t/t2011-checkout-invalid-head.sh

   1 #!/bin/sh
   2
   3 test_description='checkout switching away from an invalid branch'
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 TEST_PASSES_SANITIZE_LEAK=true
   9 . ./test-lib.sh
  10
  11 test_expect_success 'setup' '
  12         echo hello >world &&
  13         git add world &&
  14         git commit -m initial
  15 '
  16
  17 test_expect_success 'checkout should not start branch from a tree' '
  18         test_must_fail git checkout -b newbranch main^{tree}
  19 '
  20
  21 test_expect_success REFFILES 'checkout main from invalid HEAD' '
  22         echo $ZERO_OID >.git/HEAD &&
  23         git checkout main --
  24 '
  25
  26 test_expect_success REFFILES 'checkout notices failure to lock HEAD' '
  27         test_when_finished "rm -f .git/HEAD.lock" &&
  28         >.git/HEAD.lock &&
  29         test_must_fail git checkout -b other
  30 '
  31
  32 test_expect_success 'create ref directory/file conflict scenario' '
  33         git update-ref refs/heads/outer/inner main &&
  34         reset_to_df () {
  35                 git symbolic-ref HEAD refs/heads/outer
  36         }
  37 '
  38
  39 test_expect_success 'checkout away from d/f HEAD (unpacked, to branch)' '
  40         reset_to_df &&
  41         git checkout main
  42 '
  43
  44 test_expect_success 'checkout away from d/f HEAD (unpacked, to detached)' '
  45         reset_to_df &&
  46         git checkout --detach main
  47 '
  48
  49 test_expect_success 'pack refs' '
  50         git pack-refs --all --prune
  51 '
  52
  53 test_expect_success 'checkout away from d/f HEAD (packed, to branch)' '
  54         reset_to_df &&
  55         git checkout main
  56 '
  57
  58 test_expect_success 'checkout away from d/f HEAD (packed, to detached)' '
  59         reset_to_df &&
  60         git checkout --detach main
  61 '
  62 test_done