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