From 6e4109cfd52dec8aca4c56df9f5df46f458f529d Mon Sep 17 00:00:00 2001
From: Noah <noah.matthew@metzger.cc>
Date: Fri, 8 Mar 2024 15:50:30 -0600
Subject: [PATCH] Allow passing in a configuration file with argparse (fix #6)

---
 go.mod  |  1 +
 go.sum  |  2 ++
 main.go | 17 ++++++++++++++---
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/go.mod b/go.mod
index 1251d98..ca9c279 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module code.retroedge.tech/noah/lapisdeploy
 go 1.22.0
 
 require (
+	github.com/akamensky/argparse v1.4.0 // indirect
 	github.com/gogs/git-module v1.8.3 // indirect
 	github.com/mcuadros/go-version v0.0.0-20190308113854-92cdf37c5b75 // indirect
 	golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 // indirect
diff --git a/go.sum b/go.sum
index 0f7de59..ce445e9 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+github.com/akamensky/argparse v1.4.0 h1:YGzvsTqCvbEZhL8zZu2AiA5nq805NZh75JNj4ajn1xc=
+github.com/akamensky/argparse v1.4.0/go.mod h1:S5kwC7IuDcEr5VeXtGPRVZ5o/FdhcMlQz4IZQuw64xA=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/gogs/git-module v1.8.3 h1:4N9HOLzkmSfb5y4Go4f/gdt1/Z60/aQaAKr8lbsfFps=
diff --git a/main.go b/main.go
index 9404809..b3509a7 100644
--- a/main.go
+++ b/main.go
@@ -7,6 +7,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"github.com/akamensky/argparse"
 )
 
 // Create a configuration struct
@@ -38,7 +39,16 @@ func handler(data map[string]interface{}) {
 
 // main is the starting point of the program
 func main()  {
-	parseConfig("config.json", &configuration)
+	// Parse arguments
+	parser := argparse.NewParser("lapisdeploy", "Easily deploy Lapis web applications through Gitea webhooks")
+	config_path := parser.String("c", "config", &argparse.Options{Required: false, Help: "Configuration file", Default: "./config.json"})
+	if err := parser.Parse(os.Args); err != nil { // Parse arguments
+		fmt.Print(parser.Usage(err)) // Show usage if there's an error
+		return
+	}
+
+	parseConfig(*config_path, &configuration) // Parse JSON configuration file
+
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request){
 		var data map[string]interface{}
 		err := json.NewDecoder(r.Body).Decode(&data)
@@ -47,8 +57,9 @@ func main()  {
 			return
 		}
 
-		go handler(data)
+		go handler(data) // Run the handler
 		fmt.Fprint(w, "Received!")
 	})
-	go log.Fatal(http.ListenAndServe(":7575", nil))
+	log.Printf("Starting Lapis Deploy...")
+	log.Fatal(http.ListenAndServe(":7575", nil))
 }