Ensure pacman.conf is copied to the new root

Dockerfile.aarch64

@@ -5,6 +5,7 @@ WORKDIR /archlinux
 RUN mkdir -p /archlinux/rootfs
 
 COPY rootfs/alarm/etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist
+COPY rootfs/archlinux/etc/pacman.conf /etc/pacman.conf
 COPY pacstrap-docker /archlinux/
 
 RUN ./pacstrap-docker /archlinux/rootfs \

Dockerfile.x86_64

@@ -5,6 +5,7 @@ WORKDIR /archlinux
 RUN mkdir -p /archlinux/rootfs
 
 COPY rootfs/archlinux/etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist
+COPY rootfs/archlinux/etc/pacman.conf /etc/pacman.conf
 COPY pacstrap-docker /archlinux/
 
 RUN ./pacstrap-docker /archlinux/rootfs \

pacstrap-docker

@@ -15,9 +15,11 @@ fi
 [[ -d $newroot ]] || die "%s is not a directory" "$newroot"
 
 echo 'Creating install root at %s' "$newroot"
-mkdir -m 0755 -p "$newroot"/var/{cache/pacman/pkg,lib/pacman,log} "$newroot"/{dev,run,etc}
+mkdir -m 0755 -p "$newroot"/var/{cache/pacman/pkg,lib/pacman,log} "$newroot"/{dev,run,etc} "$newroot"/etc/pacman.d
 mkdir -m 1777 -p "$newroot"/tmp
 mkdir -m 0555 -p "$newroot"/{sys,proc}
+cp -a /etc/pacman.conf "$newroot/etc/pacman.conf"
+cp -a /etc/pacman.d/mirrorlist "$newroot/etc/pacman.d/mirrorlist"
 
 echo 'Creating /dev/null in new root'
 mknod "$newroot/dev/null" c 1 3