add flag for number of refresh workers

comitium.go

@@ -161,8 +161,8 @@ func usage() {
 
 	fmt.Fprintf(os.Stderr, "\nGlobal Flags:\n%v", globalFs.FlagUsages())
 	// command-specific flags should be printed here
-	fmt.Fprintf(os.Stderr, "Flags for \"add\":\n%v\n", commands["add"].FlagUsages())
+	fmt.Fprintf(os.Stderr, "Flags for \"add\":\n%v", commands["add"].FlagUsages())
+	fmt.Fprintf(os.Stderr, "Flags for \"refresh\":\n%v\n", commands["refresh"].FlagUsages())
 
-	//fmt.Fprintf(os.Stderr, "To see specific details for a command, run \"%v <command> -h\"\n", os.Args[0])
 	fmt.Fprint(os.Stderr, "For more help, see comitium(1).\n")
 }

flags.go

@@ -40,8 +40,15 @@ var commands = map[string]*flag.FlagSet{
 var (
 	// add
 	addTypeFlag = commands["add"].BoolP(
-		"watch", "w", // long and shorthand flag
+		"watch", "w",
-		false, // default
+		false,
 		`Watch a page instead of adding it as a feed.`,
 	)
+
+	refreshWorkersFlag = commands["refresh"].IntP(
+		"num-workers", "n",
+		5, // 5 workers is a safe default
+		`Number of worker threads to use when refreshing feeds. More is faster,
+but there are more concurrent outgoing requests then.`,
+	)
 )