Last push before GUI redo

Going to start switching to another GUI library

main.go

@@ -2,6 +2,8 @@ package main
 
 import (
 	"fmt"
+	"os"
+	"os/exec"
 
 	"github.com/nelsam/gxui"
 	"github.com/nelsam/gxui/drivers/gl"
@@ -10,7 +12,7 @@ import (
 )
 
 const (
-	version = "0.1.1.1"
+	version = "1.1.0.0"
 	defIni  = "[basic]\ntheme=dk"
 )
 
@@ -27,25 +29,35 @@ var (
 )
 
 func main() {
-	stat := versionDL()
+	updated := false
+	os.MkdirAll("PortableApps/LinuxPACom", 0777)
+	stat, err := versionDL()
 	if stat {
 		res := getVersionFileInfo()
 		if res != "Error!" {
-			stat = checkForUpdate(res)
+			stat, err = checkForUpdate(res)
 			if stat {
 				downloadUpdate(res)
+				updated = true
 			} else {
-				fmt.Println("Failed DL")
+				fmt.Println(err)
 			}
 		} else {
 			fmt.Println("Failed Version File Info")
 		}
 	} else {
-		fmt.Println("Failed Version DL")
+		fmt.Println(err)
+	}
+	if updated {
+		cmd := exec.Command("./LinuxPA")
+		cmd.Stdin = os.Stdin
+		cmd.Stdout = os.Stdout
+		cmd.Start()
+	} else {
+		master = make(map[string][]app)
+		linmaster = make(map[string][]app)
+		gl.StartDriver(appMain)
 	}
-	master = make(map[string][]app)
-	linmaster = make(map[string][]app)
-	gl.StartDriver(appMain)
 }
 
 func appMain(dri gxui.Driver) {

update.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"bufio"
-	"fmt"
 	"io"
 	"net/http"
 	"os"
@@ -19,15 +18,12 @@ const (
 //For some of the code
 
 //Returns if success
-func versionDL() bool {
-	versionFile, err := os.Open("PortableApps/LinuxPACom/Version")
+func versionDL() (bool, error) {
+	versionFile, err := os.Create("PortableApps/LinuxPACom/Version")
 	if err != nil {
-		versionFile, err = os.Create("PortableApps/LinuxPACom/Version")
-		if err != nil {
-			return false
-		}
+		return false, err
 	}
-	defer versionFile.Close()
+	versionFile.Chmod(0777)
 	check := http.Client{
 		CheckRedirect: func(r *http.Request, via []*http.Request) error {
 			r.URL.Opaque = r.URL.Path
@@ -35,15 +31,14 @@ func versionDL() bool {
 		},
 	}
 	response, err := check.Get(versionURL)
-	defer response.Body.Close()
 	if err != nil {
-		return false
+		return false, err
 	}
 	_, err = io.Copy(versionFile, response.Body)
 	if err != nil {
-		return false
+		return false, err
 	}
-	return true
+	return true, nil
 }
 
 func getVersionFileInfo() string {
@@ -56,7 +51,7 @@ func getVersionFileInfo() string {
 	return string(out)
 }
 
-func checkForUpdate(new string) bool {
+func checkForUpdate(new string) (bool, error) {
 	curSlice := strings.Split(version, ".")
 	newSlice := strings.Split(new, ".")
 	curNums := make([]int, 4)
@@ -69,26 +64,28 @@ func checkForUpdate(new string) bool {
 		num, err = strconv.Atoi(newSlice[i])
 		if err == nil {
 			newNums[i] = num
+		} else {
+			return false, err
 		}
 		if newNums[i] > curNums[i] {
-			return true
+			return true, nil
 		}
 	}
-	return false
+	return false, nil
 }
 
-func downloadUpdate(newVersion string) bool {
+func downloadUpdate(newVersion string) (bool, error) {
 	url := strings.Replace(downloadURL, "XXX", newVersion, -1)
 	err := os.Rename("LinuxPA", ".LinuxPA.old")
 	if err != nil {
-		fmt.Println(err)
-		return false
+		return false, err
 	}
 	fil, err := os.Create("LinuxPA")
+	fil.Chmod(0777)
 	defer fil.Close()
 	if err != nil {
 		os.Rename(".LinuxPA.old", "LinuxPA")
-		return false
+		return false, err
 	}
 	check := http.Client{
 		CheckRedirect: func(r *http.Request, via []*http.Request) error {
@@ -97,13 +94,13 @@ func downloadUpdate(newVersion string) bool {
 		},
 	}
 	re, err := check.Get(url)
-	defer re.Body.Close()
 	if err != nil {
-		return false
+		return false, err
 	}
+	defer re.Body.Close()
 	_, err = io.Copy(fil, re.Body)
 	if err != nil {
-		return false
+		return false, err
 	}
-	return true
+	return true, nil
 }

wine.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"io"
+	"net/http"
+	"os"
+
+	"github.com/mholt/archiver"
+)
+
+const (
+	wineURL = "https://www.playonlinux.com/wine/binaries/linux-amd64/PlayOnLinux-wine-2.5-linux-amd64.pol"
+)
+
+func downloadWine() (bool, error) {
+	wineTar, err := os.Create("PortableApps/LinuxPACom/wine2.5.tar.bz2")
+	if err != nil {
+		return false, err
+	}
+	wineTar.Chmod(0777)
+	defer wineTar.Close()
+	check := http.Client{
+		CheckRedirect: func(r *http.Request, via []*http.Request) error {
+			r.URL.Opaque = r.URL.Path
+			return nil
+		},
+	}
+	resp, err := check.Get(wineURL)
+	if err != nil {
+		return false, err
+	}
+	defer resp.Body.Close()
+	_, err = io.Copy(wineTar, resp.Body)
+	if err != nil {
+		return false, err
+	}
+	err = archiver.TarBz2.Open("PortableApps/LinuxPACom/wine2.5.tar.bz2", "PortableApps/LinuxPACom/Wine")
+	if err != nil {
+		return false, err
+	}
+	return true, nil
+}