tidy and readme

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"flag"
 	"fmt"
+	"log"
 	"os"
 	"path/filepath"
 	"strings"
@@ -11,11 +12,48 @@ import (
 )
 
 const (
-	green = "\033[32m"
-	red   = "\033[31m"
-	reset = "\033[0m"
+	defaultDir = "."
+	green      = "\033[32m"
+	red        = "\033[31m"
+	reset      = "\033[0m"
 )
 
+func main() {
+	flag.Parse()
+	args := flag.Args()
+
+	dir := defaultDir
+	if len(args) > 0 {
+		dir = args[0]
+	}
+
+	path, err := expandTilde(dir)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	entries, err := os.ReadDir(path)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, d := range entries {
+		cpath := filepath.Join(path, d.Name())
+
+		status, err := getStatus(cpath)
+		if err != nil {
+			fmt.Println(cpath)
+			continue
+		}
+
+		if !status.IsClean() {
+			fmt.Printf("%s%s (%v)%s\n", green, cpath, len(status), reset)
+		} else {
+			fmt.Println(cpath)
+		}
+	}
+}
+
 func getStatus(repoPath string) (git.Status, error) {
 	repo, err := git.PlainOpen(repoPath)
 	if err != nil {
@@ -42,52 +80,3 @@ func expandTilde(path string) (string, error) {
 	}
 	return filepath.Join(home, path[1:]), nil
 }
-
-func main() {
-	// dirPath := flag.String("dir", ".", "path to directory")
-	flag.Parse()
-
-	args := flag.Args()
-	dir := "."
-	if len(args) > 0 {
-		// log.Fatal("usage: gitcheck <dirpath>")
-		dir = args[0]
-	}
-	path, err := expandTilde(dir)
-	if err != nil {
-		fmt.Println(err)
-	}
-	entries, err := os.ReadDir(path)
-	if err != nil {
-		fmt.Println(err)
-	}
-	for _, d := range entries {
-		cpath := filepath.Join(path, d.Name())
-		// fmt.Println(cpath)
-		// p, err := os.Stat(cpath)
-		if err != nil {
-			// fmt.Println(err)
-			fmt.Println(cpath)
-			continue
-		}
-		// if !p.IsDir() {
-		// 	continue
-		// }
-		status, err := getStatus(cpath)
-		if err != nil {
-			// fmt.Println(err)
-			fmt.Println(cpath)
-			continue
-		}
-		// fmt.Println("----------")
-		// pp.Println(res)
-		// fmt.Printf("%v: %v \n", cpath, res)
-		if !status.IsClean() {
-			fmt.Printf("%s%s (%v)%s\n", green, cpath, len(status), reset)
-			// fmt.Println(status.String())
-		} else {
-			fmt.Println(cpath)
-			// fmt.Printf("%s%s%s\n", red, cpath, reset)
-		}
-	}
-}