refactor argument parsing

install.sh

@@ -2,7 +2,7 @@
 set -e
 
 # install.sh
-#	This script installs my basic setup for a debian laptop
+#	This script installs my basic setup for a debian machine
 
 USERNAME=fschl
 
@@ -68,7 +68,6 @@ base_applications() {
 }
 
 install_server_base() {
-
     echo "update and installing server base tools..."
 
     DEBIAN_FRONTEND=noninteractive
@@ -244,7 +243,6 @@ install_golang() {
         go get golang.org/x/tools/cmd/goimports
         go get golang.org/x/tools/cmd/gorename
 
-        go get github.com/FiloSottile/vendorcheck
         go get github.com/nsf/gocode
         #done
     )
@@ -310,36 +308,39 @@ main() {
     local cmd=$1
 
     if [[ -z "$cmd" ]]; then
-        echo "Usage: \n base | desktop | server | dotfiles | compose | go"
+        echo "Usage: \n base | desktop | server | dotfiles | update-docker | go"
     fi
 
-    # TODO: refactor to case
-    if [[ $cmd == "compose" ]]; then
-        install_compose
-    elif [[ $cmd == "base" ]]; then
+    case "$cmd" in
+        base)
             apt_sources
-
             base_applications
-
             install_docker
-
+            sudo groupadd docker
+            sudo adduser -aG docker "$USERNAME"
             install_compose
-    elif [[ $cmd == "docker" ]]; then
-        install_docker
-    elif [[ $cmd == "dotfiles" ]]; then
+            ;;
+        dotfiles)
             get_dotfiles
-    elif [[ $cmd == "go" ]]; then
-        install_golang
-    elif [[ $cmd == "goprojects" ]]; then
-        get_public_go_projects
-    elif [[ $cmd == "server" ]]; then
+            ;;
+        server)
             install_server_base
-    elif [[ $cmd == "desktop" ]]; then
+            ;;
+        desktop)
             install_i3
             if [ -f "./get_private_stuff.sh" ]; then
                 source get_private_stuff.sh
             fi
-    fi
+            ;;
+        update-docker)
+            # install_docker
+            install_compose
+            ;;
+        go)
+            install_golang
+            get_public_go_projects
+            ;;
+    esac
 }
 
 main "$@"