Merge branch 'razvandimescu:main' into feature/add-dependabot-scanning
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Casey Labs
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.github/workflows/publish-aur.yml
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.github/workflows/publish-aur.yml
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# `publish-aur.yml` - Arch Linux AUR Package Workflow
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# --------------------
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# This workflow automates the validation and publishing of the 'numa-git' package to the
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# Arch User Repository (AUR). The AUR is a community-driven repository for Arch Linux users.
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#
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# Workflow Overview:
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# 1. Validate: Builds and tests the package for Arch Linux x86_64 using a clean
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# Arch Linux container.
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# 2. Audit: Checks Rust dependencies for known security vulnerabilities using
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# 'cargo-audit'.
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# 3. Publish: If on the 'main' branch, it pushes the updated PKGBUILD and
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# .SRCINFO to the AUR.
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#
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# Security Best Practices:
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# - SHA Pinning: All GitHub Actions are pinned to a full-length commit SHA (e.g., v6.0.2 @ SHA)
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# to ensure the code is immutable and protects against supply-chain attacks where a tag
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# might be maliciously moved to a compromised commit.
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# - SSH Hygiene: Uses ssh-agent to keep the private key in memory rather than on disk.
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# - Audit: Runs 'cargo audit' to prevent publishing known vulnerable dependencies.
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name: Publish - Arch Linux AUR Package
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on:
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push:
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branches: [main]
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workflow_dispatch:
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permissions:
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contents: read
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jobs:
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# The 'validate' job ensures that the PKGBUILD is correct and the software builds/tests
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# successfully on Arch Linux before we attempt to publish it.
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validate:
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name: Validate PKGBUILD (${{ matrix.arch }})
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runs-on: ubuntu-latest
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strategy:
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fail-fast: false
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matrix:
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arch: [x86_64]
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steps:
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- name: Checkout code
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uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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- name: Build and Test Package
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timeout-minutes: 60
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env:
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AUR_PKGNAME: ${{ secrets.AUR_PACKAGE_NAME }}
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run: |
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# We use a temporary directory to avoid Docker permission issues with the workspace.
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mkdir -p build-dir
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cp PKGBUILD build-dir/
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docker run --rm -v $PWD/build-dir:/pkg -w /pkg archlinux:latest /bin/bash -c "
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# ARCH LINUX SECURITY REQUIREMENT:
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# 'makepkg' (the tool that builds Arch packages) refuses to run as root for safety.
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# We must create a standard user and give them sudo access.
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# Install build-time dependencies.
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# 'base-devel' includes essential tools like gcc, make, and binutils.
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# Install 'rust' directly to avoid the interactive virtual-package
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# prompt for 'cargo' on current Arch images.
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pacman -Syu --noconfirm --needed base-devel rust git sudo cargo-audit
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useradd -m builduser
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chown -R builduser:builduser /pkg
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# Allow the build user to install dependencies during the build process.
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echo 'builduser ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/builduser
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# Fetch the source tree first so pkgver() and cargo-audit have a
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# real Cargo.lock to inspect.
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sudo -u builduser makepkg -o --nobuild --nocheck --nodeps --noprepare
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# SECURITY AUDIT:
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# Fail early if any dependencies have known security vulnerabilities.
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sudo -u builduser sh -lc 'cd /pkg/src/numa && cargo audit'
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# BUILD & TEST:
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# 'makepkg -s' will:
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# 1. Download source files (cloning this repo)
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# 2. Run prepare(), build(), and check() (running cargo test)
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# 3. Create the final .pkg.tar.zst package
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sudo -u builduser makepkg -s --noconfirm
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"
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# The 'publish' job updates the AUR repository with our latest PKGBUILD and .SRCINFO.
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publish:
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name: Publish to AUR
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needs: validate
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runs-on: ubuntu-latest
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if: github.event_name == 'push' && github.ref == 'refs/heads/main'
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steps:
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- name: Checkout code
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uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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# Securely configure SSH for AUR access.
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- name: Configure SSH
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run: |
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mkdir -p ~/.ssh
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# Official AUR Ed25519 fingerprint (prevents Man-in-the-Middle attacks).
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echo "aur.archlinux.org ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEuBKrPzbawxA/k2g6NcyV5jmqwJ2s+zpgZGZ7tpLIcN" >> ~/.ssh/known_hosts
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# Use ssh-agent to keep the private key in memory rather than writing it to disk.
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eval $(ssh-agent -s)
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echo "${{ secrets.AUR_SSH_PRIVATE_KEY }}" | tr -d '\r' | ssh-add -
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# Export the agent socket so subsequent 'git' commands can use it.
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echo "SSH_AUTH_SOCK=$SSH_AUTH_SOCK" >> $GITHUB_ENV
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echo "SSH_AGENT_PID=$SSH_AGENT_PID" >> $GITHUB_ENV
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- name: Push to AUR
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env:
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AUR_PKGNAME: ${{ secrets.AUR_PACKAGE_NAME }}
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AUR_EMAIL: ${{ secrets.AUR_EMAIL }}
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AUR_USER: ${{ secrets.AUR_USERNAME }}
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run: |
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# AUR repos are managed via Git. Each package has its own repo at:
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# ssh://aur@aur.archlinux.org/<package-name>.git
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git clone ssh://aur@aur.archlinux.org/$AUR_PKGNAME.git aur-repo
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cp PKGBUILD aur-repo/
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cd aur-repo
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# METADATA GENERATION:
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# '.SRCINFO' is a machine-readable version of the PKGBUILD.
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# We must run this as a non-root user ('builduser') inside the container.
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docker run --rm -v $(pwd):/pkg archlinux:latest /bin/bash -c "
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pacman -Syu --noconfirm --needed binutils git sudo
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useradd -m builduser
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chown -R builduser:builduser /pkg
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cd /pkg
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sudo -u builduser git config --global --add safe.directory '*'
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# "makepkg -od" fetches the source first so pkgver() can calculate the version.
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sudo -u builduser makepkg -od && sudo -u builduser makepkg --printsrcinfo > .SRCINFO
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"
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# Reclaim ownership: the in-container 'chown -R builduser:builduser /pkg'
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# propagates through the bind mount, leaving .git/ owned by the container's
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# builduser UID. Without this, subsequent 'git config' on the host fails with
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# "could not lock config file .git/config: Permission denied".
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sudo chown -R "$(id -u):$(id -g)" .
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# Set the commit identity using secrets for security and auditability.
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git config user.name "$AUR_USER"
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git config user.email "$AUR_EMAIL"
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# Stage and commit both the human-readable PKGBUILD and machine-readable .SRCINFO.
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git add PKGBUILD .SRCINFO
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if ! git diff --cached --quiet; then
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git commit -m "chore: update PKGBUILD to ${{ github.sha }}"
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git push origin master
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else
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echo "No changes to commit (metadata and PKGBUILD are already up-to-date)."
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fi
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