updated spm package

spm/utils.go

@@ -1,71 +1,26 @@
-package spm
-
-import (
-	"fmt"
-	"os"
-	"path/filepath"
-	"runtime"
-)
-
-func GetTempDownloadDir() string {
-	dir, err := os.MkdirTemp("", "spm_downloads")
-	if err != nil {
-		panic(err)
-	}
-	return dir
-}
-
-func SetDownloadFolder(customDir string) (string, error) {
-	if err := os.MkdirAll(customDir, os.ModePerm); err != nil {
-		return "", err
-	}
-	return customDir, nil
-}
-
-// GetDefaultInstallDir generates the default installation directory based on the OS and environment.
-func GetDefaultInstallDir() (string, error) {
-	var installDir string
-
-	switch runtime.GOOS {
-	case "windows":
-		// Use %APPDATA% or Program Files on Windows
-		appData := os.Getenv("APPDATA")
-		if appData != "" {
-			installDir = filepath.Join(appData, "Spitfire")
-		} else {
-			programFiles := os.Getenv("ProgramFiles")
-			if programFiles == "" {
-				return "", fmt.Errorf("unable to determine default install directory on Windows")
-			}
-			installDir = filepath.Join(programFiles, "Spitfire")
-		}
-
-	case "darwin":
-		// Use ~/Library/Application Support on macOS
-		homeDir, err := os.UserHomeDir()
-		if err != nil {
-			return "", fmt.Errorf("unable to determine home directory on macOS: %w", err)
-		}
-		installDir = filepath.Join(homeDir, "Library", "Application Support", "Spitfire")
-
-	case "linux":
-		// Use ~/.local/share or /opt on Linux
-		homeDir, err := os.UserHomeDir()
-		if err != nil {
-			return "", fmt.Errorf("unable to determine home directory on Linux: %w", err)
-		}
-		installDir = filepath.Join(homeDir, ".local", "share", "Spitfire")
-
-	default:
-		return "", fmt.Errorf("unsupported operating system: %s", runtime.GOOS)
-	}
-
-	return installDir, nil
-}
-
-// DecompressPackage determines the appropriate package format and decompresses it.
-func DecompressPackage(downloadDir string) (string, error) {
-	osName := runtime.GOOS
-	packagePath := filepath.Join(downloadDir, fmt.Sprintf("browser-amd64-nightly-%s.tar.gz", osName)) // If file naming changes this will break!!
-	return DecompressToTemp(packagePath)
-}
+package spm
+
+import (
+	"os/exec"
+)
+
+// persistSystemEnvVar sets a persistent environment variable on Windows using the `setx` command.
+// Perhaps support for other systems would be needed, but all of this "Launcher" thingy is probably going to end up
+// being Windows-specific, as other superior systems have their own package managers.
+func persistSystemEnvVar(key, value string) error {
+	cmd := exec.Command("cmd", "/C", "setx", key, value)
+	err := cmd.Run()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// IsMatchingEntry checks if a package entry matches the requested specs
+func IsMatchingEntry(e AppIndexEntry, name, release, arch, osName, pkgType string) bool {
+	return e.Name == name &&
+		e.Release == release &&
+		e.Arch == arch &&
+		e.OS == osName &&
+		e.Type == pkgType
+}