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
  13 TEST_PASSES_SANITIZE_LEAK=true
  14 . ./test-lib.sh
  15 . "$TEST_DIRECTORY"/lib-diff.sh
  16
  17 test_expect_success SYMLINKS 'prepare reference tree' '
  18         echo xyzzy | tr -d '\\\\'012 >yomin &&
  19         ln -s xyzzy frotz &&
  20         git update-index --add frotz yomin &&
  21         tree=$(git write-tree) &&
  22         echo $tree
  23 '
  24
  25 test_expect_success SYMLINKS 'prepare work tree' '
  26         mv frotz rezrov &&
  27         rm -f yomin &&
  28         ln -s xyzzy nitfol &&
  29         ln -s xzzzy bozbar &&
  30         git update-index --add --remove frotz rezrov nitfol bozbar yomin
  31 '
  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 'validate diff output' '
  68         compare_diff_patch current expected
  69 '
  70
  71 test_done