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The option can be used to check if read-tree with the same set of other options like "-m" and "-u" would succeed without actually changing either the index or the working tree. The relevant tests in the t10?? range were extended to do a read-tree -n before the real read-tree to make sure neither the index nor any local files were changed with -n and the same exit code as without -n is returned. The helper functions added for that purpose reside in the new t/lib-read-tree.sh file. The only exception is #13 in t1004 ("unlinking an un-unlink-able symlink"). As this is an issue of wrong directory permissions it is not detected with -n. Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
44 lines
1.3 KiB
Bash
44 lines
1.3 KiB
Bash
#!/bin/sh
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#
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# Helper functions to check if read-tree would succeed/fail as expected with
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# and without the dry-run option. They also test that the dry-run does not
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# write the index and that together with -u it doesn't touch the work tree.
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#
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read_tree_must_succeed () {
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git ls-files -s >pre-dry-run &&
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git read-tree -n "$@" &&
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git ls-files -s >post-dry-run &&
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test_cmp pre-dry-run post-dry-run &&
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git read-tree "$@"
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}
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read_tree_must_fail () {
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git ls-files -s >pre-dry-run &&
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test_must_fail git read-tree -n "$@" &&
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git ls-files -s >post-dry-run &&
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test_cmp pre-dry-run post-dry-run &&
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test_must_fail git read-tree "$@"
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}
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read_tree_u_must_succeed () {
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git ls-files -s >pre-dry-run &&
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git diff-files -p >pre-dry-run-wt &&
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git read-tree -n "$@" &&
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git ls-files -s >post-dry-run &&
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git diff-files -p >post-dry-run-wt &&
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test_cmp pre-dry-run post-dry-run &&
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test_cmp pre-dry-run-wt post-dry-run-wt &&
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git read-tree "$@"
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}
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read_tree_u_must_fail () {
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git ls-files -s >pre-dry-run &&
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git diff-files -p >pre-dry-run-wt &&
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test_must_fail git read-tree -n "$@" &&
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git ls-files -s >post-dry-run &&
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git diff-files -p >post-dry-run-wt &&
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test_cmp pre-dry-run post-dry-run &&
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test_cmp pre-dry-run-wt post-dry-run-wt &&
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test_must_fail git read-tree "$@"
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}
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