feat: add paths_ignore to pushes, pull requests and pull requests targets

[MrSubidubi]

This PR adds support for paths_ignore as described in https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-syntax#onpushpull_requestpull_request_targetpathspaths-ignore. I also added paths to the PullRequestTarget, as that is also supported per the documentation.

Summary by CodeRabbit

• New Features
  • Added path-based filtering to pull request and push workflow triggers, enabling workflows to execute only when specified paths are modified.
  • Added path ignore functionality to exclude specific paths from triggering workflows.
  • Updated configuration field naming to use standard kebab-case format for improved consistency.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

Walkthrough

Added path filtering semantics to GitHub workflow event structures by introducing paths and paths_ignore fields to PullRequest, PullRequestTarget, and Push structs. Applied kebab-case serde renaming and implemented fluent builder methods for path and ignore-path manipulation.

Changes

Cohort / File(s)	Summary
Path filtering configuration crates/gh-workflow/src/event.rs	Added paths_ignore field to PullRequest, PullRequestTarget, and Push structs; added paths field to PullRequestTarget and Push. All new fields support serde with kebab-case renaming.
Fluent builder methods crates/gh-workflow/src/event.rs	Implemented add_path() and add_ignored_path() methods for PullRequest, PullRequestTarget, and Push to enable programmatic configuration of path filters.
Serde configuration crates/gh-workflow/src/event.rs	Applied #[serde(rename_all = "kebab-case")] derive attribute to PullRequest, PullRequestTarget, and Push for consistent JSON field naming.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

• Verify serde annotations correctly map field names to kebab-case in serialized output
• Confirm fluent builder methods properly consume and return self without mutation issues
• Ensure consistency of method naming and behavior across the three modified structs
• Validate that skip_serializing_if = "Vec::is_empty" correctly omits empty path vectors from serialization

Possibly related PRs

• feat(event): add tags filter to Push struct for event handling #157: Adds additional event-filter fields (tags) to the same Push struct in the same file, creating potential coordination opportunities for future enhancements.

Suggested reviewers

• tusharmath

Poem

Paths we filter, left and right,
Kebab-case fields burning bright,
Fluent builders, hop and build,
With workflows now completely thrilled! 🐰✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The pull request title accurately describes the main change: adding paths_ignore support to push, pull request, and pull request target events.
Docstring Coverage	✅ Passed	Docstring coverage is 88.89% which is sufficient. The required threshold is 80.00%.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 04a1093 and 9b69c8a.

📒 Files selected for processing (1)

• crates/gh-workflow/src/event.rs (8 hunks)

🔇 Additional comments (3)

crates/gh-workflow/src/event.rs (3)

638-677: LGTM! Consistent implementation of path filtering.

The addition of paths and paths_ignore fields with corresponding builder methods brings PullRequestTarget to parity with PullRequest for path-based filtering. The implementation follows the established pattern and maintains consistency across event types.

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683-717: LGTM! Path filtering enhancement is complete.

The addition of paths_ignore field and add_ignored_path builder method completes the path filtering capabilities for push events. The implementation is consistent with PullRequest and PullRequestTarget structs.

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536-571: The implementation correctly aligns with GitHub Actions syntax.

The #[serde(rename_all = "kebab-case")] attribute properly serializes paths_ignore to paths-ignore, matching GitHub Actions' workflow YAML convention. The add_ignored_path builder method correctly mirrors the existing paths/add_path functionality and maintains consistency across the struct implementation.

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