t/t6411-merge-filemode.sh

   1 #!/bin/sh
   2
   3 test_description='merge: handle file mode'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 . ./test-lib.sh
   8
   9 test_expect_success 'set up mode change in one branch' '
  10         : >file1 &&
  11         git add file1 &&
  12         git commit -m initial &&
  13         git checkout -b a1 main &&
  14         : >dummy &&
  15         git add dummy &&
  16         git commit -m a &&
  17         git checkout -b b1 main &&
  18         test_chmod +x file1 &&
  19         git add file1 &&
  20         git commit -m b1
  21 '
  22
  23 do_one_mode () {
  24         strategy=$1
  25         us=$2
  26         them=$3
  27         test_expect_success "resolve single mode change ($strategy, $us)" '
  28                 git checkout -f $us &&
  29                 git merge -s $strategy $them &&
  30                 git ls-files -s file1 | grep ^100755
  31         '
  32
  33         test_expect_success FILEMODE "verify executable bit on file ($strategy, $us)" '
  34                 test -x file1
  35         '
  36 }
  37
  38 do_one_mode recursive a1 b1
  39 do_one_mode recursive b1 a1
  40 do_one_mode resolve a1 b1
  41 do_one_mode resolve b1 a1
  42
  43 test_expect_success 'set up mode change in both branches' '
  44         git reset --hard HEAD &&
  45         git checkout -b a2 main &&
  46         : >file2 &&
  47         H=$(git hash-object file2) &&
  48         test_chmod +x file2 &&
  49         git commit -m a2 &&
  50         git checkout -b b2 main &&
  51         : >file2 &&
  52         git add file2 &&
  53         git commit -m b2 &&
  54         {
  55                 echo "100755 $H 2       file2"
  56                 echo "100644 $H 3       file2"
  57         } >expect
  58 '
  59
  60 do_both_modes () {
  61         strategy=$1
  62         test_expect_success "detect conflict on double mode change ($strategy)" '
  63                 git reset --hard &&
  64                 git checkout -f a2 &&
  65                 test_must_fail git merge -s $strategy b2 &&
  66                 git ls-files -u >actual &&
  67                 test_cmp expect actual &&
  68                 git ls-files -s file2 | grep ^100755
  69         '
  70
  71         test_expect_success FILEMODE "verify executable bit on file ($strategy)" '
  72                 test -x file2
  73         '
  74 }
  75
  76 # both sides are equivalent, so no need to run both ways
  77 do_both_modes recursive
  78 do_both_modes resolve
  79
  80 test_expect_success 'set up delete/modechange scenario' '
  81         git reset --hard &&
  82         git checkout -b deletion main &&
  83         git rm file1 &&
  84         git commit -m deletion
  85 '
  86
  87 do_delete_modechange () {
  88         strategy=$1
  89         us=$2
  90         them=$3
  91         test_expect_success "detect delete/modechange conflict ($strategy, $us)" '
  92                 git reset --hard &&
  93                 git checkout $us &&
  94                 test_must_fail git merge -s $strategy $them
  95         '
  96 }
  97
  98 do_delete_modechange recursive b1 deletion
  99 do_delete_modechange recursive deletion b1
 100 do_delete_modechange resolve b1 deletion
 101 do_delete_modechange resolve deletion b1
 102
 103 test_done