From 160ab1fd8c6917e0bd39cd4e7466329f4fb26b10 Mon Sep 17 00:00:00 2001
From: "Danilo M." <danix@danix.xyz>
Date: Mon, 13 Jul 2026 12:21:16 +0200
Subject: image-builder: build-sbo-testbuild.sh

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 .extras/image-builder/build-sbo-testbuild.sh | 117 +++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 .extras/image-builder/build-sbo-testbuild.sh

diff --git a/.extras/image-builder/build-sbo-testbuild.sh b/.extras/image-builder/build-sbo-testbuild.sh
new file mode 100644
index 0000000..7dd3ec0
--- /dev/null
+++ b/.extras/image-builder/build-sbo-testbuild.sh
@@ -0,0 +1,117 @@
+#!/bin/bash
+# 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
+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
+        --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 .txz are present before doing anything.
+require_pkgs() {
+    [[ -d "${PKGDIR}" ]] || _err "PKGDIR missing: ${PKGDIR}"
+    compgen -G "${PKGDIR}/sbopkg-*.txz" >/dev/null \
+        || _err "no sbopkg-*.txz in ${PKGDIR}"
+    compgen -G "${PKGDIR}/sbo-maintainer-tools-*.txz" >/dev/null \
+        || _err "no sbo-maintainer-tools-*.txz 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}}' "${FULL_TAG}")
+
+    local WORKDIR; WORKDIR="$(mktemp -d /tmp/sbo-testbuild.XXXXXX)"
+    # shellcheck disable=SC2064
+    trap "rm -rf '${WORKDIR}'" EXIT
+    mkdir -p "${WORKDIR}/pkgs"
+    cp "${PKGDIR}"/sbopkg-*.txz "${PKGDIR}"/sbo-maintainer-tools-*.txz "${WORKDIR}/pkgs/"
+
+    cat > "${WORKDIR}/Dockerfile" <<DOCKERFILE
+FROM ${FULL_TAG}
+LABEL maintainer="danix <danix@danix.xyz>"
+COPY pkgs/*.txz /tmp/pkgs/
+RUN installpkg /tmp/pkgs/*.txz && rm -rf /tmp/pkgs
+RUN /sbin/ldconfig
+LABEL org.opencontainers.image.created="$(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)
+    _log "  Building ${TB_TAG}..."
+    docker build "${BUILD_FLAGS[@]}" -t "${TB_TAG}" "${WORKDIR}"
+    _log "  Pushing ${TB_TAG}..."
+    docker push "${TB_TAG}"
+    _log "=== Done: ${TB_TAG} ==="
+}
+
+require_pkgs
+for VERSION in "${BUILD_VARIANTS[@]}"; do
+    build_variant "${VERSION}"
+done
-- 
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