Fixes #75. Needs sudo. Prints number of updates and update list.

cmd.go

@@ -361,7 +361,15 @@ func handlePrint() (err error) {
 	case cmdArgs.existsArg("d", "defaultconfig"):
 		fmt.Printf("%#v", config)
 	case cmdArgs.existsArg("n", "numberupgrades"):
+		err = printNumberOfUpdates()
+		if err != nil {
+			return
+		}
 	case cmdArgs.existsArg("u", "upgrades"):
+		err = printUpdateList()
+		if err != nil {
+			return
+		}
 	case cmdArgs.existsArg("c", "complete"):
 		switch {
 		case cmdArgs.existsArg("f", "fish"):

print.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"os"
 	"strings"
 
 	rpc "github.com/mikkeloscar/aur"
@@ -263,3 +264,36 @@ func printMissing(missing stringSet) {
 	}
 	fmt.Println()
 }
+
+//todo make it less hacky
+func printNumberOfUpdates() error {
+	old := os.Stdout // keep backup of the real stdout
+	os.Stdout = nil
+	aurUp, repoUp, err := upList()
+	os.Stdout = old // restoring the real stdout
+	if err != nil {
+		return err
+	}
+	fmt.Println(len(aurUp) + len(repoUp))
+	return nil
+}
+
+//todo make it less hacky
+func printUpdateList() error {
+	old := os.Stdout // keep backup of the real stdout
+	os.Stdout = nil
+	aurUp, repoUp, err := upList()
+	os.Stdout = old // restoring the real stdout
+	if err != nil {
+		return err
+	}
+	for _, pkg := range repoUp {
+		fmt.Println(pkg.Name)
+	}
+
+	for _, pkg := range aurUp {
+		fmt.Println(pkg.Name)
+	}
+
+	return nil
+}