Merge pull request #427 from linuxserver/code-server-r-s6v3

switch to hybrid (code-server-r)

root/etc/s6-overlay/s6-rc.d/init-mod-code-server-r-add-package/run

@@ -0,0 +1,17 @@
+#!/usr/bin/with-contenv bash
+
+if ! dpkg -l | grep gnupg > /dev/null; then
+    apt-get update && apt-get install -y gnupg
+fi
+
+if [ ! -f "/etc/apt/sources.list.d/r.list" ]; then
+    echo "**** Adding r packages to install list ****"
+    curl -s https://cloud.r-project.org/bin/linux/ubuntu/marutter_pubkey.asc | apt-key add -
+    source /etc/lsb-release
+    echo "deb https://cloud.r-project.org/bin/linux/ubuntu ${DISTRIB_CODENAME}-cran40/" > /etc/apt/sources.list.d/r.list
+    echo "\
+        build-essential \
+        r-base" >> /mod-repo-packages-to-install.list
+else
+    echo "**** r packages already installed, skipping ****"
+fi

root/etc/s6-overlay/s6-rc.d/init-mod-code-server-r-add-package/type

@@ -0,0 +1 @@
+oneshot

root/etc/s6-overlay/s6-rc.d/init-mod-code-server-r-add-package/up

@@ -0,0 +1 @@
+/etc/s6-overlay/s6-rc.d/init-mod-code-server-r-add-package/run