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     'mv frotz rezrov &&
  26      rm -f yomin &&
  27      ln -s xyzzy nitfol &&
  28      ln -s xzzzy bozbar &&
  29     git update-index --add --remove frotz rezrov nitfol bozbar yomin'
  30
  31 # tree has frotz pointing at xyzzy, and yomin that contains xyzzy to
  32 # confuse things.  work tree has rezrov (xyzzy) nitfol (xyzzy) and
  33 # bozbar (xzzzy).
  34 # rezrov and nitfol are rename/copy of frotz and bozbar should be
  35 # a new creation.
  36
  37 test_expect_success SYMLINKS 'setup diff output' "
  38     GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree >current &&
  39     cat >expected <<\EOF
  40 diff --git a/bozbar b/bozbar
  41 new file mode 120000
  42 --- /dev/null
  43 +++ b/bozbar
  44 @@ -0,0 +1 @@
  45 +xzzzy
  46 \ No newline at end of file
  47 diff --git a/frotz b/nitfol
  48 similarity index 100%
  49 copy from frotz
  50 copy to nitfol
  51 diff --git a/frotz b/rezrov
  52 similarity index 100%
  53 rename from frotz
  54 rename to rezrov
  55 diff --git a/yomin b/yomin
  56 deleted file mode 100644
  57 --- a/yomin
  58 +++ /dev/null
  59 @@ -1 +0,0 @@
  60 -xyzzy
  61 \ No newline at end of file
  62 EOF
  63 "
  64
  65 test_expect_success SYMLINKS \
  66     'validate diff output' \
  67     'compare_diff_patch current expected'
  68
  69 test_done