Move cmd/torrent-create into torrent create

cmd/torrent-create/main.go

@@ -1,67 +0,0 @@
-package main
-
-import (
-	"log"
-	"os"
-
-	"github.com/anacrolix/tagflag"
-
-	"github.com/anacrolix/torrent/bencode"
-	"github.com/anacrolix/torrent/metainfo"
-)
-
-var builtinAnnounceList = [][]string{
-	{"http://p4p.arenabg.com:1337/announce"},
-	{"udp://tracker.opentrackr.org:1337/announce"},
-	{"udp://tracker.openbittorrent.com:6969/announce"},
-}
-
-func main() {
-	log.SetFlags(log.Flags() | log.Lshortfile)
-	var args struct {
-		AnnounceList      []string `name:"a" help:"extra announce-list tier entry"`
-		EmptyAnnounceList bool     `name:"n" help:"exclude default announce-list entries"`
-		Comment           string   `name:"t" help:"comment"`
-		CreatedBy         string   `name:"c" help:"created by"`
-		InfoName          *string  `name:"i" help:"override info name (defaults to ROOT)"`
-		Url               []string `name:"u" help:"add webseed url"`
-		tagflag.StartPos
-		Root string
-	}
-	tagflag.Parse(&args, tagflag.Description("Creates a torrent metainfo for the file system rooted at ROOT, and outputs it to stdout."))
-	mi := metainfo.MetaInfo{
-		AnnounceList: builtinAnnounceList,
-	}
-	if args.EmptyAnnounceList {
-		mi.AnnounceList = make([][]string, 0)
-	}
-	for _, a := range args.AnnounceList {
-		mi.AnnounceList = append(mi.AnnounceList, []string{a})
-	}
-	mi.SetDefaults()
-	if len(args.Comment) > 0 {
-		mi.Comment = args.Comment
-	}
-	if len(args.CreatedBy) > 0 {
-		mi.CreatedBy = args.CreatedBy
-	}
-	mi.UrlList = args.Url
-	info := metainfo.Info{
-		PieceLength: 256 * 1024,
-	}
-	err := info.BuildFromFilePath(args.Root)
-	if err != nil {
-		log.Fatal(err)
-	}
-	if args.InfoName != nil {
-		info.Name = *args.InfoName
-	}
-	mi.InfoBytes, err = bencode.Marshal(info)
-	if err != nil {
-		log.Fatal(err)
-	}
-	err = mi.Write(os.Stdout)
-	if err != nil {
-		log.Fatal(err)
-	}
-}

cmd/torrent/create.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"github.com/anacrolix/bargle"
+	"github.com/anacrolix/torrent/bencode"
+	"github.com/anacrolix/torrent/metainfo"
+	"os"
+)
+
+var builtinAnnounceList = [][]string{
+	{"http://p4p.arenabg.com:1337/announce"},
+	{"udp://tracker.opentrackr.org:1337/announce"},
+	{"udp://tracker.openbittorrent.com:6969/announce"},
+}
+
+func create() (cmd bargle.Command) {
+	var args struct {
+		AnnounceList      []string `name:"a" help:"extra announce-list tier entry"`
+		EmptyAnnounceList bool     `name:"n" help:"exclude default announce-list entries"`
+		Comment           string   `name:"t" help:"comment"`
+		CreatedBy         string   `name:"c" help:"created by"`
+		InfoName          *string  `name:"i" help:"override info name (defaults to ROOT)"`
+		Url               []string `name:"u" help:"add webseed url"`
+		Root              string   `arg:"positional"`
+	}
+	cmd = bargle.FromStruct(&args)
+	cmd.Desc = "Creates a torrent metainfo for the file system rooted at ROOT, and outputs it to stdout"
+	cmd.DefaultAction = func() (err error) {
+		mi := metainfo.MetaInfo{
+			AnnounceList: builtinAnnounceList,
+		}
+		if args.EmptyAnnounceList {
+			mi.AnnounceList = make([][]string, 0)
+		}
+		for _, a := range args.AnnounceList {
+			mi.AnnounceList = append(mi.AnnounceList, []string{a})
+		}
+		mi.SetDefaults()
+		if len(args.Comment) > 0 {
+			mi.Comment = args.Comment
+		}
+		if len(args.CreatedBy) > 0 {
+			mi.CreatedBy = args.CreatedBy
+		}
+		mi.UrlList = args.Url
+		info := metainfo.Info{}
+		err = info.BuildFromFilePath(args.Root)
+		if err != nil {
+			return
+		}
+		if args.InfoName != nil {
+			info.Name = *args.InfoName
+		}
+		mi.InfoBytes, err = bencode.Marshal(info)
+		if err != nil {
+			return
+		}
+		err = mi.Write(os.Stdout)
+		return
+	}
+	return
+}

cmd/torrent/main.go

@@ -113,6 +113,7 @@ func main() {
 			Desc: "prints various protocol default version strings",
 		}},
 		bargle.Subcommand{Name: "serve", Command: serve()},
+		bargle.Subcommand{Name: "create", Command: create()},
 	)
 	main.Run()
 }