feat(packaging): add universal package build scripts for deb, rpm, and apk

components/core/tools/packaging/alpine-apk/Dockerfile

@@ -0,0 +1,12 @@
+# syntax=docker/dockerfile:1
+#
+# Extends the CLP musllinux_1_2 build image with tools needed for .apk
+# packaging: patchelf (to rewrite RPATH) and alpine-sdk (for abuild).
+#
+# Usage:
+#   docker build --build-arg BASE_IMAGE=clp-core-dependencies-x86-musllinux_1_2:dev ...
+
+ARG BASE_IMAGE
+FROM ${BASE_IMAGE}
+
+RUN apk add --no-cache patchelf alpine-sdk

components/core/tools/packaging/alpine-apk/package.sh

@@ -0,0 +1,110 @@
+#!/usr/bin/env bash
+
+# Creates an Alpine .apk package from pre-built CLP core binaries.
+#
+# This script runs INSIDE the apk-builder container as root. It calls
+# bundle-libs.sh to collect and patch binaries, then uses abuild to create
+# a properly formatted .apk package.
+#
+# The resulting package is built on musllinux_1_2 (musl libc), making it
+# compatible with Alpine Linux 3.20+.
+#
+# Required environment variables:
+#   PKG_VERSION  Package version (e.g., "0.9.1" or "0.9.1-20260214.5f1d7ca")
+#   PKG_ARCH     Target APK architecture: x86_64 or aarch64
+#   BIN_DIR      Path to the directory containing compiled binaries
+#
+# Optional environment variables:
+#   OUTPUT_DIR   Where to write the .apk file (default: current directory)
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
+
+# --- Validate inputs --------------------------------------------------------
+
+if [[ -z "${PKG_VERSION:-}" ]]; then
+    echo "ERROR: PKG_VERSION is required" >&2
+    exit 1
+fi
+
+if [[ -z "${PKG_ARCH:-}" ]]; then
+    echo "ERROR: PKG_ARCH is required" >&2
+    exit 1
+fi
+
+if [[ -z "${BIN_DIR:-}" ]]; then
+    echo "ERROR: BIN_DIR is required" >&2
+    exit 1
+fi
+
+output_dir="${OUTPUT_DIR:-$(pwd)}"
+staging="/tmp/clp-apk-staging"
+
+# APK version: hyphens are invalid and underscore suffixes must use a recognized
+# tag (_alpha, _beta, _pre, _rc, _git, etc.) followed by digits only. We use
+# _git with the date; the commit hash is stored in pkgdesc since apk versions
+# don't allow hex characters.
+# E.g., "0.9.1-20260214.5f1d7ca" -> pkgver=0.9.1_git20260214, hash in pkgdesc
+apk_desc="CLP core universal binaries for log compression and search"
+if [[ "${PKG_VERSION}" == *-* ]]; then
+    base_version="${PKG_VERSION%%-*}"
+    snapshot_suffix="${PKG_VERSION#*-}"
+    snapshot_date="${snapshot_suffix%%.*}"
+    snapshot_hash="${snapshot_suffix#*.}"
+    apk_version="${base_version}_git${snapshot_date}"
+    apk_desc="${apk_desc} (commit: ${snapshot_hash})"
+else
+    apk_version="${PKG_VERSION}"
+fi
+
+# --- Bundle binaries and libraries ------------------------------------------
+
+STAGING_DIR="${staging}" \
+BIN_DIR="${BIN_DIR}" \
+    "${script_dir}/../common/bundle-libs.sh"
+
+# --- Build .apk via abuild -------------------------------------------------
+
+abuild_dir="/tmp/clp-abuild"
+rm -rf "${abuild_dir}"
+mkdir -p "${abuild_dir}"
+
+# abuild requires a signing key; add it to trusted keys so the post-build
+# repository index step succeeds.
+abuild-keygen -an 2>/dev/null || true
+cp /root/.abuild/*.rsa.pub /etc/apk/keys/ 2>/dev/null || true
+
+# Create APKBUILD that copies our pre-bundled staging directory
+cat > "${abuild_dir}/APKBUILD" <<APKBUILD
+# Maintainer: YScope Inc. <support@yscope.com>
+pkgname=clp-core
+pkgver=${apk_version}
+pkgrel=0
+pkgdesc="${apk_desc}"
+url="https://github.com/y-scope/clp"
+arch="${PKG_ARCH}"
+license="Apache-2.0"
+depends="musl libstdc++"
+source=""
+options="!check !strip"
+
+package() {
+    mkdir -p "\${pkgdir}/usr"
+    cp -a "${staging}"/* "\${pkgdir}"/
+}
+APKBUILD
+
+echo "==> Building apk package..."
+
+cd "${abuild_dir}"
+# -F: force (allows running as root, skips fakeroot)
+# -d: disable dependency checking
+# -P: set PKGDEST (where the .apk is written)
+abuild -F checksum
+abuild -F -d -P "/tmp/clp-apk-out"
+
+# Copy the built package to the output directory
+find /tmp/clp-apk-out -name "*.apk" -exec cp {} "${output_dir}/" \;