Documentation

Getting reproducible builds for your software or distribution might be easier than you think.

However, it might require small changes to your build system and a strategy on how to enable others to recreate an environment in which the builds can be reproduced.

Introduction

• Definitions
• History
• Buy-in
• Making plans
• Academic publications

Achieve deterministic builds

• Commandments of reproducible builds
• Variations in the build environment
• SOURCE_DATE_EPOCH
• Deterministic build systems
• Volatile inputs can disappear
• Stable order for inputs
• Stripping of unreproducible information
• Value initialization
• Version information
• Timestamps
• Timezones
• Locales
• Archive metadata
• Stable order for outputs
• Randomness
• Build path
• System images
• JVM

Define a build environment

• What's in a build environment?
• Recording the build environment
• Definition strategies
• Proprietary operating systems

Distribute the environment

• Building from source
• Virtual machine drivers
• Formal definition

Verification

• Cryptographic checksums
• Embedded signatures
• Sharing certifications

Specifications

• SOURCE_DATE_EPOCH
• BUILD_PATH_PREFIX_MAP (WIP)