生成的 html 包含版本信息

.gitignore

@@ -14,3 +14,6 @@ _book
 *.epub
 *.mobi
 *.pdf
+
+version.md
+

Makefile

@@ -13,6 +13,7 @@
 # http://www.imagemagick.org/
 
 default:
+	go run update_version.go
 	gitbook build
 
 zh2tw:
@@ -26,6 +27,7 @@ loop:
 	go run zh2tw.go . .md$$ zh2tw
 
 review:
+	go run update_version.go
 	go run zh2tw.go . .md$$ tw2zh
 	gitbook build
 	go run zh2tw.go . .md$$ zh2tw

preface.md

@@ -9,6 +9,7 @@ Go語言聖經 [《The Go Programming Language》](http://gopl.io) 中文版本
 - 項目主頁：http://github.com/golang-china/gopl-zh
 - 原版官網：http://gopl.io
 
+{% include "./version.md" %}
 
 -------
 

update_version.go

@@ -0,0 +1,72 @@
+// Copyright 2015 <chaishushan{AT}gmail.com>. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ingore
+
+// 更新版本信息
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os/exec"
+	"strings"
+	"time"
+)
+
+func main() {
+	data := makeVersionMarkdown()
+
+	err := ioutil.WriteFile("./version.md", []byte(data), 0666)
+	if err != nil {
+		log.Fatalf("ioutil.WriteFile: err = %v", err)
+	}
+
+	fmt.Println("MakeVersionMarkdown Done")
+}
+
+// 生成版本文件
+func makeVersionMarkdown() string {
+	version := getGitCommitVersion()
+	buildTime := time.Now().Format("2006-01-02")
+
+	return fmt.Sprintf(`
+<!-- 版本號文件，用於被其它md文件包含 -->
+
+### 版本信息
+
+- 仓库版本：[%s](https://github.com/golang-china/gopl-zh/commit/%s)
+- 构建时间：%s
+`,
+		version, version,
+		buildTime,
+	)
+}
+
+// 获取Git最新的版本号
+//
+//	git log HEAD -1
+//	commit 0460c1b3bb8fbb7e2fc88961e69aa37f4041d6c1
+//	Merge: b2d582a e826457
+//	Author: chai2010 <chaishushan@gmail.com>
+//	Date:   Mon Feb 1 08:04:44 2016 +0800
+//
+//		Merge pull request #249 from sunclx/patch-3
+//
+//		fix typo
+func getGitCommitVersion() (version string) {
+	cmdOut, err := exec.Command(`git`, `log`, `HEAD`, `-1`).CombinedOutput()
+	if err != nil {
+		log.Fatalf("getGitCommitVersion: err = %s", err)
+	}
+	for _, line := range strings.Split(string(cmdOut), "\n") {
+		line := strings.TrimSpace(line)
+		if strings.HasPrefix(line, "commit") {
+			version = strings.TrimSpace(line[len("commit"):])
+			return
+		}
+	}
+	return "master"
+}