// Copyright 2015 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 defines and implements command-line commands and flags
// used by Hugo. Commands and flags are implemented using Cobra.
package commands
import (
"fmt"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"runtime"
"strings"
"sync"
"time"
"github.com/spf13/hugo/parser"
flag "github.com/spf13/pflag"
"regexp"
"github.com/spf13/afero"
"github.com/spf13/cobra"
"github.com/spf13/fsync"
"github.com/spf13/hugo/helpers"
"github.com/spf13/hugo/hugofs"
"github.com/spf13/hugo/hugolib"
"github.com/spf13/hugo/livereload"
"github.com/spf13/hugo/utils"
"github.com/spf13/hugo/watcher"
jww "github.com/spf13/jwalterweatherman"
"github.com/spf13/nitro"
"github.com/spf13/viper"
"gopkg.in/fsnotify.v1"
)
var mainSite *hugolib.Site
// userError is an error used to signal different error situations in command handling.
type commandError struct {
s string
userError bool
}
func (u commandError) Error() string {
return u.s
}
func (u commandError) isUserError() bool {
return u.userError
}
func newUserError(a ...interface{}) commandError {
return commandError{s: fmt.Sprintln(a...), userError: true}
}
func newUserErrorF(format string, a ...interface{}) commandError {
return commandError{s: fmt.Sprintf(format, a...), userError: true}
}
func newSystemError(a ...interface{}) commandError {
return commandError{s: fmt.Sprintln(a...), userError: false}
}
func newSystemErrorF(format string, a ...interface{}) commandError {
return commandError{s: fmt.Sprintf(format, a...), userError: false}
}
// catch some of the obvious user errors from Cobra.
// We don't want to show the usage message for every error.
// The below may be to generic. Time will show.
var userErrorRegexp = regexp.MustCompile("argument|flag|shorthand")
func isUserError(err error) bool {
if cErr, ok := err.(commandError); ok && cErr.isUserError() {
return true
}
return userErrorRegexp.MatchString(err.Error())
}
// HugoCmd is Hugo's root command.
// Every other command attached to HugoCmd is a child command to it.
var HugoCmd = &cobra.Command{
Use: "hugo",
Short: "hugo builds your site",
Long: `hugo is the main command, used to build your Hugo site.
Hugo is a Fast and Flexible Static Site Generator
built with love by spf13 and friends in Go.
Complete documentation is available at http://gohugo.io/.`,
RunE: func(cmd *cobra.Command, args []string) error {
if err := InitializeConfig(); err != nil {
return err
}
if buildWatch {
viper.Set("DisableLiveReload", true)
watchConfig()
}
return build()
},
}
var hugoCmdV *cobra.Command
// Flags that are to be added to commands.
var (
buildWatch bool