tailscale/cmd/mkpkg/main.go

135 lines
4.2 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
// mkpkg builds the Tailscale rpm and deb packages.
package main
import (
"flag"
"fmt"
"log"
"os"
"strings"
"github.com/goreleaser/nfpm/v2"
_ "github.com/goreleaser/nfpm/v2/deb"
"github.com/goreleaser/nfpm/v2/files"
_ "github.com/goreleaser/nfpm/v2/rpm"
)
// parseFiles parses a comma-separated list of colon-separated pairs
// into files.Contents format.
func parseFiles(s string, typ string) (files.Contents, error) {
if len(s) == 0 {
return nil, nil
}
var contents files.Contents
for _, f := range strings.Split(s, ",") {
fs := strings.Split(f, ":")
if len(fs) != 2 {
return nil, fmt.Errorf("unparseable file field %q", f)
}
contents = append(contents, &files.Content{Type: files.TypeFile, Source: fs[0], Destination: fs[1]})
}
return contents, nil
}
func parseEmptyDirs(s string) files.Contents {
// strings.Split("", ",") would return []string{""}, which is not suitable:
// this would create an empty dir record with path "", breaking the package
if s == "" {
return nil
}
var contents files.Contents
for _, d := range strings.Split(s, ",") {
contents = append(contents, &files.Content{Type: files.TypeDir, Destination: d})
}
return contents
}
func main() {
out := flag.String("out", "", "output file to write")
name := flag.String("name", "tailscale", "package name")
description := flag.String("description", "The easiest, most secure, cross platform way to use WireGuard + oauth2 + 2FA/SSO", "package description")
goarch := flag.String("arch", "amd64", "GOARCH this package is for")
pkgType := flag.String("type", "deb", "type of package to build (deb or rpm)")
regularFiles := flag.String("files", "", "comma-separated list of files in src:dst form")
configFiles := flag.String("configs", "", "like --files, but for files marked as user-editable config files")
emptyDirs := flag.String("emptydirs", "", "comma-separated list of empty directories")
version := flag.String("version", "0.0.0", "version of the package")
postinst := flag.String("postinst", "", "debian postinst script path")
prerm := flag.String("prerm", "", "debian prerm script path")
postrm := flag.String("postrm", "", "debian postrm script path")
replaces := flag.String("replaces", "", "package which this package replaces, if any")
depends := flag.String("depends", "", "comma-separated list of packages this package depends on")
recommends := flag.String("recommends", "", "comma-separated list of packages this package recommends")
flag.Parse()
filesList, err := parseFiles(*regularFiles, files.TypeFile)
if err != nil {
log.Fatalf("Parsing --files: %v", err)
}
configsList, err := parseFiles(*configFiles, files.TypeConfig)
if err != nil {
log.Fatalf("Parsing --configs: %v", err)
}
emptyDirList := parseEmptyDirs(*emptyDirs)
contents := append(filesList, append(configsList, emptyDirList...)...)
contents, err = files.PrepareForPackager(contents, 0, *pkgType, false)
if err != nil {
log.Fatalf("Building package contents: %v", err)
}
info := nfpm.WithDefaults(&nfpm.Info{
Name: *name,
Arch: *goarch,
Platform: "linux",
Version: *version,
Maintainer: "Tailscale Inc <info@tailscale.com>",
Description: *description,
Homepage: "https://www.tailscale.com",
License: "MIT",
Overridables: nfpm.Overridables{
Contents: contents,
Scripts: nfpm.Scripts{
PostInstall: *postinst,
PreRemove: *prerm,
PostRemove: *postrm,
},
},
})
if len(*depends) != 0 {
info.Overridables.Depends = strings.Split(*depends, ",")
}
if len(*recommends) != 0 {
info.Overridables.Recommends = strings.Split(*recommends, ",")
}
if *replaces != "" {
info.Overridables.Replaces = []string{*replaces}
info.Overridables.Conflicts = []string{*replaces}
}
switch *pkgType {
case "deb":
info.Section = "net"
info.Priority = "extra"
case "rpm":
info.Overridables.RPM.Group = "Network"
}
pkg, err := nfpm.Get(*pkgType)
if err != nil {
log.Fatalf("Getting packager for %q: %v", *pkgType, err)
}
f, err := os.Create(*out)
if err != nil {
log.Fatalf("Creating output file %q: %v", *out, err)
}
defer f.Close()
if err := pkg.Package(info, f); err != nil {
log.Fatalf("Creating package %q: %v", *out, err)
}
}