mirror of
https://github.com/syncthing/syncthing.git
synced 2024-11-15 18:08:45 -07:00
59af9809fe
As GOARCH defaults to 'arm' on arm systems this allows packagers to specify the arm version by setting the GOARM env var to 5, 6 or 7.
571 lines
12 KiB
Go
571 lines
12 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 3 of the License, or (at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program. If not, see <http://www.gnu.org/licenses/>.
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// +build ignore
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package main
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import (
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"archive/tar"
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"archive/zip"
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"bytes"
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"compress/gzip"
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"os/user"
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"path/filepath"
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"regexp"
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"runtime"
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"strconv"
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"strings"
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"time"
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)
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var (
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versionRe = regexp.MustCompile(`-[0-9]{1,3}-g[0-9a-f]{5,10}`)
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goarch string
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goos string
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noupgrade bool
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version string
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race bool
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)
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const minGoVersion = 1.3
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func main() {
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log.SetOutput(os.Stdout)
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log.SetFlags(0)
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if os.Getenv("GOPATH") == "" {
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cwd, err := os.Getwd()
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if err != nil {
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log.Fatal(err)
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}
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gopath := filepath.Clean(filepath.Join(cwd, "../../../../"))
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log.Println("GOPATH is", gopath)
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os.Setenv("GOPATH", gopath)
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}
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os.Setenv("PATH", fmt.Sprintf("%s%cbin%c%s", os.Getenv("GOPATH"), os.PathSeparator, os.PathListSeparator, os.Getenv("PATH")))
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flag.StringVar(&goarch, "goarch", runtime.GOARCH, "GOARCH")
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flag.StringVar(&goos, "goos", runtime.GOOS, "GOOS")
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flag.BoolVar(&noupgrade, "no-upgrade", noupgrade, "Disable upgrade functionality")
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flag.StringVar(&version, "version", getVersion(), "Set compiled in version string")
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flag.BoolVar(&race, "race", race, "Use race detector")
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flag.Parse()
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switch goarch {
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case "386", "amd64", "armv5", "armv6", "armv7":
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break
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case "arm":
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switch os.Getenv("GOARM") {
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case "5", "6", "7":
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goarch += "v" + os.Getenv("GOARM")
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break
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default:
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log.Println("Invalid goarch \"arm\". Use one of \"armv5\", \"armv6\", \"armv7\".")
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log.Fatalln("Note that producing a correct \"armv5\" binary requires a rebuilt stdlib.")
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}
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default:
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log.Printf("Unknown goarch %q; proceed with caution!", goarch)
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}
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checkRequiredGoVersion()
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if flag.NArg() == 0 {
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var tags []string
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if noupgrade {
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tags = []string{"noupgrade"}
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}
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install("./cmd/...", tags)
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return
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}
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for _, cmd := range flag.Args() {
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switch cmd {
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case "setup":
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setup()
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case "install":
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pkg := "./cmd/..."
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var tags []string
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if noupgrade {
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tags = []string{"noupgrade"}
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}
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install(pkg, tags)
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case "build":
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pkg := "./cmd/syncthing"
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var tags []string
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if noupgrade {
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tags = []string{"noupgrade"}
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}
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build(pkg, tags)
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case "test":
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pkg := "./..."
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test(pkg)
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case "assets":
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assets()
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case "xdr":
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xdr()
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case "translate":
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translate()
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case "transifex":
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transifex()
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case "deps":
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deps()
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case "tar":
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buildTar()
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case "zip":
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buildZip()
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case "clean":
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clean()
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default:
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log.Fatalf("Unknown command %q", cmd)
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}
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}
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}
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func checkRequiredGoVersion() {
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ver := run("go", "version")
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re := regexp.MustCompile(`go version go(\d+\.\d+)`)
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if m := re.FindSubmatch(ver); len(m) == 2 {
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vs := string(m[1])
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// This is a standard go build. Verify that it's new enough.
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f, err := strconv.ParseFloat(vs, 64)
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if err != nil {
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log.Printf("*** Could parse Go version out of %q.\n*** This isn't known to work, proceed on your own risk.", vs)
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return
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}
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if f < minGoVersion {
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log.Fatalf("*** Go version %.01f is less than required %.01f.\n*** This is known not to work, not proceeding.", f, minGoVersion)
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}
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} else {
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log.Printf("*** Unknown Go version %q.\n*** This isn't known to work, proceed on your own risk.", ver)
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}
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}
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func setup() {
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runPrint("go", "get", "-v", "golang.org/x/tools/cmd/cover")
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runPrint("go", "get", "-v", "golang.org/x/tools/cmd/vet")
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runPrint("go", "get", "-v", "golang.org/x/net/html")
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runPrint("go", "get", "-v", "github.com/tools/godep")
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}
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func test(pkg string) {
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setBuildEnv()
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runPrint("go", "test", "-short", "-timeout", "10s", pkg)
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}
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func install(pkg string, tags []string) {
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os.Setenv("GOBIN", "./bin")
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args := []string{"install", "-v", "-ldflags", ldflags()}
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if len(tags) > 0 {
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args = append(args, "-tags", strings.Join(tags, ","))
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}
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if race {
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args = append(args, "-race")
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}
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args = append(args, pkg)
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setBuildEnv()
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runPrint("go", args...)
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}
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func build(pkg string, tags []string) {
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rmr("syncthing", "syncthing.exe")
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args := []string{"build", "-ldflags", ldflags()}
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if len(tags) > 0 {
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args = append(args, "-tags", strings.Join(tags, ","))
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}
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if race {
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args = append(args, "-race")
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}
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args = append(args, pkg)
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setBuildEnv()
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runPrint("go", args...)
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}
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func buildTar() {
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name := archiveName()
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var tags []string
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if noupgrade {
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tags = []string{"noupgrade"}
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name += "-noupgrade"
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}
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build("./cmd/syncthing", tags)
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filename := name + ".tar.gz"
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files := []archiveFile{
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{"README.md", name + "/README.txt"},
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{"LICENSE", name + "/LICENSE.txt"},
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{"AUTHORS", name + "/AUTHORS.txt"},
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{"syncthing", name + "/syncthing"},
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}
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for _, file := range listFiles("etc") {
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files = append(files, archiveFile{file, name + "/" + file})
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}
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tarGz(filename, files)
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log.Println(filename)
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}
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func buildZip() {
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name := archiveName()
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var tags []string
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if noupgrade {
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tags = []string{"noupgrade"}
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name += "-noupgrade"
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}
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build("./cmd/syncthing", tags)
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filename := name + ".zip"
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files := []archiveFile{
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{"README.md", name + "/README.txt"},
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{"LICENSE", name + "/LICENSE.txt"},
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{"AUTHORS", name + "/AUTHORS.txt"},
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{"syncthing.exe", name + "/syncthing.exe"},
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}
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zipFile(filename, files)
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log.Println(filename)
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}
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func listFiles(dir string) []string {
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var res []string
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filepath.Walk(dir, func(path string, fi os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if fi.Mode().IsRegular() {
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res = append(res, path)
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}
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return nil
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})
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return res
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}
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func setBuildEnv() {
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os.Setenv("GOOS", goos)
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if strings.HasPrefix(goarch, "arm") {
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os.Setenv("GOARCH", "arm")
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os.Setenv("GOARM", goarch[4:])
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} else {
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os.Setenv("GOARCH", goarch)
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}
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if goarch == "386" {
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os.Setenv("GO386", "387")
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}
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wd, err := os.Getwd()
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if err != nil {
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log.Println("Warning: can't determine current dir:", err)
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log.Println("Build might not work as expected")
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}
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os.Setenv("GOPATH", fmt.Sprintf("%s%c%s", filepath.Join(wd, "Godeps", "_workspace"), os.PathListSeparator, os.Getenv("GOPATH")))
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log.Println("GOPATH=" + os.Getenv("GOPATH"))
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}
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func assets() {
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setBuildEnv()
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runPipe("internal/auto/gui.files.go", "go", "run", "cmd/genassets/main.go", "gui")
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}
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func xdr() {
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for _, f := range []string{"internal/discover/packets", "internal/files/leveldb", "internal/protocol/message"} {
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runPipe(f+"_xdr.go", "go", "run", "./Godeps/_workspace/src/github.com/calmh/xdr/cmd/genxdr/main.go", "--", f+".go")
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}
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}
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func translate() {
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os.Chdir("gui/assets/lang")
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runPipe("lang-en-new.json", "go", "run", "../../../cmd/translate/main.go", "lang-en.json", "../../index.html")
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os.Remove("lang-en.json")
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err := os.Rename("lang-en-new.json", "lang-en.json")
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if err != nil {
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log.Fatal(err)
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}
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os.Chdir("../../..")
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}
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func transifex() {
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os.Chdir("gui/assets/lang")
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runPrint("go", "run", "../../../cmd/transifexdl/main.go")
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os.Chdir("../../..")
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assets()
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}
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func deps() {
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rmr("Godeps")
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runPrint("godep", "save", "./cmd/...")
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}
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func clean() {
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rmr("bin", "Godeps/_workspace/pkg", "Godeps/_workspace/bin")
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rmr(filepath.Join(os.Getenv("GOPATH"), fmt.Sprintf("pkg/%s_%s/github.com/syncthing", goos, goarch)))
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}
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func ldflags() string {
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var b bytes.Buffer
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b.WriteString("-w")
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b.WriteString(fmt.Sprintf(" -X main.Version %s", version))
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b.WriteString(fmt.Sprintf(" -X main.BuildStamp %d", buildStamp()))
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b.WriteString(fmt.Sprintf(" -X main.BuildUser %s", buildUser()))
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b.WriteString(fmt.Sprintf(" -X main.BuildHost %s", buildHost()))
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b.WriteString(fmt.Sprintf(" -X main.BuildEnv %s", buildEnvironment()))
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if strings.HasPrefix(goarch, "arm") {
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b.WriteString(fmt.Sprintf(" -X main.GoArchExtra %s", goarch[3:]))
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}
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return b.String()
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}
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func rmr(paths ...string) {
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for _, path := range paths {
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log.Println("rm -r", path)
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os.RemoveAll(path)
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}
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}
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func getVersion() string {
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v, err := runError("git", "describe", "--always", "--dirty")
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if err != nil {
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return "unknown-dev"
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}
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v = versionRe.ReplaceAllFunc(v, func(s []byte) []byte {
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s[0] = '+'
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return s
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})
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return string(v)
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}
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func buildStamp() int64 {
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bs, err := runError("git", "show", "-s", "--format=%ct")
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if err != nil {
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return time.Now().Unix()
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}
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s, _ := strconv.ParseInt(string(bs), 10, 64)
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return s
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}
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func buildUser() string {
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u, err := user.Current()
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if err != nil {
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return "unknown-user"
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}
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return strings.Replace(u.Username, " ", "-", -1)
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}
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func buildHost() string {
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h, err := os.Hostname()
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if err != nil {
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return "unknown-host"
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}
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return h
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}
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func buildEnvironment() string {
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if v := os.Getenv("ENVIRONMENT"); len(v) > 0 {
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return v
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}
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return "default"
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}
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func buildArch() string {
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os := goos
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if os == "darwin" {
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os = "macosx"
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}
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return fmt.Sprintf("%s-%s", os, goarch)
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}
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func archiveName() string {
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return fmt.Sprintf("syncthing-%s-%s", buildArch(), version)
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}
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func run(cmd string, args ...string) []byte {
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bs, err := runError(cmd, args...)
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if err != nil {
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log.Println(cmd, strings.Join(args, " "))
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log.Println(string(bs))
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log.Fatal(err)
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}
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return bytes.TrimSpace(bs)
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}
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func runError(cmd string, args ...string) ([]byte, error) {
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ecmd := exec.Command(cmd, args...)
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bs, err := ecmd.CombinedOutput()
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if err != nil {
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return nil, err
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}
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return bytes.TrimSpace(bs), nil
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}
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func runPrint(cmd string, args ...string) {
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log.Println(cmd, strings.Join(args, " "))
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ecmd := exec.Command(cmd, args...)
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ecmd.Stdout = os.Stdout
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ecmd.Stderr = os.Stderr
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err := ecmd.Run()
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if err != nil {
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log.Fatal(err)
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}
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}
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func runPipe(file, cmd string, args ...string) {
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log.Println(cmd, strings.Join(args, " "), ">", file)
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fd, err := os.Create(file)
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if err != nil {
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log.Fatal(err)
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}
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ecmd := exec.Command(cmd, args...)
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ecmd.Stdout = fd
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ecmd.Stderr = os.Stderr
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err = ecmd.Run()
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if err != nil {
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log.Fatal(err)
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}
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fd.Close()
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}
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type archiveFile struct {
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src string
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dst string
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}
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func tarGz(out string, files []archiveFile) {
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fd, err := os.Create(out)
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if err != nil {
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log.Fatal(err)
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}
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gw := gzip.NewWriter(fd)
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tw := tar.NewWriter(gw)
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for _, f := range files {
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sf, err := os.Open(f.src)
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if err != nil {
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log.Fatal(err)
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}
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info, err := sf.Stat()
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if err != nil {
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log.Fatal(err)
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}
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h := &tar.Header{
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Name: f.dst,
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Size: info.Size(),
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Mode: int64(info.Mode()),
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ModTime: info.ModTime(),
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}
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err = tw.WriteHeader(h)
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if err != nil {
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log.Fatal(err)
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}
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_, err = io.Copy(tw, sf)
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if err != nil {
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log.Fatal(err)
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}
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sf.Close()
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}
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err = tw.Close()
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if err != nil {
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log.Fatal(err)
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}
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err = gw.Close()
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if err != nil {
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log.Fatal(err)
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}
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err = fd.Close()
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if err != nil {
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log.Fatal(err)
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}
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}
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func zipFile(out string, files []archiveFile) {
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fd, err := os.Create(out)
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if err != nil {
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log.Fatal(err)
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}
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zw := zip.NewWriter(fd)
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for _, f := range files {
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sf, err := os.Open(f.src)
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if err != nil {
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log.Fatal(err)
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}
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info, err := sf.Stat()
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if err != nil {
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log.Fatal(err)
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}
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fh, err := zip.FileInfoHeader(info)
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if err != nil {
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log.Fatal(err)
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}
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fh.Name = f.dst
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fh.Method = zip.Deflate
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if strings.HasSuffix(f.dst, ".txt") {
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// Text file. Read it and convert line endings.
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bs, err := ioutil.ReadAll(sf)
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if err != nil {
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log.Fatal(err)
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}
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bs = bytes.Replace(bs, []byte{'\n'}, []byte{'\n', '\r'}, -1)
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fh.UncompressedSize = uint32(len(bs))
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fh.UncompressedSize64 = uint64(len(bs))
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of, err := zw.CreateHeader(fh)
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if err != nil {
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log.Fatal(err)
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}
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of.Write(bs)
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} else {
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// Binary file. Copy verbatim.
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of, err := zw.CreateHeader(fh)
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if err != nil {
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|
log.Fatal(err)
|
|
}
|
|
_, err = io.Copy(of, sf)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
err = zw.Close()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
err = fd.Close()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|