t/t4127-apply-same-fn.sh

   1 #!/bin/sh
   2
   3 test_description='apply same filename'
   4
   5 . ./test-lib.sh
   6
   7 modify () {
   8         sed -e "$1" < "$2" > "$2".x &&
   9         mv "$2".x "$2"
  10 }
  11
  12 test_expect_success setup '
  13         for i in a b c d e f g h i j k l m
  14         do
  15                 echo $i
  16         done >same_fn &&
  17         cp same_fn other_fn &&
  18         git add same_fn other_fn &&
  19         git commit -m initial
  20 '
  21 test_expect_success 'apply same filename with independent changes' '
  22         modify "s/^d/z/" same_fn &&
  23         git diff > patch0 &&
  24         git add same_fn &&
  25         modify "s/^i/y/" same_fn &&
  26         git diff >> patch0 &&
  27         cp same_fn same_fn2 &&
  28         git reset --hard &&
  29         git apply patch0 &&
  30         diff same_fn same_fn2
  31 '
  32
  33 test_expect_success 'apply same filename with overlapping changes' '
  34         git reset --hard
  35         modify "s/^d/z/" same_fn &&
  36         git diff > patch0 &&
  37         git add same_fn &&
  38         modify "s/^e/y/" same_fn &&
  39         git diff >> patch0 &&
  40         cp same_fn same_fn2 &&
  41         git reset --hard &&
  42         git apply patch0 &&
  43         diff same_fn same_fn2
  44 '
  45
  46 test_expect_success 'apply same new filename after rename' '
  47         git reset --hard
  48         git mv same_fn new_fn
  49         modify "s/^d/z/" new_fn &&
  50         git add new_fn &&
  51         git diff -M --cached > patch1 &&
  52         modify "s/^e/y/" new_fn &&
  53         git diff >> patch1 &&
  54         cp new_fn new_fn2 &&
  55         git reset --hard &&
  56         git apply --index patch1 &&
  57         diff new_fn new_fn2
  58 '
  59
  60 test_expect_success 'apply same old filename after rename -- should fail.' '
  61         git reset --hard
  62         git mv same_fn new_fn
  63         modify "s/^d/z/" new_fn &&
  64         git add new_fn &&
  65         git diff -M --cached > patch1 &&
  66         git mv new_fn same_fn
  67         modify "s/^e/y/" same_fn &&
  68         git diff >> patch1 &&
  69         git reset --hard &&
  70         test_must_fail git apply patch1
  71 '
  72
  73 test_expect_success 'apply A->B (rename), C->A (rename), A->A -- should pass.' '
  74         git reset --hard
  75         git mv same_fn new_fn
  76         modify "s/^d/z/" new_fn &&
  77         git add new_fn &&
  78         git diff -M --cached > patch1 &&
  79         git commit -m "a rename" &&
  80         git mv other_fn same_fn
  81         modify "s/^e/y/" same_fn &&
  82         git add same_fn &&
  83         git diff -M --cached >> patch1 &&
  84         modify "s/^g/x/" same_fn &&
  85         git diff >> patch1 &&
  86         git reset --hard HEAD^ &&
  87         git apply patch1
  88 '
  89
  90 test_done