t/t2407-worktree-heads.sh

   1 #!/bin/sh
   2
   3 test_description='test operations trying to overwrite refs at worktree HEAD'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 test_expect_success 'setup' '
   9         test_commit init &&
  10
  11         for i in 1 2 3 4
  12         do
  13                 git checkout -b conflict-$i &&
  14                 echo "not I" >$i.t &&
  15                 git add $i.t &&
  16                 git commit -m "will conflict" &&
  17
  18                 git checkout - &&
  19                 test_commit $i &&
  20                 git branch wt-$i &&
  21                 git branch fake-$i &&
  22                 git worktree add wt-$i wt-$i || return 1
  23         done &&
  24
  25         # Create a server that updates each branch by one commit
  26         git init server &&
  27         test_commit -C server initial &&
  28         git remote add server ./server &&
  29         for i in 1 2 3 4
  30         do
  31                 git -C server checkout -b wt-$i &&
  32                 test_commit -C server A-$i || return 1
  33         done &&
  34         for i in 1 2
  35         do
  36                 git -C server checkout -b fake-$i &&
  37                 test_commit -C server f-$i || return 1
  38         done
  39 '
  40
  41 test_expect_success 'refuse to overwrite: checked out in worktree' '
  42         for i in 1 2 3 4
  43         do
  44                 test_must_fail git branch -f wt-$i HEAD 2>err &&
  45                 grep "cannot force update the branch" err &&
  46
  47                 test_must_fail git branch -D wt-$i 2>err &&
  48                 grep "cannot delete branch" err || return 1
  49         done
  50 '
  51
  52 test_expect_success !SANITIZE_LEAK 'refuse to overwrite: worktree in bisect' '
  53         test_when_finished git -C wt-4 bisect reset &&
  54
  55         # Set up a bisect so HEAD no longer points to wt-4.
  56         git -C wt-4 bisect start &&
  57         git -C wt-4 bisect bad wt-4 &&
  58         git -C wt-4 bisect good wt-1 &&
  59
  60         test_must_fail git branch -f wt-4 HEAD 2>err &&
  61         grep "cannot force update the branch '\''wt-4'\'' used by worktree at.*wt-4" err
  62 '
  63
  64 test_expect_success !SANITIZE_LEAK 'refuse to overwrite: worktree in rebase (apply)' '
  65         test_when_finished git -C wt-2 rebase --abort &&
  66
  67         # This will fail part-way through due to a conflict.
  68         test_must_fail git -C wt-2 rebase --apply conflict-2 &&
  69
  70         test_must_fail git branch -f wt-2 HEAD 2>err &&
  71         grep "cannot force update the branch '\''wt-2'\'' used by worktree at.*wt-2" err
  72 '
  73
  74 test_expect_success !SANITIZE_LEAK 'refuse to overwrite: worktree in rebase (merge)' '
  75         test_when_finished git -C wt-2 rebase --abort &&
  76
  77         # This will fail part-way through due to a conflict.
  78         test_must_fail git -C wt-2 rebase conflict-2 &&
  79
  80         test_must_fail git branch -f wt-2 HEAD 2>err &&
  81         grep "cannot force update the branch '\''wt-2'\'' used by worktree at.*wt-2" err
  82 '
  83
  84 test_expect_success !SANITIZE_LEAK 'refuse to overwrite: worktree in rebase with --update-refs' '
  85         test_when_finished git -C wt-3 rebase --abort &&
  86
  87         git branch -f can-be-updated wt-3 &&
  88         test_must_fail git -C wt-3 rebase --update-refs conflict-3 &&
  89
  90         for i in 3 4
  91         do
  92                 test_must_fail git branch -f can-be-updated HEAD 2>err &&
  93                 grep "cannot force update the branch '\''can-be-updated'\'' used by worktree at.*wt-3" err ||
  94                         return 1
  95         done
  96 '
  97
  98 test_expect_success !SANITIZE_LEAK 'refuse to fetch over ref: checked out' '
  99         test_must_fail git fetch server +refs/heads/wt-3:refs/heads/wt-3 2>err &&
 100         grep "refusing to fetch into branch '\''refs/heads/wt-3'\''" err &&
 101
 102         # General fetch into refs/heads/ will fail on first ref,
 103         # so use a generic error message check.
 104         test_must_fail git fetch server +refs/heads/*:refs/heads/* 2>err &&
 105         grep "refusing to fetch into branch" err
 106 '
 107
 108 test_expect_success !SANITIZE_LEAK 'refuse to fetch over ref: worktree in bisect' '
 109         test_when_finished git -C wt-4 bisect reset &&
 110
 111         # Set up a bisect so HEAD no longer points to wt-4.
 112         git -C wt-4 bisect start &&
 113         git -C wt-4 bisect bad wt-4 &&
 114         git -C wt-4 bisect good wt-1 &&
 115
 116         test_must_fail git fetch server +refs/heads/wt-4:refs/heads/wt-4 2>err &&
 117         grep "refusing to fetch into branch" err
 118 '
 119
 120 test_expect_success !SANITIZE_LEAK 'refuse to fetch over ref: worktree in rebase' '
 121         test_when_finished git -C wt-3 rebase --abort &&
 122
 123         # This will fail part-way through due to a conflict.
 124         test_must_fail git -C wt-3 rebase conflict-3 &&
 125
 126         test_must_fail git fetch server +refs/heads/wt-3:refs/heads/wt-3 2>err &&
 127         grep "refusing to fetch into branch" err
 128 '
 129
 130 test_expect_success 'refuse to overwrite when in error states' '
 131         test_when_finished rm -rf .git/worktrees/wt-*/rebase-merge &&
 132         test_when_finished rm -rf .git/worktrees/wt-*/BISECT_* &&
 133
 134         # Both branches are currently under rebase.
 135         mkdir -p .git/worktrees/wt-3/rebase-merge &&
 136         touch .git/worktrees/wt-3/rebase-merge/interactive &&
 137         echo refs/heads/fake-1 >.git/worktrees/wt-3/rebase-merge/head-name &&
 138         echo refs/heads/fake-2 >.git/worktrees/wt-3/rebase-merge/onto &&
 139         mkdir -p .git/worktrees/wt-4/rebase-merge &&
 140         touch .git/worktrees/wt-4/rebase-merge/interactive &&
 141         echo refs/heads/fake-2 >.git/worktrees/wt-4/rebase-merge/head-name &&
 142         echo refs/heads/fake-1 >.git/worktrees/wt-4/rebase-merge/onto &&
 143
 144         # Both branches are currently under bisect.
 145         touch .git/worktrees/wt-4/BISECT_LOG &&
 146         echo refs/heads/fake-2 >.git/worktrees/wt-4/BISECT_START &&
 147         touch .git/worktrees/wt-1/BISECT_LOG &&
 148         echo refs/heads/fake-1 >.git/worktrees/wt-1/BISECT_START &&
 149
 150         for i in 1 2
 151         do
 152                 test_must_fail git branch -f fake-$i HEAD 2>err &&
 153                 grep "cannot force update the branch '\''fake-$i'\'' used by worktree at" err ||
 154                         return 1
 155         done
 156 '
 157
 158 . "$TEST_DIRECTORY"/lib-rebase.sh
 159
 160 test_expect_success !SANITIZE_LEAK 'refuse to overwrite during rebase with --update-refs' '
 161         git commit --fixup HEAD~2 --allow-empty &&
 162         (
 163                 set_cat_todo_editor &&
 164                 test_must_fail git rebase -i --update-refs HEAD~3 >todo &&
 165                 ! grep "update-refs" todo
 166         ) &&
 167         git branch -f allow-update HEAD~2 &&
 168         (
 169                 set_cat_todo_editor &&
 170                 test_must_fail git rebase -i --update-refs HEAD~3 >todo &&
 171                 grep "update-ref refs/heads/allow-update" todo
 172         )
 173 '
 174
 175 # This must be the last test in this file
 176 test_expect_success '$EDITOR and friends are unchanged' '
 177         test_editor_unchanged
 178 '
 179
 180 test_done