uninstall: add -user option

related issue: #37

adb/device.go

@@ -223,6 +223,20 @@ func (d *Device) Uninstall(pkg string) error {
 	return errMsg
 }
 
+func (d *Device) UninstallUser(pkg, user string) error {
+	cmd := d.AdbCmd("uninstall", "--user", user, pkg)
+	output, err := cmd.CombinedOutput()
+	line := getResultLine(output)
+	if err == nil && line == "Success" {
+		return nil
+	}
+	errMsg := parseError(getFailureCode(deleteFailureRegex, line))
+	if err != nil {
+		return fmt.Errorf("%v: %v", err, errMsg)
+	}
+	return errMsg
+}
+
 type Package struct {
 	ID                string
 	VersCode          int

uninstall.go

@@ -6,6 +6,7 @@ package main
 import (
 	"errors"
 	"fmt"
+	"strconv"
 )
 
 var cmdUninstall = &Command{
@@ -13,6 +14,10 @@ var cmdUninstall = &Command{
 	Short:     "Uninstall an app",
 }
 
+var (
+	uninstallUser = cmdUninstall.Fset.String("user", "all", "Uninstall for specified user <USER_ID|current|all>")
+)
+
 func init() {
 	cmdUninstall.Run = runUninstall
 }
@@ -25,6 +30,13 @@ func runUninstall(args []string) error {
 	if err != nil {
 		return err
 	}
+	if *uninstallUser == "current" {
+		uid, err := device.CurrentUserId()
+		if err != nil {
+			return err
+		}
+		*uninstallUser = strconv.Itoa(uid)
+	}
 	inst, err := device.Installed()
 	if err != nil {
 		return err
@@ -33,7 +45,11 @@ func runUninstall(args []string) error {
 		var err error
 		fmt.Printf("Uninstalling %s\n", id)
 		if _, installed := inst[id]; installed {
-			err = device.Uninstall(id)
+			if *uninstallUser == "all" {
+				err = device.Uninstall(id)
+			} else {
+				err = device.UninstallUser(id, *uninstallUser)
+			}
 		} else {
 			err = errors.New("not installed")
 		}