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// Copyright 2023 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
import (
"bytes"
"errors"
"fmt"
"log"
"os"
"path/filepath"
"strings"
"github.com/bep/simplecobra"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/helpers"
"github.com/spf13/afero"
"github.com/spf13/pflag"
)
const (
ansiEsc = "\u001B"
clearLine = "\r\033[K"
hideCursor = ansiEsc + "[?25l"
showCursor = ansiEsc + "[?25h"
)
func newUserError(a ...any) *simplecobra.CommandError {
return &simplecobra.CommandError{Err: errors.New(fmt.Sprint(a...))}
}
func setValueFromFlag(flags *pflag.FlagSet, key string, cfg config.Provider, targetKey string, force bool) {
key = strings.TrimSpace(key)
if (force && flags.Lookup(key) != nil) || flags.Changed(key) {
f := flags.Lookup(key)
configKey := key
if targetKey != "" {
configKey = targetKey
}
// Gotta love this API.
switch f.Value.Type() {
case "bool":
bv, _ := flags.GetBool(key)
cfg.Set(configKey, bv)
case "string":
cfg.Set(configKey, f.Value.String())
case "stringSlice":
bv, _ := flags.GetStringSlice(key)
cfg.Set(configKey, bv)
case "int":
iv, _ := flags.GetInt(key)
cfg.Set(configKey, iv)
default:
panic(fmt.Sprintf("update switch with %s", f.Value.Type()))
}
}
}
func flagsToCfg(cd *simplecobra.Commandeer, cfg config.Provider) config.Provider {
return flagsToCfgWithAdditionalConfigBase(cd, cfg, "")
}
func flagsToCfgWithAdditionalConfigBase(cd *simplecobra.Commandeer, cfg config.Provider, additionalConfigBase string) config.Provider {
if cfg == nil {
cfg = config.New()
}
// Flags with a different name in the config.
keyMap := map[string]string{
"minify": "minifyOutput",
"destination": "publishDir",
"printI18nWarnings": "logI18nWarnings",
"printPathWarnings": "logPathWarnings",
"editor": "newContentEditor",
}
// Flags that we for some reason don't want to expose in the site config.
internalKeySet := map[string]bool{
"quiet": true,
"verbose": true,
"watch": true,
"disableLiveReload": true,
"liveReloadPort": true,
"renderToMemory": true,
"clock": true,
}
cmd := cd.CobraCommand
flags := cmd.Flags()
flags.VisitAll(func(f *pflag.Flag) {
if f.Changed {
targetKey := f.Name
if internalKeySet[targetKey] {
targetKey = "internal." + targetKey
} else if mapped, ok := keyMap[targetKey]; ok {
targetKey = mapped
}
setValueFromFlag(flags, f.Name, cfg, targetKey, false)
if additionalConfigBase != "" {
setValueFromFlag(flags, f.Name, cfg, additionalConfigBase+"."+targetKey, true)
}
}
})
return cfg
}
func mkdir(x ...string) {
p := filepath.Join(x...)
err := os.MkdirAll(p, 0777) // before umask
if err != nil {
log.Fatal(err)
}
}
func touchFile(fs afero.Fs, filename string) {
mkdir(filepath.Dir(filename))
err := helpers.WriteToDisk(filename, bytes.NewReader([]byte{}), fs)
if err != nil {
log.Fatal(err)
}
}
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