Ability to skip Published/Generator fields inclusion

[meta4ra.git] / cmd / meta4-create / main.go

diff --git a/cmd/meta4-create/main.go b/cmd/meta4-create/main.go
index bd539b9edb998c1aae365e4fab127f3e34dbb76b..1e8b69eaf4307bbe6c11530a8ac212f940f06dd7 100644 (file)
--- a/cmd/meta4-create/main.go
+++ b/cmd/meta4-create/main.go
@@ -1,19 +1,17 @@
-/*
-meta4a -- Metalink 4.0 creator
-Copyright (C) 2021-2023 Sergey Matveev <stargrave@stargrave.org>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, version 3 of the License.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+// meta4ra -- Metalink 4.0 utilities
+// Copyright (C) 2021-2024 Sergey Matveev <stargrave@stargrave.org>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 3 of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 // Metalink 4.0 creator
 package main
@@ -22,6 +20,7 @@ import (
        "bufio"
        "encoding/xml"
        "flag"
+       "fmt"
        "io"
        "log"
        "os"
@@ -36,12 +35,24 @@ func main() {
        fn := flag.String("fn", "", "Filename")
        mtime := flag.String("mtime", "", "Take that file's mtime as a Published date")
        desc := flag.String("desc", "", "Description")
-       sigPGP := flag.String("sig-pgp", "", "Path to OpenPGP .asc signature file")
-       sigSSH := flag.String("sig-ssh", "", "Path to OpenSSH .sig signature file")
-       hashes := flag.String("hashes", strings.Join(meta4ra.HashesDefault, ","), "hash-name:command-s")
+       sigPGP := flag.String("sig-pgp", "",
+               "Path to OpenPGP .asc signature file for inclusion")
+       sigSSH := flag.String("sig-ssh", "",
+               "Path to OpenSSH .sig signature file for inclusion")
+       hashes := flag.String("hashes",
+               strings.Join(meta4ra.HashesDefault, ","), "hash-name:command-s")
+       noPublished := flag.Bool("no-published", false,
+               "Do not include Published field")
+       noGenerator := flag.Bool("no-generator", false,
+               "Do not include Generator field")
        torrent := flag.String("torrent", "", "Torrent URL")
-       log.SetFlags(log.Lshortfile)
+       flag.Usage = func() {
+               fmt.Fprintf(flag.CommandLine.Output(),
+                       "Usage: %s [options] [URL ...] < DATA > XXX.meta4\n", os.Args[0])
+               flag.PrintDefaults()
+       }
        flag.Parse()
+       log.SetFlags(log.Lshortfile)
        if *fn == "" {
                log.Fatalln("empty -fn")
        }
@@ -97,11 +108,13 @@ func main() {
                }
                published = fi.ModTime()
        }
-       published = published.UTC().Truncate(time.Second)
-       m := meta4ra.Metalink{
-               Files:     []meta4ra.File{f},
-               Generator: meta4ra.Generator,
-               Published: published,
+       m := meta4ra.Metalink{Files: []meta4ra.File{f}}
+       if !*noPublished {
+               t := published.UTC().Truncate(time.Second)
+               m.Published = &t
+       }
+       if !*noGenerator {
+               m.Generator = meta4ra.Generator
        }
        out, err := xml.MarshalIndent(&m, "", "  ")
        if err != nil {