adding hugo

main.go

@@ -0,0 +1,190 @@
+// Copyright © 2013 Steve Francia <spf@spf13.com>.
+//
+// Licensed under the Simple Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://opensource.org/licenses/Simple-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"github.com/howeyc/fsnotify"
+	"github.com/spf13/hugo/hugolib"
+	"net/http"
+	"os"
+	"path/filepath"
+	"runtime/pprof"
+	"sync"
+)
+
+const (
+	cfgFiledefault = "config.json"
+)
+
+var (
+	baseUrl    = flag.String("b", "", "hostname (and path) to the root eg. http://spf13.com/")
+	cfgfile    = flag.String("c", cfgFiledefault, "config file (default is path/config.json)")
+	checkMode  = flag.Bool("k", false, "analyze content and provide feedback")
+	draft      = flag.Bool("d", false, "include content marked as draft")
+	help       = flag.Bool("h", false, "show this help")
+	path       = flag.String("p", "", "filesystem path to read files relative from")
+	verbose    = flag.Bool("v", false, "verbose output")
+	cpuprofile = flag.Int("cpuprofile", 0, "Number of times to create the site and profile it")
+	watchMode  = flag.Bool("w", false, "watch filesystem for changes and recreate as needed")
+	server     = flag.Bool("s", false, "run a (very) simple web server")
+	port       = flag.String("port", "1313", "port to run web server on, default :1313")
+)
+
+func usage() {
+	PrintErr("usage: hugo [flags]", "")
+	flag.PrintDefaults()
+	os.Exit(2)
+}
+
+func main() {
+
+	flag.Usage = usage
+	flag.Parse()
+
+	if *help {
+		usage()
+	}
+
+	config := hugolib.SetupConfig(cfgfile, path)
+	config.BuildDrafts = *draft
+
+	if *baseUrl != "" {
+		config.BaseUrl = *baseUrl
+	}
+
+	if *cpuprofile != 0 {
+		f, err := os.Create("/tmp/hugo-cpuprofile")
+
+		if err != nil {
+			panic(err)
+		}
+
+		pprof.StartCPUProfile(f)
+		defer pprof.StopCPUProfile()
+
+		for i := 0; i < *cpuprofile; i++ {
+			_ = buildSite(config)
+		}
+	}
+
+	if *checkMode {
+		site := hugolib.NewSite(config)
+		site.Analyze()
+		os.Exit(2)
+	}
+
+	if *watchMode {
+		fmt.Println("Watching for changes. Press ctrl+c to stop")
+		_ = buildSite(config)
+		err := NewWatcher(config, *port, *server)
+
+		if err != nil {
+			fmt.Println(err)
+		}
+	}
+
+	_ = buildSite(config)
+
+	if *server {
+		serve(*port, config)
+	}
+
+}
+
+func serve(port string, config *hugolib.Config) {
+	fmt.Println("Web Server is available at http://localhost:" + port)
+	fmt.Println("Press ctrl+c to stop")
+	panic(http.ListenAndServe(":"+port, http.FileServer(http.Dir(config.PublishDir))))
+}
+
+func buildSite(config *hugolib.Config) *hugolib.Site {
+	site := hugolib.NewSite(config)
+	site.Build()
+
+	site.Stats()
+
+	return site
+}
+
+func watchChange(c *hugolib.Config) {
+	fmt.Println("Change detected, rebuilding site\n")
+	buildSite(c)
+}
+
+func NewWatcher(c *hugolib.Config, port string, server bool) error {
+	watcher, err := fsnotify.NewWatcher()
+	var wg sync.WaitGroup
+
+	if err != nil {
+		return err
+		fmt.Println(err)
+	}
+
+	defer watcher.Close()
+
+	wg.Add(1)
+	go func() {
+		for {
+			select {
+			case ev := <-watcher.Event:
+				var _ = ev
+				watchChange(c)
+				// TODO add newly created directories to the watch list
+			case err := <-watcher.Error:
+				if err != nil {
+					fmt.Println("error:", err)
+				}
+			}
+		}
+	}()
+
+	for _, d := range getDirList(c) {
+		if d != "" {
+			_ = watcher.Watch(d)
+		}
+	}
+
+	if server {
+		go serve(port, c)
+	}
+
+	wg.Wait()
+	return nil
+}
+
+func getDirList(c *hugolib.Config) []string {
+	var a []string
+	walker := func(path string, fi os.FileInfo, err error) error {
+		if err != nil {
+			PrintErr("Walker: ", err)
+			return nil
+		}
+
+		if fi.IsDir() {
+			a = append(a, path)
+		}
+		return nil
+	}
+
+	filepath.Walk(c.GetAbsPath(c.SourceDir), walker)
+	filepath.Walk(c.GetAbsPath(c.LayoutDir), walker)
+
+	return a
+}
+
+func PrintErr(str string, a ...interface{}) {
+	fmt.Fprintln(os.Stderr, str, a)
+}