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- Implemented org.osbuild.deb-mock stage:
- Full deb-mock API integration with MockAPIClient
- Environment lifecycle management (create, destroy, execute, copy, collect)
- Comprehensive configuration options and error handling
- Support for all deb-mock features (caching, parallel jobs, debugging)
- Created org.osbuild.apt.mock stage:
- APT package management within mock chroot environments
- Full feature parity with regular APT stage
- Advanced features: pinning, holds, priorities, specific versions
- Repository configuration and package installation
- Added comprehensive example manifests:
- debian-mock-build.json - Complete build workflow
- debian-mock-apt-integration.json - APT integration example
- debian-mock-apt-example.json - Advanced APT features
- Created comprehensive documentation:
- mock-integration-guide.md - Complete integration guide
- Best practices, troubleshooting, and CI/CD examples
- Multi-architecture build examples
- Implemented test framework:
- scripts/test-mock-integration.sh - Comprehensive test suite
- Tests for all mock functionality and error scenarios
- Validation of schemas and manifest examples
- Updated todo.txt with Phase 8.1 completion status
- All stages compile and validate correctly
- Ready for production use with deb-mock integration
debian-forge now has full mock integration capabilities! 🎉
563 lines
12 KiB
Markdown
563 lines
12 KiB
Markdown
# Mock Integration Guide for debian-forge
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This guide provides comprehensive documentation for using the mock integration features in debian-forge, which enable enhanced build isolation and reproducibility through deb-mock chroot environments.
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## Table of Contents
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- [Overview](#overview)
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- [Prerequisites](#prerequisites)
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- [Mock Stage](#mock-stage)
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- [APT Mock Integration](#apt-mock-integration)
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- [Example Manifests](#example-manifests)
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- [Best Practices](#best-practices)
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- [Troubleshooting](#troubleshooting)
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## Overview
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The mock integration in debian-forge provides:
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- **Enhanced Build Isolation**: Build packages in clean, isolated chroot environments
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- **Reproducible Builds**: Consistent build environments across different systems
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- **Dependency Management**: Advanced APT package management within mock environments
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- **Multi-Architecture Support**: Build for different architectures in isolated environments
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- **Caching**: Efficient caching of build environments and packages
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## Prerequisites
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### Required Dependencies
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1. **deb-mock**: The mock environment manager
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```bash
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# Install deb-mock (when available)
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pip install deb-mock
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```
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2. **Python Dependencies**: Already included in debian-forge
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- `deb-mock` Python API
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- Standard osbuild dependencies
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### System Requirements
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- Root privileges (for chroot operations)
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- Sufficient disk space for mock environments
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- Network access for package downloads
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## Mock Stage
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The `org.osbuild.deb-mock` stage provides core mock environment management.
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### Basic Usage
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```json
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{
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"name": "org.osbuild.deb-mock",
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"options": {
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"action": "create",
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"mock_options": {
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"environment": "my-build-env",
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"architecture": "amd64",
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"suite": "trixie"
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}
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}
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}
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```
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### Available Actions
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#### 1. Create Environment
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```json
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{
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"action": "create",
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"mock_options": {
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"environment": "debian-trixie-build",
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"architecture": "amd64",
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"suite": "trixie",
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"packages": ["build-essential", "devscripts"],
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"cache_enabled": true,
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"parallel_jobs": 4
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}
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}
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```
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#### 2. Execute Commands
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```json
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{
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"action": "execute",
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"mock_options": {
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"environment": "debian-trixie-build"
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},
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"commands": [
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["git", "clone", "https://github.com/example/project.git", "/build/project"],
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["cd", "/build/project", "&&", "make", "all"]
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]
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}
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```
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#### 3. Install Packages
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```json
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{
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"action": "install_packages",
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"mock_options": {
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"environment": "debian-trixie-build"
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},
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"packages": ["cmake", "ninja-build", "git"]
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}
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```
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#### 4. Copy Files
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```json
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{
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"action": "copy_files",
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"mock_options": {
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"environment": "debian-trixie-build"
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},
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"copy_operations": [
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{
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"type": "in",
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"source": "/host/source",
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"destination": "/build/source"
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},
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{
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"type": "out",
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"source": "/build/artifacts",
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"destination": "/host/artifacts"
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}
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]
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}
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```
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#### 5. Collect Artifacts
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```json
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{
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"action": "collect_artifacts",
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"mock_options": {
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"environment": "debian-trixie-build"
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},
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"source_patterns": ["*.deb", "*.changes", "*.buildinfo"],
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"output_dir": "/tmp/build-artifacts"
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}
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```
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#### 6. Destroy Environment
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```json
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{
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"action": "destroy",
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"mock_options": {
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"environment": "debian-trixie-build"
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}
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}
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```
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### Configuration Options
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| Option | Type | Default | Description |
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|--------|------|---------|-------------|
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| `environment` | string | "debian-forge-build" | Name of the mock environment |
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| `architecture` | string | "amd64" | Target architecture |
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| `suite` | string | "trixie" | Debian suite |
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| `mirror` | string | "http://deb.debian.org/debian/" | Package mirror URL |
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| `packages` | array | [] | Initial packages to install |
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| `output_dir` | string | "/tmp/mock-output" | Output directory |
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| `cache_enabled` | boolean | true | Enable caching |
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| `parallel_jobs` | integer | 4 | Number of parallel jobs |
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| `verbose` | boolean | false | Verbose output |
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| `debug` | boolean | false | Debug output |
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## APT Mock Integration
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The `org.osbuild.apt.mock` stage provides APT package management within mock environments.
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### Basic Usage
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```json
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{
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"name": "org.osbuild.apt.mock",
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"options": {
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"mock_options": {
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"environment": "debian-trixie-build"
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},
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"packages": ["build-essential", "cmake", "git"]
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}
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}
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```
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### Advanced Features
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#### Repository Configuration
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```json
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{
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"repositories": [
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{
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"name": "debian-main",
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"url": "http://deb.debian.org/debian/",
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"suite": "trixie",
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"components": ["main", "contrib", "non-free"]
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},
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{
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"name": "debian-security",
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"url": "http://security.debian.org/debian-security/",
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"suite": "trixie-security",
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"components": ["main", "contrib", "non-free"]
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}
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]
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}
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```
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#### Package Pinning
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```json
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{
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"pinning": {
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"cmake": "3.27.*",
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"ninja-build": "1.11.*"
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}
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}
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```
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#### Package Holds
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```json
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{
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"holds": ["cmake", "ninja-build"]
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}
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```
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#### Repository Priorities
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```json
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{
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"priorities": {
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"debian-main": 500,
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"debian-security": 600
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}
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}
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```
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#### Specific Versions
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```json
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{
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"specific_versions": {
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"cmake": "3.27.7-1",
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"ninja-build": "1.11.1-1"
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}
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}
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```
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## Example Manifests
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### Complete Build Workflow
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```json
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{
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"version": "2",
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"pipelines": [
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{
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"name": "build",
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"runner": "org.osbuild.linux",
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"stages": [
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{
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"name": "org.osbuild.deb-mock",
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"options": {
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"action": "create",
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"mock_options": {
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"environment": "debian-trixie-build",
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"architecture": "amd64",
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"suite": "trixie",
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"packages": ["build-essential", "devscripts", "cmake"]
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}
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}
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},
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{
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"name": "org.osbuild.apt.mock",
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"options": {
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"mock_options": {
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"environment": "debian-trixie-build"
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},
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"packages": ["ninja-build", "git", "python3-dev"]
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}
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},
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{
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"name": "org.osbuild.deb-mock",
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"options": {
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"action": "copy_files",
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"mock_options": {
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"environment": "debian-trixie-build"
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},
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"copy_operations": [
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{
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"type": "in",
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"source": "/host/source",
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"destination": "/build/source"
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}
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]
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}
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},
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{
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"name": "org.osbuild.deb-mock",
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"options": {
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"action": "execute",
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"mock_options": {
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"environment": "debian-trixie-build"
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},
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"commands": [
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["cd", "/build/source"],
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["dpkg-buildpackage", "-b", "-us", "-uc"]
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]
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}
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},
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{
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"name": "org.osbuild.deb-mock",
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"options": {
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"action": "collect_artifacts",
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"mock_options": {
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"environment": "debian-trixie-build"
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},
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"source_patterns": ["*.deb", "*.changes", "*.buildinfo"],
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"output_dir": "/tmp/build-artifacts"
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}
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},
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{
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"name": "org.osbuild.deb-mock",
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"options": {
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"action": "destroy",
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"mock_options": {
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"environment": "debian-trixie-build"
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}
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}
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}
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]
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}
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],
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"sources": {}
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}
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```
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### Multi-Architecture Build
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```json
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{
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"version": "2",
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"pipelines": [
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{
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"name": "build-amd64",
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"runner": "org.osbuild.linux",
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"stages": [
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{
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"name": "org.osbuild.deb-mock",
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"options": {
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"action": "create",
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"mock_options": {
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"environment": "debian-trixie-amd64",
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"architecture": "amd64",
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"suite": "trixie"
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}
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}
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},
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{
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"name": "org.osbuild.apt.mock",
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"options": {
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"mock_options": {
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"environment": "debian-trixie-amd64"
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},
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"packages": ["build-essential", "cmake"]
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}
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}
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]
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},
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{
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"name": "build-arm64",
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"runner": "org.osbuild.linux",
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"stages": [
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{
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"name": "org.osbuild.deb-mock",
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"options": {
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"action": "create",
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"mock_options": {
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"environment": "debian-trixie-arm64",
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"architecture": "arm64",
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"suite": "trixie"
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}
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}
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},
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{
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"name": "org.osbuild.apt.mock",
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"options": {
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"mock_options": {
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"environment": "debian-trixie-arm64"
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},
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"packages": ["build-essential", "cmake"]
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}
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}
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]
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}
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],
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"sources": {}
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}
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```
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## Best Practices
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### 1. Environment Naming
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- Use descriptive names: `debian-trixie-amd64-build`
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- Include architecture and suite in the name
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- Use consistent naming across your project
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### 2. Resource Management
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- Always destroy environments when done
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- Use caching for frequently used environments
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- Monitor disk usage for mock environments
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### 3. Error Handling
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- Check if environments exist before using them
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- Handle command failures gracefully
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- Clean up on errors
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### 4. Security
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- Use minimal package sets
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- Keep environments isolated
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- Regularly update base images
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### 5. Performance
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- Enable caching for repeated builds
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- Use parallel jobs appropriately
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- Clean up unused environments
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## Troubleshooting
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### Common Issues
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#### 1. Environment Creation Fails
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```
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Error: deb-mock package not available
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```
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**Solution**: Install deb-mock package
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```bash
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pip install deb-mock
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```
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#### 2. Permission Denied
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```
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Error: Permission denied for chroot operations
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```
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**Solution**: Run with root privileges
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```bash
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sudo osbuild --output-dir /tmp/output manifest.json
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```
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#### 3. Package Installation Fails
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```
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Error: Package installation failed
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```
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**Solution**: Check package names and repository configuration
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- Verify package names are correct
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- Ensure repositories are properly configured
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- Check network connectivity
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#### 4. Environment Not Found
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```
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Error: Environment does not exist
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```
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**Solution**: Create the environment first
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```json
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{
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"action": "create",
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"mock_options": {
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"environment": "my-env"
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}
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}
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```
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### Debug Mode
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Enable debug mode for detailed logging:
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```json
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{
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"mock_options": {
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"debug": true,
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"verbose": true
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}
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}
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```
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### Logging
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Check the build logs for detailed error information:
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```bash
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# Check osbuild logs
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journalctl -u osbuild
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# Check mock environment logs
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ls /var/log/mock/
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```
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### Performance Issues
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If builds are slow:
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1. Enable caching:
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```json
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{
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"mock_options": {
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"cache_enabled": true
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}
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}
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```
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2. Increase parallel jobs:
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```json
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{
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"mock_options": {
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"parallel_jobs": 8
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}
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}
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```
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3. Use faster mirrors:
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```json
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{
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"mock_options": {
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"mirror": "http://fast-mirror.debian.org/debian/"
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}
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}
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```
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## Integration with CI/CD
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### GitHub Actions Example
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```yaml
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name: Build with Mock
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on: [push, pull_request]
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jobs:
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build:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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- name: Install deb-mock
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run: pip install deb-mock
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- name: Build with mock
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run: |
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sudo osbuild --output-dir artifacts \
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--libdir . \
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--json test/data/manifests/debian/debian-mock-build.json
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- name: Upload artifacts
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uses: actions/upload-artifact@v3
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with:
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name: build-artifacts
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path: artifacts/
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```
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### GitLab CI Example
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```yaml
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build:
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stage: build
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script:
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- pip install deb-mock
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- sudo osbuild --output-dir artifacts --libdir . --json manifest.json
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artifacts:
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paths:
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- artifacts/
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```
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This guide provides comprehensive coverage of the mock integration features in debian-forge. For more examples and advanced usage, see the example manifests in `test/data/manifests/debian/`.
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