WIP - Add install package

Client/Package/CreatePackage.go

@@ -129,6 +129,8 @@ func CreatePackage() error {
 		Filesystem.CopyFile(file, filepath.Join(tmpDir, file))
 	}
 
+	// TODO: Add dependancy management here
+
 	e = Archive.TarGzip(tmpDir, pkgNameVersion+".tar.gz")
 	if e != nil {
 		return e

Client/Package/InstallPackage.go

@@ -0,0 +1,29 @@
+package Package
+
+import (
+	"errors"
+	"fmt"
+	"os"
+
+	"PackageManager/Archive"
+)
+
+func InstallPackage(pkgs []string) error {
+	var (
+		pkg string
+		e   error
+	)
+
+	for _, pkg = range pkgs {
+		_, e = os.Stat(pkg)
+		if os.IsNotExist(e) {
+			return errors.New(fmt.Sprintf("Invalid package %s", pkg))
+		}
+	}
+
+	for _, pkg = range pkgs {
+		e = Archive.UntarGzip(pkg, "/")
+	}
+
+	return nil
+}

Client/main.go

@@ -8,18 +8,27 @@ import (
 	"PackageManager/Client/Filesystem"
 	"PackageManager/Client/Package"
 	"PackageManager/Color"
+	"PackageManager/Helper"
 )
 
 func main() {
 	var (
-		updateFilesytemFlag     bool
-		updateFilesytemFlagLong bool
-		createPackageFlag       bool
-		createPackageFlagLong   bool
+		updateFilesytemFlag         bool
+		updateFilesytemFlagLong     bool
+		createPackageFlag           bool
+		createPackageFlagLong       bool
+		installLocalPackageFlag     bool
+		installLocalPackageFlagLong bool
 
 		e error
 	)
 
+	e = Helper.CheckRoot()
+	if e != nil {
+		fmt.Println(Color.Fatal(e))
+		return
+	}
+
 	e = Database.InitDB()
 	if e != nil {
 		panic(e)
@@ -27,10 +36,13 @@ func main() {
 
 	// Initialise flags
 	flag.BoolVar(&updateFilesytemFlag, "Uf", false, "Update filesystem database")
-	flag.BoolVar(&updateFilesytemFlagLong, "update-filesystem", false, "Update filesystem database")
+	flag.BoolVar(&updateFilesytemFlagLong, "-update-filesystem", false, "Update filesystem database")
 
 	flag.BoolVar(&createPackageFlag, "Cp", false, "Create package")
-	flag.BoolVar(&createPackageFlagLong, "create-package", false, "Create Package")
+	flag.BoolVar(&createPackageFlagLong, "-create-package", false, "Create Package")
+
+	flag.BoolVar(&installLocalPackageFlag, "Il", false, "Install local package")
+	flag.BoolVar(&installLocalPackageFlagLong, "-install-local-package", false, "Install local Package")
 
 	flag.Parse()
 
@@ -51,6 +63,14 @@ func main() {
 		return
 	}
 
+	if installLocalPackageFlag || installLocalPackageFlagLong {
+		e = Package.InstallPackage(flag.Args())
+		if e != nil {
+			panic(e)
+		}
+		return
+	}
+
 	flag.Usage()
 	fmt.Println(Color.Fatal("Nothing to do"))
 

Helper/CheckRoot.go

@@ -0,0 +1,42 @@
+package Helper
+
+import (
+	"errors"
+	"os/exec"
+	"strconv"
+)
+
+func CheckRoot() error {
+	var (
+		cmd    *exec.Cmd
+		output []byte
+		i      int
+		e      error
+	)
+
+	// TODO Make cross platform
+
+	cmd = exec.Command("id", "-u")
+	output, e = cmd.Output()
+
+	if e != nil {
+		return e
+	}
+
+	// output has trailing \n
+	// need to remove the \n
+	// otherwise it will cause error for strconv.Atoi
+	// log.Println(output[:len(output)-1])
+
+	// 0 = root, 501 = non-root user
+	i, e = strconv.Atoi(string(output[:len(output)-1]))
+	if e != nil {
+		return e
+	}
+
+	if i != 0 {
+		return errors.New("Please run as root")
+	}
+
+	return nil
+}