Add git read-tree completions

[rasitakyol]

Warp issue warpdotdev/warp#12321 requests completion metadata for git read-tree. The command-signatures repository currently has no read-tree subcommand entry, so Warp cannot suggest its documented flags or tree-ish references.

The command-signatures package should add a focused git read-tree signature that covers the documented options and reuses the existing local branch, remote branch, ref, and tag generators for the optional tree-ish arguments.

An implementation is available in #296, including package presubmit coverage and manual verification in a local Warp build. The upstream Warp issue is already labeled ready-to-implement.

[oz-for-oss]

@rasitakyol

Here's what I found while triaging this issue:

This looks actionable: the current command signature does not include git read-tree, so Warp cannot offer completions for its flags or tree-ish arguments. PR #296 appears to implement the requested signature and links this issue.

Maintainer details

I concluded that add missing command-signature coverage for git read-tree so Warp can complete its documented options and tree-ish arguments..

Triage summary

This is an enhancement request for missing git read-tree completion metadata. The current Git command signature does not include a read-tree subcommand, while related Git reference generators already exist and can be reused for the optional tree-ish arguments.

Reproducibility

High. The missing coverage can be confirmed by inspecting the Git signature and seeing that read-tree is not present as a subcommand.

Likely implementation area

• Add the read-tree subcommand, documented options, and optional variadic tree-ish arguments in command-signatures/json/git.json.
• Reuse existing Git generators from command-signatures/src/generators/git.rs for local branches, remote branches, refs, and tags where appropriate.

Duplicate check

I checked open non-PR issues across the repository, plus recently closed issues from the last 7 days, and did not find two or more likely duplicates. The closest open issues are for other Git subcommands (rev-parse and update-ref), not this read-tree request.

Notes

PR #296 appears to implement this request and links this issue.

This is my automated analysis and may be incorrect. A maintainer will verify the details.

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[oz-for-oss]

This issue has been labeled ready-to-implement and is open for contributions involving code changes. If you'd like to tackle it, feel free to open a pull request against this issue. You can also comment @oz-agent on this issue to have the bot draft an implementation PR automatically.