feat: Add codemagic brick

.github/workflows/check-codemagic-ci-label.yaml

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+name: Check Codemagic CI Label
+
+on:
+  pull_request:
+    types: [opened, labeled, unlabeled, synchronize]
+    paths:
+      - formigas_codemagic/**
+      - '!formigas_codemagic/**/*.md'
+      - '!formigas_codemagic/docs/**'
+      - .github/workflows/continuous-integration-formigas_codemagic.yaml
+      - .github/workflows/check-codemagic-ci-label.yaml
+
+jobs:
+  check-label:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - name: Check for required label
+        uses: mheap/github-action-required-labels@v5
+        with:
+          mode: minimum
+          count: 1
+          labels: "codemagic-ci: success"

.github/workflows/continuous-integration-formigas_codemagic.yaml

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+name: formigas_codemagic brick CI
+
+on:
+  pull_request:
+    paths:
+      - 'formigas_codemagic/**'
+      - '!formigas_codemagic/**/*.md'
+      - '!formigas_codemagic/docs/**'
+      - '.github/workflows/continuous-integration-formigas_codemagic.yaml'
+      - '.github/workflows/check-codemagic-ci-label.yaml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  create-pr-with-changes:
+    name: Create PR with changes in test repository
+    runs-on: ubuntu-latest
+
+    env:
+      branch_name: "codemagic-ci-changes-${{ github.event.pull_request.number }}"
+
+    steps:
+      - name: Checkout brick repository
+        uses: actions/checkout@v4
+        with:
+          path: formigas-flutter-bricks
+
+      - name: Create GitHub App token
+        uses: actions/create-github-app-token@v1
+        id: app-token
+        with:
+          app-id: ${{ vars.FORMIGAS_VERSION_BUMPER_APP_ID }}
+          private-key: ${{ secrets.FORMIGAS_VERSION_BUMPER_PRIVATE_KEY }}
+          owner: formigas
+          repositories: codemagic-ci-brick-ci
+
+      - name: Checkout codemagic test repository
+        uses: actions/checkout@v4
+        with:
+          repository: formigas/codemagic-ci-brick-ci
+          token: ${{ steps.app-token.outputs.token }}
+          path: codemagic-ci-brick-ci
+
+      - name: Install Dart SDK
+        uses: dart-lang/setup-dart@v1
+        with:
+          sdk: stable
+
+      - name: Install Mason CLI
+        run: dart pub global activate mason_cli
+
+      - name: Initialize Mason
+        run: mason init
+
+      - name: Add formigas_codemagic with Mason
+        run: mason add formigas_codemagic --path ./formigas-flutter-bricks/formigas_codemagic
+
+      - name: Make formigas_codemagic
+        run: mason make formigas_codemagic --on-conflict overwrite
+        working-directory: codemagic-ci-brick-ci
+
+      - name: Create Pull Request
+        id: create-pr
+        uses: peter-evans/create-pull-request@v7
+        with:
+          branch: ${{ env.branch_name }}
+          delete-branch: true
+          commit-message: "Update codemagic CI workflow for codemagic CI brick PR ${{ github.event.pull_request.number }}"
+          title: "Automated PR for Codemagic CI brick changes"
+          body: "This PR is automatically generated by the Codemagic CI brick CI workflow. It will merge the changes made in the CI workflow into the main branch. Once the pipelines succeed, this PR will be automatically merged. See the [Codemagic CI brick PR](${{ github.event.pull_request.html_url }}) for more details."
+          base: main
+          path: codemagic-ci-brick-ci
+          labels: automated-pr
+          draft: false
+          token: ${{ steps.app-token.outputs.token }}
+
+      - name: Set auto-merge for Pull Request
+        if: steps.create-pr.outputs.pull-request-operation == 'created'
+        run: gh pr merge ${{ steps.create-pr.outputs.pull-request-number }} --merge --auto
+        env:
+          GH_TOKEN: ${{ steps.app-token.outputs.token }}
+        working-directory: codemagic-ci-brick-ci

.github/workflows/publish-formigas_codemagic.yaml

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+name: Publish formigas_codemagic on BrickHub
+
+on:
+  push:
+    tags:
+      - "formigas_codemagic-*.*.*"
+
+jobs:
+  publish:
+    uses: VeryGoodOpenSource/very_good_workflows/.github/workflows/mason_publish.yml@v1
+    with:
+      working_directory: ./formigas_codemagic
+    secrets:
+      mason_credentials: ${{ secrets.MASON_CREDENTIALS }}

.github/workflows/release-formigas_codemagic.yaml

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+name: 1 Release formigas_codemagic brick
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Version to release (e.g., 1.0.0)"
+        required: true
+
+jobs:
+  release-brick:
+    uses: ./.github/workflows/release-brick.yaml
+    with:
+      version: ${{ github.event.inputs.version }}
+      brick_name: formigas_codemagic
+    secrets:
+      app_id: ${{ vars.FORMIGAS_VERSION_BUMPER_APP_ID }}
+      app_private_key: ${{ secrets.FORMIGAS_VERSION_BUMPER_PRIVATE_KEY }}

formigas_codemagic/CHANGELOG.md

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+# 0.1.0
+
+- Initial release.

formigas_codemagic/CONTRIBUTING.md

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+# Contributing
+## Continuous Integration
+1. The CI pipeline for this brick creates a pull request updating the `codemagic.yaml` file in the [codemagic-ci-brick-ci](https://github.com/formigas/codemagic-ci-brick-ci/) repository to validate the codemagic workflow.  
+2. Creating the pull request will trigger the workflow in the codemagic-ci-brick-ci repository. 
+3. When successful, the pull request in the codemagic-ci-brick-ci repository will be merged automatically. 
+4. The merge will trigger a workflow that adds the `codemagic-ci: success` label to the brick's pull request.
+5. The label is used to indicate that the pull request has been validated and can be merged.
+
+![codemagic-ci flow diagram](./docs/formigas_codemagic-brick-flow-diagram.svg)

formigas_codemagic/LICENSE

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+MIT License
+
+Copyright (c) 2024 formigas GmbH
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

formigas_codemagic/README.md

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+# formigas Codemagic CI
+
+A brick that provides a [Codemagic][codemagic_link] Continuous Integration workflow for [Flutter][flutter_link] projects as we use it at [formigas][formigas_link].  
+
+See [Details](#details) for more info about the pipeline and Troubleshooting.
+
+[![License: MIT][license_badge]][license_link]
+[![Powered by Mason][mason_badge]][mason_link]
+
+## Usage 🛠️
+
+See [BrickHub][brick_hub_usage_link] for usage instructions.
+
+## Output 📦
+The workflow file
+```
+codemagic.yaml
+```
+## Details
+The Codemagic CI pipeline runs validation, build and tests.  
+The pipeline is run on every pull request and push to the repository.  
+The build stage will create a release build and runs on the `production` flavor.
+
+The test stage will generate a coverage and test results report and upload them to the Codemagic artifacts page.
+
+### Setup and Configuration
+
+#### Setup Codemagic for Android builds
+For Android builds, an upload key is required. Please refer to [Android code signing](https://docs.codemagic.io/flutter-code-signing/android-code-signing/) to create a keystore and make it available to the pipeline.
+
+#### Setup Codemagic for iOS builds
+No additional setup is required for iOS builds.
+
+#### Configuration
+The pipeline is defined in `codemagic.yaml`.
+
+- Flutter version: Defined by the value of `flutter` in the environment section. The default is `stable`.
+- Xcode version: Defined by the value of `xcode` in the environment section. The default is `latest`.
+
+### Troubleshooting
+##### Error when building Android app
+```
+Execution failed for task ':app:signDevelopmentReleaseBundle'.
+> A failure occurred while executing com.android.build.gradle.internal.tasks.FinalizeBundleTask$BundleToolRunnable
+```
+
+This error occurs when the `android_signing` environment variable is not set correctly. Please refer to the [Android code signing](https://docs.codemagic.io/flutter-code-signing/android-code-signing/) documentation to set it up.
+
+
+[license_badge]: https://img.shields.io/badge/license-MIT-blue.svg
+[license_link]: https://opensource.org/licenses/MIT
+[formigas_link]: https://formigas.io
+[mason_link]: https://github.com/felangel/mason
+[mason_cli_link]: https://github.com/felangel/mason/tree/master/packages/mason_cli
+[mason_badge]: https://img.shields.io/endpoint?url=https%3A%2F%2Ftinyurl.com%2Fmason-badge
+[flutter_link]:https://flutter.dev/
+[brick_hub_usage_link]:https://brickhub.dev/bricks/formigas_codemagic#usage
+[codemagic_link]:https://codemagic.io/

formigas_codemagic/__brick__/codemagic.yaml

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+definitions:
+  environment: &environment
+    flutter: stable
+    xcode: latest
+  triggering: &triggering
+    events:
+      - pull_request
+      - push
+    cancel_previous_builds: true
+  cache: &cache
+    cache_paths:
+      - $HOME/.pub-cache
+      - $HOME/.gradle/caches
+      - $HOME/Library/Caches/CocoaPods
+  scripts:
+    - &prepare_flutter_script
+      name: Get Flutter dependencies
+      script: |
+        flutter clean
+        flutter pub get
+
+workflows:
+  validate:
+    name: Validate
+    max_build_duration: 10
+    instance_type: linux_x2
+    environment:
+      <<: *environment
+    triggering:
+      <<: *triggering
+    cache:
+      <<: *cache
+    scripts:
+      - *prepare_flutter_script
+      - name: Format
+        script: dart format -o none --set-exit-if-changed lib/ test/
+      - name: Analyze
+        script: flutter analyze --fatal-infos --fatal-warnings
+
+  build-ios:
+    name: Build iOS
+    max_build_duration: 30
+    instance_type: mac_mini_m2
+    environment:
+      <<: *environment
+    triggering:
+      <<: *triggering
+    cache:
+      <<: *cache
+    scripts:
+      - *prepare_flutter_script
+      - name: Build iOS
+        script: flutter build ios --release --no-codesign --flavor production -t lib/main_production.dart
+
+  build-android:
+    name: Build Android
+    max_build_duration: 30
+    instance_type: linux_x2
+    environment:
+      <<: *environment
+      android_signing:
+        - codemagic_ci_testapp_android_keystore
+    triggering:
+      <<: *triggering
+    cache:
+      <<: *cache
+    scripts:
+      - *prepare_flutter_script
+      - name: Set up key.properties
+        script: |
+          cat >> "$CM_BUILD_DIR/android/key.properties" <<EOF
+          storePassword=$CM_KEYSTORE_PASSWORD
+          keyPassword=$CM_KEY_PASSWORD
+          keyAlias=$CM_KEY_ALIAS
+          storeFile=$CM_KEYSTORE_PATH
+          EOF
+      - name: Build Android
+        script: flutter build appbundle --release --flavor production -t lib/main_production.dart
+
+  test:
+    name: Test and generate coverage
+    max_build_duration: 30
+    instance_type: linux_x2
+    environment:
+      <<: *environment
+    triggering:
+      <<: *triggering
+    cache:
+      <<: *cache
+    scripts:
+      - *prepare_flutter_script
+      - name: Install lcov
+        script: |
+          sudo apt-get update
+          sudo apt-get -y install lcov
+      - name: Run tests
+        script: flutter test --coverage --file-reporter json:test_results.json
+      - name: Generate coverage report
+        script: |
+          lcov --remove coverage/lcov.info '**.g.dart' --remove coverage/lcov.info '**/*.freezed.dart' -o coverage/clean_lcov.info
+          genhtml coverage/clean_lcov.info -o coverage/html
+    artifacts:
+      - test_results.json
+      - coverage/

formigas_codemagic/brick.yaml

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+name: formigas_codemagic
+description: A brick that provides a Codemagic CI pipeline for Flutter projects.
+repository: https://github.com/formigas/formigas-flutter-bricks.git
+version: 0.1.0
+
+environment:
+  mason: ">=0.1.0-dev.60 <0.1.0"