v install: install multiple modules in one command: 'v install m1 m2 m3 …'

compiler/main.v

@@ -126,11 +126,12 @@ fn main() {
 		return 
 	} 
 	if 'install' in args {
-		mod := args.last() 
-		if args.len != 3 || mod.len < 2 {
-			println('usage: v install [module]')	 
+		if args.len <= 3 {
+			println('usage: v install [module] [module] [...]')
 			return 
-		} 
+		}
+
+		names := args.slice(2, args.len)
 		vroot := os.dir(os.executable()) 
 		vget := '$vroot/tools/vget' 
 		if true {
@@ -140,13 +141,12 @@ fn main() {
 			_ := os.exec('$vexec vget.v') or {
 				panic(err)
 			}
-			//println('Done.') 
 		}
-		println('Installing module ${mod}...') 
-		_ := os.exec('$vget $mod') or {
-			panic(err)
+
+		_ := os.exec('$vget ' + names.join(' ')) or {
+				panic(err)
 		}
-		return 
+		return
 	} 
 	// TODO quit if the compiler is too old 
 	// u := os.file_last_mod_unix('v')

tools/vget.v

@@ -19,14 +19,8 @@ struct Mod {
 }
 
 fn main() {
-	if os.args.len != 2 {
-		println('usage: vget [module]') 
-		return 
-	} 
-	name := os.args.last() 
-	s := http.get_text(url + '/jsmod/$name') 
-	mod := json.decode(Mod, s) or { 
-		println('Error. Make sure you are online.') 
+	if os.args.len <= 1 {
+		println('usage: vget module [module] [module] [...]')
 		return
 	} 
 	home := os.home_dir() 
@@ -39,5 +33,27 @@ fn main() {
 	_ := os.exec('git -C "$home/.vmodules" clone --depth=1 $mod.url ' + mod.name.replace('.', '/')) or {
 		panic(err)
 	}
-	println(s) 
-} 
+
+	home := os.home_dir()
+	if !os.dir_exists(home + '/.vmodules') {
+		println('Creating $home/.vmodules/ ...')
+		os.chdir(home)
+		os.mkdir('.vmodules')
+		println('Done.')
+	}
+
+	names := os.args.slice(1, os.args.len)
+	for name in names {
+		s := http.get_text(url + '/jsmod/$name')
+		mod := json.decode(Mod, s) or {
+			println('Error. Make sure you are online.')
+			return
+		}
+
+		println('Installing module $name...')
+		_ := os.exec('git -C $home/.vmodules clone --depth=1 $mod.url ' + mod.name.replace('.', '/')) or {
+			panic(err)
+		}
+		println(s)
+	}
+}