Gzupark Claude Plugin Pack Pr Workflow

PR Workflow

Create GitHub Pull Requests with automated change analysis and code review.

Triggers

• User runs /pr or /pr [base-branch]
• User asks to create a PR or pull request
• User wants to push changes and create a PR
• User requests code review before PR creation

Workflow Overview

Step 1: Pre-checks -> Step 2: Detect Base Branch -> Step 3: Verify Changes
    -> Step 4: Check Existing PR -> Step 5: Gather Context
    -> Step 6: Code Review -> Step 7: Push Confirmation
    -> Step 8: Generate PR -> Step 9: Complete

Step 1: Pre-checks

Stop immediately if any check fails.

1.1 Verify Git Repository

git rev-parse --is-inside-work-tree

Fail: "Not a git repository."

1.2 Check Current Branch

git branch --show-current

Fail (empty): "Cannot determine current branch. You are in detached HEAD state."

1.3 Check Uncommitted Changes

git status --porcelain

Fail (any output): "There are uncommitted changes. Run /commit first."

1.4 Verify gh CLI

gh --version

Fail: "gh CLI is not installed. Install it from https://cli.github.com"

1.5 Verify gh Authentication

gh auth status

Fail: "GitHub authentication required. Run gh auth login first."

Step 2: Detect Base Branch

If no base branch provided:

1. Try: git remote show origin | grep 'HEAD branch' | cut -d: -f2 | tr -d ' '
2. Fallback to main if exists
3. Fallback to master if exists
4. Fail: "Cannot find default branch. Please specify base branch explicitly."

Step 3: Verify Changes Exist

git diff <base-branch>...HEAD --stat

Fail (no output): "No difference from base-branch."

Step 4: Check Existing PR

gh pr list --head $(git branch --show-current) --json url --jq '.[0].url'

If URL returned: "A PR already exists for this branch: [URL]"

Step 5: Gather Context

Collect information for review and PR generation:

# Commit history
git log <base-branch>..HEAD --oneline

# Changed files summary
git diff <base-branch>...HEAD --stat

# Full diff for review
git diff <base-branch>...HEAD

Step 6: Code Review

Analyze changes for code quality issues. See references/code-review-rules.md for detailed rules.

6.1 Change Analysis

git diff <base-branch>...HEAD --numstat

Categorize files and assess impact level (Low/Medium/High).

6.2-6.6 Review Categories

Check each code file for:

1. Readability: Naming, function length, nesting depth
2. Error Handling: Async/Promise, null safety, catch blocks
3. Duplication: Identical code blocks
4. Type Safety (TypeScript): any usage, assertions, missing types
5. Config Files: Secrets, localhost URLs

6.7 Review Output Format

## Code Review Results

**Status**: PASS | FAIL
**Impact**: Low | Medium | High

### Summary
- Errors: N
- Warnings: M
- Auto-fixable: K

### Issues

#### Errors (blocking)
| File | Line | Category | Issue | Auto-fix |
|------|------|----------|-------|----------|

#### Warnings (informational)
| File | Line | Category | Issue |
|------|------|----------|-------|

6.8 Review Decision

• PASS (errors = 0): Continue to Step 7
• FAIL (errors > 0): Show errors, offer auto-fix if available

6.9 Auto-Fix

If user accepts auto-fix:

1. Apply fixes (prettier, eslint, Edit tool)
2. Stage modified files: git add <files>
3. Output summary
4. Stop (user must commit and re-run /pr)

Step 7: Push Confirmation

7.1 Check Remote Status

git status -sb

7.2 Push Scenarios

No upstream: Ask "Current branch has no upstream. Push and create PR?"

Ahead of remote: Ask "N new local commits. Push and create PR?"

Behind remote: "Local branch is behind remote. Run git pull first." Stop.

7.3 Execute Push

git push -u origin $(git branch --show-current)

Step 8: Generate PR

See references/pr-template.md for detailed generation rules.

8.1 Generate Title

1. Detect type from branch name prefix (feat/, fix/, etc.)
2. Fallback to commit message prefix
3. Fallback to file patterns
4. Default: feat

Format: [type]: [description] (max 50 chars)

8.2 Generate Description

Build PR body with sections:

• Summary: 3-5 bullet points from commit messages
• Changes: Table of changed files
• Impact: System/user impact description
• Review Notes: Points for reviewers
• References: Issue links (optional)

8.3 Create PR

gh pr create \
  --title "<title>" \
  --body "<body>" \
  --base <base-branch> \
  [--draft]

Step 9: Complete

Output success message with PR URL and next steps.

See references/error-messages.md for all message templates.

Anti-Patterns

• Skipping pre-checks: Always run all pre-checks before proceeding
• Auto-pushing without consent: Always confirm before pushing
• Blocking on warnings: Only errors should block PR creation
• Ignoring existing PRs: Check for existing PR before creating new one
• Hardcoded branch names: Auto-detect or accept as argument

Extension Points

1. Review rules customization: Modify references/code-review-rules.md to add project-specific rules
2. PR template customization: Edit references/pr-template.md for team-specific formats
3. Additional pre-checks: Add project-specific validation in Step 1
4. Custom auto-fix rules: Extend Step 6.9 with project-specific fixers

Design Rationale

Why inline review instead of separate agents? MVP simplicity. The workflow is straightforward enough that a single pass can handle analysis and review. Agents can be added in Phase 2 if more specialized review is needed.

Why auto-fix with user confirmation? Balance between convenience and safety. Auto-fix handles common issues but requires user to review changes before committing.

Why stop after auto-fix? User should verify changes and commit manually. This ensures awareness of modifications and prevents accidental commits.

Why progressive push confirmation? Different scenarios require different handling. No upstream needs -u flag, ahead needs simple push, behind needs pull first.

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