Made groups to add user to when not Fedora into a variable with an if statement to add 'netdev' to that list if the OS is Debian, due to elementaryOS not having the 'netdev' group

elementary.sh

@@ -26,6 +26,7 @@ nano \
 network-manager \
 openssh-{client,server} \
 popularity-contest \
+rsync \
 zfs-initramfs \
 zstd\
 )
@@ -95,11 +96,25 @@ elif [[ "${1}" == '--skel' ]]; then
 		/etc/skel \
 			/mnt/etc
 elif [[ "${1}" == '--elementary' ]]; then
-	cp \
+	rsync \
+		-pogAXtlHrDx \
 		/etc/os-release \
 		/mnt/etc
 
-	cp \
+	rsync \
+		-pogAXtlHrDx \
 		/etc/apt/trusted.gpg.d/{elementary,patches}.key.asc \
 		/mnt/etc/apt/trusted.gpg.d/
+elif [[ "${1}" == '--network' ]]; then
+	mkdir \
+		-p \
+		/mnt/run/systemd/resolve/
+
+	mount \
+		--bind \
+		/run/systemd/resolve/stub-resolv.conf \
+		/mnt/run/systemd/resolve/stub-resolv.conf
+
+	touch \
+		/etc/NetworkManager/conf.d/10-globally-managed-devices.conf
 fi

home-fix-setup.sh

@@ -44,7 +44,7 @@ if [[ "${ID}" == 'fedora' ]]; then
 	printf \
 		"@reboot\tsudo -u ${username} '${baseDir}/finalize.sh'\n@reboot\t/usr/bin/home-fix.sh\n" | \
 		tee /var/spool/cron/root &> /dev/null
-elif [[ "${ID}" == 'debian' ]]; then
+elif [[ "${ID}" == 'debian' ]] || [[ "${ID}" == 'elementary' ]]; then
 	printf \
 		"@reboot\tsudo -u ${username} '${baseDir}/finalize.sh'\n@reboot\t/usr/bin/home-fix.sh\n" | \
 		tee /var/spool/cron/crontabs/root &> /dev/null

post-inst.sh

@@ -97,10 +97,16 @@ else
 		groupadd --gid 108 lpadmin
 	fi
 
+	groups='audio,cdrom,dip,floppy,plugdev,sudo,video,dialout,lpadmin'
+
+	if [[ "${ID}" == 'debian' ]]; then
+		groups+=',netdev'
+	fi
+
 	usermod \
 		-a \
 		-G \
-		audio,cdrom,dip,floppy,netdev,plugdev,sudo,video,dialout,lpadmin \
+		${groups} \
 		${username}
 fi
 

pre-inst.sh

@@ -74,6 +74,8 @@ fi
 
 if [[ "${ID}" == 'debian' ]]; then
 	"${baseDir}/debian.sh" --network-interfaces
+elif [[ "${ID}" == 'elementary' ]]; then
+	"${baseDir}/elementary.sh" --network
 fi
 
 if [[ "${ID}" == 'elementary' ]]; then