t/t0021-conversion.sh

   1 #!/bin/sh
   2
   3 test_description='blob conversion via gitattributes'
   4
   5 . ./test-lib.sh
   6
   7 cat <<EOF >rot13.sh
   8 #!$SHELL_PATH
   9 tr \
  10   'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' \
  11   'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
  12 EOF
  13 chmod +x rot13.sh
  14
  15 test_expect_success setup '
  16         git config filter.rot13.smudge ./rot13.sh &&
  17         git config filter.rot13.clean ./rot13.sh &&
  18
  19         {
  20             echo "*.t filter=rot13"
  21             echo "*.i ident"
  22         } >.gitattributes &&
  23
  24         {
  25             echo a b c d e f g h i j k l m
  26             echo n o p q r s t u v w x y z
  27             echo '\''$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
  37 script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
  38
  39 test_expect_success check '
  40
  41         test_cmp test.o test &&
  42         test_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$embedded" &&
  49
  50         git cat-file blob :test.t >test.r &&
  51
  52         ./rot13.sh <test.o >test.t &&
  53         test_cmp test.r test.t
  54 '
  55
  56 # If an expanded ident ever gets into the repository, we want to make sure that
  57 # it is collapsed before being expanded again on checkout
  58 test_expect_success expanded_in_repo '
  59         {
  60                 echo "File with expanded keywords"
  61                 echo "\$Id\$"
  62                 echo "\$Id:\$"
  63                 echo "\$Id: 0000000000000000000000000000000000000000 \$"
  64                 echo "\$Id: NoSpaceAtEnd\$"
  65                 echo "\$Id:NoSpaceAtFront \$"
  66                 echo "\$Id:NoSpaceAtEitherEnd\$"
  67                 echo "\$Id: NoTerminatingSymbol"
  68                 echo "\$Id: Foreign Commit With Spaces \$"
  69         } >expanded-keywords.0 &&
  70
  71         {
  72                 cat expanded-keywords.0 &&
  73                 printf "\$Id: NoTerminatingSymbolAtEOF"
  74         } >expanded-keywords &&
  75         cat expanded-keywords >expanded-keywords-crlf &&
  76         git add expanded-keywords expanded-keywords-crlf &&
  77         git commit -m "File with keywords expanded" &&
  78         id=$(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: $id \$"
  88                 echo "\$Id: NoTerminatingSymbol"
  89                 echo "\$Id: Foreign Commit With Spaces \$"
  90         } >expected-output.0 &&
  91         {
  92                 cat expected-output.0 &&
  93                 printf "\$Id: NoTerminatingSymbolAtEOF"
  94         } >expected-output &&
  95         {
  96                 append_cr <expected-output.0 &&
  97                 printf "\$Id: NoTerminatingSymbolAtEOF"
  98         } >expected-output-crlf &&
  99         {
 100                 echo "expanded-keywords ident"
 101                 echo "expanded-keywords-crlf ident text eol=crlf"
 102         } >>.gitattributes &&
 103
 104         rm -f expanded-keywords expanded-keywords-crlf &&
 105
 106         git checkout -- expanded-keywords &&
 107         test_cmp expanded-keywords expected-output &&
 108
 109         git checkout -- expanded-keywords-crlf &&
 110         test_cmp expanded-keywords-crlf expected-output-crlf
 111 '
 112
 113 # The use of %f in a filter definition is expanded to the path to
 114 # the filename being smudged or cleaned.  It must be shell escaped.
 115 # First, set up some interesting file names and pet them in
 116 # .gitattributes.
 117 test_expect_success 'filter shell-escaped filenames' '
 118         cat >argc.sh <<-EOF &&
 119         #!$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         test_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         test_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
 156 test_expect_success 'required filter should filter data' '
 157         test_config filter.required.smudge ./rot13.sh &&
 158         test_config filter.required.clean ./rot13.sh &&
 159         test_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         test_cmp test.o test.r &&
 169
 170         ./rot13.sh <test.o >expected &&
 171         git cat-file blob :test.r >actual &&
 172         test_cmp expected actual
 173 '
 174
 175 test_expect_success 'required filter smudge failure' '
 176         test_config filter.failsmudge.smudge false &&
 177         test_config filter.failsmudge.clean cat &&
 178         test_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
 188 test_expect_success 'required filter clean failure' '
 189         test_config filter.failclean.smudge cat &&
 190         test_config filter.failclean.clean false &&
 191         test_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
 199 test_expect_success 'filtering large input to small output should use little memory' '
 200         test_config filter.devnull.clean "cat >/dev/null" &&
 201         test_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
 207 test_expect_success 'filter that does not read is fine' '
 208         test-genrandom foo $((128 * 1024 + 1)) >big &&
 209         echo "big filter=epipe" >.gitattributes &&
 210         test_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
 217 test_expect_success EXPENSIVE 'filter large file' '
 218         test_config filter.largefile.smudge cat &&
 219         test_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_must_be_empty err &&
 224         rm -f 2GB &&
 225         git checkout -- 2GB 2>err &&
 226         test_must_be_empty err
 227 '
 228
 229 test_expect_success "filter: clean empty file" '
 230         test_config filter.in-repo-header.clean  "echo cleaned && cat" &&
 231         test_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
 242 test_expect_success "filter: smudge empty file" '
 243         test_config filter.empty-in-repo.clean "cat >/dev/null" &&
 244         test_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
 255 test_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
 271 test_expect_success 'diff does not reuse worktree files that need cleaning' '
 272         test_config filter.counter.clean "echo . >>count; sed s/^/clean:/" &&
 273         echo "file filter=counter" >.gitattributes &&
 274         test_commit one file &&
 275         test_commit two file &&
 276
 277         >count &&
 278         git diff-tree -p HEAD &&
 279         test_line_count = 0 count
 280 '
 281
 282 test_done