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gentoo-binpkg-builder/build-image.sh

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#!/bin/bash
# SPDX-License-Identifier: MIT
# Author: Nils Freydank <nils.freydank@posteo.de>
PATH="/usr/bin:/bin:/usr/sbin:/sbin"
set -uxa
GPG_SIGNING_KEY="${GPG_SIGNING_KEY:-0x0F1DEAB2D36AD112}"
REGISTRY="git.holgersson.xyz/gentoo-related/gentoo-binpkg-builder"
VERSION="$(date --utc +%Y%m%d_%H%M%S)"
IMAGE_TAG="${REGISTRY}:${VERSION}"
REPOS="${REPOS:-/var/db/repos}"
DISTFILES="${DISTFILES:-/var/cache/distfiles-podman-1}"
BINPKG="${BINPKG:-/var/cache/packages-podman-1}"
LOGDIR="${LOGDIR:-$(pwd)/logs}"
DOCKER_FILE="${DOCKER_FILE:-$(pwd)/Dockerfile}"
podman_build_args=(
# Limit the memory to be used.
--memory=20G
--memory-swap=1G
--shm-size=2G
# Share the gentoo repo, overlays etc.
-v "${REPOS}:/var/db/repos:ro"
# Share the distfiles, i.e. typically source archives.
-v "${DISTFILES}:/var/cache/distfiles:rw,U"
# Share the binpkgs r/w cache.
-v "${BINPKG}:/var/cache/packages:rw,U"
# Keep the logs out of the container.
-v "${LOGDIR}:/var/log:rw,U"
# Use the given OCI file/Dockerfile.
-f "${DOCKER_FILE}"
# Tag the generated image.
-t "${IMAGE_TAG}"
# Label the image.
--label="gentoo-nfr-${IMAGE_TAG}"
# Sign the image.
#--sign-by="${GPG_SIGNING_KEY}"
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# Rebuild everything w/o cache.
--no-cache
)
mkdir -p "${REPOS}"
mkdir -p "${DISTFILES}"
mkdir -p "${BINPKG}"
mkdir -p "${LOGDIR}"
podman pull gentoo/stage3:amd64-nomultilib-systemd
podman build "${podman_build_args[@]}"
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# Update the tag 'latest'.
podman tag rm "${REGISTRY}:latest"
podman tag "${REGISTRY}:${VERSION}" "${REGISTRY}:latest"
# vim:fileencoding=utf-8:ts=4:syntax=bash:expandtab