Autocreate ~/.rbenv skeleton in rbenv-init

libexec/rbenv-init

@@ -50,6 +50,9 @@ if [ -z "$print" ]; then
   exit 1
 fi
 
+mkdir -p "${HOME}/.rbenv/{shims,versions}"
+[ -e "${HOME}/.rbenv/default" ] || echo system > "${HOME}/.rbenv/default"
+
 echo 'export PATH="${HOME}/.rbenv/shims:${PATH}"'
 
 if [ "$shell" = "bash" ]; then