Add podman-sysext mangle script

build_library/sysext_mangle_flatcar-podman

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+set -euo pipefail
+rootfs="${1}"
+
+pushd "${rootfs}"
+
+rm -rf ./usr/{lib/debug/,lib64/cmake/,lib64/pkgconfig,include/,share/fish,share/aclocal,share/SLSA}
+
+mkdir -p ./usr/share/podman/etc
+cp -a ./etc/{fuse.conf,containers} ./usr/share/podman/etc/
+
+cat <<EOF >>./usr/lib/tmpfiles.d/podman.conf
+C /etc/containers - - - - /usr/share/podman/etc/containers
+C /etc/fuse.conf - - - - /usr/share/podman/etc/fuse.conf
+w /etc/subuid - - - - core:1065536:65536
+w /etc/subgid - - - - core:1065536:65536
+EOF
+
+mkdir -p ./usr/lib/systemd/network
+
+cat <<EOF >>./usr/lib/systemd/network/50-podman.network
+[Match]
+Type=bridge
+Name=podman*
+
+[Link]
+Unmanaged=yes
+EOF
+
+cat <<EOF >>./usr/lib/systemd/user/dbus.service
+[Unit]
+Description=D-Bus User Message Bus
+Documentation=man:dbus-daemon(1)
+Requires=dbus.socket
+
+[Service]
+ExecStart=/usr/bin/dbus-daemon --session --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
+ExecReload=/usr/bin/dbus-send --print-reply --session --type=method_call --dest=org.freedesktop.DBus / org.freedesktop.DBus.ReloadConfig
+EOF
+
+cat <<EOF >>./usr/lib/systemd/user/dbus.socket
+[Unit]
+Description=D-Bus User Message Bus Socket
+
+[Socket]
+ListenStream=%t/bus
+ExecStartPost=-/bin/systemctl --user set-environment DBUS_SESSION_BUS_ADDRESS=unix:path=%t/bus
+EOF
+
+mkdir -p ./usr/lib/systemd/user/sockets.target.wants
+ln -s ../dbus.socket ./usr/lib/systemd/user/sockets.target.wants/dbus.socket
+
+popd