# Helper functions to check if read-tree would succeed/fail as expected with # and without the dry-run option. They also test that the dry-run does not # write the index and that together with -u it doesn't touch the work tree. # read_tree_must_succeed () { git ls-files -s >pre-dry-run && git read-tree -n "$@" && git ls-files -s >post-dry-run && test_cmp pre-dry-run post-dry-run && git read-tree "$@" } read_tree_must_fail () { git ls-files -s >pre-dry-run && test_must_fail git read-tree -n "$@" && git ls-files -s >post-dry-run && test_cmp pre-dry-run post-dry-run && test_must_fail git read-tree "$@" } read_tree_u_must_succeed () { git ls-files -s >pre-dry-run && git diff-files -p >pre-dry-run-wt && git read-tree -n "$@" && git ls-files -s >post-dry-run && git diff-files -p >post-dry-run-wt && test_cmp pre-dry-run post-dry-run && test_cmp pre-dry-run-wt post-dry-run-wt && git read-tree "$@" } read_tree_u_must_fail () { git ls-files -s >pre-dry-run && git diff-files -p >pre-dry-run-wt && test_must_fail git read-tree -n "$@" && git ls-files -s >post-dry-run && git diff-files -p >post-dry-run-wt && test_cmp pre-dry-run post-dry-run && test_cmp pre-dry-run-wt post-dry-run-wt && test_must_fail git read-tree "$@" }