// Copyright 2018 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"
"os/signal"
"sort"
"sync/atomic"
"syscall"
"github.com/gohugoio/hugo/hugolib/filesystems"
"golang.org/x/sync/errgroup"
"log"
"os"
"path/filepath"
"runtime"
"strings"
"time"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/parser"
flag "github.com/spf13/pflag"
"github.com/fsnotify/fsnotify"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/hugolib"
"github.com/gohugoio/hugo/livereload"
"github.com/gohugoio/hugo/watcher"
"github.com/spf13/afero"
"github.com/spf13/cobra"
"github.com/spf13/fsync"
jww "github.com/spf13/jwalterweatherman"
)
// The Response value from Execute.
type Response struct {
// The build Result will only be set in the hugo build command.
Result *hugolib.HugoSites
// Err is set when the command failed to execute.
Err error
// The command that was executed.
Cmd *cobra.Command
}
func (r Response) IsUserError() bool {
return r.Err != nil && isUserError(r.Err)
}
// Execute adds all child commands to the root command HugoCmd and sets flags appropriately.
// The args are usually filled with os.Args[1:].
func Execute(args []string) Response {
hugoCmd := newCommandsBuilder().addAll().build()
cmd := hugoCmd.getCommand()
cmd.SetArgs(args)
c, err := cmd.ExecuteC()
var resp Response
if c == cmd && hugoCmd.c != nil {
// Root command executed
resp.Result = hugoCmd.c.hugo
}
if err == nil {
errCount := int(jww.LogCountForLevelsGreaterThanorEqualTo(jww.LevelError))
if errCount > 0 {
err = fmt.Errorf("logged %d errors", errCount)
} else if resp.Result != nil {
errCount = resp.Result.NumLogErrors()
if errCount > 0 {
err = fmt.Errorf("logged %d errors", errCount)
}
}
}
resp.Err = err
resp.Cmd = c
return resp
}
// InitializeConfig initializes a config file with sensible default configuration flags.
func initializeConfig(mustHaveConfigFile, running bool,
h *hugoBuilderCommon,
f flagsToConfigHandler,
doWithCommandeer func(c *commandeer) error) (*commandeer, error) {