t/lib-read-tree.sh

   1 # Helper functions to check if read-tree would succeed/fail as expected with
   2 # and without the dry-run option. They also test that the dry-run does not
   3 # write the index and that together with -u it doesn't touch the work tree.
   4 #
   5 read_tree_must_succeed () {
   6         git ls-files -s >pre-dry-run &&
   7         git read-tree -n "$@" &&
   8         git ls-files -s >post-dry-run &&
   9         test_cmp pre-dry-run post-dry-run &&
  10         git read-tree "$@"
  11 }
  12
  13 read_tree_must_fail () {
  14         git ls-files -s >pre-dry-run &&
  15         test_must_fail git read-tree -n "$@" &&
  16         git ls-files -s >post-dry-run &&
  17         test_cmp pre-dry-run post-dry-run &&
  18         test_must_fail git read-tree "$@"
  19 }
  20
  21 read_tree_u_must_succeed () {
  22         git ls-files -s >pre-dry-run &&
  23         git diff-files -p >pre-dry-run-wt &&
  24         git read-tree -n "$@" &&
  25         git ls-files -s >post-dry-run &&
  26         git diff-files -p >post-dry-run-wt &&
  27         test_cmp pre-dry-run post-dry-run &&
  28         test_cmp pre-dry-run-wt post-dry-run-wt &&
  29         git read-tree "$@"
  30 }
  31
  32 read_tree_u_must_fail () {
  33         git ls-files -s >pre-dry-run &&
  34         git diff-files -p >pre-dry-run-wt &&
  35         test_must_fail git read-tree -n "$@" &&
  36         git ls-files -s >post-dry-run &&
  37         git diff-files -p >post-dry-run-wt &&
  38         test_cmp pre-dry-run post-dry-run &&
  39         test_cmp pre-dry-run-wt post-dry-run-wt &&
  40         test_must_fail git read-tree "$@"
  41 }