t/t6024-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
  63 test_expect_success "combined merge conflicts" "
  64         test_must_fail git merge -m final G
  65 "
  66
  67 cat > expect << EOF
  68 <<<<<<< HEAD:a1
  69 F
  70 =======
  71 G
  72 >>>>>>> G:a1
  73 EOF
  74
  75 test_expect_success "result contains a conflict" "test_cmp expect a1"
  76
  77 git ls-files --stage > out
  78 cat > expect << EOF
  79 100644 da056ce14a2241509897fa68bb2b3b6e6194ef9e 1       a1
  80 100644 cf84443e49e1b366fac938711ddf4be2d4d1d9e9 2       a1
  81 100644 fd7923529855d0b274795ae3349c5e0438333979 3       a1
  82 EOF
  83
  84 test_expect_success "virtual trees were processed" "test_cmp expect out"
  85
  86 test_expect_success 'refuse to merge binary files' '
  87         git reset --hard &&
  88         printf "\0" > binary-file &&
  89         git add binary-file &&
  90         git commit -m binary &&
  91         git checkout G &&
  92         printf "\0\0" > binary-file &&
  93         git add binary-file &&
  94         git commit -m binary2 &&
  95         test_must_fail git merge F > merge.out 2> merge.err &&
  96         grep "Cannot merge binary files: HEAD:binary-file vs. F:binary-file" \
  97                 merge.err
  98 '
  99
 100 test_expect_success 'mark rename/delete as unmerged' '
 101
 102         git reset --hard &&
 103         git checkout -b delete &&
 104         git rm a1 &&
 105         test_tick &&
 106         git commit -m delete &&
 107         git checkout -b rename HEAD^ &&
 108         git mv a1 a2
 109         test_tick &&
 110         git commit -m rename &&
 111         test_must_fail git merge delete &&
 112         test 1 = $(git ls-files --unmerged | wc -l) &&
 113         git rev-parse --verify :2:a2 &&
 114         test_must_fail git rev-parse --verify :3:a2 &&
 115         git checkout -f delete &&
 116         test_must_fail git merge rename &&
 117         test 1 = $(git ls-files --unmerged | wc -l) &&
 118         test_must_fail git rev-parse --verify :2:a2 &&
 119         git rev-parse --verify :3:a2
 120
 121 '
 122
 123 test_done