t/t6409-merge-subtree.sh

   1 #!/bin/sh
   2
   3 test_description='subtree merge strategy'
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 . ./test-lib.sh
   9
  10 test_expect_success setup '
  11
  12         s="1 2 3 4 5 6 7 8" &&
  13         test_write_lines $s >hello &&
  14         git add hello &&
  15         git commit -m initial &&
  16         git checkout -b side &&
  17         echo >>hello world &&
  18         git add hello &&
  19         git commit -m second &&
  20         git checkout main &&
  21         test_write_lines mundo $s >hello &&
  22         git add hello &&
  23         git commit -m main
  24
  25 '
  26
  27 test_expect_success 'subtree available and works like recursive' '
  28
  29         git merge -s subtree side &&
  30         test_write_lines mundo $s world >expect &&
  31         test_cmp expect hello
  32
  33 '
  34
  35 test_expect_success 'setup branch sub' '
  36         git checkout --orphan sub &&
  37         git rm -rf . &&
  38         test_commit foo
  39 '
  40
  41 test_expect_success 'setup topic branch' '
  42         git checkout -b topic main &&
  43         git merge -s ours --no-commit --allow-unrelated-histories sub &&
  44         git read-tree --prefix=dir/ -u sub &&
  45         git commit -m "initial merge of sub into topic" &&
  46         test_path_is_file dir/foo.t &&
  47         test_path_is_file hello
  48 '
  49
  50 test_expect_success 'update branch sub' '
  51         git checkout sub &&
  52         test_commit bar
  53 '
  54
  55 test_expect_success 'update topic branch' '
  56         git checkout topic &&
  57         git merge -s subtree sub -m "second merge of sub into topic" &&
  58         test_path_is_file dir/bar.t &&
  59         test_path_is_file dir/foo.t &&
  60         test_path_is_file hello
  61 '
  62
  63 test_expect_success 'setup' '
  64         mkdir git-gui &&
  65         cd git-gui &&
  66         git init &&
  67         echo git-gui > git-gui.sh &&
  68         o1=$(git hash-object git-gui.sh) &&
  69         git add git-gui.sh &&
  70         git commit -m "initial git-gui" &&
  71         cd .. &&
  72         mkdir git &&
  73         cd git &&
  74         git init &&
  75         echo git >git.c &&
  76         o2=$(git hash-object git.c) &&
  77         git add git.c &&
  78         git commit -m "initial git"
  79 '
  80
  81 test_expect_success 'initial merge' '
  82         git remote add -f gui ../git-gui &&
  83         git merge -s ours --no-commit --allow-unrelated-histories gui/main &&
  84         git read-tree --prefix=git-gui/ -u gui/main &&
  85         git commit -m "Merge git-gui as our subdirectory" &&
  86         git checkout -b work &&
  87         git ls-files -s >actual &&
  88         (
  89                 echo "100644 $o1 0      git-gui/git-gui.sh" &&
  90                 echo "100644 $o2 0      git.c"
  91         ) >expected &&
  92         test_cmp expected actual
  93 '
  94
  95 test_expect_success 'merge update' '
  96         cd ../git-gui &&
  97         echo git-gui2 > git-gui.sh &&
  98         o3=$(git hash-object git-gui.sh) &&
  99         git add git-gui.sh &&
 100         git checkout -b topic_2 &&
 101         git commit -m "update git-gui" &&
 102         cd ../git &&
 103         git pull --no-rebase -s subtree gui topic_2 &&
 104         git ls-files -s >actual &&
 105         (
 106                 echo "100644 $o3 0      git-gui/git-gui.sh" &&
 107                 echo "100644 $o2 0      git.c"
 108         ) >expected &&
 109         test_cmp expected actual
 110 '
 111
 112 test_expect_success 'initial ambiguous subtree' '
 113         cd ../git &&
 114         git reset --hard main &&
 115         git checkout -b topic_2 &&
 116         git merge -s ours --no-commit gui/main &&
 117         git read-tree --prefix=git-gui2/ -u gui/main &&
 118         git commit -m "Merge git-gui2 as our subdirectory" &&
 119         git checkout -b work2 &&
 120         git ls-files -s >actual &&
 121         (
 122                 echo "100644 $o1 0      git-gui/git-gui.sh" &&
 123                 echo "100644 $o1 0      git-gui2/git-gui.sh" &&
 124                 echo "100644 $o2 0      git.c"
 125         ) >expected &&
 126         test_cmp expected actual
 127 '
 128
 129 test_expect_success 'merge using explicit' '
 130         cd ../git &&
 131         git reset --hard topic_2 &&
 132         git pull --no-rebase -Xsubtree=git-gui gui topic_2 &&
 133         git ls-files -s >actual &&
 134         (
 135                 echo "100644 $o3 0      git-gui/git-gui.sh" &&
 136                 echo "100644 $o1 0      git-gui2/git-gui.sh" &&
 137                 echo "100644 $o2 0      git.c"
 138         ) >expected &&
 139         test_cmp expected actual
 140 '
 141
 142 test_expect_success 'merge2 using explicit' '
 143         cd ../git &&
 144         git reset --hard topic_2 &&
 145         git pull --no-rebase -Xsubtree=git-gui2 gui topic_2 &&
 146         git ls-files -s >actual &&
 147         (
 148                 echo "100644 $o1 0      git-gui/git-gui.sh" &&
 149                 echo "100644 $o3 0      git-gui2/git-gui.sh" &&
 150                 echo "100644 $o2 0      git.c"
 151         ) >expected &&
 152         test_cmp expected actual
 153 '
 154
 155 test_done