hugo/commands/server.go

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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"
"net"
"net/http"
"os"
"strconv"
"strings"
"github.com/spf13/cobra"
"github.com/spf13/hugo/helpers"
jww "github.com/spf13/jwalterweatherman"
"github.com/spf13/viper"
)
var serverPort int
var serverWatch bool
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var serverAppend bool
var disableLiveReload bool
//var serverCmdV *cobra.Command
var serverCmd = &cobra.Command{
Use: "server",
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Short: "Hugo runs its own webserver to render the files",
Long: `Hugo is able to run its own high performance web server.
Hugo will render all the files defined in the source directory and
Serve them up.`,
//Run: server,
}
func init() {
serverCmd.Flags().IntVarP(&serverPort, "port", "p", 1313, "port to run the server on")
serverCmd.Flags().BoolVarP(&serverWatch, "watch", "w", false, "watch filesystem for changes and recreate as needed")
serverCmd.Flags().BoolVarP(&serverAppend, "appendPort", "", true, "append port to baseurl")
serverCmd.Flags().BoolVar(&disableLiveReload, "disableLiveReload", false, "watch without enabling live browser reload on rebuild")
serverCmd.Run = server
}
func server(cmd *cobra.Command, args []string) {
InitializeConfig()
if BaseUrl == "" {
BaseUrl = "http://localhost"
}
if cmd.Flags().Lookup("disableLiveReload").Changed {
viper.Set("DisableLiveReload", disableLiveReload)
}
if serverWatch {
viper.Set("Watch", true)
}
if !strings.HasPrefix(BaseUrl, "http://") {
BaseUrl = "http://" + BaseUrl
}
l, err := net.Listen("tcp", ":"+strconv.Itoa(serverPort))
if err == nil {
l.Close()
} else {
jww.ERROR.Println("port", serverPort, "already in use, attempting to use an available port")
sp, err := helpers.FindAvailablePort()
if err != nil {
jww.ERROR.Println("Unable to find alternative port to use")
jww.ERROR.Fatalln(err)
}
serverPort = sp.Port
}
viper.Set("port", serverPort)
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if serverAppend {
viper.Set("BaseUrl", strings.TrimSuffix(BaseUrl, "/")+":"+strconv.Itoa(serverPort))
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} else {
viper.Set("BaseUrl", strings.TrimSuffix(BaseUrl, "/"))
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}
build(serverWatch)
// Watch runs its own server as part of the routine
if serverWatch {
jww.FEEDBACK.Println("Watching for changes in", helpers.AbsPathify(viper.GetString("ContentDir")))
err := NewWatcher(serverPort)
if err != nil {
fmt.Println(err)
}
}
serve(serverPort)
}
func serve(port int) {
jww.FEEDBACK.Println("Serving pages from " + helpers.AbsPathify(viper.GetString("PublishDir")))
jww.FEEDBACK.Printf("Web Server is available at %s\n", viper.GetString("BaseUrl"))
fmt.Println("Press ctrl+c to stop")
http.Handle("/", http.FileServer(http.Dir(helpers.AbsPathify(viper.GetString("PublishDir")))))
err := http.ListenAndServe(":"+strconv.Itoa(port), nil)
if err != nil {
jww.ERROR.Printf("Error: %s\n", err.Error())
os.Exit(1)
}
}