Move sysusers call back to Dockerfile

Resolves #52. Added small tests for user/group counts.

.gitlab-ci.yml

@@ -151,6 +151,8 @@ image:publish:secure:
       - tags
 
 .test-script: &test-script
+  - test "$(cat /etc/group | wc -l)" -gt 10
+  - test "$(cat /etc/passwd | wc -l)" -gt 10
   - pacman -Sy
   - pacman -Qqk
   - pacman -Syu --noconfirm docker grep

Dockerfile.template

@@ -22,6 +22,7 @@ FROM scratch AS root
 COPY --from=verify /rootfs/ /
 
 RUN ldconfig
+RUN sh -c 'ls usr/lib/sysusers.d/*.conf | /usr/share/libalpm/scripts/systemd-hook sysusers '
 
 ENV LANG=en_US.UTF-8
 CMD ["/usr/bin/bash"]

Makefile

@@ -19,7 +19,6 @@ define rootfs
 
 fakechroot -- fakeroot -- chroot $(BUILDDIR) update-ca-trust
 	fakechroot -- fakeroot -- chroot $(BUILDDIR) locale-gen
-	fakechroot -- fakeroot -- chroot $(BUILDDIR) sh -c 'ls usr/lib/sysusers.d/*.conf | /usr/share/libalpm/scripts/systemd-hook sysusers'
 	fakechroot -- fakeroot -- chroot $(BUILDDIR) sh -c 'pacman-key --init && pacman-key --populate archlinux && bash -c "rm -rf etc/pacman.d/gnupg/{openpgp-revocs.d/,private-keys-v1.d/,pubring.gpg~,gnupg.S.}*"'
 
 	ln -fs /usr/lib/os-release $(BUILDDIR)/etc/os-release