Quick and dirty build with podman on MacOS.

Dockerfile-build

@@ -0,0 +1,14 @@
+FROM rockylinux:9 as build
+
+WORKDIR /root/profile.d
+
+COPY ./ .
+
+RUN \
+    dnf -y update && \
+    dnf -y install rpmdevtools make
+
+#    dnf -y install dnf-plugins-core epel-release && \
+#    /usr/bin/crb enable && \
+
+RUN ./build.sh

Makefile

@@ -47,3 +47,14 @@ changelog:
 .PHONY: clean
 clean:
 	rm -rf dist
+
+
+.PHONY: podman_rpm
+podman_rpm:
+	podman buildx build -t podman_rpm_build -f Dockerfile-build .  # --platform linux/amd64
+	# Extract the RPMs from the container to ./dist/ locally.
+	if ! test -d dist; then mkdir dist; fi
+	podman run --rm -d --name=build localhost/podman_rpm_build /usr/bin/bash -c "trap : TERM INT; sleep infinity & wait"
+	podman cp build:/tmp/RPMS/. ./dist/
+	podman stop build
+	podman image rm localhost/podman_rpm_build

build.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+shopt -s nullglob dotglob
+
+if [ "$(uname -s)" != "Linux" ]; then echo "This script only works on Linux!" >&2; exit 254; fi
+set -x # debug
+
+. /etc/os-release
+ARCH="${ARCH:-$(uname -m)}" # 
+VER="${VER:-${VERSION_ID%%\.*}}" # 8
+DIST_PRE="${PLATFORM_ID##*:}" # el8
+DIST="${DIST:-${DIST_PRE%%[0-9]*}}" # el
+OUT_DIR="/tmp/RPMS"
+
+export LANG='en_US.UTF-8'
+export LANGUAGE="${LANG}"
+export LC_ALL="${LANG}"
+export LC_MEASUREMENT="${LANG}"
+export LC_MONETARY="${LANG}"
+export LC_NUMERIC="${LANG}"
+export LC_TIME="${LANG}"
+
+rm -rf "$OUT_DIR"
+mkdir "$OUT_DIR"
+
+#spectool -g ./*.spec
+#
+#if [ "$UID" == "0" ]; then
+#  dnf builddep -y --refresh ./*.spec
+#fi
+
+# make rpmsrc
+rpmbuild -ta ./dist/*.tar.xz \
+  --define "_sourcedir $PWD/dist" \
+  --define "_srcrpmdir $OUT_DIR" \
+  --define "_rpmdir $OUT_DIR" \
+
+mv "$OUT_DIR"/*/*.rpm "$OUT_DIR/"
+rmdir "$OUT_DIR"/* 2>/dev/null || true