Clean up the scripts a bit (...)

- Move the Go files into script/ instead of random places
- Rewrite check-contrib.sh into check-authors.go and check-copyright.go
- Clean up build.sh a little bit

script/genassets.go

@@ -0,0 +1,106 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+// +build ignore
+
+package main
+
+import (
+	"bytes"
+	"compress/gzip"
+	"encoding/base64"
+	"flag"
+	"go/format"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+	"text/template"
+	"time"
+)
+
+var tpl = template.Must(template.New("assets").Parse(`package auto
+
+import (
+	"encoding/base64"
+)
+
+const (
+	AssetsBuildDate = "{{.BuildDate}}"
+)
+
+func Assets() map[string][]byte {
+	var assets = make(map[string][]byte, {{.Assets | len}})
+{{range $asset := .Assets}}
+	assets["{{$asset.Name}}"], _ = base64.StdEncoding.DecodeString("{{$asset.Data}}"){{end}}
+	return assets
+}
+
+`))
+
+type asset struct {
+	Name string
+	Data string
+}
+
+var assets []asset
+
+func walkerFor(basePath string) filepath.WalkFunc {
+	return func(name string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if strings.HasPrefix(filepath.Base(name), ".") {
+			// Skip dotfiles
+			return nil
+		}
+
+		if info.Mode().IsRegular() {
+			fd, err := os.Open(name)
+			if err != nil {
+				return err
+			}
+
+			var buf bytes.Buffer
+			gw := gzip.NewWriter(&buf)
+			io.Copy(gw, fd)
+			fd.Close()
+			gw.Flush()
+			gw.Close()
+
+			name, _ = filepath.Rel(basePath, name)
+			assets = append(assets, asset{
+				Name: filepath.ToSlash(name),
+				Data: base64.StdEncoding.EncodeToString(buf.Bytes()),
+			})
+		}
+
+		return nil
+	}
+}
+
+type templateVars struct {
+	Assets    []asset
+	BuildDate string
+}
+
+func main() {
+	flag.Parse()
+
+	filepath.Walk(flag.Arg(0), walkerFor(flag.Arg(0)))
+	var buf bytes.Buffer
+	tpl.Execute(&buf, templateVars{
+		Assets:    assets,
+		BuildDate: time.Now().UTC().Format(http.TimeFormat),
+	})
+	bs, err := format.Source(buf.Bytes())
+	if err != nil {
+		panic(err)
+	}
+	os.Stdout.Write(bs)
+}