fix: pin cross to known working commit

[infiniteregrets]

No description provided.

[greptile-apps]

Greptile Overview

Greptile Summary

Pinned the cross tool to a specific commit (846d469b) in the release workflow to prevent build failures from unexpected upstream changes. Added a new test workflow (test-cross.yml) to validate cross-compilation builds for the aarch64-unknown-linux-musl target on pull requests.

Changes:

• Modified .github/workflows/release.yml to install cross from commit 846d469b instead of the latest version
• Created .github/workflows/test-cross.yml to test cross builds before they reach production
• The test workflow triggers on changes to workflow files and validates the build process

Impact:

• Ensures reproducible builds by locking cross to a known working version
• Provides early detection of cross-compilation issues through PR testing
• Prevents potential release failures from upstream cross-rs changes

Confidence Score: 5/5

• This PR is safe to merge - it improves build reliability through version pinning and adds testing coverage
• The changes are straightforward and defensive: pinning a build tool to a specific working commit eliminates potential breakage from upstream changes, while the new test workflow provides validation before production releases. Both changes follow CI/CD best practices.
• No files require special attention

Important Files Changed

Filename	Overview
.github/workflows/release.yml	Pinned cross installation to specific commit (846d469b) to ensure reproducible builds
.github/workflows/test-cross.yml	Added new workflow to test cross builds on PR changes, validates aarch64-unknown-linux-musl target

Sequence Diagram

sequenceDiagram
    participant PR as Pull Request
    participant TestCross as test-cross.yml
    participant Release as release.yml
    participant CrossRepo as cross-rs/cross
    participant Cargo as cargo install
    participant Build as Cross Build
    
    Note over PR,Build: PR Workflow (test-cross.yml)
    PR->>TestCross: Trigger on PR (workflow changes)
    TestCross->>Cargo: Install cross from git
    Cargo->>CrossRepo: Fetch commit 846d469b
    CrossRepo-->>Cargo: Return pinned version
    Cargo-->>TestCross: cross installed
    TestCross->>Build: Run cross build (aarch64-unknown-linux-musl)
    Build-->>TestCross: Binary created
    TestCross->>TestCross: Verify binary with file command
    
    Note over PR,Build: Release Workflow (release.yml)
    Release->>Cargo: Install cross from git (if use_cross)
    Cargo->>CrossRepo: Fetch commit 846d469b
    CrossRepo-->>Cargo: Return pinned version
    Cargo-->>Release: cross installed
    Release->>Build: Run cross build (aarch64-unknown-linux-musl)
    Build-->>Release: Release binary created

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