Andrew's git - gitweb.git/blob - t/t4011-diff-symlink.sh

   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. "$TEST_DIRECTORY"/diff-lib.sh
  11
  12test_expect_success 'diff new symlink and file' '
  13        cat >expected <<-\EOF &&
  14        diff --git a/frotz b/frotz
  15        new file mode 120000
  16        index 0000000..7c465af
  17        --- /dev/null
  18        +++ b/frotz
  19        @@ -0,0 +1 @@
  20        +xyzzy
  21        \ No newline at end of file
  22        diff --git a/nitfol b/nitfol
  23        new file mode 100644
  24        index 0000000..7c465af
  25        --- /dev/null
  26        +++ b/nitfol
  27        @@ -0,0 +1 @@
  28        +xyzzy
  29        EOF
  30
  31        # the empty tree
  32        git update-index &&
  33        tree=$(git write-tree) &&
  34
  35        test_ln_s_add xyzzy frotz &&
  36        echo xyzzy >nitfol &&
  37        git update-index --add nitfol &&
  38        GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree >current &&
  39        compare_diff_patch expected current
  40'
  41
  42test_expect_success 'diff unchanged symlink and file'  '
  43        tree=$(git write-tree) &&
  44        git update-index frotz nitfol &&
  45        test -z "$(git diff-index --name-only $tree)"
  46'
  47
  48test_expect_success 'diff removed symlink and file' '
  49        cat >expected <<-\EOF &&
  50        diff --git a/frotz b/frotz
  51        deleted file mode 120000
  52        index 7c465af..0000000
  53        --- a/frotz
  54        +++ /dev/null
  55        @@ -1 +0,0 @@
  56        -xyzzy
  57        \ No newline at end of file
  58        diff --git a/nitfol b/nitfol
  59        deleted file mode 100644
  60        index 7c465af..0000000
  61        --- a/nitfol
  62        +++ /dev/null
  63        @@ -1 +0,0 @@
  64        -xyzzy
  65        EOF
  66        mv frotz frotz2 &&
  67        mv nitfol nitfol2 &&
  68        git diff-index -M -p $tree >current &&
  69        compare_diff_patch expected current
  70'
  71
  72test_expect_success 'diff identical, but newly created symlink and file' '
  73        >expected &&
  74        rm -f frotz nitfol &&
  75        echo xyzzy >nitfol &&
  76        test-tool chmtime +10 nitfol &&
  77        if test_have_prereq SYMLINKS
  78        then
  79                ln -s xyzzy frotz
  80        else
  81                printf xyzzy >frotz
  82                # the symlink property propagates from the index
  83        fi &&
  84        git diff-index -M -p $tree >current &&
  85        compare_diff_patch expected current &&
  86
  87        >expected &&
  88        git diff-index -M -p -w $tree >current &&
  89        compare_diff_patch expected current
  90'
  91
  92test_expect_success 'diff different symlink and file' '
  93        cat >expected <<-\EOF &&
  94        diff --git a/frotz b/frotz
  95        index 7c465af..df1db54 120000
  96        --- a/frotz
  97        +++ b/frotz
  98        @@ -1 +1 @@
  99        -xyzzy
 100        \ No newline at end of file
 101        +yxyyz
 102        \ No newline at end of file
 103        diff --git a/nitfol b/nitfol
 104        index 7c465af..df1db54 100644
 105        --- a/nitfol
 106        +++ b/nitfol
 107        @@ -1 +1 @@
 108        -xyzzy
 109        +yxyyz
 110        EOF
 111        rm -f frotz &&
 112        if test_have_prereq SYMLINKS
 113        then
 114                ln -s yxyyz frotz
 115        else
 116                printf yxyyz >frotz
 117                # the symlink property propagates from the index
 118        fi &&
 119        echo yxyyz >nitfol &&
 120        git diff-index -M -p $tree >current &&
 121        compare_diff_patch expected current
 122'
 123
 124test_expect_success SYMLINKS 'diff symlinks with non-existing targets' '
 125        ln -s narf pinky &&
 126        ln -s take\ over brain &&
 127        test_must_fail git diff --no-index pinky brain >output 2>output.err &&
 128        grep narf output &&
 129        ! test -s output.err
 130'
 131
 132test_expect_success SYMLINKS 'setup symlinks with attributes' '
 133        echo "*.bin diff=bin" >>.gitattributes &&
 134        echo content >file.bin &&
 135        ln -s file.bin link.bin &&
 136        git add -N file.bin link.bin
 137'
 138
 139test_expect_success SYMLINKS 'symlinks do not respect userdiff config by path' '
 140        cat >expect <<-\EOF &&
 141        diff --git a/file.bin b/file.bin
 142        index e69de29..d95f3ad 100644
 143        Binary files a/file.bin and b/file.bin differ
 144        diff --git a/link.bin b/link.bin
 145        index e69de29..dce41ec 120000
 146        --- a/link.bin
 147        +++ b/link.bin
 148        @@ -0,0 +1 @@
 149        +file.bin
 150        \ No newline at end of file
 151        EOF
 152        git config diff.bin.binary true &&
 153        git diff file.bin link.bin >actual &&
 154        test_cmp expect actual
 155'
 156
 157test_done