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hugo/create/skeletons/skeletons.go

112 lines
3.2 KiB
Go

// 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 skeletons
import (
"bytes"
"embed"
"errors"
"io/fs"
"path/filepath"
"strings"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/parser"
"github.com/gohugoio/hugo/parser/metadecoders"
"github.com/spf13/afero"
)
//go:embed all:site/*
var siteFs embed.FS
//go:embed all:theme/*
var themeFs embed.FS
// CreateTheme creates a theme skeleton.
func CreateTheme(createpath string, sourceFs afero.Fs) error {
if exists, _ := helpers.Exists(createpath, sourceFs); exists {
return errors.New(createpath + " already exists")
}
return copyFiles(createpath, sourceFs, themeFs)
}
// CreateSite creates a site skeleton.
func CreateSite(createpath string, sourceFs afero.Fs, force bool, format string) error {
format = strings.ToLower(format)
if exists, _ := helpers.Exists(createpath, sourceFs); exists {
if isDir, _ := helpers.IsDir(createpath, sourceFs); !isDir {
return errors.New(createpath + " already exists but not a directory")
}
isEmpty, _ := helpers.IsEmpty(createpath, sourceFs)
switch {
case !isEmpty && !force:
return errors.New(createpath + " already exists and is not empty. See --force.")
case !isEmpty && force:
var all []string
fs.WalkDir(siteFs, ".", func(path string, d fs.DirEntry, err error) error {
if d.IsDir() && path != "." {
all = append(all, path)
}
return nil
})
all = append(all, filepath.Join(createpath, "hugo."+format))
for _, path := range all {
if exists, _ := helpers.Exists(path, sourceFs); exists {
return errors.New(path + " already exists")
}
}
}
}
err := newSiteCreateConfig(sourceFs, createpath, format)
if err != nil {
return err
}
return copyFiles(createpath, sourceFs, siteFs)
}
func copyFiles(createpath string, sourceFs afero.Fs, skeleton embed.FS) error {
return fs.WalkDir(skeleton, ".", func(path string, d fs.DirEntry, err error) error {
_, slug, _ := strings.Cut(path, "/")
if d.IsDir() {
return sourceFs.MkdirAll(filepath.Join(createpath, slug), 0o777)
} else {
if filepath.Base(path) != ".gitkeep" {
data, _ := fs.ReadFile(skeleton, path)
return helpers.WriteToDisk(filepath.Join(createpath, slug), bytes.NewReader(data), sourceFs)
}
return nil
}
})
}
func newSiteCreateConfig(fs afero.Fs, createpath string, format string) (err error) {
in := map[string]string{
"baseURL": "https://example.org/",
"title": "My New Hugo Site",
"languageCode": "en-us",
}
var buf bytes.Buffer
err = parser.InterfaceToConfig(in, metadecoders.FormatFromString(format), &buf)
if err != nil {
return err
}
return helpers.WriteToDisk(filepath.Join(createpath, "hugo."+format), &buf, fs)
}