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 . "$TEST_DIRECTORY"/diff-lib.sh
  14
  15 if ! test_have_prereq SYMLINKS
  16 then
  17         say 'Symbolic links not supported, skipping tests.'
  18         test_done
  19         exit
  20 fi
  21
  22 test_expect_success \
  23     'prepare reference tree' \
  24     'echo xyzzy | tr -d '\\\\'012 >yomin &&
  25      ln -s xyzzy frotz &&
  26     git update-index --add frotz yomin &&
  27     tree=$(git write-tree) &&
  28     echo $tree'
  29
  30 test_expect_success \
  31     'prepare work tree' \
  32     'mv frotz rezrov &&
  33      rm -f yomin &&
  34      ln -s xyzzy nitfol &&
  35      ln -s xzzzy bozbar &&
  36     git update-index --add --remove frotz rezrov nitfol bozbar yomin'
  37
  38 # tree has frotz pointing at xyzzy, and yomin that contains xyzzy to
  39 # confuse things.  work tree has rezrov (xyzzy) nitfol (xyzzy) and
  40 # bozbar (xzzzy).
  41 # rezrov and nitfol are rename/copy of frotz and bozbar should be
  42 # a new creation.
  43
  44 GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree >current
  45 cat >expected <<\EOF
  46 diff --git a/bozbar b/bozbar
  47 new file mode 120000
  48 --- /dev/null
  49 +++ b/bozbar
  50 @@ -0,0 +1 @@
  51 +xzzzy
  52 \ No newline at end of file
  53 diff --git a/frotz b/nitfol
  54 similarity index 100%
  55 copy from frotz
  56 copy to nitfol
  57 diff --git a/frotz b/rezrov
  58 similarity index 100%
  59 rename from frotz
  60 rename to rezrov
  61 diff --git a/yomin b/yomin
  62 deleted file mode 100644
  63 --- a/yomin
  64 +++ /dev/null
  65 @@ -1 +0,0 @@
  66 -xyzzy
  67 \ No newline at end of file
  68 EOF
  69
  70 test_expect_success \
  71     'validate diff output' \
  72     'compare_diff_patch current expected'
  73
  74 test_done