t/t4011-diff-symlink.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Johannes Schindelin
   4 #
   5
   6 test_description='Test diff of symlinks.
   7
   8 '
   9 . ./test-lib.sh
  10 . "$TEST_DIRECTORY"/diff-lib.sh
  11
  12 cat > expected << EOF
  13 diff --git a/frotz b/frotz
  14 new file mode 120000
  15 index 0000000..7c465af
  16 --- /dev/null
  17 +++ b/frotz
  18 @@ -0,0 +1 @@
  19 +xyzzy
  20 \ No newline at end of file
  21 EOF
  22
  23 test_expect_success SYMLINKS \
  24     'diff new symlink' \
  25     'ln -s xyzzy frotz &&
  26     git update-index &&
  27     tree=$(git write-tree) &&
  28     git update-index --add frotz &&
  29     GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree > current &&
  30     compare_diff_patch current expected'
  31
  32 test_expect_success SYMLINKS \
  33     'diff unchanged symlink' \
  34     'tree=$(git write-tree) &&
  35     git update-index frotz &&
  36     test -z "$(git diff-index --name-only $tree)"'
  37
  38 cat > expected << EOF
  39 diff --git a/frotz b/frotz
  40 deleted file mode 120000
  41 index 7c465af..0000000
  42 --- a/frotz
  43 +++ /dev/null
  44 @@ -1 +0,0 @@
  45 -xyzzy
  46 \ No newline at end of file
  47 EOF
  48
  49 test_expect_success SYMLINKS \
  50     'diff removed symlink' \
  51     'mv frotz frotz2 &&
  52     git diff-index -M -p $tree > current &&
  53     compare_diff_patch current expected'
  54
  55 cat > expected << EOF
  56 diff --git a/frotz b/frotz
  57 EOF
  58
  59 test_expect_success SYMLINKS \
  60     'diff identical, but newly created symlink' \
  61     'ln -s xyzzy frotz &&
  62     git diff-index -M -p $tree > current &&
  63     compare_diff_patch current expected'
  64
  65 cat > expected << EOF
  66 diff --git a/frotz b/frotz
  67 index 7c465af..df1db54 120000
  68 --- a/frotz
  69 +++ b/frotz
  70 @@ -1 +1 @@
  71 -xyzzy
  72 \ No newline at end of file
  73 +yxyyz
  74 \ No newline at end of file
  75 EOF
  76
  77 test_expect_success SYMLINKS \
  78     'diff different symlink' \
  79     'rm frotz &&
  80     ln -s yxyyz frotz &&
  81     git diff-index -M -p $tree > current &&
  82     compare_diff_patch current expected'
  83
  84 test_expect_success SYMLINKS \
  85     'diff symlinks with non-existing targets' \
  86     'ln -s narf pinky &&
  87     ln -s take\ over brain &&
  88     test_must_fail git diff --no-index pinky brain > output 2> output.err &&
  89     grep narf output &&
  90     ! grep error output.err'
  91 test_done