wip

template.sh

@@ -6,6 +6,30 @@
     command -v "$@" >/dev/null 2>&1
   }
 
+  # ─< package variable >───────────────────────────────────────────────────────────────────
+  unset PACKAGE
+
+  # ─< argument list variables >────────────────────────────────────────────────────────────
+  unset silent
+
+  sleep 0.1
+
+  PACKAGE=packagename
+  if command_exists "$PACKAGE"; then
+    echo_warning "$PACKAGE is already installed!"
+    echo_warning "Exiting now!"
+    exit 69
+  fi
+
+  # ─< parse arguments and get variable contents >──────────────────────────────────────────
+  for arg in "$@"; do
+    case "$arg" in
+    --silent | -s)
+      silent=true
+      ;;
+    esac
+  done
+
   # WHY:
   # This import will give you the following variables:
   # _sudo="sudo -E" <- only if non root user
@@ -31,8 +55,8 @@
     fi
 
     source "$import"
-    sleep 0.2
+    sleep 0.1
-    rm "$import"
+    rm -f "$import"
   }
 
   getDependencies() {
@@ -65,15 +89,25 @@
     declare -n pkgArray="${deps[$distro]}"
 
     case "$distro" in
-    debian | ubuntu | arch | fedora | alpine | opensuse) checkAndInstall "${pkgArray[@]}" ;;
+    debian | ubuntu | arch | fedora | alpine | opensuse)
+      checkAndInstall "${pkgArray[@]}"
+      ;;
     *)
-      echo_error "Cannot install for $distro"
+      echo_error "There are no dependencies to install for $distro"
       return 69
       ;;
     esac
   }
 
   main() {
+    if $silent; then
+      echo_warning "Executing script silently!"
+    fi
+
+    if ! getDependencies; then
+      echo_error "Error when installing dependencies.."
+    fi
+
     case "$distro" in
     arch)
       echo "arch"
@@ -100,22 +134,7 @@
     esac
   }
 
-  setup() {
+  if getImports; then
-    if getImports; then
+    main
-      case "$@" in
-      --silent | -s)
-        silent=true
-        echo_warning "Running script silently!"
-        ;;
-      *)
-        silent=false
-        ;;
-      esac
-    fi
-  }
-
-  if setup; then
-    getDependencies
-    main </dev/tty
   fi
 }