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rails-upgrade

Analyzes Rails applications and generates comprehensive upgrade reports with breaking changes, deprecations, and step-by-step migration guides for Rails 2.3 through 8.1. Use when upgrading Rails applications, planning multi-hop upgrades, or querying version-specific changes. Base

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Übersicht

Analyzes Rails applications and generates comprehensive upgrade reports with breaking changes, deprecations, and step-by-step migration guides for Rails 2.3 through 8.1. Use when upgrading Rails applications, planning multi-hop upgrades, or querying version-specific changes. Based on FastRuby.io methodology and "The Complete Guide to Upgrade Rails" ebook.

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Rails Upgrade Assistant Skill

Skill Identity

  • Name: Rails Upgrade Assistant
  • Purpose: Intelligent Rails application upgrades from 2.3 through 8.1
  • Skill Type: Modular with external workflows and examples
  • Upgrade Strategy: Sequential only (no version skipping)
  • Methodology: Based on FastRuby.io upgrade best practices and "The Complete Guide to Upgrade Rails" ebook
  • Attribution: Content based on "The Complete Guide to Upgrade Rails" by FastRuby.io (OmbuLabs)

Dependencies

  • dual-boot skill (github.com/ombulabs/claude-code_dual-boot-skill) — Sets up and manages dual-boot environments using the next_rails gem. Covers setup, NextRails.next? code patterns, CI configuration, and post-upgrade cleanup. Must be installed for Step 2 of the upgrade workflow.
  • rails-load-defaults skill (github.com/ombulabs/claude-code_rails-load-defaults-skill) — Handles incremental load_defaults updates with tiered risk assessment (Tier 1: low-risk, Tier 2: needs codebase grep, Tier 3: requires human review). Used as the final step after the Rails version upgrade is complete.

Core Methodology (FastRuby.io Approach)

This skill follows the proven FastRuby.io upgrade methodology:

  1. Incremental Upgrades - Always upgrade one minor/major version at a time
  2. Assessment First - Understand scope before making changes
  3. Dual-Boot Testing - Test both versions during transition using next_rails gem
  4. Test Coverage - Ensure adequate test coverage before upgrading (aim for 80%+)
  5. Gem Compatibility - Check gem compatibility at each step using RailsBump
  6. Deprecation Warnings - Address deprecations before upgrading
  7. Backwards Compatible Changes - Deploy small changes to production before version bump

Key Resources:

  • DELEGATE to the dual-boot skill for dual-boot setup with next_rails (see Dependencies)
  • See references/deprecation-warnings.md for managing deprecations
  • See references/staying-current.md for maintaining upgrades over time

CRITICAL: Dual-Boot Code Pattern with NextRails.next?

When proposing code fixes that must work with both the current and target Rails versions (dual-boot), always use NextRails.next? from the next_rails gem — never use respond_to? or other feature-detection patterns.

DELEGATE to the dual-boot skill for:

  • Setup and initialization (next_rails --init, Gemfile.next)
  • NextRails.next? code patterns and examples
  • CI configuration for dual-boot testing
  • Post-upgrade cleanup (removing dual-boot branches)

DEPENDENCY: Requires the dual-boot skill


Trigger Patterns

Claude should activate this skill when user says:

Upgrade Requests:

  • "Upgrade my Rails app to [version]"
  • "Help me upgrade from Rails [x] to [y]"
  • "What breaking changes are in Rails [version]?"
  • "Plan my upgrade from [x] to [y]"
  • "What Rails version am I using?"
  • "Analyze my Rails app for upgrade"
  • "Find breaking changes in my code"
  • "Check my app for Rails [version] compatibility"

Specific Report Requests:

  • "Show me the app:update changes"
  • "Preview configuration changes for Rails [version]"
  • "Generate the upgrade report"
  • "What will change if I upgrade?"

Upgrade Cleanup Requests (delegate to the upgrade-cleanup plugin):

  • "Finish the upgrade"
  • "Clean up after my Rails upgrade"
  • "Remove the dual-boot setup"
  • "Drop the NextRails branches"
  • "We're done upgrading to Rails [version]"

CRITICAL: Sequential Upgrade Strategy

⚠️ Version Skipping is NOT Allowed

Rails upgrades MUST follow a sequential path. Examples:

For Rails 5.x to 8.x:

5.0.x → 5.1.x → 5.2.x → 6.0.x → 6.1.x → 7.0.x → 7.1.x → 7.2.x → 8.0.x → 8.1.x

You CANNOT skip versions. Examples:

  • ❌ 5.2 → 6.1 (skips 6.0)
  • ❌ 6.0 → 7.0 (skips 6.1)
  • ❌ 7.0 → 8.0 (skips 7.1 and 7.2)
  • ✅ 5.2 → 6.0 (correct)
  • ✅ 7.0 → 7.1 (correct)
  • ✅ 7.2 → 8.0 (correct)

If user requests a multi-hop upgrade (e.g., 5.2 → 8.1):

  1. Explain the sequential requirement
  2. Break it into individual hops
  3. Generate separate reports for each hop
  4. Recommend completing each hop fully before moving to next

Supported Upgrade Paths

Legacy Rails (2.3 - 4.2)
FromToDifficultyKey ChangesRuby Required
2.3.x3.0.xVery HardXSS protection, routes syntax1.8.7 - 1.9.3
3.0.x3.1.xMediumAsset pipeline, jQuery1.8.7 - 1.9.3
3.1.x3.2.xEasyRuby 1.9.3 support1.8.7 - 2.0
3.2.x4.0.xHardStrong Parameters, Turbolinks1.9.3+
4.0.x4.1.xMediumSpring, secrets.yml1.9.3+
4.1.x4.2.xMediumActiveJob, Web Console1.9.3+
4.2.x5.0.xHardActionCable, API mode, ApplicationRecord2.2.2+
Modern Rails (5.0 - 8.1)
FromToDifficultyKey ChangesRuby Required
5.0.x5.1.xEasyEncrypted secrets, yarn default2.2.2+
5.1.x5.2.xMediumActive Storage, credentials2.2.2+
5.2.x6.0.xHardZeitwerk, Action Mailbox/Text2.5.0+
6.0.x6.1.xMediumHorizontal sharding, strict loading2.5.0+
6.1.x7.0.xHardHotwire/Turbo, Import Maps2.7.0+
7.0.x7.1.xMediumComposite keys, async queries2.7.0+
7.1.x7.2.xMediumTransaction-aware jobs, DevContainers3.1.0+
7.2.x8.0.xVery HardPropshaft, Solid gems, Kamal3.2.0+
8.0.x8.1.xEasyBundler-audit, max_connections3.2.0+

Available Resources

Core Documentation
  • SKILL.md - This file (entry point)
Version-Specific Guides (Load as needed)

Legacy Rails:

  • version-guides/upgrade-3.2-to-4.0.md - Rails 3.2 → 4.0 (Strong Parameters)
  • version-guides/upgrade-4.0-to-4.1.md - Rails 4.0 → 4.1 (Spring, secrets.yml, enums)
  • version-guides/upgrade-4.1-to-4.2.md - Rails 4.1 → 4.2 (ActiveJob, Web Console)
  • version-guides/upgrade-4.2-to-5.0.md - Rails 4.2 → 5.0 (ApplicationRecord)

Modern Rails:

  • version-guides/upgrade-5.0-to-5.1.md - Rails 5.0 → 5.1 (Encrypted secrets)
  • version-guides/upgrade-5.1-to-5.2.md - Rails 5.1 → 5.2 (Active Storage, Credentials)
  • version-guides/upgrade-5.2-to-6.0.md - Rails 5.2 → 6.0 (Zeitwerk)
  • version-guides/upgrade-6.0-to-6.1.md - Rails 6.0 → 6.1 (Horizontal sharding)
  • version-guides/upgrade-6.1-to-7.0.md - Rails 6.1 → 7.0 (Hotwire/Turbo)
  • version-guides/upgrade-7.0-to-7.1.md - Rails 7.0 → 7.1 (Composite keys)
  • version-guides/upgrade-7.1-to-7.2.md - Rails 7.1 → 7.2 (Transaction jobs)
  • version-guides/upgrade-7.2-to-8.0.md - Rails 7.2 → 8.0 (Propshaft)
  • version-guides/upgrade-8.0-to-8.1.md - Rails 8.0 → 8.1 (bundler-audit)
Workflow Guides (Load when generating deliverables)
  • workflows/test-suite-verification-workflow.md - MANDATORY FIRST STEP - How to run and verify test suite
  • workflows/no-test-suite-smoke-workflow.md - Load from Step 1 when no runnable RSpec/Minitest suite exists - Rails boot, routes, migration-status, and build smoke baseline with partial-confidence reporting
  • workflows/direct-detection-workflow.md - How to run breaking change detection directly
  • workflows/upgrade-report-workflow.md - How to generate upgrade reports
  • workflows/gem-compatibility-workflow.md - Load in Step 4.5 - Per-lockfile gem compatibility check against the target Rails version. Documents both the primary (next_rails bundle_report compatibility) and the secondary (railsbump.org API) and the rules for when to escalate.
  • workflows/boot-smoke-test-workflow.md - Load in Step 4.6 - Run a Rails-loading command against Gemfile.next to catch gem-level runtime incompat that the resolver can't see (gems calling removed Rails internals or require-ing removed files).
  • workflows/ci-sync-workflow.md - MANDATORY before opening the upgrade PR - How to verify CI config matches the upgraded Gemfile
  • workflows/app-update-preview-workflow.md - How to generate app:update previews
  • upgrade-cleanup companion plugin - User-triggered. Removes dual-boot scaffolding and drops NextRails.next? / NextRails.current? branches. Deprecation triage stays with this skill for the next hop.
Examples (Load when user needs clarification)
  • examples/simple-upgrade.md - Single-hop upgrade example
  • examples/multi-hop-upgrade.md - Multi-hop upgrade example
External Dependencies
Reference Materials
  • references/deprecation-warnings.md - Finding and fixing deprecations
  • references/staying-current.md - Keeping up with Rails releases
  • references/breaking-changes-by-version.md - Quick lookup
  • references/multi-hop-strategy.md - Multi-version planning
  • references/testing-checklist.md - Comprehensive testing
  • references/gem-compatibility.md - Gem update order and the "no compatible version" playbook (fork / vendor / replace). Load only when Step 4.5's compatibility check produced blockers.
  • references/js-compressor-sprockets-mismatch.md - Keeping terser / closure-compiler working when the target Rails pins Sprockets to the 2.x line. Load only when JS_COMPRESSOR_GEM_MISMATCH fires.
Detection Pattern Resources
  • detection-scripts/patterns/rails-*.yml - Version-specific patterns for direct detection
Report Templates
  • templates/upgrade-report-template.md - Main upgrade report structure
  • templates/app-update-preview-template.md - Configuration preview

High-Level Workflow

When user requests an upgrade, follow this workflow:

Step 0: Verify Latest Patch Version (MANDATORY PRE-STEP)
⚠️  THIS STEP IS REQUIRED BEFORE ANY OTHER WORK

1. Read Gemfile.lock to find exact current Rails version (e.g., 3.2.19)
2. Compare against latest patch for that series:
   - EOL series (≤ 7.1): use static table in references/multi-hop-strategy.md
   - Active series (≥ 7.2): query RubyGems API (see references/multi-hop-strategy.md for commands)
3. If current version < latest patch:
   - INFORM user: "Your app is on Rails X.Y.Z but the latest patch is X.Y.W"
   - Guide through Gemfile update and bundle update rails
   - Run test suite after patch upgrade
   - Deploy patch upgrade before proceeding
   - Do NOT proceed to next minor/major until on latest patch
4. If current version == latest patch:
   - Proceed to Step 1

Why patch first: Patch releases contain security fixes, bug fixes, and additional deprecation warnings. Starting the version hop on the latest patch is safer (the security fixes are already in production) and easier to debug (the new deprecation warnings surface issues that would otherwise show up mid-upgrade).

Step 1: Run Test Suite (MANDATORY FIRST STEP)
⚠️  THIS STEP IS REQUIRED BEFORE ANY OTHER WORK

1. Read: workflows/test-suite-verification-workflow.md
2. Detect test framework (RSpec, Minitest, or both)
3. Run test suite with: bundle exec rspec OR bundle exec rails test
4. Capture results: total tests, passing, failing, pending
5. If no runnable test suite exists:
   - Load: work
Dateimetadaten
name: rails-upgrade
description: Analyzes Rails applications and generates comprehensive upgrade reports with breaking changes, deprecations, and step-by-step migration guides for Rails 2.3 through 8.1. Use when upgrading Rails applications, planning multi-hop upgrades, or querying version-specific changes. Based on FastRuby.io methodology and "The Complete Guide to Upgrade Rails" ebook.
Originaltext anzeigen
---
name: rails-upgrade
description: Analyzes Rails applications and generates comprehensive upgrade reports with breaking changes, deprecations, and step-by-step migration guides for Rails 2.3 through 8.1. Use when upgrading Rails applications, planning multi-hop upgrades, or querying version-specific changes. Based on FastRuby.io methodology and "The Complete Guide to Upgrade Rails" ebook.
---

# Rails Upgrade Assistant Skill

## Skill Identity
- **Name:** Rails Upgrade Assistant
- **Purpose:** Intelligent Rails application upgrades from 2.3 through 8.1
- **Skill Type:** Modular with external workflows and examples
- **Upgrade Strategy:** Sequential only (no version skipping)
- **Methodology:** Based on FastRuby.io upgrade best practices and "The Complete Guide to Upgrade Rails" ebook
- **Attribution:** Content based on "The Complete Guide to Upgrade Rails" by FastRuby.io (OmbuLabs)

---

## Dependencies

- **dual-boot skill** ([github.com/ombulabs/claude-code_dual-boot-skill](https://github.com/ombulabs/claude-code_dual-boot-skill)) — Sets up and manages dual-boot environments using the `next_rails` gem. Covers setup, `NextRails.next?` code patterns, CI configuration, and post-upgrade cleanup. Must be installed for Step 2 of the upgrade workflow.
- **rails-load-defaults skill** ([github.com/ombulabs/claude-code_rails-load-defaults-skill](https://github.com/ombulabs/claude-code_rails-load-defaults-skill)) — Handles incremental `load_defaults` updates with tiered risk assessment (Tier 1: low-risk, Tier 2: needs codebase grep, Tier 3: requires human review). Used as the final step after the Rails version upgrade is complete.

---

## Core Methodology (FastRuby.io Approach)

This skill follows the proven FastRuby.io upgrade methodology:

1. **Incremental Upgrades** - Always upgrade one minor/major version at a time
2. **Assessment First** - Understand scope before making changes
3. **Dual-Boot Testing** - Test both versions during transition using `next_rails` gem
4. **Test Coverage** - Ensure adequate test coverage before upgrading (aim for 80%+)
5. **Gem Compatibility** - Check gem compatibility at each step using RailsBump
6. **Deprecation Warnings** - Address deprecations before upgrading
7. **Backwards Compatible Changes** - Deploy small changes to production before version bump

**Key Resources:**
- **DELEGATE** to the `dual-boot` skill for dual-boot setup with `next_rails` (see Dependencies)
- See `references/deprecation-warnings.md` for managing deprecations
- See `references/staying-current.md` for maintaining upgrades over time

---

## CRITICAL: Dual-Boot Code Pattern with `NextRails.next?`

When proposing code fixes that must work with both the current and target Rails versions (dual-boot), **always use `NextRails.next?` from the `next_rails` gem** — never use `respond_to?` or other feature-detection patterns.

**DELEGATE** to the `dual-boot` skill for:
- Setup and initialization (`next_rails --init`, `Gemfile.next`)
- `NextRails.next?` code patterns and examples
- CI configuration for dual-boot testing
- Post-upgrade cleanup (removing dual-boot branches)

**DEPENDENCY:** Requires the [dual-boot skill](https://github.com/ombulabs/claude-code_dual-boot-skill)

---

## Trigger Patterns

Claude should activate this skill when user says:

**Upgrade Requests:**
- "Upgrade my Rails app to [version]"
- "Help me upgrade from Rails [x] to [y]"
- "What breaking changes are in Rails [version]?"
- "Plan my upgrade from [x] to [y]"
- "What Rails version am I using?"
- "Analyze my Rails app for upgrade"
- "Find breaking changes in my code"
- "Check my app for Rails [version] compatibility"

**Specific Report Requests:**
- "Show me the app:update changes"
- "Preview configuration changes for Rails [version]"
- "Generate the upgrade report"
- "What will change if I upgrade?"

**Upgrade Cleanup Requests (delegate to the `upgrade-cleanup` plugin):**
- "Finish the upgrade"
- "Clean up after my Rails upgrade"
- "Remove the dual-boot setup"
- "Drop the NextRails branches"
- "We're done upgrading to Rails [version]"

---

## CRITICAL: Sequential Upgrade Strategy

### ⚠️ Version Skipping is NOT Allowed

Rails upgrades MUST follow a sequential path. Examples:

**For Rails 5.x to 8.x:**
```
5.0.x → 5.1.x → 5.2.x → 6.0.x → 6.1.x → 7.0.x → 7.1.x → 7.2.x → 8.0.x → 8.1.x
```

**You CANNOT skip versions.** Examples:
- ❌ 5.2 → 6.1 (skips 6.0)
- ❌ 6.0 → 7.0 (skips 6.1)
- ❌ 7.0 → 8.0 (skips 7.1 and 7.2)
- ✅ 5.2 → 6.0 (correct)
- ✅ 7.0 → 7.1 (correct)
- ✅ 7.2 → 8.0 (correct)

If user requests a multi-hop upgrade (e.g., 5.2 → 8.1):
1. Explain the sequential requirement
2. Break it into individual hops
3. Generate separate reports for each hop
4. Recommend completing each hop fully before moving to next

---

## Supported Upgrade Paths

### Legacy Rails (2.3 - 4.2)

| From | To | Difficulty | Key Changes | Ruby Required |
|------|-----|-----------|-------------|---------------|
| 2.3.x | 3.0.x | Very Hard | XSS protection, routes syntax | 1.8.7 - 1.9.3 |
| 3.0.x | 3.1.x | Medium | Asset pipeline, jQuery | 1.8.7 - 1.9.3 |
| 3.1.x | 3.2.x | Easy | Ruby 1.9.3 support | 1.8.7 - 2.0 |
| 3.2.x | 4.0.x | Hard | Strong Parameters, Turbolinks | 1.9.3+ |
| 4.0.x | 4.1.x | Medium | Spring, secrets.yml | 1.9.3+ |
| 4.1.x | 4.2.x | Medium | ActiveJob, Web Console | 1.9.3+ |
| 4.2.x | 5.0.x | Hard | ActionCable, API mode, ApplicationRecord | 2.2.2+ |

### Modern Rails (5.0 - 8.1)

| From | To | Difficulty | Key Changes | Ruby Required |
|------|-----|-----------|-------------|---------------|
| 5.0.x | 5.1.x | Easy | Encrypted secrets, yarn default | 2.2.2+ |
| 5.1.x | 5.2.x | Medium | Active Storage, credentials | 2.2.2+ |
| 5.2.x | 6.0.x | Hard | Zeitwerk, Action Mailbox/Text | 2.5.0+ |
| 6.0.x | 6.1.x | Medium | Horizontal sharding, strict loading | 2.5.0+ |
| 6.1.x | 7.0.x | Hard | Hotwire/Turbo, Import Maps | 2.7.0+ |
| 7.0.x | 7.1.x | Medium | Composite keys, async queries | 2.7.0+ |
| 7.1.x | 7.2.x | Medium | Transaction-aware jobs, DevContainers | 3.1.0+ |
| 7.2.x | 8.0.x | Very Hard | Propshaft, Solid gems, Kamal | 3.2.0+ |
| 8.0.x | 8.1.x | Easy | Bundler-audit, max_connections | 3.2.0+ |

---

## Available Resources

### Core Documentation
- `SKILL.md` - This file (entry point)

### Version-Specific Guides (Load as needed)

**Legacy Rails:**
- `version-guides/upgrade-3.2-to-4.0.md` - Rails 3.2 → 4.0 (Strong Parameters)
- `version-guides/upgrade-4.0-to-4.1.md` - Rails 4.0 → 4.1 (Spring, secrets.yml, enums)
- `version-guides/upgrade-4.1-to-4.2.md` - Rails 4.1 → 4.2 (ActiveJob, Web Console)
- `version-guides/upgrade-4.2-to-5.0.md` - Rails 4.2 → 5.0 (ApplicationRecord)

**Modern Rails:**
- `version-guides/upgrade-5.0-to-5.1.md` - Rails 5.0 → 5.1 (Encrypted secrets)
- `version-guides/upgrade-5.1-to-5.2.md` - Rails 5.1 → 5.2 (Active Storage, Credentials)
- `version-guides/upgrade-5.2-to-6.0.md` - Rails 5.2 → 6.0 (Zeitwerk)
- `version-guides/upgrade-6.0-to-6.1.md` - Rails 6.0 → 6.1 (Horizontal sharding)
- `version-guides/upgrade-6.1-to-7.0.md` - Rails 6.1 → 7.0 (Hotwire/Turbo)
- `version-guides/upgrade-7.0-to-7.1.md` - Rails 7.0 → 7.1 (Composite keys)
- `version-guides/upgrade-7.1-to-7.2.md` - Rails 7.1 → 7.2 (Transaction jobs)
- `version-guides/upgrade-7.2-to-8.0.md` - Rails 7.2 → 8.0 (Propshaft)
- `version-guides/upgrade-8.0-to-8.1.md` - Rails 8.0 → 8.1 (bundler-audit)

### Workflow Guides (Load when generating deliverables)
- `workflows/test-suite-verification-workflow.md` - **MANDATORY FIRST STEP** - How to run and verify test suite
- `workflows/no-test-suite-smoke-workflow.md` - **Load from Step 1 when no runnable RSpec/Minitest suite exists** - Rails boot, routes, migration-status, and build smoke baseline with partial-confidence reporting
- `workflows/direct-detection-workflow.md` - How to run breaking change detection directly
- `workflows/upgrade-report-workflow.md` - How to generate upgrade reports
- `workflows/gem-compatibility-workflow.md` - **Load in Step 4.5** - Per-lockfile gem compatibility check against the target Rails version. Documents both the primary (`next_rails` `bundle_report compatibility`) and the secondary (railsbump.org API) and the rules for when to escalate.
- `workflows/boot-smoke-test-workflow.md` - **Load in Step 4.6** - Run a Rails-loading command against `Gemfile.next` to catch gem-level runtime incompat that the resolver can't see (gems calling removed Rails internals or `require`-ing removed files).
- `workflows/ci-sync-workflow.md` - **MANDATORY before opening the upgrade PR** - How to verify CI config matches the upgraded Gemfile
- `workflows/app-update-preview-workflow.md` - How to generate app:update previews
- **`upgrade-cleanup` companion plugin** - User-triggered. Removes dual-boot scaffolding and drops `NextRails.next?` / `NextRails.current?` branches. Deprecation triage stays with this skill for the next hop.

### Examples (Load when user needs clarification)
- `examples/simple-upgrade.md` - Single-hop upgrade example
- `examples/multi-hop-upgrade.md` - Multi-hop upgrade example

### External Dependencies
- **dual-boot skill** - Dual-boot setup and management with next_rails (Step 2) (https://github.com/ombulabs/claude-code_dual-boot-skill)
- **rails-load-defaults skill** - Incremental load_defaults alignment (Step 7, final step) (https://github.com/ombulabs/claude-code_rails-load-defaults-skill)

### Reference Materials
- `references/deprecation-warnings.md` - Finding and fixing deprecations
- `references/staying-current.md` - Keeping up with Rails releases
- `references/breaking-changes-by-version.md` - Quick lookup
- `references/multi-hop-strategy.md` - Multi-version planning
- `references/testing-checklist.md` - Comprehensive testing
- `references/gem-compatibility.md` - Gem update order and the "no compatible version" playbook (fork / vendor / replace). Load only when Step 4.5's compatibility check produced blockers.
- `references/js-compressor-sprockets-mismatch.md` - Keeping terser / closure-compiler working when the target Rails pins Sprockets to the 2.x line. Load only when JS_COMPRESSOR_GEM_MISMATCH fires.

### Detection Pattern Resources
- `detection-scripts/patterns/rails-*.yml` - Version-specific patterns for direct detection

### Report Templates
- `templates/upgrade-report-template.md` - Main upgrade report structure
- `templates/app-update-preview-template.md` - Configuration preview

---

## High-Level Workflow

When user requests an upgrade, follow this workflow:

### Step 0: Verify Latest Patch Version (MANDATORY PRE-STEP)
```
⚠️  THIS STEP IS REQUIRED BEFORE ANY OTHER WORK

1. Read Gemfile.lock to find exact current Rails version (e.g., 3.2.19)
2. Compare against latest patch for that series:
   - EOL series (≤ 7.1): use static table in references/multi-hop-strategy.md
   - Active series (≥ 7.2): query RubyGems API (see references/multi-hop-strategy.md for commands)
3. If current version < latest patch:
   - INFORM user: "Your app is on Rails X.Y.Z but the latest patch is X.Y.W"
   - Guide through Gemfile update and bundle update rails
   - Run test suite after patch upgrade
   - Deploy patch upgrade before proceeding
   - Do NOT proceed to next minor/major until on latest patch
4. If current version == latest patch:
   - Proceed to Step 1
```

**Why patch first:** Patch releases contain security fixes, bug fixes, and additional deprecation warnings. Starting the version hop on the latest patch is safer (the security fixes are already in production) and easier to debug (the new deprecation warnings surface issues that would otherwise show up mid-upgrade).

### Step 1: Run Test Suite (MANDATORY FIRST STEP)
```
⚠️  THIS STEP IS REQUIRED BEFORE ANY OTHER WORK

1. Read: workflows/test-suite-verification-workflow.md
2. Detect test framework (RSpec, Minitest, or both)
3. Run test suite with: bundle exec rspec OR bundle exec rails test
4. Capture results: total tests, passing, failing, pending
5. If no runnable test suite exists:
   - Load: work

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  • Dependency or permission surface needs review
  • Permission surface may require sandboxing
  • The SKILL.md excerpt is truncated, but the visible content is comprehensive and well-organized.
  • The skill references an 'upgrade-cleanup' plugin in trigger patterns but does not list it in the Dependencies section, which could cause confusion about required setup.
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  • Quality score needs review
  • Permission surface needs review: secrets or environment access, shell or command execution
  • Stars/forks activity: 381 stars, 15 forks; issue activity unavailable in current metadata
  • Dependency/runtime risk: command execution surface, credential or environment access
  • Permission surface: secrets or environment access, shell or command execution
Vollständiges Audit öffnen

Tools sind Metadatenhinweise, keine getestete Kompatibilität. Prompts sind Vorschläge.

Mit einer kleinen Aufgabe beginnen

  1. 1Quelle lesen und Eingaben, Ergebnisse, Abhängigkeiten sowie Berechtigungen prüfen.
  2. 2Agent um einen Plan bitten. Einrichtung und Kosten vor einem isolierten Test genehmigen.
  3. 3Ergebnisse und geänderte Dateien prüfen. Nur tatsächliche Ausführungen melden und die Quellrevision aufbewahren.

Prüfe Abhängigkeiten, API-Schlüssel und externe Kosten in der Quelle. Öffentliche Repositories bedeuten nicht, dass alle Dienste kostenlos sind.

Quelle und Nutzungshinweise

Erfasst

Metadaten und Prüfungen dienen der Orientierung. Beliebtheit, Quellenerfassung und erfolgreiche Ausführung sind verschiedene Fakten.

Quell-Repository
ombulabs/claude-code_rails-upgrade-skill
Lizenz
MIT
Version
1.0.0
Letzter GitHub-Push
27. Aug. 2026
Verzeichnis aktualisiert
29. Sept. 2026

Version aus den Verzeichnismetadaten; Releases der Quelle prüfen.

Qualität

70/100

Stark

Vertrauen

53/100

Do not auto-install

Audit

72/100

Prüfung nötig

  • Dependency or permission surface needs review
  • Permission surface may require sandboxing
  • The SKILL.md excerpt is truncated, but the visible content is comprehensive and well-organized.
  • The skill references an 'upgrade-cleanup' plugin in trigger patterns but does not list it in the Dependencies section, which could cause confusion about required setup.
  • The skill depends on two external skills (dual-boot and rails-load-defaults) that must be installed separately; this is clearly stated but could be a barrier if users are unaware.
  • Quality score needs review
  • Permission surface needs review: secrets or environment access, shell or command execution
  • Stars/forks activity: 381 stars, 15 forks; issue activity unavailable in current metadata
  • Dependency/runtime risk: command execution surface, credential or environment access
  • Permission surface: secrets or environment access, shell or command execution
Verified installs
—
Ergebnisse
—

Kopieren ist keine Installation. Zahlen benötigen eine Erfolgsmeldung und garantieren keine allgemeine Qualität.

Agent-Zugang

Die Registry API stellt Entscheidungs-, Vertrauens-, Audit-, Use-Case- und Installationssignale ohne UI-Scraping bereit.

Weitere Details
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Für Ersteller

Quelle des Eintrags

Registry-indexiert

Beanspruchbar

Dieser Eintrag wurde aus öffentlichen Quellen indexiert und ist erst nach Genehmigung eines Maintainer-Anspruchs offiziell.

Ersteller
ombulabs
Indexiert von
OpenAgentSkill Community-Index

Die Zuordnung verlinkt auf das öffentliche Repository oder Creator-Profil. Creator können den Eintrag beanspruchen, um Eigentümersignale zu aktualisieren.

Diesen Skill beanspruchen

Eigentümeranspruch

Diesen Skill-Eintrag beanspruchen

Dieser Registry-indexiert-Eintrag wird ombulabs zugeschrieben, ist aber noch nicht offiziell markiert. Beanspruche ihn, um ein verifiziertes Eigentümersignal hinzuzufügen und künftige Launch-, Installations- und Audit-Updates vertrauenswürdiger zu machen.

Share-Kit

Creator-Backlink-Kit

Evidenz-Badges in deine README einfügen

Zeige den kanonischen Eintrag, aktuelle Vertrauens- und Audit-Signale sowie echte Agent-Proven-Evidenz dort, wo Entwickler das Repository bewerten.

[![Listed on OpenAgentSkill](https://www.openagentskill.com/api/badge/ombulabs-rails-upgrade?metric=listed&label=Listed)](https://www.openagentskill.com/skills/ombulabs-rails-upgrade?ref=github&utm_source=github&utm_medium=referral&utm_campaign=creator_badge)
[![OpenAgentSkill Trust](https://www.openagentskill.com/api/badge/ombulabs-rails-upgrade?metric=trust&label=Trust)](https://www.openagentskill.com/skills/ombulabs-rails-upgrade?ref=github&utm_source=github&utm_medium=referral&utm_campaign=creator_badge)
[![OpenAgentSkill Audit](https://www.openagentskill.com/api/badge/ombulabs-rails-upgrade?metric=audit&label=Audit)](https://www.openagentskill.com/skills/ombulabs-rails-upgrade/audit)
[![Agent Proven](https://www.openagentskill.com/api/badge/ombulabs-rails-upgrade?metric=proven&label=Agent%20Proven)](https://www.openagentskill.com/skills/ombulabs-rails-upgrade?ref=github&utm_source=github&utm_medium=referral&utm_campaign=creator_badge)

Community-Signal

Teile mit, ob dieser Skill für deinen Agent-Workflow nützlich ist. Zusammengefasstes Feedback verbessert das Ranking im Laufe der Zeit.