t/t6404-recursive-merge.sh

   1 #!/bin/sh
   2
   3 test_description='Test merge without common ancestors'
   4 . ./test-lib.sh
   5
   6 # This scenario is based on a real-world repository of Shawn Pearce.
   7
   8 # 1 - A - D - F
   9 #   \   X   /
  10 #     B   X
  11 #       X   \
  12 # 2 - C - E - G
  13
  14 GIT_COMMITTER_DATE="2006-12-12 23:28:00 +0100"
  15 export GIT_COMMITTER_DATE
  16
  17 test_expect_success 'setup tests' '
  18         echo 1 >a1 &&
  19         git add a1 &&
  20         GIT_AUTHOR_DATE="2006-12-12 23:00:00" git commit -m 1 a1 &&
  21
  22         git checkout -b A master &&
  23         echo A >a1 &&
  24         GIT_AUTHOR_DATE="2006-12-12 23:00:01" git commit -m A a1 &&
  25
  26         git checkout -b B master &&
  27         echo B >a1 &&
  28         GIT_AUTHOR_DATE="2006-12-12 23:00:02" git commit -m B a1 &&
  29
  30         git checkout -b D A &&
  31         git rev-parse B >.git/MERGE_HEAD &&
  32         echo D >a1 &&
  33         git update-index a1 &&
  34         GIT_AUTHOR_DATE="2006-12-12 23:00:03" git commit -m D &&
  35
  36         git symbolic-ref HEAD refs/heads/other &&
  37         echo 2 >a1 &&
  38         GIT_AUTHOR_DATE="2006-12-12 23:00:04" git commit -m 2 a1 &&
  39
  40         git checkout -b C &&
  41         echo C >a1 &&
  42         GIT_AUTHOR_DATE="2006-12-12 23:00:05" git commit -m C a1 &&
  43
  44         git checkout -b E C &&
  45         git rev-parse B >.git/MERGE_HEAD &&
  46         echo E >a1 &&
  47         git update-index a1 &&
  48         GIT_AUTHOR_DATE="2006-12-12 23:00:06" git commit -m E &&
  49
  50         git checkout -b G E &&
  51         git rev-parse A >.git/MERGE_HEAD &&
  52         echo G >a1 &&
  53         git update-index a1 &&
  54         GIT_AUTHOR_DATE="2006-12-12 23:00:07" git commit -m G &&
  55
  56         git checkout -b F D &&
  57         git rev-parse C >.git/MERGE_HEAD &&
  58         echo F >a1 &&
  59         git update-index a1 &&
  60         GIT_AUTHOR_DATE="2006-12-12 23:00:08" git commit -m F &&
  61
  62         test_oid_cache <<-EOF
  63         idxstage1 sha1:ec3fe2a791706733f2d8fa7ad45d9a9672031f5e
  64         idxstage1 sha256:b3c8488929903aaebdeb22270cb6d36e5b8724b01ae0d4da24632f158c99676f
  65         EOF
  66 '
  67
  68 test_expect_success 'combined merge conflicts' '
  69         test_must_fail env GIT_TEST_COMMIT_GRAPH=0 git merge -m final G
  70 '
  71
  72 test_expect_success 'result contains a conflict' '
  73         cat >expect <<-\EOF &&
  74         <<<<<<< HEAD
  75         F
  76         =======
  77         G
  78         >>>>>>> G
  79         EOF
  80
  81         test_cmp expect a1
  82 '
  83
  84 test_expect_success 'virtual trees were processed' '
  85         git ls-files --stage >out &&
  86
  87         cat >expect <<-EOF &&
  88         100644 $(test_oid idxstage1) 1  a1
  89         100644 $(git rev-parse F:a1) 2  a1
  90         100644 $(git rev-parse G:a1) 3  a1
  91         EOF
  92
  93         test_cmp expect out
  94 '
  95
  96 test_expect_success 'refuse to merge binary files' '
  97         git reset --hard &&
  98         printf "\0" >binary-file &&
  99         git add binary-file &&
 100         git commit -m binary &&
 101         git checkout G &&
 102         printf "\0\0" >binary-file &&
 103         git add binary-file &&
 104         git commit -m binary2 &&
 105         test_must_fail git merge F >merge.out 2>merge.err &&
 106         grep "Cannot merge binary files: binary-file (HEAD vs. F)" merge.err
 107 '
 108
 109 test_expect_success 'mark rename/delete as unmerged' '
 110
 111         git reset --hard &&
 112         git checkout -b delete &&
 113         git rm a1 &&
 114         test_tick &&
 115         git commit -m delete &&
 116         git checkout -b rename HEAD^ &&
 117         git mv a1 a2 &&
 118         test_tick &&
 119         git commit -m rename &&
 120         test_must_fail git merge delete &&
 121         test 1 = $(git ls-files --unmerged | wc -l) &&
 122         git rev-parse --verify :2:a2 &&
 123         test_must_fail git rev-parse --verify :3:a2 &&
 124         git checkout -f delete &&
 125         test_must_fail git merge rename &&
 126         test 1 = $(git ls-files --unmerged | wc -l) &&
 127         test_must_fail git rev-parse --verify :2:a2 &&
 128         git rev-parse --verify :3:a2
 129 '
 130
 131 test_done