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Add generate_unstable_mask script for clamping back unstable arches

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Signed-off-by: James Le Cuirot <jlecuirot@microsoft.com>
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James Le Cuirot 2024-07-31 12:58:08 +01:00
parent 31f8568668
commit aa90bf20f6
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generate_unstable_mask Executable file
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#!/bin/bash
# Copyright (c) 2024 The Flatcar Maintainers.
# Distributed under the terms of the GNU General Public License v2
# Generates a package.mask file clamping back an architecture with unstable
# keywords (e.g. riscv) to roughly the same package versions as amd64-usr, which
# has stable keywords.
set -euo pipefail
export PORTAGE_CONFIGROOT=/build/${1-none}
if [[ ! -d ${PORTAGE_CONFIGROOT} ]]; then
echo "Usage: $0 <BOARD>" >&2
exit 1
fi
cd "$(portageq get_repo_path / portage-stable)"
find * -maxdepth 3 -name "*.ebuild" -printf "%h\0" | sort -z -u | xargs -P16 -0 -i sh -ec '
PKG="{}"
# This will fail, skipping this package, if there is no amd64-usr ebuild,
# which is fine because there is nothing to mask in this case.
BEST_STABLE=$(PORTAGE_CONFIGROOT=/build/amd64-usr portageq best_visible /build/amd64-usr ebuild "${PKG}")
if ! BEST_UNSTABLE=$(portageq best_visible / ebuild "${PKG}"); then
echo "# ${PKG} is not keyworded for this architecture." >&2
fi
# Do not bother masking if the best versions match.
[ "${BEST_UNSTABLE}" = "${BEST_STABLE}" ] && exit
# Check if there is a keyworded ebuild at the same version or lower. If so,
# mask higher versions. If not, do not mask, allowing the best unstable.
portageq best_visible "${PORTAGE_CONFIGROOT}" ebuild "<=${BEST_STABLE}" >/dev/null
echo ">${BEST_STABLE}"
' | sort