ad-server: support samba version suffix as a container build arg

Signed-off-by: John Mulligan <[email protected]>

Author: phlogistonjohn

images/ad-server/Containerfile

@@ -11,12 +11,15 @@ RUN SAMBACC_DISTNAME=latest \
 
 FROM registry.fedoraproject.org/fedora:35
 ARG INSTALL_PACKAGES_FROM=default
+ARG SAMBA_VERSION_SUFFIX=""
 ARG SAMBA_SPECIFICS=
 
 MAINTAINER John Mulligan <[email protected]>
 
 COPY install-packages.sh /usr/local/bin/install-packages.sh
-RUN /usr/local/bin/install-packages.sh "$INSTALL_PACKAGES_FROM"
+RUN /usr/local/bin/install-packages.sh \
+    "${INSTALL_PACKAGES_FROM}" \
+    "${SAMBA_VERSION_SUFFIX}"
 
 COPY --from=builder \
     /srv/dist/latest \