Re: [PATCH] scripts: Add git-resolve tool for full SHA-1 resolution

[Kees Cook]

On Tue, Mar 11, 2025 at 12:53:36PM -0400, Sasha Levin wrote:
> Introduce git-resolve.sh, a tool that resolves short git commit IDs to their
> full SHA-1 hash. This is particularly useful for navigating references in commit
> messages and verifying Fixes tags.
> 
> When faced with ambiguous commit IDs or imprecise references in messages,
> this tool can help by resolving commit hashes based on not just the ID
> itself but also the commit subject, making it more robust than standard
> git rev-parse.
> 
> This is especially valuable for maintainers who need to verify Fixes tags
> or cross-reference commits. Unlike proposals to add dates to Fixes tags
> (which would break existing tooling), this script provides a way to
> disambiguate commits without changing the established tag format.
> 
> The script includes several features:
> - Resolves short commit IDs to full SHA-1 hashes
> - Uses commit subjects to disambiguate between multiple potential matches
> - Supports wildcard patterns in subjects with ellipsis (...)
> - Provides a force mode to attempt resolution by subject when ID lookup fails
> - Includes comprehensive self-tests
> 
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

Nice! Thanks for incorporating the features from akpm's scripts, I think
that'll help a lot when resolving weird stuff. :)

Reviewed-by: Kees Cook <kees@xxxxxxxxxx>

-- 
Kees Cook