add initial git support

cmd/diff/main.go

@@ -0,0 +1,102 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"os/exec"
+	"path/filepath"
+)
+
+func main() {
+	// Create a temporary directory
+	tempDir, err := os.MkdirTemp("", "git-split-diffs")
+	if err != nil {
+		fmt.Printf("Error creating temp directory: %v\n", err)
+		os.Exit(1)
+	}
+	defer func() {
+		fmt.Printf("Cleaning up temporary directory: %s\n", tempDir)
+		os.RemoveAll(tempDir)
+	}()
+	fmt.Printf("Created temporary directory: %s\n", tempDir)
+
+	// Clone the repository with minimum depth
+	fmt.Println("Cloning git-split-diffs repository with minimum depth...")
+	cmd := exec.Command("git", "clone", "--depth=1", "https://github.com/kujtimiihoxha/git-split-diffs", tempDir)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if err := cmd.Run(); err != nil {
+		fmt.Printf("Error cloning repository: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Run npm install
+	fmt.Println("Running npm install...")
+	cmdNpmInstall := exec.Command("npm", "install")
+	cmdNpmInstall.Dir = tempDir
+	cmdNpmInstall.Stdout = os.Stdout
+	cmdNpmInstall.Stderr = os.Stderr
+	if err := cmdNpmInstall.Run(); err != nil {
+		fmt.Printf("Error running npm install: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Run npm run build
+	fmt.Println("Running npm run build...")
+	cmdNpmBuild := exec.Command("npm", "run", "build")
+	cmdNpmBuild.Dir = tempDir
+	cmdNpmBuild.Stdout = os.Stdout
+	cmdNpmBuild.Stderr = os.Stderr
+	if err := cmdNpmBuild.Run(); err != nil {
+		fmt.Printf("Error running npm run build: %v\n", err)
+		os.Exit(1)
+	}
+
+	destDir := filepath.Join(".", "internal", "assets", "diff")
+	destFile := filepath.Join(destDir, "index.mjs")
+
+	// Make sure the destination directory exists
+	if err := os.MkdirAll(destDir, 0o755); err != nil {
+		fmt.Printf("Error creating destination directory: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Copy the file
+	srcFile := filepath.Join(tempDir, "build", "index.mjs")
+	fmt.Printf("Copying %s to %s\n", srcFile, destFile)
+	if err := copyFile(srcFile, destFile); err != nil {
+		fmt.Printf("Error copying file: %v\n", err)
+		os.Exit(1)
+	}
+
+	fmt.Println("Successfully completed the process!")
+}
+
+// copyFile copies a file from src to dst
+func copyFile(src, dst string) error {
+	sourceFile, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer sourceFile.Close()
+
+	destFile, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer destFile.Close()
+
+	_, err = io.Copy(destFile, sourceFile)
+	if err != nil {
+		return err
+	}
+
+	// Make sure the file is written to disk
+	err = destFile.Sync()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}