t/t2011-checkout-invalid-head.sh

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