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// Copyright 2024 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"
"context"
"encoding/json"
"fmt"
"os"
"strings"
"time"
"github.com/bep/simplecobra"
"github.com/gohugoio/hugo/common/maps"
"github.com/gohugoio/hugo/config/allconfig"
"github.com/gohugoio/hugo/modules"
"github.com/gohugoio/hugo/parser"
"github.com/gohugoio/hugo/parser/metadecoders"
"github.com/spf13/cobra"
)
// newConfigCommand creates a new config command and its subcommands.
func newConfigCommand() *configCommand {
return &configCommand{
commands: []simplecobra.Commander{
&configMountsCommand{},
},
}
}
type configCommand struct {
r *rootCommand
format string
lang string
commands []simplecobra.Commander
}
func (c *configCommand) Commands() []simplecobra.Commander {
return c.commands
}
func (c *configCommand) Name() string {
return "config"
}
func (c *configCommand) Run(ctx context.Context, cd *simplecobra.Commandeer, args []string) error {
conf, err := c.r.ConfigFromProvider(c.r.configVersionID.Load(), flagsToCfg(cd, nil))
if err != nil {
return err
}
var config *allconfig.Config
if c.lang != "" {
var found bool
config, found = conf.configs.LanguageConfigMap[c.lang]
if !found {
return fmt.Errorf("language %q not found", c.lang)
}
} else {
config = conf.configs.LanguageConfigSlice[0]
}
var buf bytes.Buffer
dec := json.NewEncoder(&buf)
dec.SetIndent("", " ")
dec.SetEscapeHTML(false)
if err := dec.Encode(parser.ReplacingJSONMarshaller{Value: config, KeysToLower: true, OmitEmpty: true}); err != nil {
return err
}
format := strings.ToLower(c.format)
switch format {
case "json":
os.Stdout.Write(buf.Bytes())
default:
// Decode the JSON to a map[string]interface{} and then unmarshal it again to the correct format.
var m map[string]interface{}
if err := json.Unmarshal(buf.Bytes(), &m); err != nil {
return err
}
maps.ConvertFloat64WithNoDecimalsToInt(m)
switch format {
case "yaml":
return parser.InterfaceToConfig(m, metadecoders.YAML, os.Stdout)
case "toml":
return parser.InterfaceToConfig(m, metadecoders.TOML, os.Stdout)
default:
return fmt.Errorf("unsupported format: %q", format)
}
}
return nil
}
func (c *configCommand) Init(cd *simplecobra.Commandeer) error {
c.r = cd.Root.Command.(*rootCommand)
cmd := cd.CobraCommand
cmd.Short = "Print the site configuration"
cmd.Long = `Print the site configuration, both default and custom settings.`
cmd.Flags().StringVar(&c.format, "format", "toml", "preferred file format (toml, yaml or json)")
_ = cmd.RegisterFlagCompletionFunc("format", cobra.FixedCompletions([]string{"toml", "yaml", "json"}, cobra.ShellCompDirectiveNoFileComp))
cmd.Flags().StringVar(&c.lang, "lang", "", "the language to display config for. Defaults to the first language defined.")
_ = cmd.RegisterFlagCompletionFunc("lang", cobra.NoFileCompletions)
applyLocalFlagsBuildConfig(cmd, c.r)
return nil
}
func (c *configCommand) PreRun(cd, runner *simplecobra.Commandeer) error {
return nil
}
type configModMount struct {
Source string `json:"source"`
Target string `json:"target"`
Lang string `json:"lang,omitempty"`
}
type configModMounts struct {
verbose bool
m modules.Module
}
// MarshalJSON is for internal use only.
func (m *configModMounts) MarshalJSON() ([]byte, error) {
var mounts []configModMount
for _, mount := range m.m.Mounts() {
mounts = append(mounts, configModMount{
Source: mount.Source,
Target: mount.Target,
Lang: mount.Lang,
})
}
var ownerPath string
if m.m.Owner() != nil {
ownerPath = m.m.Owner().Path()
}
if m.verbose {
config := m.m.Config()
return json.Marshal(&struct {
Path string `json:"path"`
Version string `json:"version"`
Time time.Time `json:"time"`
Owner string `json:"owner"`
Dir string `json:"dir"`
Meta map[string]any `json:"meta"`
HugoVersion modules.HugoVersion `json:"hugoVersion"`
Mounts []configModMount `json:"mounts"`
}{
Path: m.m.Path(),
Version: m.m.Version(),
Time: m.m.Time(),
Owner: ownerPath,
Dir: m.m.Dir(),
Meta: config.Params,
HugoVersion: config.HugoVersion,
Mounts: mounts,
})
}
return json.Marshal(&struct {
Path string `json:"path"`
Version string `json:"version"`
Time time.Time `json:"time"`
Owner string `json:"owner"`
Dir string `json:"dir"`
Mounts []configModMount `json:"mounts"`
}{
Path: m.m.Path(),
Version: m.m.Version(),
Time: m.m.Time(),
Owner: ownerPath,
Dir: m.m.Dir(),
Mounts: mounts,
})
}
type configMountsCommand struct {
r *rootCommand
configCmd *configCommand
}
func (c *configMountsCommand) Commands() []simplecobra.Commander {
return nil
}
func (c *configMountsCommand) Name() string {
return "mounts"
}
func (c *configMountsCommand) Run(ctx context.Context, cd *simplecobra.Commandeer, args []string) error {
r := c.configCmd.r
conf, err := r.ConfigFromProvider(r.configVersionID.Load(), flagsToCfg(cd, nil))
if err != nil {
return err
}
for _, m := range conf.configs.Modules {
if err := parser.InterfaceToConfig(&configModMounts{m: m, verbose: r.isVerbose()}, metadecoders.JSON, os.Stdout); err != nil {
return err
}
}
return nil
}
func (c *configMountsCommand) Init(cd *simplecobra.Commandeer) error {
c.r = cd.Root.Command.(*rootCommand
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