t/t4004-diff-rename-symlink.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 test_description='More rename detection tests.
   7
   8 The rename detection logic should be able to detect pure rename or
   9 copy of symbolic links, but should not produce rename/copy followed
  10 by an edit for them.
  11 '
  12 . ./test-lib.sh
  13 . "$TEST_DIRECTORY"/diff-lib.sh
  14
  15 test_expect_success SYMLINKS \
  16     'prepare reference tree' \
  17     'echo xyzzy | tr -d '\\\\'012 >yomin &&
  18      ln -s xyzzy frotz &&
  19     git update-index --add frotz yomin &&
  20     tree=$(git write-tree) &&
  21     echo $tree'
  22
  23 test_expect_success SYMLINKS \
  24     'prepare work tree' \
  25     '>xyzzy  &&
  26      mv frotz rezrov &&
  27      rm -f yomin &&
  28      rm -f xyzzy &&
  29      ln -s xyzzy nitfol &&
  30      ln -s xzzzy bozbar &&
  31     git update-index --add --remove frotz rezrov nitfol bozbar yomin'
  32
  33 # tree has frotz pointing at xyzzy, and yomin that contains xyzzy to
  34 # confuse things.  work tree has rezrov (xyzzy) nitfol (xyzzy) and
  35 # bozbar (xzzzy).
  36 # rezrov and nitfol are rename/copy of frotz and bozbar should be
  37 # a new creation.
  38
  39 test_expect_success SYMLINKS 'setup diff output' "
  40     GIT_DIFF_OPTS=--unified=0 git diff-index -C -p $tree >current &&
  41     cat >expected <<\EOF
  42 diff --git a/bozbar b/bozbar
  43 new file mode 120000
  44 --- /dev/null
  45 +++ b/bozbar
  46 @@ -0,0 +1 @@
  47 +xzzzy
  48 \ No newline at end of file
  49 diff --git a/frotz b/nitfol
  50 similarity index 100%
  51 copy from frotz
  52 copy to nitfol
  53 diff --git a/frotz b/rezrov
  54 similarity index 100%
  55 rename from frotz
  56 rename to rezrov
  57 diff --git a/yomin b/yomin
  58 deleted file mode 100644
  59 --- a/yomin
  60 +++ /dev/null
  61 @@ -1 +0,0 @@
  62 -xyzzy
  63 \ No newline at end of file
  64 EOF
  65 "
  66
  67 test_expect_success SYMLINKS \
  68     'validate diff output' \
  69     'compare_diff_patch current expected'
  70
  71 test_done