Skills
skills/grasmash/drupal-claude-skills/drupal-contrib-mgmt

drupal-contrib-mgmt

Installation
SKILL.md

Drupal Contrib Module Management

Core Update Workflow

Standard Module Update

# Update a single module
composer require drupal/module_name --with-all-dependencies

# Update to specific version
composer require drupal/module_name:^3.0 --with-all-dependencies

# Update multiple modules
composer require drupal/module_a drupal/module_b --with-all-dependencies

# After any update, ALWAYS run database updates
drush updb -y

# Clear cache if needed
drush cr

# CRITICAL: Test by visiting pages to check for fatal errors
# Visit at least one page that uses the updated module

Major Version Upgrades

When upgrading to a new major version (e.g., 2.x → 3.x):

  1. Check compatibility: Ensure module supports your Drupal core version
  2. Search issue queue for patches: https://www.drupal.org/project/issues/MODULE_NAME?categories=All
  3. Use Drupal Lenient for version requirement issues (see below)
  4. Apply patches via composer.json (see Patch Management section)
  5. Run upgrade_status to check for deprecations

Checking Drupal 11 Compatibility

Three methods to check if a module is D11 compatible (in order of preference):

Method 1: Check .info.yml File (Fastest, Most Reliable)

# Check the module's .info.yml file for core_version_requirement
cat docroot/modules/contrib/MODULE_NAME/MODULE_NAME.info.yml | grep core_version_requirement

What to look for:

core_version_requirement: ^9.5 || ^10 || ^11     # ✅ D11 compatible
core_version_requirement: ^8 || ^9 || ^10 || ^11  # ✅ D11 compatible
core_version_requirement: ^9 || ^10                # ❌ Not D11 compatible yet

Example:

$ cat docroot/modules/contrib/admin_toolbar/admin_toolbar.info.yml | grep core_version
core_version_requirement: ^9.5 || ^10 || ^11
# ✅ This module declares D11 support!

Method 2: Use Composer Commands (Works Before Installing)

# Check what versions are available and their constraints
composer show drupal/MODULE_NAME --all | grep -A5 "^versions"

# Check currently installed version
composer show drupal/MODULE_NAME | grep versions

What to look for:

  • Version number (e.g., 3.6.2)
  • Check Drupal.org for release notes mentioning D11

Method 3: Check Drupal.org Project Page

Only use as fallback when above methods aren't conclusive.

https://www.drupal.org/project/MODULE_NAME

Look for:

  • Latest release notes mentioning "Drupal 11"
  • Module page header showing D11 compatibility badge
  • Issue queue for D11 compatibility issues

Important Notes:

  • ⚠️ Module may declare D11 support but still have deprecation warnings
  • ⚠️ upgrade_status warnings don't mean module is incompatible
  • ⚠️ "Check manually" status often means runtime version checks (false positive)
  • ✅ If .info.yml declares ^11 support, module maintainer says it works

Real-World Examples:

# admin_toolbar - Already D11 compatible
$ cat docroot/modules/contrib/admin_toolbar/admin_toolbar.info.yml | grep core_version
core_version_requirement: ^9.5 || ^10 || ^11

# But upgrade_status shows warnings about _drupal_flush_css_js()
# This is a FALSE POSITIVE - module handles it with version checks

# audiofield - Already D11 compatible
$ cat docroot/modules/contrib/audiofield/audiofield.info.yml | grep core_version
core_version_requirement: ^8 || ^9 || ^10 || ^11

# Has deprecation warnings but maintainer declares D11 support

Drupal Lenient Plugin

The mglaman/composer-drupal-lenient plugin allows installing modules that haven't updated their version requirements yet.

Setup

{
  "require": {
    "mglaman/composer-drupal-lenient": "^1.0"
  },
  "config": {
    "allow-plugins": {
      "mglaman/composer-drupal-lenient": true
    }
  },
  "extra": {
    "drupal-lenient": {
      "allowed-list": [
        "drupal/module_name",
        "drupal/another_module"
      ]
    }
  }
}

Usage

# Add module to allowed-list, then install
composer require drupal/module_name --with-all-dependencies

Patch Management (cweagans/composer-patches)

IMPORTANT: Use version 2.x for reliable patch application. Version 1.x uses the patch binary which can have issues on some systems. Version 2.x uses git apply by default.

Patch Configuration

{
  "require": {
    "cweagans/composer-patches": "^2.0"
  },
  "config": {
    "allow-plugins": {
      "cweagans/composer-patches": true
    }
  },
  "extra": {
    "composer-exit-on-patch-failure": true,
    "patches": {
      "drupal/module_name": {
        "Description of patch": "https://www.drupal.org/files/issues/2024-01-15/module-issue-1234567-8.patch",
        "Local patch": "patches/custom-fix.patch"
      }
    },
    "patchLevel": {
      "drupal/core": "-p2"
    }
  }
}

Upgrading from 1.x to 2.x

If you're on version 1.x and experiencing patch failures:

composer require cweagans/composer-patches:^2.0 --with-all-dependencies

Key differences in 2.x:

  • Uses git apply instead of patch binary (more reliable)
  • enable-patching option removed (patching is always enabled)
  • Better error messages and debugging
  • CRITICAL: Hash-based caching - patches may not re-apply if module already installed

Verifying Patches Are Applied

PROBLEM: composer-patches 2.x caches patch hashes in composer.lock. If modules are reinstalled or vendor updates occur without proper patch application, patches can silently go missing.

SOLUTION: Use a verify-patches.sh post-install hook:

# Run manually
./scripts/verify-patches.sh

# Attempt auto-fix for missing patches
./scripts/verify-patches.sh --fix

This script runs automatically after composer install and verifies critical patches are applied by checking for expected code patterns.

Adding New Critical Patches to Verification:

Edit scripts/verify-patches.sh and add to the CRITICAL_PATCHES array:

CRITICAL_PATCHES=(
  # Format: "module_path:file_path:search_pattern:description"
  "docroot/modules/contrib/MODULE:src/File.php:patternToFind:Description"
)

When Patches Go Missing:

  1. Run ./scripts/verify-patches.sh to identify missing patches
  2. Run ./scripts/verify-patches.sh --fix to auto-reinstall affected modules
  3. Or manually: composer reinstall drupal/module_name
  4. If still failing, update composer.lock: composer update --lock

Finding Patches

Issue Queue Search: https://www.drupal.org/project/issues/MODULE_NAME?categories=All

Patch Naming Convention:

  • Format: module-issue-NODEID-COMMENT.patch
  • Example: audiofield-d11-3432063-12.patch
  • Node ID is the issue number (visit drupal.org/node/NODEID)

When Existing Patches Fail After Update:

  1. Extract node ID from patch filename (e.g., 3432063 from above)
  2. Visit https://www.drupal.org/node/3432063
  3. Look for updated patch in latest comments
  4. Update composer.json with new patch URL

Debugging Errors: Find Patches BEFORE Creating

CRITICAL WORKFLOW: When encountering Drupal errors, ALWAYS search for existing patches before creating your own.

Step 1: Extract the Exact Error Signature

From the error message, extract the exact error string:

# Example error:
TypeError: Unsupported operand types: array + null in Drupal\field_ui\Form\EntityViewDisplayEditForm

# Extract this part:
"Unsupported operand types: array + null"

Step 2: Search Drupal.org Issue Queue FIRST

# Method 1: Direct URL search (BEST)
https://www.drupal.org/project/drupal/issues?text=Unsupported+operand+types+array+null

# Method 2: Search with file + line number
https://www.drupal.org/project/drupal/issues?text=EntityViewDisplayEditForm+line+166

What to look for in search results:

  • Issues with status: "Needs review" or "Reviewed & tested by the community" (RTBC)
  • Recent activity (check dates)
  • Patch files in comments (look for .patch attachments)
  • Merge requests (look for !13611 references)

Step 3: Use WebFetch to Get Patch Details

# Once you find the issue, fetch details:
WebFetch(https://www.drupal.org/project/drupal/issues/3552531)

Look for:

  • Patch file URLs: Usually https://www.drupal.org/files/issues/YYYY-MM-DD/filename.patch
  • Merge request numbers: E.g., !13611 → https://git.drupalcode.org/project/drupal/-/merge_requests/13611
  • Issue status: RTBC means ready to use

Step 4: Download and Apply Official Patch

# Download to patches directory
curl -O https://www.drupal.org/files/issues/2025-10-16/field-ui--unsupported-operand-types--3552531-2.patch
mv field-ui--unsupported-operand-types--3552531-2.patch patches/

# Add to composer.json with descriptive name referencing issue
{
  "extra": {
    "patches": {
      "drupal/core": {
        "Fix TypeError: Unsupported operand types array + null in EntityViewDisplayEditForm - Issue #3552531": "patches/field-ui--unsupported-operand-types--3552531-2.patch"
      }
    }
  }
}

# Apply
composer install

Common Search Patterns

Error Type Search Term
TypeError Exact error message in quotes
Deprecated function Function name (e.g., user_roles)
Missing method Class name + method name
Fatal error Exact error text

Why This Matters

  • Saves time: Don't recreate existing solutions
  • Better quality: Community-reviewed patches are more robust
  • Upstream integration: Using official patches means easier upgrades
  • Documentation: Issue threads contain context and discussion

Anti-Pattern Example

❌ What NOT to do:

  1. See error
  2. Read code
  3. Create patch
  4. Apply patch
  5. (Someone points out existing issue)

✅ What TO do:

  1. See error
  2. Extract exact error message
  3. Search drupal.org issue queue
  4. Find existing patch
  5. Apply official patch

Creating Local Patches

IMPORTANT: Always create patches from a separate clone of the contrib module repo, not from the installed version in your project.

# Step 1: Clone the module repo to a separate directory (one-time setup)
cd ~/Sites
git clone git@git.drupal.org:project/module_name.git module_name-contrib

# Step 2: Checkout the exact version you have installed
cd ~/Sites/module_name-contrib
git checkout 1.0.3  # Match your installed version

# Step 3: Make your changes in the contrib repo
# Edit files as needed...

# Step 4: Generate the patch using git diff
git diff > ~/Sites/your-project/patches/module_name-custom-fix.patch

# Step 5: Add to composer.json
{
  "extra": {
    "patches": {
      "drupal/module_name": {
        "Custom fix description": "patches/module_name-custom-fix.patch"
      }
    }
  }
}

# Step 6: Apply via composer
composer reinstall drupal/module_name

Why use a separate repo?

  • Creates clean patches without local modifications bleeding in
  • Matches the exact file structure composer expects
  • Allows proper version tracking with git tags
  • Enables contributing patches upstream to drupal.org

Patch format: Patches should use git diff format (includes a/ and b/ prefixes):

diff --git a/src/File.php b/src/File.php
index abc123..def456 100644
--- a/src/File.php
+++ b/src/File.php

Patch Application

# Install with patches
composer install

# If patches fail, composer will error
# Update or remove failing patches, then retry
composer install

# Re-patch a single module (most common)
composer update drupal/module_name

# Re-patch ALL patched dependencies (use when changing multiple patches)
composer patches-repatch

For detailed patch workflows, see: references/drupal-patches-workflow.md

Drupal 11 Compatibility Workflow

Step 1: Analyze Readiness

# Scan all modules
drush upgrade_status:analyze --all

# Scan specific modules
drush upgrade_status:analyze module1 module2 module3

# Machine-readable output
drush upgrade_status:analyze --all --format=json > d11-report.json
drush upgrade_status:analyze --all --format=codeclimate > d11-report-ci.json

# Scan only custom code
drush upgrade_status:analyze --all --ignore-contrib

# Scan only contrib
drush upgrade_status:analyze --all --ignore-custom

Step 2: Identify Issues

Major Issues (blocking):

  • REQUEST_TIME constant → Use \Drupal::time()->getRequestTime()
  • user_roles() → Use \Drupal\user\Entity\Role::loadMultiple()
  • file_validate_extensions() → Use file.validator service
  • system_retrieve_file() → No replacement (refactor required)
  • _drupal_flush_css_js() → Use AssetQueryStringInterface::reset()

Info.yml Issues:

  • Update core_version_requirement to include ^11
  • Example: core_version_requirement: ^9 || ^10 || ^11

Step 3: Fix Custom Code

Example: Inject Time Service

use Drupal\Core\Datetime\TimeInterface;

class MyController extends ControllerBase {
  protected $time;

  public function __construct(TimeInterface $time) {
    $this->time = $time;
  }

  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('datetime.time')
    );
  }

  public function myMethod() {
    // OLD: $timestamp = REQUEST_TIME;
    $timestamp = $this->time->getRequestTime();
  }
}

Example: Replace user_roles()

// OLD:
$roles = user_roles(TRUE);

// NEW:
use Drupal\user\Entity\Role;

$roles = Role::loadMultiple();
$role_options = [];
foreach ($roles as $role_id => $role) {
  if ($role_id !== 'anonymous') {
    $role_options[$role_id] = $role->label();
  }
}

Step 4: Create .info.yml Patches

# Create patch for contrib module
cd docroot/modules/contrib/module_name
git diff module.info.yml > /path/to/patches/module-d11-info.patch

# Patch content:
--- a/module.info.yml
+++ b/module.info.yml
@@ -2,7 +2,7 @@
 name: Module Name
 type: module
 description: Module description
-core_version_requirement: ^9 || ^10
+core_version_requirement: ^9 || ^10 || ^11

Step 5: Apply Patches & Update Lenient List

{
  "extra": {
    "patches": {
      "drupal/module_name": {
        "Drupal 11 .info.yml support": "patches/module-d11-info.patch"
      }
    },
    "drupal-lenient": {
      "allowed-list": [
        "drupal/module_name"
      ]
    }
  }
}

composer install
drush updb -y
drush cr

Step 6: Verify Fixes

# Re-scan to confirm issues resolved
drush upgrade_status:analyze module_name

# Should show "No known issues found"

Complete Update Checklist

  • Check current module version: composer show drupal/module_name
  • Search issue queue for known issues
  • Check if module is D11 compatible
  • Update composer.json with new version
  • Add to drupal-lenient if needed
  • Search for and apply necessary patches
  • Run composer require drupal/module_name:^X.0 --with-all-dependencies
  • Run drush updb -y
  • Run drush cr
  • Run drush upgrade_status:analyze module_name
  • Test module functionality by visiting relevant pages
  • Check for PHP errors/warnings in logs
  • Commit changes with descriptive message

Troubleshooting

Patch Won't Apply

# Error: "Cannot apply patch..."
# 1. Check if module version changed
composer show drupal/module_name

# 2. Search issue queue for updated patch
# Visit drupal.org/node/NODEID (from patch filename)

# 3. Update composer.json with new patch URL
# 4. Or remove patch if merged upstream

Version Conflict

# Error: "drupal/module_name requires drupal/core ^9"
# Add to drupal-lenient allowed-list

Patch Already Applied

# Error: "patch ... has already been applied"
# Module maintainer merged the patch - remove from composer.json

Database Update Fails

# Error during drush updb
# 1. Check error message carefully
# 2. May need to disable module, update, re-enable
drush pm:uninstall module_name
composer require drupal/module_name --with-all-dependencies
drush pm:enable module_name
drush updb -y

Best Practices

  1. Always use --with-all-dependencies for module updates
  2. Always run drush updb after composer updates
  3. Test immediately after updates (visit pages, check logs)
  4. Keep patches organized in a patches/ directory
  5. Document patches with descriptive names and comments
  6. Check issue queues first before creating custom patches
  7. Use upgrade_status to validate D11 compatibility
  8. Commit atomically: one module update per commit
  9. Use descriptive commit messages with patch references
  10. Keep drupal-lenient list minimal (only when necessary)

Production Deployment

When deploying to production environments, always optimize the Composer install:

# CRITICAL: Always use these flags for production
composer install --no-dev -o

# --no-dev: Excludes development dependencies (phpunit, rector, etc.)
# -o (--optimize-autoloader): Optimizes autoloader for performance

Why This Matters:

  • --no-dev reduces codebase size by excluding testing/dev tools
  • -o creates optimized class maps for faster autoloading
  • Reduces security surface by excluding dev dependencies
  • Improves performance on production servers

Production Deployment Workflow:

# 1. After making composer changes locally
composer update drupal/module_name --with-all-dependencies

# 2. Before committing, optimize for production
composer install --no-dev -o

# 3. Commit the optimized vendor files
git add composer.json composer.lock vendor/
git commit -m "Update module_name with production optimization"

# 4. Push to production
git push origin master

# 5. On production, clear caches
ssh user@remote.server "cd /path/to/drupal && drush cr"

NEVER commit vendor/ with dev dependencies to production branches!

Developing Contrib Modules Locally

When actively developing a contrib module for drupal.org, use this workflow to avoid constantly updating via composer:

Symlink Development Workflow

# 1. Set up module repository in temp location
cd /tmp
git clone git@git.drupal.org:project/module_name.git
cd module_name
# Make your changes...

# 2. Remove composer-installed version and symlink your dev copy
cd /path/to/project
rm -rf docroot/modules/contrib/module_name
ln -s /tmp/module_name docroot/modules/contrib/module_name

# 3. Develop and test
# Make changes in /tmp/module_name
# Test immediately in your Drupal site
drush cr  # Clear cache as needed

# 4. When ready to publish
cd /tmp/module_name
git add -A
git commit -m "Your changes"
git push origin 1.0.x

# 5. Clean up: remove symlink and reinstall from composer
cd /path/to/project
rm docroot/modules/contrib/module_name
composer install  # Reinstalls from drupal.org

Benefits:

  • Test changes immediately without composer update cycles
  • Keep git history in the module's own repo
  • Easy to commit and push changes
  • No risk of accidentally committing module code to main project

Important Notes:

  • Don't forget to remove the symlink before committing project changes
  • Clear Drupal cache after changes: drush cr
  • When done developing, always reinstall via composer to ensure clean state
  • Useful for fixing autoloader issues, adding features, or troubleshooting

Common Patterns

Pattern: Update Module with Known Patch

# 1. Find patch in issue queue
# 2. Add to composer.json patches section
# 3. Update module
composer require drupal/module_name:^3.0 --with-all-dependencies
drush updb -y
drush cr
# 4. Test
# 5. Commit
git add composer.json composer.lock patches/
git commit -m "Update module_name to 3.0 with D11 compatibility patch"

Pattern: Fix Contrib D11 Issue

# 1. Scan for issues
drush upgrade_status:analyze module_name

# 2. Create info.yml patch if needed
cd docroot/modules/contrib/module_name
# Edit module.info.yml to add ^11
git diff module.info.yml > ../../../patches/module-d11-info.patch

# 3. Add patch to composer.json
# 4. Apply
composer install
drush cr

# 5. Verify
drush upgrade_status:analyze module_name

Pattern: Major Version Upgrade with Breaking Changes

# 1. Read CHANGELOG/UPDATE.md for breaking changes
# 2. Check issue queue for upgrade path documentation
# 3. Backup database before upgrade
drush sql:dump > backup-before-update.sql

# 4. Update module
composer require drupal/module_name:^3.0 --with-all-dependencies

# 5. Run updates
drush updb -y

# 6. Check for errors
drush watchdog:show --severity=Error --count=20

# 7. Test thoroughly
# 8. If issues, can rollback:
# git checkout composer.json composer.lock
# composer install
# drush sql:cli < backup-before-update.sql

Contributing Back to drupal.org

When you've developed a fix or feature that should be contributed upstream, use the issue fork workflow.

Step 1: Create Issue on drupal.org

  1. Go to https://www.drupal.org/project/issues/MODULE_NAME
  2. Click "Create a new issue"
  3. Fill in:
    • Title: Descriptive title of the feature/fix
    • Category: Bug report, Feature request, or Task
    • Priority: Normal (unless exceptional)
  4. Note the issue number (e.g., 3569725)

Issue Description Format

Use the standard drupal.org template with HTML formatting:

<h3 id="overview">Overview</h3>

<p>Problem description here.</p>
<ul>
<li>Bullet point one</li>
<li>Bullet point two</li>
</ul>

<h3 id="proposed-resolution">Proposed resolution</h3>

<p><strong>Behavior:</strong></p>
<ul>
<li>Feature behavior one</li>
<li>Feature behavior two</li>
</ul>

<p><strong>Technical implementation:</strong></p>
<ul>
<li><code>SomeClass</code> - description</li>
<li><code>some_function()</code> - description</li>
</ul>

<p><strong>Files changed:</strong></p>
<ul>
<li><code>path/to/file.php</code> - Description of changes</li>
</ul>

<h3 id="ui-changes">User interface changes</h3>

<p>Description of UI changes (or "None" if no UI changes).</p>

<h3 id="steps-to-test">Steps to test</h3>

<ol>
<li>First step</li>
<li>Second step</li>
<li>Expected result</li>
</ol>

Formatting reference: https://www.drupal.org/filter/tips

  • <code>...</code> for inline code
  • <strong>...</strong> for bold
  • <ul><li>...</li></ul> for unordered lists
  • <ol><li>...</li></ol> for ordered lists
  • <h3 id="section-name">...</h3> for section headers
  • <p>...</p> for paragraphs

Step 2: Create Issue Fork on drupal.org

  1. On the issue page, click "Create issue fork"
  2. Copy the Git commands provided

Step 3: Clone Module and Set Up Fork

# Clone the module repo (if not already cloned)
cd ~/Sites
git clone git@git.drupal.org:project/module_name.git module_name-contrib
cd module_name-contrib

# Add the issue fork as a remote (replace XXXXXXX with issue number)
git remote add module_name-XXXXXXX git@git.drupal.org:issue/module_name-XXXXXXX.git
git fetch module_name-XXXXXXX

# Checkout the issue branch
git checkout -b 'XXXXXXX-short-description' --track module_name-XXXXXXX/'XXXXXXX-short-description'

Step 4: Make Changes and Test

# Make your changes
# For PHP modules, ensure code follows Drupal coding standards
# For modules with JS/UI, run linting and build

# Test your changes locally

Step 5: Commit and Push

# Stage changed files
git add path/to/changed/files

# Commit with proper message format
git commit -m "$(cat <<'EOF'
Issue #XXXXXXX: Short description

- Bullet point of change 1
- Bullet point of change 2
- Bullet point of change 3
EOF
)"

# Push to issue fork
git push module_name-XXXXXXX XXXXXXX-short-description

Step 6: Create Merge Request

After pushing, you'll see a URL in the output:

remote: To create a merge request for XXXXXXX-short-description, visit:
remote:   https://git.drupalcode.org/issue/module_name-XXXXXXX/-/merge_requests/new?merge_request%5Bsource_branch%5D=XXXXXXX-short-description
  1. Visit that URL to create the merge request
  2. Return to the issue page on drupal.org
  3. Set issue status to "Needs review"

Commit Message Format

Drupal.org standard format:

Issue #XXXXXXX: Short description (50 chars max)

- Detail about what changed
- Another detail
- Technical implementation note

Two-Repository Workflow

When contributing to a module you also use in your project:

  1. Contrib Repo (~/Sites/module-contrib/) - Clean checkout for developing and contributing
  2. App Repo (~/Sites/your-app/) - Uses composer patches to apply changes

Benefits:

  • Clean separation between contribution work and app usage
  • Patches can be applied/removed easily via Composer
  • App stays functional while iterating on the feature

Workflow:

# 1. Develop in contrib repo
cd ~/Sites/module-contrib
# Make changes...

# 2. Generate patch
git diff > feature-name.patch

# 3. Copy to app and apply via composer
cp feature-name.patch ~/Sites/your-app/patches/
# Add to composer.json patches section
cd ~/Sites/your-app
composer reinstall drupal/module_name

# 4. Test in app, iterate as needed

# 5. When ready, commit and push from contrib repo
cd ~/Sites/module-contrib
git add -A && git commit -m "Issue #XXXXXXX: Description"
git push fork-remote branch-name

Using Remote Patches (After MR Created)

Once a merge request exists, you can use the remote diff URL:

{
  "extra": {
    "patches": {
      "drupal/module_name": {
        "Feature (https://www.drupal.org/project/module_name/issues/XXXXXXX)": "https://git.drupalcode.org/project/module_name/-/merge_requests/XXX.diff"
      }
    }
  }
}

Reference Links

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