4 files changed, 37 insertions(+), 19 deletions(-)

M README.md
M commits.go
M files.go
M main.go

@@ 8,7 8,7 @@ This repository is available at [sourcehut](https://git.sr.ht/~kornellapacz/gmni
 
 Unfortunately because of `replace` directive in `go.mod` you cannot simply get binary by running `go get` but you can install it by running
 
-```sh
+```
 git clone https://git.sr.ht/~kornellapacz/gmnigit
 cd gmnigit
 go build -o gmnigit


@@ 18,14 18,19 @@ place `gmnigit` binary somewhere in your `$PATH`.
 
 ## Usage
 
-(optional) in root of bare git repository put file called `url` with url for cloning, for example
 ```
-echo "https://git.sr.ht/~kornellapacz/gmnigit" > url
+Usage of gmnigit:
+  -dist string
+        destination path (if exists will be overwritten)
+  -repo string
+        path to repository
 ```
 
-if the destination folder exists it will be deleted!
+### Specifying url for cloning (optional)
+
+In root of bare git repository put file called `url` with url for cloning, for example
 ```
-gmnigit ./path/to/repository/dir ./path/to/dest/dir
+echo "https://git.sr.ht/~kornellapacz/gmnigit" > url
 ```
 
 ## Tips


@@ 37,6 42,6 @@ You can automate building pages on push with git `post-receive` hook
 while read -r _ _ ref; do
 	[ "$ref" != "refs/heads/master" ] && continue
 
-	gmnigit . /dest/dir
+	gmnigit --repo . --dist /dest/dir
 done
 ```

@@ 55,7 55,7 @@ func iterateOverCommits(r *git.Repository, callback func(*object.Commit, *object
 	check(err)
 }
 
-func createCommitsFiles(distPath string, repository *git.Repository) {
+func createCommitsFiles(repository *git.Repository) {
 	commitsPath := filepath.Join(distPath, commitsSubPath)
 	check(os.Mkdir(commitsPath, os.ModePerm))
 

@@ 71,7 71,7 @@ func arrangeDirectory(root, path string) {
 	check(index.Close())
 }
 
-func createBrowsableTree(distPath, repositoryPath string) {
+func createBrowsableTree() {
 	treePath := filepath.Join(distPath, treeSubPath)
 
 	_, err := git.PlainClone(treePath, false, &git.CloneOptions{


@@ 84,7 84,7 @@ func createBrowsableTree(distPath, repositoryPath string) {
 	arrangeDirectory(treePath, "")
 }
 
-func createIndexFile(distPath, repositoryPath string) {
+func createIndexFile() {
 	// check if in bare repository is `url` file with git url for cloning
 	url, err := os.ReadFile(filepath.Join(repositoryPath, "url"))
 

@@ 1,6 1,7 @@
 package main
 
 import (
+	"flag"
 	"log"
 	"os"
 	"sync"


@@ 15,15 16,21 @@ const (
 	commitsSubPath = "commits"
 )
 
-func check(err error) {
-	if err != nil {
-		log.Fatal(err)
-	}
-}
+var (
+	repositoryPath string
+	distPath       string
+)
 
 func main() {
-	repositoryPath := os.Args[1]
-	distPath := os.Args[2]
+	flag.StringVar(&repositoryPath, "repo", "", "path to repository")
+	flag.StringVar(&distPath, "dist", "", "destination path (if exists will be overwritten)")
+
+	flag.Parse()
+
+	if repositoryPath == "" || distPath == "" {
+		flag.Usage()
+		return
+	}
 
 	if err := os.RemoveAll(distPath); err != nil {
 		log.Fatalf("cannot remove dist directory: %s", err)


@@ 41,9 48,15 @@ func main() {
 
 	wg.Add(1)
 
-	go createCommitsFiles(distPath, repository)
-	createBrowsableTree(distPath, repositoryPath)
-	createIndexFile(distPath, repositoryPath)
+	go createCommitsFiles(repository)
+	createBrowsableTree()
+	createIndexFile()
 
 	wg.Wait()
 }
+
+func check(err error) {
+	if err != nil {
+		log.Fatal(err)
+	}
+}