From d2b88aa51765d726cbbd8e1644ed308cdac78e68 Mon Sep 17 00:00:00 2001
From: hub <code@hub.lol>
Date: Sat, 10 Sep 2022 02:27:49 +0200
Subject: [PATCH] quilt installer

---
 cmd/server.go   |  6 ++++++
 server/quilt.go | 28 ++++++++++++++++++++++++----
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/cmd/server.go b/cmd/server.go
index a79a1b5..5e62038 100644
--- a/cmd/server.go
+++ b/cmd/server.go
@@ -6,6 +6,7 @@ import (
 	"github.com/nothub/mrpack-install/server"
 	"github.com/spf13/cobra"
 	"log"
+	"os"
 )
 
 func init() {
@@ -58,6 +59,11 @@ var serverCmd = &cobra.Command{
 			minecraftVersion = latestMinecraftVersion
 		}
 
+		err = os.MkdirAll(serverDir, 0755)
+		if err != nil {
+			log.Fatalln(err)
+		}
+
 		flavor := args[0]
 		provider, err := server.NewProvider(flavor, minecraftVersion, flavorVersion)
 		if err != nil {
diff --git a/server/quilt.go b/server/quilt.go
index 8b08f64..a03cae8 100644
--- a/server/quilt.go
+++ b/server/quilt.go
@@ -2,24 +2,44 @@ package server
 
 import (
 	"errors"
+	"fmt"
+	"github.com/nothub/mrpack-install/requester"
+	"github.com/nothub/mrpack-install/util"
 	"os"
+	"os/exec"
+	"path"
 )
 
+const quiltInstallerUrl = "https://maven.quiltmc.org/repository/release/org/quiltmc/quilt-installer/latest/quilt-installer-latest.jar"
+
 type Quilt struct {
 	MinecraftVersion string
 	QuiltVersion     string
 }
 
 func (provider *Quilt) Provide(serverDir string, serverFile string) error {
-	return errors.New("quilt provider not implemented")
+	installer, err := requester.DefaultHttpClient.DownloadFile(quiltInstallerUrl, ".", "")
+	if err != nil {
+		return err
+	}
 
-	err := os.MkdirAll("work/quilt", 0755)
+	cmd := exec.Command("java", "-jar", installer, "install", "server", provider.MinecraftVersion, "--install-dir="+serverDir, "--create-scripts", "--download-server")
+	fmt.Println("Executing command:", cmd.String())
+	err = cmd.Run()
 	if err != nil {
 		return err
 	}
 
-	// TODO: download https://maven.quiltmc.org/repository/release/org/quiltmc/quilt-installer/latest/quilt-installer-latest.jar
-	// TODO: java -jar quilt-installer-latest.jar install server ${minecraftVersion} --download-server
+	if !util.PathIsFile(path.Join(serverDir, "server.jar")) {
+		return errors.New("server.jar not found")
+	}
+
+	if serverFile != "" {
+		err = os.Rename(path.Join(serverDir, "server.jar"), path.Join(serverDir, serverFile))
+		if err != nil {
+			return err
+		}
+	}
 
 	return nil
 }