: smudge 1pkt_1__.file $(($S    )) [OK] -- OUT: $(($S    )) . [OK]
 544                        IN: smudge 2pkt_1+1.file $(($S  +1)) [OK] -- OUT: $(($S  +1)) .. [OK]
 545                        IN: smudge 2pkt_2-1.file $(($S*2-1)) [OK] -- OUT: $(($S*2-1)) .. [OK]
 546                        IN: smudge 2pkt_2__.file $(($S*2  )) [OK] -- OUT: $(($S*2  )) .. [OK]
 547                        IN: smudge 3pkt_2+1.file $(($S*2+1)) [OK] -- OUT: $(($S*2+1)) ... [OK]
 548                        STOP
 549                EOF
 550                test_cmp_exclude_clean expected.log rot13-filter.log &&
 551
 552                for FILE in *.file
 553                do
 554                        test_cmp_committed_rot13 "$TEST_ROOT/$FILE" $FILE
 555                done
 556        )
 557'
 558
 559test_expect_success PERL 'required process filter with clean error should fail' '
 560        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 561        test_config_global filter.protocol.required true &&
 562        rm -rf repo &&
 563        mkdir repo &&
 564        (
 565                cd repo &&
 566                git init &&
 567
 568                echo "*.r filter=protocol" >.gitattributes &&
 569
 570                cp "$TEST_ROOT/test.o" test.r &&
 571                echo "this is going to fail" >clean-write-fail.r &&
 572                echo "content-test3-subdir" >test3.r &&
 573
 574                test_must_fail git add .
 575        )
 576'
 577
 578test_expect_success PERL 'process filter should restart after unexpected write failure' '
 579        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 580        rm -rf repo &&
 581        mkdir repo &&
 582        (
 583                cd repo &&
 584                git init &&
 585
 586                echo "*.r filter=protocol" >.gitattributes &&
 587
 588                cp "$TEST_ROOT/test.o" test.r &&
 589                cp "$TEST_ROOT/test2.o" test2.r &&
 590                echo "this is going to fail" >smudge-write-fail.o &&
 591                cp smudge-write-fail.o smudge-write-fail.r &&
 592
 593                S=$(file_size test.r) &&
 594                S2=$(file_size test2.r) &&
 595                SF=$(file_size smudge-write-fail.r) &&
 596
 597                git add . &&
 598                rm -f *.r &&
 599
 600                rm -f rot13-filter.log &&
 601                git checkout --quiet --no-progress . 2>git-stderr.log &&
 602
 603                grep "smudge write error at" git-stderr.log &&
 604                grep "error: external filter" git-stderr.log &&
 605
 606                cat >expected.log <<-EOF &&
 607                        START
 608                        init handshake complete
 609                        IN: smudge smudge-write-fail.r $SF [OK] -- OUT: $SF [WRITE FAIL]
 610                        START
 611                        init handshake complete
 612                        IN: smudge test.r $S [OK] -- OUT: $S . [OK]
 613                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 614                        STOP
 615                EOF
 616                test_cmp_exclude_clean expected.log rot13-filter.log &&
 617
 618                test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 619                test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 620
 621                # Smudge failed
 622                ! test_cmp smudge-write-fail.o smudge-write-fail.r &&
 623                rot13.sh <smudge-write-fail.o >expected &&
 624                git cat-file blob :smudge-write-fail.r >actual &&
 625                test_cmp expected actual
 626        )
 627'
 628
 629test_expect_success PERL 'process filter should not be restarted if it signals an error' '
 630        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 631        rm -rf repo &&
 632        mkdir repo &&
 633        (
 634                cd repo &&
 635                git init &&
 636
 637                echo "*.r filter=protocol" >.gitattributes &&
 638
 639                cp "$TEST_ROOT/test.o" test.r &&
 640                cp "$TEST_ROOT/test2.o" test2.r &&
 641                echo "this will cause an error" >error.o &&
 642                cp error.o error.r &&
 643
 644                S=$(file_size test.r) &&
 645                S2=$(file_size test2.r) &&
 646                SE=$(file_size error.r) &&
 647
 648                git add . &&
 649                rm -f *.r &&
 650
 651                filter_git checkout --quiet --no-progress . &&
 652                cat >expected.log <<-EOF &&
 653                        START
 654                        init handshake complete
 655                        IN: smudge error.r $SE [OK] -- OUT: 0 [ERROR]
 656                        IN: smudge test.r $S [OK] -- OUT: $S . [OK]
 657                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
 658                        STOP
 659                EOF
 660                test_cmp_exclude_clean expected.log rot13-filter.log &&
 661
 662                test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
 663                test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
 664                test_cmp error.o error.r
 665        )
 666'
 667
 668test_expect_success PERL 'process filter abort stops processing of all further files' '
 669        test_config_global filter.protocol.process "rot13-filter.pl clean smudge" &&
 670        rm -rf repo &&
 671        mkdir repo &&
 672        (
 673                cd repo &&
 674                git init &&
 675
 676                echo "*.r filter=protocol" >.gitattributes &&
 677
 678                cp "$TEST_ROOT/test.o" test.r &&
 679                cp "$TEST_ROOT/test2.o" test2.r &&
 680                echo "error this blob and all future blobs" >abort.o &&
 681                cp abort.o abort.r &&
 682
 683                SA=$(file_size abort.r) &&
 684
 685                git add . &&
 686                rm -f *.r &&
 687
 688                # Note: This test assumes that Git filters files in alphabetical
 689                # order ("abort.r" before "test.r").
 690                filter_git checkout --quiet --no-progress . &&
 691                cat >expected.log <<-EOF &&
 692                        START
 693                        init handshake complete
 694                        IN: smudge abort.r $SA [OK] -- OUT: 0 [ABORT]
 695                        STOP
 696                EOF
 697                test_cmp_exclude_clean expected.log rot13-filter.log &&
 698
 699                test_cmp "$TEST_ROOT/test.o" test.r &&
 700                test_cmp "$TEST_ROOT/test2.o" test2.r &&
 701                test_cmp abort.o abort.r
 702        )
 703'
 704
 705test_expect_success PERL 'invalid process filter must fail (and not hang!)' '
 706        test_config_global filter.protocol.process cat &&
 707        test_config_global filter.protocol.required true &&
 708        rm -rf repo &&
 709        mkdir repo &&
 710        (
 711                cd repo &&
 712                git init &&
 713
 714                echo "*.r filter=protocol" >.gitattributes &&
 715
 716                cp "$TEST_ROOT/test.o" test.r &&
 717                test_must_fail git add . 2>git-stderr.log &&
 718                grep "does not support filter protocol version" git-stderr.log
 719        )
 720'
 721
 722test_done