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