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authorLibravatar Victoria Dye <vdye@github.com>2022-01-11 18:05:04 +0000
committerLibravatar Junio C Hamano <gitster@pobox.com>2022-01-13 13:49:45 -0800
commite015d4d9614f728cc454900fde52af2076d5ef63 (patch)
treec2afd230f40e1a071ed35812d7ecd049ca4e99aa /t/t4135/git-with spaces.diff
parentcheckout-index: integrate with sparse index (diff)
downloadtgif-e015d4d9614f728cc454900fde52af2076d5ef63.tar.xz
update-index: add tests for sparse-checkout compatibility
Introduce tests for a variety of `git update-index` use cases, including performance scenarios. Tests are intended to exercise `update-index` with options that change the commands interaction with the index (e.g., `--again`) and with files/directories inside and outside a sparse checkout cone. Of note is that these tests clearly establish the behavior of `git update-index --add` with untracked, outside-of-cone files. Unlike `git add`, which fails with an error when provided with such files, `update-index` succeeds in adding them to the index. Additionally, the `skip-worktree` flag is *not* automatically added to the new entry. Although this is pre-existing behavior, there are a couple of reasons to avoid changing it in favor of consistency with e.g. `git add`: * `update-index` is low-level command for modifying the index; while it can perform operations similar to those of `add`, it traditionally has fewer "guardrails" preventing a user from doing something they may not want to do (in this case, adding an outside-of-cone, non-`skip-worktree` file to the index) * `update-index` typically only exits with an error code if it is incapable of performing an operation (e.g., if an internal function call fails); adding a new file outside the sparse checkout definition is still a valid operation, albeit an inadvisable one * `update-index` does not implicitly set flags (e.g., `skip-worktree`) when creating new index entries with `--add`; if flags need to be updated, options like `--[no-]skip-worktree` allow a user to intentionally set them All this to say that, while there are valid reasons to consider changing the treatment of outside-of-cone files in `update-index`, there are also sufficient reasons for leaving it as-is. Co-authored-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Victoria Dye <vdye@github.com> Reviewed-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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