t / t4011-diff-symlink.shon commit t6022: New test checking for unnecessary updates of files in D/F conflicts (eeba0d1)
   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Johannes Schindelin
   4#
   5
   6test_description='Test diff of symlinks.
   7
   8'
   9. ./test-lib.sh
  10. "$TEST_DIRECTORY"/diff-lib.sh
  11
  12cat > expected << EOF
  13diff --git a/frotz b/frotz
  14new file mode 120000
  15index 0000000..7c465af
  16--- /dev/null
  17+++ b/frotz
  18@@ -0,0 +1 @@
  19+xyzzy
  20\ No newline at end of file
  21EOF
  22
  23test_expect_success SYMLINKS \
  24    'diff new symlink' \
  25    'ln -s xyzzy frotz &&
  26    git update-index &&
  27    tree=$(git write-tree) &&
  28    git update-index --add frotz &&
  29    GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree > current &&
  30    compare_diff_patch current expected'
  31
  32test_expect_success SYMLINKS \
  33    'diff unchanged symlink' \
  34    'tree=$(git write-tree) &&
  35    git update-index frotz &&
  36    test -z "$(git diff-index --name-only $tree)"'
  37
  38cat > expected << EOF
  39diff --git a/frotz b/frotz
  40deleted file mode 120000
  41index 7c465af..0000000
  42--- a/frotz
  43+++ /dev/null
  44@@ -1 +0,0 @@
  45-xyzzy
  46\ No newline at end of file
  47EOF
  48
  49test_expect_success SYMLINKS \
  50    'diff removed symlink' \
  51    'mv frotz frotz2 &&
  52    git diff-index -M -p $tree > current &&
  53    compare_diff_patch current expected'
  54
  55cat > expected << EOF
  56diff --git a/frotz b/frotz
  57EOF
  58
  59test_expect_success SYMLINKS \
  60    'diff identical, but newly created symlink' \
  61    'ln -s xyzzy frotz &&
  62    git diff-index -M -p $tree > current &&
  63    compare_diff_patch current expected'
  64
  65cat > expected << EOF
  66diff --git a/frotz b/frotz
  67index 7c465af..df1db54 120000
  68--- a/frotz
  69+++ b/frotz
  70@@ -1 +1 @@
  71-xyzzy
  72\ No newline at end of file
  73+yxyyz
  74\ No newline at end of file
  75EOF
  76
  77test_expect_success SYMLINKS \
  78    'diff different symlink' \
  79    'rm frotz &&
  80    ln -s yxyyz frotz &&
  81    git diff-index -M -p $tree > current &&
  82    compare_diff_patch current expected'
  83
  84test_expect_success SYMLINKS \
  85    'diff symlinks with non-existing targets' \
  86    'ln -s narf pinky &&
  87    ln -s take\ over brain &&
  88    test_must_fail git diff --no-index pinky brain > output 2> output.err &&
  89    grep narf output &&
  90    ! grep error output.err'
  91test_done