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// 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 commands
import (
"fmt"
"github.com/howeyc/fsnotify"
"github.com/mostafah/fsync"
"github.com/spf13/cobra"
"github.com/spf13/hugo/hugolib"
"github.com/spf13/hugo/utils"
"github.com/spf13/nitro"
"os"
"path/filepath"
"strings"
"sync"
"time"
)
var Config *hugolib.Config
var HugoCmd = &cobra.Command{
Use: "hugo",
Short: "Hugo is a very fast static site generator",
Long: `A Fast and Flexible Static Site Generator built with
love by spf13 and friends in Go.
Complete documentation is available at http://hugo.spf13.com`,
Run: func(cmd *cobra.Command, args []string) {
InitializeConfig()
build()
},
}
var Hugo *cobra.Commander
var BuildWatch, Draft, UglyUrls, Verbose bool
var Source, Destination, BaseUrl, CfgFile string
func Execute() {
AddCommands()
Hugo := HugoCmd.ToCommander()
utils.StopOnErr(Hugo.Execute())
}
func AddCommands() {
HugoCmd.AddCommand(serverCmd)
HugoCmd.AddCommand(version)
HugoCmd.AddCommand(check)
HugoCmd.AddCommand(benchmark)
}
func init() {
HugoCmd.PersistentFlags().BoolVarP(&Draft, "build-drafts", "D", false, "include content marked as draft")
HugoCmd.PersistentFlags().StringVarP(&Source, "source", "s", "", "filesystem path to read files relative from")
HugoCmd.PersistentFlags().StringVarP(&Destination, "destination", "d", "", "filesystem path to write files to")
HugoCmd.PersistentFlags().BoolVarP(&Verbose, "verbose", "v", false, "verbose output")
HugoCmd.PersistentFlags().BoolVar(&UglyUrls, "uglyurls", false, "if true, use /filename.html instead of /filename/")
HugoCmd.PersistentFlags().StringVarP(&BaseUrl, "base-url", "b", "", "hostname (and path) to the root eg. http://spf13.com/")
HugoCmd.PersistentFlags().StringVar(&CfgFile, "config", "", "config file (default is path/config.yaml|json|toml)")
HugoCmd.PersistentFlags().BoolVar(&nitro.AnalysisOn, "stepAnalysis", false, "display memory and timing of different steps of the program")
HugoCmd.Flags().BoolVarP(&BuildWatch, "watch", "w", false, "watch filesystem for changes and recreate as needed")
}
func InitializeConfig() {
Config = hugolib.SetupConfig(&CfgFile, &Source)
Config.BuildDrafts = Draft
Config.UglyUrls = UglyUrls
Config.Verbose = Verbose
if BaseUrl != "" {
Config.BaseUrl = BaseUrl
}
if Destination != "" {
Config.PublishDir = Destination
}
}
func build() {
utils.CheckErr(copyStatic(), fmt.Sprintf("Error copying static files to %s", Config.GetAbsPath(Config.PublishDir)))
utils.StopOnErr(buildSite())
if BuildWatch {
fmt.Println("Watching for changes in", Config.GetAbsPath(Config.ContentDir))
fmt.Println("Press ctrl+c to stop")
utils.CheckErr(NewWatcher(0))
}
}
func copyStatic() error {
// Copy Static to Destination
return fsync.Sync(Config.GetAbsPath(Config.PublishDir+"/"), Config.GetAbsPath(Config.StaticDir+"/"))
}
func getDirList() []string {
var a []string
walker := func(path string, fi os.FileInfo, err error) error {
if err != nil {
fmt.Println("Walker: ", err)
return nil
}
if fi.IsDir() {
a = append(a, path)
}
return nil
}
filepath.Walk(Config.GetAbsPath(Config.ContentDir), walker)
filepath.Walk(Config.GetAbsPath(Config.LayoutDir), walker)
filepath.Walk(Config.GetAbsPath(Config.StaticDir), walker)
return a
}
func buildSite() (err error) {
startTime := time.Now()
site := &hugolib.Site{Config: *Config}
err = site.Build()
if err != nil {
return
}
site.Stats()
fmt.Printf("in %v ms\n", int(1000*time.Since(startTime).Seconds()))
return nil
}
func NewWatcher(port int) error {
watcher, err := fsnotify.NewWatcher()
var wg sync.WaitGroup
if err != nil {
fmt.Println(err)
return err
}
defer watcher.Close()
wg.Add(1)
go func() {
for {
select {
case ev := <-watcher.Event:
if Verbose {
fmt.Println(ev)
}
watchChange(ev)
// TODO add newly created directories to the watch list
case err := <-watcher.Error:
if err != nil {
fmt.Println("error:", err)
}
}
}
}()
for _, d := range getDirList() {
if d != "" {
_ = watcher.Watch(d)
}
}
if port > 0 {
go serve(port)
}
wg.Wait()
return nil
}
func watchChange(ev *fsnotify.FileEvent) {
if strings.HasPrefix(ev.Name, Config.GetAbsPath(Config.StaticDir)) {
fmt.Println("Static file changed, syncing\n")
utils.CheckErr(copyStatic(), fmt.Sprintf("Error copying static files to %s", Config.GetAbsPath(Config.PublishDir)))
} else {
fmt.Println("Change detected, rebuilding site\n")
utils.StopOnErr(buildSite())
}
}
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