t/t2015-checkout-unborn.sh

   1 #!/bin/sh
   2
   3 test_description='checkout from unborn branch'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 . ./test-lib.sh
   8
   9 test_expect_success 'setup' '
  10         mkdir parent &&
  11         (cd parent &&
  12          git init &&
  13          echo content >file &&
  14          git add file &&
  15          git commit -m base
  16         ) &&
  17         git fetch parent main:origin
  18 '
  19
  20 test_expect_success 'checkout from unborn preserves untracked files' '
  21         echo precious >expect &&
  22         echo precious >file &&
  23         test_must_fail git checkout -b new origin &&
  24         test_cmp expect file
  25 '
  26
  27 test_expect_success 'checkout from unborn preserves index contents' '
  28         echo precious >expect &&
  29         echo precious >file &&
  30         git add file &&
  31         test_must_fail git checkout -b new origin &&
  32         test_cmp expect file &&
  33         git show :file >file &&
  34         test_cmp expect file
  35 '
  36
  37 test_expect_success 'checkout from unborn merges identical index contents' '
  38         echo content >file &&
  39         git add file &&
  40         git checkout -b new origin
  41 '
  42
  43 test_expect_success 'checking out another branch from unborn state' '
  44         git checkout --orphan newroot &&
  45         git checkout -b anothername &&
  46         test_must_fail git show-ref --verify refs/heads/newroot &&
  47         git symbolic-ref HEAD >actual &&
  48         echo refs/heads/anothername >expect &&
  49         test_cmp expect actual
  50 '
  51
  52 test_expect_success 'checking out in a newly created repo' '
  53         test_create_repo empty &&
  54         (
  55                 cd empty &&
  56                 git symbolic-ref HEAD >expect &&
  57                 test_must_fail git checkout &&
  58                 git symbolic-ref HEAD >actual &&
  59                 test_cmp expect actual
  60         )
  61 '
  62
  63 test_done