fix: Improve Zsh completion and help menu

Author: hyperupcall

completions/_bpm.zsh

@@ -12,6 +12,8 @@ _1st_arguments=(
 	'upgrade:[TASK] Upgrade a package'
 	'init:[box_name] [box_url] Initializes current folder for Vagrant usage'
 	'--version:Prints the Vagrant version information'
+	'--global:Switch to global dependency management'
+	'--help:Show help'
 )
 
 local expl

pkg/lib/util/util.sh

@@ -295,7 +295,7 @@ util.setup_mode() {
 util.show_help() {
 	cat <<"EOF"
 Usage:
-  bpm [--help|--version|--global|-g] <command> [args...]
+  bpm [--help|--version|--global] <command> [args...]
 
 Subcommands:
   init <shell>
@@ -304,6 +304,9 @@ Subcommands:
   add [--ssh] [--branch=<name>] [--all] [[site/]<package>[@ref]...]
     Installs a package from GitHub (or a custom site)
 
+  upgrade <package...>
+    Upgrades a package
+
   remove [--all] <package...>
     Uninstalls a package
 
@@ -317,9 +320,6 @@ Subcommands:
   package-path <package>
     Outputs the path for a package
 
-  upgrade <package...>
-    Upgrades a package
-
   complete <command...>
     Perform the completion for a particular subcommand. Used by the completion scripts