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authorYuriy Andamasov <yuriy@vyos.io>2026-05-06 21:05:20 +0300
committerGitHub <noreply@github.com>2026-05-06 21:05:20 +0300
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treeafe2bc5b4426837530f2b4e0ab9840c81337a4c2 /docs/contributing/upstream-packages.md
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downloadvyos-documentation-7cf51e1c2901f6d1b01e9bff194f7188bc29e417.tar.gz
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Merge pull request #1899 from vyos/feat/myst-as-primary-current
feat: MD as primary, RST as override — Phase 1 (rename + exclude flip on current)
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+---
+lastproofread: '2026-01-30'
+---
+
+(upstream-packages)=
+
+# Upstream Packages
+
+Many base system packages are pulled straight from Debian's `main` and
+`contrib` repositories, but there are exceptions. If you only want to build
+a fresh ISO image, you can skip
+this section. This information may be useful for a deeper dive into VyOS.
+
+System packages that are not directly pulled from Debian are built through a
+separate build system, `build.py` in the [vyos-build](https://github.com/vyos/vyos-build/tree/current/scripts/package-build) repository.
+
+## Overview
+
+Previously, VyOS used Jenkins for building upstream packages. With the move away
+from Jenkins, the build system was replaced with a Python-based solution using
+`build.py` and `package.toml` configuration files.
+
+Each package directory contains:
+
+- A `package.toml` configuration file that defines how the package is built.
+- A symlink to the common `build.py` script in the build system.
+
+## Building Packages
+
+To build a package, navigate to the package directory and execute the
+build script:
+
+```console
+cd package-build/<package-name>
+./build.py
+```
+
+The script will:
+
+1. Check out the source code from the configured repository.
+2. Apply any patches defined in the configuration.
+3. Execute pre-build hooks (if configured).
+4. Build the package using the specified build command.
+5. Generate both binary (`.deb`) packages and source tarballs.
+
+## Package Configuration (package.toml)
+
+Each package directory contains a `package.toml` file that defines the build
+parameters. The key configuration fields are:
+
+```{eval-rst}
+**name**
+ The package name (e.g., ``frr``)
+
+**commit_id**
+ The specific commit, tag, or branch to check out from the source repository
+ (e.g., ``stable/10.5``)
+
+**scm_url**
+ The Git URL of the upstream source repository
+ (e.g., ``https://github.com/FRRouting/frr.git``)
+
+.. stop_vyoslinter
+**build_cmd**
+ The command to execute for building the package. This replaces what was
+ previously defined in the Jenkins ``Jenkinsfile``.
+
+ Default if not specified: ``dpkg-buildpackage -uc -us -tc -F --source-option=--tar-ignore=.git --source-option=--tar-ignore=.github``
+
+ Example with custom build command:
+
+ .. code-block:: toml
+
+ build_cmd = "sudo dpkg -i ../*.deb; dpkg-buildpackage -us -uc -tc -b -Ppkg.frr.rtrlib,pkg.frr.lua"
+.. start_vyoslinter
+
+**pre_build_hook** (Optional)
+ A shell command or script that executes after the repository is checked out
+ and before the build process begins. This allows you to perform preparatory
+ tasks such as:
+
+ - Creating directories
+ - Copying files
+ - Running custom setup scripts
+ - Installing dependencies
+
+ Single command example:
+
+ .. code-block:: toml
+
+ pre_build_hook = "echo 'Preparing build environment'"
+
+ Multi-line commands example:
+
+ .. code-block:: toml
+
+ pre_build_hook = """
+ mkdir -p ../hello/vyos
+ mkdir -p ../vyos
+ cp example.txt ../vyos
+ """
+
+ Combined commands and scripts:
+
+ .. code-block:: toml
+
+ pre_build_hook = "ls -l; ./script.sh"
+
+**apply_patches** (Optional)
+ Boolean flag to control whether patches should be applied. Defaults to
+ ``True``.
+
+ .. code-block:: toml
+
+ apply_patches = false
+
+**prepare_package** (Optional)
+ Boolean flag to enable package preparation. When set to ``True``, the
+ ``install_data`` configuration is used.
+
+**install_data** (Optional)
+ Data used for package preparation when ``prepare_package`` is enabled.
+```
+
+## Example package.toml file
+
+Here's an example configuration for the FRRouting (FRR) package:
+
+```toml
+name = "frr"
+commit_id = "stable/10.5"
+scm_url = "https://github.com/FRRouting/frr.git"
+build_cmd = "sudo dpkg -i ../*.deb; dpkg-buildpackage -us -uc -tc -b -Ppkg.frr.rtrlib,pkg.frr.lua"
+```
+
+
+## Build Output
+
+After running `./build.py`, the following artifacts are generated in the
+package directory:
+
+- `.deb` files - Binary Debian packages ready for installation
+- `.tar.gz` files - Source tarballs of the checked-out repositories
+- Additional build artifacts as produced by the Debian build system
+
+The build script also creates build dependency packages (`*build-deps*.deb`),
+which are automatically cleaned up after the build completes.