Refactor container build and installation pipeline to use configurable Makefile parameters (e.g. DISTROS, base images) and propagate them through all build, install, and test scripts

scripts/installation/centos/package.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "[centos/package] Setting up rpmbuild directories..."
+mkdir -p /root/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
+
+echo "[centos/package] Extracting version from package-manager.spec..."
+version="$(grep -E '^Version:' package-manager.spec | awk '{print $2}')"
+if [[ -z "${version}" ]]; then
+  echo "ERROR: Version missing!"
+  exit 1
+fi
+
+srcdir="package-manager-${version}"
+echo "[centos/package] Preparing source tree: ${srcdir}"
+rm -rf "/tmp/${srcdir}"
+mkdir -p "/tmp/${srcdir}"
+cp -a . "/tmp/${srcdir}/"
+
+echo "[centos/package] Creating source tarball..."
+tar czf "/root/rpmbuild/SOURCES/${srcdir}.tar.gz" -C /tmp "${srcdir}"
+
+echo "[centos/package] Copying SPEC..."
+cp package-manager.spec /root/rpmbuild/SPECS/
+
+echo "[centos/package] Running rpmbuild..."
+cd /root/rpmbuild/SPECS
+rpmbuild -bb package-manager.spec
+
+echo "[centos/package] Installing generated RPM (local, offline, forced reinstall)..."
+rpm_path="$(find /root/rpmbuild/RPMS -name 'package-manager-*.rpm' | head -n1)"
+if [[ -z "${rpm_path}" ]]; then
+  echo "ERROR: RPM not found!"
+  exit 1
+fi
+
+# ------------------------------------------------------------
+# Forced reinstall, always overwrite old version
+# ------------------------------------------------------------
+echo "[centos/package] Forcing reinstall via rpm -Uvh --replacepkgs --force"
+rpm -Uvh --replacepkgs --force "${rpm_path}"
+
+# Keep structure: remove temp directory afterwards
+rm -rf "/tmp/${srcdir}"
+
+echo "[centos/package] Done."