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Add GitHub Pages documentation
Add docs folder with all needed source files for GitHub Pages documentation. Add .github/workflows/gh-pages.yml and .github/workflows/pr-closed.yml to setup the GitHub Pages deployment workflow. Move the complete documentation from README.md to GitHub Pages. Now README.md contains a succinct introduction and references the comprehensive documentation. Signed-off-by: Alisa-Dariana Roman <[email protected]>
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‎.github/workflows/gh-pages.yml‎

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on:
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push:
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branches:
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- main
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- dev
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- dev/*
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pull_request:
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jobs:
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build-doc:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- uses: actions/setup-python@v5
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with:
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python-version: "3.x"
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- name: Install pip packages
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working-directory: docs
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run: |
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pip install pip --upgrade
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pip install -r requirements.txt
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- name: Build doc
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working-directory: docs
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run: |
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make html SPHINXOPTS='-W --keep-going'
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- name: Store the generated doc
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uses: actions/upload-artifact@v4
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with:
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name: html
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path: docs/_build/html
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deploy-gh-pages:
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runs-on: ubuntu-latest
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needs: build-doc
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permissions:
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contents: write
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if: ${{ github.ref == 'refs/heads/main' || github.event_name == 'pull_request' }}
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steps:
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- uses: analogdevicesinc/doctools/gh-pages-deploy@action
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with:
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name: html

‎.github/workflows/pr-closed.yml‎

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on:
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pull_request:
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types: [closed]
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jobs:
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clean-gh-pages:
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runs-on: ubuntu-latest
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permissions:
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contents: write
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steps:
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- uses: analogdevicesinc/doctools/gh-pages-rm-path@action
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with:
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path: pull/${{ github.event.number }}

‎.gitignore‎

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.pc
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*-pc
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apt-cacher-ng/
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docs/_build/

‎README.md‎

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‎docs/Makefile‎

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SHELL = /bin/bash
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SPHINXOPTS ?=
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SPHINXBUILD ?= sphinx-build
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SOURCEDIR = .
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BUILDDIR = _build
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help:
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@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
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.PHONY: help Makefile
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%: Makefile
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@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

‎docs/build-flow.rst‎

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.. _build-flow:
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Build Flow
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==========
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The Kuiper build process uses Docker to create a controlled environment for
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building Debian-based images for Analog Devices products. The build follows
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these high-level steps:
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1. ``build-docker.sh`` creates a Docker container with all necessary build
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dependencies
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2. Inside the container, ``kuiper-stages.sh`` orchestrates a series of build
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stages
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3. Each stage performs specific tasks like system configuration, tool
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installation, and boot setup
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4. The final image is exported as a zip file to the ``kuiper-volume``
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directory on your host machine
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This approach ensures consistent builds across different host systems while
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allowing full customization through the ``config`` file.
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The ``config`` file is first read by ``build-docker.sh`` on the host system
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to set up environment variables and Docker options. It is then copied into
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the container where ``kuiper-stages.sh`` reads it again to determine which
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stages to execute and how to configure them.
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.. svg:: sources/build_flow.svg
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:align: center
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----
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Docker Build Environment
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------------------------
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Docker is used to perform the build inside a container, which partially
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isolates the build from the host system. This allows the script to work on
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non-Debian based systems (e.g., Fedora Linux). The isolation is not total
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due to the need to use some kernel-level services for ARM emulation (binfmt)
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and loop devices (losetup).
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The ``build-docker.sh`` script handles:
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- Checking prerequisites and permissions
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- Building a Docker image with all necessary dependencies
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- Running a Docker container with appropriate options
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- Mounting volumes to share data between the host and container
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- Setting environment variables based on the ``config`` file
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- Starting the internal build process by calling ``kuiper-stages.sh``
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- Cleaning up the container after completion (if ``PRESERVE_CONTAINER=n``)
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Running the Build
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~~~~~~~~~~~~~~~~~
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To build:
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.. code-block:: bash
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sudo ./build-docker.sh
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Your Kuiper image will be in the ``kuiper-volume/`` folder inside the cloned
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repository on your machine as a zip file named
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``image_YYYY-MM-DD-ADI-Kuiper-Linux-[arch].zip``. After successful build,
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the Docker image and the build container are removed if
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``PRESERVE_CONTAINER=n``.
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If needed, you can remove the build container with:
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.. code-block:: bash
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docker rm -v debian_<DEBIAN_VERSION>_rootfs_container
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If you choose to preserve the Docker container, you can access the Kuiper
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root filesystem by copying it from the container to your machine with this
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command:
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.. code-block:: bash
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CONTAINER_ID=$(docker inspect --format="{{.Id}}" debian_<DEBIAN_VERSION>_rootfs_container)
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sudo docker cp $CONTAINER_ID:<TARGET_ARCHITECTURE>_rootfs .
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You need to replace ``<DEBIAN_VERSION>`` and ``<TARGET_ARCHITECTURE>`` with
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the ones in the configuration file.
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Example:
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.. code-block:: bash
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CONTAINER_ID=$(docker inspect --format="{{.Id}}" debian_bookworm_rootfs_container)
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sudo docker cp $CONTAINER_ID:armhf_rootfs .
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Docker Container Configuration
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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When the Docker container is run, various required command line arguments
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are provided:
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- ``-t``: Allocates a pseudo-TTY allowing interaction with container's shell
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- ``--privileged``: Provides elevated privileges required by the chroot
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command
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- ``-v /dev:/dev``: Mounts the host system's device directory
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- ``-v /lib/modules:/lib/modules``: Mounts kernel modules from the host
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- ``-v ./kuiper-volume:/kuiper-volume``: Creates a shared volume for the
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output
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- ``-e "DEBIAN_VERSION={value}"``: Sets environment variables from the config
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file
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The ``--name`` and ``--privileged`` options are already set by the script and
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should not be redefined.
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----
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Stage-Based Build Process
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-------------------------
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Inside the Docker container, ``kuiper-stages.sh`` orchestrates the entire
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build process. This script reads the ``config`` file, sets up environment
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variables, and executes a series of stages in a specific order.
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How Stages Are Processed
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~~~~~~~~~~~~~~~~~~~~~~~~
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The build process follows these steps inside the Docker container:
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1. ``kuiper-stages.sh`` loops through the ``stages`` directory in
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alphanumeric order
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2. Within each stage, it processes subdirectories in alphanumeric order
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3. For each subdirectory, it runs the following files if they exist:
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- ``run.sh`` - A shell script executed in the Docker container's context
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- ``run-chroot.sh`` - A shell script executed within the Kuiper image
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using chroot
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- Package installation files:
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- ``packages-[*]`` - Lists packages to install with
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``--no-install-recommends``
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- ``packages-[*]-with-recommends`` - Lists packages to install with
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their recommended dependencies
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The package installation files (``packages-[*]``) are processed if the
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corresponding configuration option is enabled. For example,
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``packages-desktop`` is only processed if ``CONFIG_DESKTOP=y`` in the config
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file.
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Key Stages Overview
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~~~~~~~~~~~~~~~~~~~
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The build process is divided into several stages for logical clarity and
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modularity:
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- **01.bootstrap** - Creates a usable filesystem using ``debootstrap``
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- **02.set-locale-and-timezone** - Configures system locale and timezone
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settings
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- **03.system-tweaks** - Sets up users, passwords, and system configuration
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- **04.configure-desktop-env** - Installs and configures desktop environment
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(if enabled)
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- **05.adi-tools** - Installs Analog Devices libraries and tools (based on
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config)
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- **06.boot-partition** - Adds boot files for different platforms
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- **07.extra-tweaks** - Applies custom scripts and additional configurations
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- **08.export-stage** - Creates and exports the final image
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Each stage contains multiple substages that handle specific aspects of the
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build process. The stages are designed to be modular, allowing for easy
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customization and extension.
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For a more detailed description of each stage and its purpose, see the
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:doc:`Stage Reference <stage-reference>` section.
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Stage Execution Logic
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~~~~~~~~~~~~~~~~~~~~~
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The ``kuiper-stages.sh`` script contains a helper function called
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``install_packages`` that handles package installation for each stage. This
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function:
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1. Checks if package files exist for the current stage
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2. Verifies if the corresponding configuration option is enabled
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3. Installs the packages using the appropriate apt-get command
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The script then executes each stage's ``run.sh`` script, which may perform
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additional configuration steps, compile software from source, or prepare
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files for the final image.
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This modular approach allows users to easily customize the build process by
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modifying existing stages or adding new ones.

‎docs/conf.py‎

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# -- Import setup -------------------------------------------------------------
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from os import path
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import os
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# -- Project information ------------------------------------------------------
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repository = 'adi-kuiper-gen'
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project = 'Kuiper'
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copyright = '2025, Analog Devices, Inc.'
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author = 'Analog Devices, Inc.'
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# Version from environment variable or fallback
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version = os.environ.get('ADOC_DOC_VERSION', 'latest')
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# -- General configuration ----------------------------------------------------
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extensions = [
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'sphinx.ext.todo',
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'adi_doctools',
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]
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needs_extensions = {
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'adi_doctools': '0.3.47'
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}
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exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
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source_suffix = '.rst'
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# -- Numbered references configuration ----------------------------------------
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numfig = True
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numfig_format = {
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'figure': 'Figure %s',
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'table': 'Table %s',
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'code-block': 'Listing %s',
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'section': 'Section %s'
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}
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# -- External docs configuration ----------------------------------------------
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interref_repos = []
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# -- Custom extensions configuration ------------------------------------------
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hide_collapsible_content = True
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validate_links = False
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# -- todo configuration -------------------------------------------------------
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todo_include_todos = True
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todo_emit_warnings = True
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# -- Options for HTML output --------------------------------------------------
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html_theme = 'cosmic'
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html_static_path = ['sources']
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html_favicon = path.join("sources", "icon.png")
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html_theme_options = {
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"light_logo": "logo_light.png",
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"dark_logo": "logo_dark.png",
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}

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