Remove git signature from generated patches

[opohorel]

[gemini-code-assist]

Code Review

This pull request updates the backport documentation, prompt templates, and the wicked_git.py tool to include the --no-signature flag when running git format-patch. This ensures that generated patch files do not contain the Git version signature, leading to cleaner and more consistent patch outputs. There are no review comments provided, so I have no additional feedback to offer.

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[qodo-for-packit]

Code Review by Qodo

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[qodo-for-packit]

PR Summary by Qodo

Omit git format-patch signatures in generated backport patches
🐞 Bug fix 📝 Documentation 🕐 10-20 Minutes

Description

• Ensure generated patch files exclude Git’s trailing signature block.
• Update backport workflow docs/prompts to recommend git format-patch --no-signature.
• Make git_patch_create invoke git format-patch with --no-signature by default.

Diagram

graph TD
  A["Backport docs & prompts"] --> B["git_patch_create tool"] --> D["git format-patch --no-signature"] --> E([".patch output"])
  A --> C["run_shell_command"] --> D

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High-Level Assessment

Using git format-patch --no-signature is the most direct and deterministic way to prevent signature trailers from entering generated patches. Alternatives like post-processing patch text or relying on per-user git config (e.g., format.signature) are more fragile and environment-dependent.

Files changed (4) +9 / -9

Bug fix (1) +1 / -1

wicked_git.pyAdd '--no-signature' to 'git_patch_create'’s format-patch invocation +1/-1

Add '--no-signature' to 'git_patch_create'’s format-patch invocation

• Changes 'GitPatchCreationTool' to call 'git format-patch' with '--no-signature' when producing the combined patch output. This prevents git’s signature footer from being included in generated patches.

ymir/tools/unprivileged/wicked_git.py

Documentation (3) +8 / -8

SKILL.mdDocument '--no-signature' for per-commit patch generation +4/-4

Document '--no-signature' for per-commit patch generation

• Updates backport instructions to include 'git format-patch --no-signature' in the recommended 'run_shell_command' examples. This aligns documentation with the desired patch artifact format (no git signature trailer).

agents_as_skills/backport/SKILL.md

instructions.j2Align backport prompt instructions to use '--no-signature' +2/-2

Align backport prompt instructions to use '--no-signature'

• Updates the backport agent prompt template to recommend 'git format-patch --no-signature' for multi-patch workflows. Keeps generated guidance consistent with the tool behavior change.

ymir/agents/prompts/backport/instructions.j2

instructions_zstream.j2Align z-stream backport prompt instructions to use '--no-signature' +2/-2

Align z-stream backport prompt instructions to use '--no-signature'

• Updates the z-stream backport prompt template to recommend 'git format-patch --no-signature' for per-commit patch generation. Mirrors the non-z-stream backport prompt changes for consistency.

ymir/agents/prompts/backport/instructions_zstream.j2