refactor: seperate files, function and structs into seperate packages

dotfiles/dotfiles.go

@@ -0,0 +1,43 @@
+package dotfiles
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"system_setup_tool/internal/shell"
+)
+
+type DotfilesConfig struct {
+	Enable  bool   `mapstructure:"enable"`
+	GitRepo string `mapstructure:"git_repo"`
+}
+
+func SetupDotfiles(config DotfilesConfig) error {
+	if _, err := shell.ExecLookPath("git"); err != nil {
+		return fmt.Errorf("git ist nicht installiert")
+	}
+
+	if _, err := shell.ExecLookPath("stow"); err != nil {
+		return fmt.Errorf("gnu stow not installed")
+	}
+
+	dotfilesDir := filepath.Join(os.Getenv("HOME"), "dotfiles")
+
+	cmd := shell.ExecCommand("git", "clone", config.GitRepo, dotfilesDir)
+	if err := cmd.Run(); err != nil {
+		return fmt.Errorf("error cloning dotfiles: %v", err)
+	}
+
+	if err := os.Chdir(dotfilesDir); err != nil {
+		return fmt.Errorf("error changing into dotfiles directory: %v", err)
+	}
+
+	cmd = shell.ExecCommand("stow", ".", "--override='*'")
+	if err := cmd.Run(); err != nil {
+		log.Printf("error creating links: %v", err)
+	}
+	fmt.Printf("all linked properly\n")
+
+	return nil
+}