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_PASSES_SANITIZE_LEAK=true
   8 . ./test-lib.sh
   9
  10 test_expect_success 'setup' '
  11         mkdir parent &&
  12         (
  13                 cd parent &&
  14                 git init &&
  15                 echo content >file &&
  16                 git add file &&
  17                 git commit -m base
  18         ) &&
  19         git fetch parent main:origin
  20 '
  21
  22 test_expect_success 'checkout from unborn preserves untracked files' '
  23         echo precious >expect &&
  24         echo precious >file &&
  25         test_must_fail git checkout -b new origin &&
  26         test_cmp expect file
  27 '
  28
  29 test_expect_success 'checkout from unborn preserves index contents' '
  30         echo precious >expect &&
  31         echo precious >file &&
  32         git add file &&
  33         test_must_fail git checkout -b new origin &&
  34         test_cmp expect file &&
  35         git show :file >file &&
  36         test_cmp expect file
  37 '
  38
  39 test_expect_success 'checkout from unborn merges identical index contents' '
  40         echo content >file &&
  41         git add file &&
  42         git checkout -b new origin
  43 '
  44
  45 test_expect_success 'checking out another branch from unborn state' '
  46         git checkout --orphan newroot &&
  47         git checkout -b anothername &&
  48         test_must_fail git show-ref --verify refs/heads/newroot &&
  49         git symbolic-ref HEAD >actual &&
  50         echo refs/heads/anothername >expect &&
  51         test_cmp expect actual
  52 '
  53
  54 test_expect_success 'checking out in a newly created repo' '
  55         test_create_repo empty &&
  56         (
  57                 cd empty &&
  58                 git symbolic-ref HEAD >expect &&
  59                 test_must_fail git checkout &&
  60                 git symbolic-ref HEAD >actual &&
  61                 test_cmp expect actual
  62         )
  63 '
  64
  65 test_done