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#!/bin/bash
#
# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# build-sbo-testbuild.sh — sbo-testbuild:{ver} FROM sbo-full:{ver}.
# Adds sbopkg + sbo-maintainer-tools from prebuilt .txz in PKGDIR.
# Rebuilds when the full image OR the .txz set changes.
set -euo pipefail
PROJECT_VERSION="1.0.0" # bump via sed across all scripts; see CLAUDE.md Releases
HERE="$(cd "$(dirname "$0")" && pwd)"
source "${HERE}/config"
LOG_TAG=testbuild
source "${HERE}/lib.sh"
FULL_IMAGE="${REGISTRY}/sbo-full"
TB_IMAGE="${REGISTRY}/sbo-testbuild"
DIGEST_LABEL="sbo.testbuild.full-digest"
PKGS_LABEL="sbo.testbuild.pkgs-hash"
FORCE=false
OPT_VERSION=""
while [[ $# -gt 0 ]]; do
case "$1" in
-V) echo "build-sbo-testbuild.sh $PROJECT_VERSION"; exit 0 ;;
--version) OPT_VERSION="$2"; shift 2 ;;
--force) FORCE=true; shift ;;
*) _err "unknown argument: $1" ;;
esac
done
if [[ -n "${OPT_VERSION}" ]]; then
BUILD_VARIANTS=("${OPT_VERSION}")
else
BUILD_VARIANTS=("${VARIANTS[@]}")
fi
# Verify the required packages (*.t?z) are present before doing anything.
require_pkgs() {
[[ -d "${PKGDIR}" ]] || _err "PKGDIR missing: ${PKGDIR}"
compgen -G "${PKGDIR}/sbopkg-*.t?z" >/dev/null \
|| _err "no sbopkg-*.t?z in ${PKGDIR}"
compgen -G "${PKGDIR}/sbo-maintainer-tools-*.t?z" >/dev/null \
|| _err "no sbo-maintainer-tools-*.t?z in ${PKGDIR}"
}
# needs_rebuild FULL_TAG TB_TAG PKGS_HASH -> 0 if rebuild needed
needs_rebuild() {
local full_tag="$1" tb_tag="$2" pkgs_hash="$3"
[[ "${FORCE}" == "true" ]] && { _log " --force."; return 0; }
local full_digest
full_digest=$(docker inspect --format '{{index .RepoDigests 0}}' \
"${full_tag}" 2>/dev/null || echo "")
[[ -n "${full_digest}" ]] || { _warn " no full digest; rebuilding."; return 0; }
local rec_digest rec_pkgs
rec_digest=$(docker inspect \
--format "{{index .Config.Labels \"${DIGEST_LABEL}\"}}" \
"${tb_tag}" 2>/dev/null || echo "")
rec_pkgs=$(docker inspect \
--format "{{index .Config.Labels \"${PKGS_LABEL}\"}}" \
"${tb_tag}" 2>/dev/null || echo "")
if [[ "${full_digest}" == "${rec_digest}" && "${pkgs_hash}" == "${rec_pkgs}" ]]; then
_log " full image and .txz set unchanged; skipping."
return 1
fi
_log " full image or .txz set changed; rebuilding."
return 0
}
build_variant() {
local VERSION="$1"
local FULL_TAG="${FULL_IMAGE}:${VERSION}"
local TB_TAG="${TB_IMAGE}:${VERSION}"
_log "=== ${TB_TAG} ==="
_log " Pulling ${FULL_TAG}..."
docker pull "${FULL_TAG}"
local PKGS_HASH; PKGS_HASH="$(txz_hash "${PKGDIR}")"
if ! needs_rebuild "${FULL_TAG}" "${TB_TAG}" "${PKGS_HASH}"; then
return 0
fi
local FULL_DIGEST
FULL_DIGEST=$(docker inspect --format '{{index .RepoDigests 0}}' "${FULL_TAG}" 2>/dev/null || echo "")
local WORKDIR; WORKDIR="$(mktemp -d /tmp/sbo-testbuild.XXXXXX)"
# shellcheck disable=SC2064
trap "rm -rf '${WORKDIR}'" EXIT
mkdir -p "${WORKDIR}/pkgs"
cp "${PKGDIR}"/sbopkg-*.t?z "${PKGDIR}"/sbo-maintainer-tools-*.t?z "${WORKDIR}/pkgs/"
cat > "${WORKDIR}/Dockerfile" <<DOCKERFILE
FROM ${FULL_TAG}
LABEL maintainer="danix <danix@danix.xyz>"
COPY pkgs/ /tmp/pkgs/
RUN installpkg /tmp/pkgs/* && rm -rf /tmp/pkgs
RUN /sbin/ldconfig
LABEL org.opencontainers.image.created="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
LABEL org.opencontainers.image.title="SBo test-build env ${VERSION} (x86_64)"
LABEL org.opencontainers.image.description="Slackware ${VERSION} full + sbopkg + sbo-maintainer-tools"
LABEL slackware.version="${VERSION}"
LABEL ${DIGEST_LABEL}="${FULL_DIGEST}"
LABEL ${PKGS_LABEL}="${PKGS_HASH}"
CMD ["/bin/bash"]
DOCKERFILE
local BUILD_FLAGS=()
[[ "${FORCE}" == "true" ]] && BUILD_FLAGS+=(--no-cache)
# Explicit exit checks: build_variant runs in an `if ! (...)` condition
# (see Main), which suppresses `set -e` in this subshell, so a failed build
# would otherwise push a nonexistent tag and log "Done".
_log " Building ${TB_TAG}..."
if ! docker build "${BUILD_FLAGS[@]}" -t "${TB_TAG}" "${WORKDIR}"; then
_warn " build failed for ${TB_TAG}; not pushing."
return 1
fi
_log " Pushing ${TB_TAG}..."
if ! docker push "${TB_TAG}"; then
_warn " push failed for ${TB_TAG}."
return 1
fi
_log "=== Done: ${TB_TAG} ==="
}
require_pkgs
rc=0
for VERSION in "${BUILD_VARIANTS[@]}"; do
if ! ( build_variant "${VERSION}" ); then
_warn "variant ${VERSION} failed; continuing."
rc=1
fi
done
exit "${rc}"
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