fixed virtualenv and requirements issue

install.sh

@@ -1,9 +1,49 @@
+"""
+    Uncomment lines before merge to confirm behavior is as expected.
+"""
+
 #!/usr/bin/env bash
 
-mkdir /etc/digitalocean-dns-updater
-cp config.yml /etc/digitalocean-dns-updater
-cp *.py /etc/digitalocean-dns-updater
-cp dodnsupdater.service /lib/systemd/system
-chmod 644 /lib/systemd/system/dodnsupdater.service
-systemctl daemon-reload
-systemctl enable dodnsupdater.service
+
+for i in "$@"
+do
+case $i in
+    --venv=*)
+    PREFIX="${i#*=}"
+
+    ;;
+
+esac
+done
+
+if [ "$PREFIX" = "" ]
+then
+        echo ""
+else
+        python3 -m virtualenv $PREFIX
+        ls | grep -v $PREFIX | xargs mv -t $PREFIX
+        cd $PREFIX
+        source bin/activate
+        python3 -m pip install -r requirements.txt
+
+
+        #mkdir /etc/digitalocean-dns-updater
+        #cp config.yml /etc/digitalocean-dns-updater
+        #cp *.py /etc/digitalocean-dns-updater
+
+        # ETC lines not changed! assuming ./lib is used
+        # - p0licat
+        #cp dodnsupdater.service ./lib/systemd/system
+        #chmod 644 ./lib/systemd/system/dodnsupdater.service
+
+        #systemctl daemon-reload
+        #systemctl enable dodnsupdater.service
+fi
+
+#mkdir /etc/digitalocean-dns-updater
+#cp config.yml /etc/digitalocean-dns-updater
+#cp *.py /etc/digitalocean-dns-updater
+#cp dodnsupdater.service /lib/systemd/system
+#chmod 644 /lib/systemd/system/dodnsupdater.service
+#systemctl daemon-reload
+#systemctl enable dodnsupdater.service