[Docs] Lefthook described inaccurately in comparisons

[dhouck]

https://hk.jdx.dev/why-hk.html says lots of times that Lefthook does no stash management whatsoever. This seems to be incorrect; it has done some since 1.3.0, although there are several open issues about it (eg. evilmartians/lefthook#833, evilmartians/lefthook#1480) so it might not do it well.

I havenʼt personally used it (Iʼm looking at hk because Iʼm trying to find a hook manager), so it might just do nothing, but some of those issues seem like they couldnʼt exist if it werenʼt even trying to stash unstaged changes.

[jdx]

Thanks for the correction—you’re right. Lefthook has hidden and restored tracked, partially staged changes for pre-commit hooks since v1.3.0. Its handling is more limited than hk’s (notably, it does not hide untracked files), but describing it as having no stash management was inaccurate.

I’ve opened #1297 to correct the comparison and document that distinction.

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