Andrew's git / gitweb.git / t/t0021-conversion.sh
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t / t0021-conversion.shon commit difftool: fix dir-diff index creation when in a subdirectory (86defcb)
   1#!/bin/sh
   2
   3test_description='blob conversion via gitattributes'
   4
   5. ./test-lib.sh
   6
   7cat <<EOF >rot13.sh
   8#!$SHELL_PATH
   9tr \
  10  'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' \
  11  'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
  12EOF
  13chmod +x rot13.sh
  14
  15test_expect_success setup '
  16        git config filter.rot13.smudge ./rot13.sh &&
  17        git config filter.rot13.clean ./rot13.sh &&
  18
  19        {
  20            echo "*.t filter=rot13"
  21            echo "*.i ident"
  22        } >.gitattributes &&
  23
  24        {
  25            echo a b c d e f g h i j k l m
  26            echo n o p q r s t u v w x y z
  27            echo '\''$Id$'\''
  28        } >test &&
  29        cat test >test.t &&
  30        cat test >test.o &&
  31        cat test >test.i &&
  32        git add test test.t test.i &&
  33        rm -f test test.t test.i &&
  34        git checkout -- test test.t test.i
  35'
  36
  37script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
  38
  39test_expect_success check '
  40
  41        cmp test.o test &&
  42        cmp test.o test.t &&
  43
  44        # ident should be stripped in the repository
  45        git diff --raw --exit-code :test :test.i &&
  46        id=$(git rev-parse --verify :test) &&
  47        embedded=$(sed -ne "$script" test.i) &&
  48        test "z$id" = "z$embedded" &&
  49
  50        git cat-file blob :test.t > test.r &&
  51
  52        ./rot13.sh < test.o > test.t &&
  53        cmp test.r test.t
  54'
  55
  56# If an expanded ident ever gets into the repository, we want to make sure that
  57# it is collapsed before being expanded again on checkout
  58test_expect_success expanded_in_repo '
  59        {
  60                echo "File with expanded keywords"
  61                echo "\$Id\$"
  62                echo "\$Id:\$"
  63                echo "\$Id: 0000000000000000000000000000000000000000 \$"
  64                echo "\$Id: NoSpaceAtEnd\$"
  65                echo "\$Id:NoSpaceAtFront \$"
  66                echo "\$Id:NoSpaceAtEitherEnd\$"
  67                echo "\$Id: NoTerminatingSymbol"
  68                echo "\$Id: Foreign Commit With Spaces \$"
  69        } >expanded-keywords.0 &&
  70
  71        {
  72                cat expanded-keywords.0 &&
  73                printf "\$Id: NoTerminatingSymbolAtEOF"
  74        } >expanded-keywords &&
  75        cat expanded-keywords >expanded-keywords-crlf &&
  76        git add expanded-keywords expanded-keywords-crlf &&
  77        git commit -m "File with keywords expanded" &&
  78        id=$(git rev-parse --verify :expanded-keywords) &&
  79
  80        {
  81                echo "File with expanded keywords"
  82                echo "\$Id: $id \$"
  83                echo "\$Id: $id \$"
  84                echo "\$Id: $id \$"
  85                echo "\$Id: $id \$"
  86                echo "\$Id: $id \$"
  87                echo "\$Id: $id \$"
  88                echo "\$Id: NoTerminatingSymbol"
  89                echo "\$Id: Foreign Commit With Spaces \$"
  90        } >expected-output.0 &&
  91        {
  92                cat expected-output.0 &&
  93                printf "\$Id: NoTerminatingSymbolAtEOF"
  94        } >expected-output &&
  95        {
  96                append_cr <expected-output.0 &&
  97                printf "\$Id: NoTerminatingSymbolAtEOF"
  98        } >expected-output-crlf &&
  99        {
 100                echo "expanded-keywords ident"
 101                echo "expanded-keywords-crlf ident text eol=crlf"
 102        } >>.gitattributes &&
 103
 104        rm -f expanded-keywords expanded-keywords-crlf &&
 105
 106        git checkout -- expanded-keywords &&
 107        test_cmp expanded-keywords expected-output &&
 108
 109        git checkout -- expanded-keywords-crlf &&
 110        test_cmp expanded-keywords-crlf expected-output-crlf
 111'
 112
 113# The use of %f in a filter definition is expanded to the path to
 114# the filename being smudged or cleaned.  It must be shell escaped.
 115# First, set up some interesting file names and pet them in
 116# .gitattributes.
 117test_expect_success 'filter shell-escaped filenames' '
 118        cat >argc.sh <<-EOF &&
 119        #!$SHELL_PATH
 120        cat >/dev/null
 121        echo argc: \$# "\$@"
 122        EOF
 123        normal=name-no-magic &&
 124        special="name  with '\''sq'\'' and \$x" &&
 125        echo some test text >"$normal" &&
 126        echo some test text >"$special" &&
 127        git add "$normal" "$special" &&
 128        git commit -q -m "add files" &&
 129        echo "name* filter=argc" >.gitattributes &&
 130
 131        # delete the files and check them out again, using a smudge filter
 132        # that will count the args and echo the command-line back to us
 133        git config filter.argc.smudge "sh ./argc.sh %f" &&
 134        rm "$normal" "$special" &&
 135        git checkout -- "$normal" "$special" &&
 136
 137        # make sure argc.sh counted the right number of args
 138        echo "argc: 1 $normal" >expect &&
 139        test_cmp expect "$normal" &&
 140        echo "argc: 1 $special" >expect &&
 141        test_cmp expect "$special" &&
 142
 143        # do the same thing, but with more args in the filter expression
 144        git config filter.argc.smudge "sh ./argc.sh %f --my-extra-arg" &&
 145        rm "$normal" "$special" &&
 146        git checkout -- "$normal" "$special" &&
 147
 148        # make sure argc.sh counted the right number of args
 149        echo "argc: 2 $normal --my-extra-arg" >expect &&
 150        test_cmp expect "$normal" &&
 151        echo "argc: 2 $special --my-extra-arg" >expect &&
 152        test_cmp expect "$special" &&
 153        :
 154'
 155
 156test_expect_success 'required filter should filter data' '
 157        git config filter.required.smudge ./rot13.sh &&
 158        git config filter.required.clean ./rot13.sh &&
 159        git config filter.required.required true &&
 160
 161        echo "*.r filter=required" >.gitattributes &&
 162
 163        cat test.o >test.r &&
 164        git add test.r &&
 165
 166        rm -f test.r &&
 167        git checkout -- test.r &&
 168        cmp test.o test.r &&
 169
 170        ./rot13.sh <test.o >expected &&
 171        git cat-file blob :test.r >actual &&
 172        cmp expected actual
 173'
 174
 175test_expect_success 'required filter smudge failure' '
 176        git config filter.failsmudge.smudge false &&
 177        git config filter.failsmudge.clean cat &&
 178        git config filter.failsmudge.required true &&
 179
 180        echo "*.fs filter=failsmudge" >.gitattributes &&
 181
 182        echo test >test.fs &&
 183        git add test.fs &&
 184        rm -f test.fs &&
 185        test_must_fail git checkout -- test.fs
 186'
 187
 188test_expect_success 'required filter clean failure' '
 189        git config filter.failclean.smudge cat &&
 190        git config filter.failclean.clean false &&
 191        git config filter.failclean.required true &&
 192
 193        echo "*.fc filter=failclean" >.gitattributes &&
 194
 195        echo test >test.fc &&
 196        test_must_fail git add test.fc
 197'
 198
 199test_expect_success 'filtering large input to small output should use little memory' '
 200        git config filter.devnull.clean "cat >/dev/null" &&
 201        git config filter.devnull.required true &&
 202        for i in $(test_seq 1 30); do printf "%1048576d" 1; done >30MB &&
 203        echo "30MB filter=devnull" >.gitattributes &&
 204        GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add 30MB
 205'
 206
 207test_expect_success 'filter that does not read is fine' '
 208        test-genrandom foo $((128 * 1024 + 1)) >big &&
 209        echo "big filter=epipe" >.gitattributes &&
 210        git config filter.epipe.clean "echo xyzzy" &&
 211        git add big &&
 212        git cat-file blob :big >actual &&
 213        echo xyzzy >expect &&
 214        test_cmp expect actual
 215'
 216
 217test_expect_success EXPENSIVE 'filter large file' '
 218        git config filter.largefile.smudge cat &&
 219        git config filter.largefile.clean cat &&
 220        for i in $(test_seq 1 2048); do printf "%1048576d" 1; done >2GB &&
 221        echo "2GB filter=largefile" >.gitattributes &&
 222        git add 2GB 2>err &&
 223        ! test -s err &&
 224        rm -f 2GB &&
 225        git checkout -- 2GB 2>err &&
 226        ! test -s err
 227'
 228
 229test_expect_success "filter: clean empty file" '
 230        git config filter.in-repo-header.clean  "echo cleaned && cat" &&
 231        git config filter.in-repo-header.smudge "sed 1d" &&
 232
 233        echo "empty-in-worktree    filter=in-repo-header" >>.gitattributes &&
 234        >empty-in-worktree &&
 235
 236        echo cleaned >expected &&
 237        git add empty-in-worktree &&
 238        git show :empty-in-worktree >actual &&
 239        test_cmp expected actual
 240'
 241
 242test_expect_success "filter: smudge empty file" '
 243        git config filter.empty-in-repo.clean "cat >/dev/null" &&
 244        git config filter.empty-in-repo.smudge "echo smudged && cat" &&
 245
 246        echo "empty-in-repo filter=empty-in-repo" >>.gitattributes &&
 247        echo dead data walking >empty-in-repo &&
 248        git add empty-in-repo &&
 249
 250        echo smudged >expected &&
 251        git checkout-index --prefix=filtered- empty-in-repo &&
 252        test_cmp expected filtered-empty-in-repo
 253'
 254
 255test_expect_success 'disable filter with empty override' '
 256        test_config_global filter.disable.smudge false &&
 257        test_config_global filter.disable.clean false &&
 258        test_config filter.disable.smudge false &&
 259        test_config filter.disable.clean false &&
 260
 261        echo "*.disable filter=disable" >.gitattributes &&
 262
 263        echo test >test.disable &&
 264        git -c filter.disable.clean= add test.disable 2>err &&
 265        test_must_be_empty err &&
 266        rm -f test.disable &&
 267        git -c filter.disable.smudge= checkout -- test.disable 2>err &&
 268        test_must_be_empty err
 269'
 270
 271test_done