Merge pull request #426 from linuxserver/universal-tshoot-v3

Switch to hybrid (universal-tshoot)

root/etc/cont-init.d/95-apt-get

@@ -2,4 +2,4 @@
 
 if [ -f /usr/bin/apt ]; then
     apt-get update
-fi
+fi

root/etc/s6-overlay/s6-rc.d/init-mod-universal-tshoot/run

@@ -0,0 +1,17 @@
+#!/usr/bin/with-contenv bash
+
+## Ubuntu
+if [ -f /usr/bin/apt ]; then
+    echo "\
+        dnsutils \
+        net-tools \
+        iputils-ping \
+        traceroute" >> /mod-repo-packages-to-install.list
+
+fi
+# Alpine
+if [ -f /sbin/apk ]; then
+    echo "\
+        bind-tools \
+        net-tools" >> /mod-repo-packages-to-install.list
+fi

root/etc/s6-overlay/s6-rc.d/init-mod-universal-tshoot/type

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

root/etc/s6-overlay/s6-rc.d/init-mod-universal-tshoot/up

@@ -0,0 +1 @@
+/etc/s6-overlay/s6-rc.d/init-mod-tshoot/run