Find git repositories within each directory

internal/utils/path.go

@@ -0,0 +1,20 @@
+package utils
+
+import (
+	"os"
+	"strings"
+)
+
+func ExpandPath(path string) (string, error) {
+	if strings.HasPrefix(path, "~") {
+		home, err := os.UserHomeDir()
+
+		if err != nil {
+			return "", err
+		}
+
+		return strings.Replace(path, "~", home, 1), nil
+	}
+
+	return path, nil
+}

main.go

@@ -3,8 +3,11 @@ package main
 import (
 	"fmt"
 	"log"
+	"os/exec"
+	"strings"
 
 	"git-repo-updater/internal/config"
+	"git-repo-updater/internal/utils"
 )
 
 func main() {
@@ -14,5 +17,42 @@ func main() {
 		log.Fatalf("Failed to load config: %v", err)
 	}
 
-	fmt.Println("Directories:", cfg.Directories)
+	dirs := cfg.Directories
+
+	for _, dir := range dirs {
+		repositories, err := findRepositoriesInDirectory(dir)
+
+		if err != nil {
+		}
+
+		lines := strings.SplitSeq(repositories, "\n")
+
+		for repositoryPath := range lines {
+			fmt.Println(repositoryPath)
+		}
+	}
+}
+
+func findRepositoriesInDirectory(dir string) (string, error) {
+	expanded, err := utils.ExpandPath(dir)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	cmd := exec.Command("find", expanded, "-type", "d", "-name", ".git", "-mindepth", "1", "-maxdepth", "2")
+
+	output, err := cmd.CombinedOutput()
+
+	if err != nil {
+		if exitErr, ok := err.(*exec.ExitError); ok {
+			exitCode := exitErr.ExitCode()
+
+			fmt.Printf("Command failed with exit code %d\n", exitCode)
+		}
+
+		fmt.Printf("find failed on %s: %v\nOutput: %s\n", dir, err, string(output))
+	}
+
+	return string(output), nil
 }