utils: fix diff so subpaths work for sparse checkouts, fixes 1455 #1484
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@onee-only all tests pass. I re-based all the commits into a single one which I believe adheres to the comment format. Please LMK if you need anything else. Otherwise if you can r+ and merge it'd be greatly appreciated! :) |
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@patricsss LGTM. But I don't have any permission to merge this PR. 😅
Let's wait for maintainers to review it.
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My mistake haha. I assumed you were one. 😂 |
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@patricsss thank you for working on this. 👍 @onee-only thank you for the initial reviews. 🙇 |
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utils: fix diff so subpaths work for sparse checkouts, fixes 1455
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utils: fix diff so subpaths work for sparse checkouts, fixes 1455
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Summary
Fix for #1455
When attempting to check out anything that isn't a root directory the Sparse Checkout options do not work correctly. This is reproducible with the examples in the above issue.
Problem
"virtual" nodes are created in the tree that represent directories. The first time a file is added to the tree it's parts are split and any missing nodes (including any directories) are added to the tree.
For example, if the first added file is
foo/bar/file.yamland this file should be skipped, entries are created forfoo,foo/bar, andfoo/bar/file.yaml, with all three entries settingSkipWorktreetotrue. Iffoo/baz/file.yamlis subsequently added, but should not be skipped, this is the current bug.fooalready exists in the tree, and hadSkipWorktreeset totrue. Even thoughfoo/bazandfoo/baz/file.yamlwill have skip to false, they will never be included in the diff because their parentfoowas already marked as skipped.Fix
This change makes it so that any existing parents are re-checked and have their
SkipWorktreeboolean reset when any child of that subtree hasSkipWorktreeset to false.The final issue is in the
addRecursive()method. It doesn't take into consideration theSkipWorktreeflag via theSkip()interface. It now checks this condition and does not add any subtrees which were marked asSkip() == trueTesting
I tested the changes with the reproduction case provided as well as through a simple unit test that attempts to highlight the issue and solution.
Open to any suggestions.