javimosch gh-slimify Plugin
Automatically detect and migrate GitHub Actions to ubuntu-slim for cost-efficient CI.
Commands
Scan
gh-slimify workflow scan— Scan workflows for migration candidates
Fix
gh-slimify workflow fix— Migrate eligible jobs to ubuntu-slim
Usage Examples
- "Scan all workflows for ubuntu-slim migration"
- "Fix workflows automatically"
- "Skip duration check for faster scan"
Installation
gh extension install fchimpan/gh-slimify
Examples
# Scan specific workflow
gh slimify .github/workflows/ci.yml
# Scan all workflows
gh slimify --all
# Fix eligible jobs
gh slimify fix .github/workflows/ci.yml
# Fix all with force (include jobs with warnings)
gh slimify fix --all --force
# Skip duration check
gh slimify --all --skip-duration
# JSON output for CI
gh slimify --json --all
Key Features
- Auto-detects migration eligibility
- Skips Docker/service container jobs
- Checks execution time (max 15 min)
- Safe/warning/ineligible classification
- JSON output for automation
- Blocked-pattern enforcement