feat: Add package manager guard as the orchestrator

guard/guard.go

@@ -0,0 +1,64 @@
+package guard
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"os/exec"
+
+	"github.com/safedep/dry/log"
+	"github.com/safedep/pmg/analyzer"
+	"github.com/safedep/pmg/packagemanager"
+)
+
+type PackageManagerGuardConfig struct{}
+
+type packageManagerGuard struct {
+	config          PackageManagerGuardConfig
+	analyzers       []analyzer.Analyzer
+	packageManager  packagemanager.PackageManager
+	packageResolver packagemanager.PackageResolver
+}
+
+func NewPackageManagerGuard(config PackageManagerGuardConfig,
+	packageManager packagemanager.PackageManager,
+	packageResolver packagemanager.PackageResolver,
+	analyzers []analyzer.Analyzer) (*packageManagerGuard, error) {
+	return &packageManagerGuard{
+		analyzers:       analyzers,
+		packageManager:  packageManager,
+		packageResolver: packageResolver,
+		config:          config,
+	}, nil
+}
+
+func (g *packageManagerGuard) Run(ctx context.Context, args []string) error {
+	log.Debugf("Running package manager guard with args: %v", args)
+
+	parsedCommand, err := g.packageManager.ParseCommand(args)
+	if err != nil {
+		return fmt.Errorf("failed to parse command: %w", err)
+	}
+
+	if !parsedCommand.HasInstallTarget() {
+		log.Debugf("No install target found, continuing execution")
+		return g.continueExecution(ctx, parsedCommand)
+	}
+
+	log.Debugf("Install targets: %v", parsedCommand.InstallTargets)
+
+	return nil
+}
+
+func (g *packageManagerGuard) continueExecution(ctx context.Context, pc *packagemanager.ParsedCommand) error {
+	if len(pc.Command.Exe) == 0 {
+		return fmt.Errorf("no command to execute")
+	}
+
+	cmd := exec.CommandContext(ctx, pc.Command.Exe, pc.Command.Args...)
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	return cmd.Run()
+}