t/t4030-diff-textconv.sh

   1 #!/bin/sh
   2
   3 test_description='diff.*.textconv tests'
   4 . ./test-lib.sh
   5
   6 find_diff() {
   7         sed '1,/^index /d' | sed '/^-- $/,$d'
   8 }
   9
  10 cat >expect.binary <<'EOF'
  11 Binary files a/file and b/file differ
  12 EOF
  13
  14 cat >expect.text <<'EOF'
  15 --- a/file
  16 +++ b/file
  17 @@ -1 +1,2 @@
  18  0
  19 +1
  20 EOF
  21
  22 cat >hexdump <<'EOF'
  23 #!/bin/sh
  24 "$PERL_PATH" -e '$/ = undef; $_ = <>; s/./ord($&)/ge; print $_' < "$1"
  25 EOF
  26 chmod +x hexdump
  27
  28 test_expect_success 'setup binary file with history' '
  29         printf "\\0\\n" >file &&
  30         git add file &&
  31         git commit -m one &&
  32         printf "\\01\\n" >>file &&
  33         git add file &&
  34         git commit -m two
  35 '
  36
  37 test_expect_success 'file is considered binary by porcelain' '
  38         git diff HEAD^ HEAD >diff &&
  39         find_diff <diff >actual &&
  40         test_cmp expect.binary actual
  41 '
  42
  43 test_expect_success 'file is considered binary by plumbing' '
  44         git diff-tree -p HEAD^ HEAD >diff &&
  45         find_diff <diff >actual &&
  46         test_cmp expect.binary actual
  47 '
  48
  49 test_expect_success 'setup textconv filters' '
  50         echo file diff=foo >.gitattributes &&
  51         git config diff.foo.textconv "\"$(pwd)\""/hexdump &&
  52         git config diff.fail.textconv false
  53 '
  54
  55 test_expect_success 'diff produces text' '
  56         git diff HEAD^ HEAD >diff &&
  57         find_diff <diff >actual &&
  58         test_cmp expect.text actual
  59 '
  60
  61 test_expect_success 'show commit produces text' '
  62         git show HEAD >diff &&
  63         find_diff <diff >actual &&
  64         test_cmp expect.text actual
  65 '
  66
  67 test_expect_success 'diff-tree produces binary' '
  68         git diff-tree -p HEAD^ HEAD >diff &&
  69         find_diff <diff >actual &&
  70         test_cmp expect.binary actual
  71 '
  72
  73 test_expect_success 'log produces text' '
  74         git log -1 -p >log &&
  75         find_diff <log >actual &&
  76         test_cmp expect.text actual
  77 '
  78
  79 test_expect_success 'format-patch produces binary' '
  80         git format-patch --no-binary --stdout HEAD^ >patch &&
  81         find_diff <patch >actual &&
  82         test_cmp expect.binary actual
  83 '
  84
  85 test_expect_success 'status -v produces text' '
  86         git reset --soft HEAD^ &&
  87         git status -v >diff &&
  88         find_diff <diff >actual &&
  89         test_cmp expect.text actual &&
  90         git reset --soft HEAD@{1}
  91 '
  92
  93 test_expect_success 'show blob produces binary' '
  94         git show HEAD:file >actual &&
  95         printf "\\0\\n\\01\\n" >expect &&
  96         test_cmp expect actual
  97 '
  98
  99 test_expect_success 'show --textconv blob produces text' '
 100         git show --textconv HEAD:file >actual &&
 101         printf "0\\n1\\n" >expect &&
 102         test_cmp expect actual
 103 '
 104
 105 test_expect_success 'show --no-textconv blob produces binary' '
 106         git show --no-textconv HEAD:file >actual &&
 107         printf "\\0\\n\\01\\n" >expect &&
 108         test_cmp expect actual
 109 '
 110
 111 test_expect_success 'grep-diff (-G) operates on textconv data (add)' '
 112         echo one >expect &&
 113         git log --root --format=%s -G0 >actual &&
 114         test_cmp expect actual
 115 '
 116
 117 test_expect_success 'grep-diff (-G) operates on textconv data (modification)' '
 118         echo two >expect &&
 119         git log --root --format=%s -G1 >actual &&
 120         test_cmp expect actual
 121 '
 122
 123 test_expect_success 'pickaxe (-S) operates on textconv data (add)' '
 124         echo one >expect &&
 125         git log --root --format=%s -S0 >actual &&
 126         test_cmp expect actual
 127 '
 128
 129 test_expect_success 'pickaxe (-S) operates on textconv data (modification)' '
 130         echo two >expect &&
 131         git log --root --format=%s -S1 >actual &&
 132         test_cmp expect actual
 133 '
 134
 135 cat >expect.stat <<'EOF'
 136  file | Bin 2 -> 4 bytes
 137  1 file changed, 0 insertions(+), 0 deletions(-)
 138 EOF
 139 test_expect_success 'diffstat does not run textconv' '
 140         echo file diff=fail >.gitattributes &&
 141         git diff --stat HEAD^ HEAD >actual &&
 142         test_i18ncmp expect.stat actual &&
 143
 144         head -n1 <expect.stat >expect.line1 &&
 145         head -n1 <actual >actual.line1 &&
 146         test_cmp expect.line1 actual.line1
 147 '
 148 # restore working setup
 149 echo file diff=foo >.gitattributes
 150
 151 symlink=$(git rev-parse --short $(printf frotz | git hash-object --stdin))
 152 cat >expect.typechange <<EOF
 153 --- a/file
 154 +++ /dev/null
 155 @@ -1,2 +0,0 @@
 156 -0
 157 -1
 158 diff --git a/file b/file
 159 new file mode 120000
 160 index 0000000..$symlink
 161 --- /dev/null
 162 +++ b/file
 163 @@ -0,0 +1 @@
 164 +frotz
 165 \ No newline at end of file
 166 EOF
 167
 168 test_expect_success 'textconv does not act on symlinks' '
 169         rm -f file &&
 170         test_ln_s_add frotz file &&
 171         git commit -m typechange &&
 172         git show >diff &&
 173         find_diff <diff >actual &&
 174         test_cmp expect.typechange actual
 175 '
 176
 177 test_done