130 lines
2.8 KiB
Go
130 lines
2.8 KiB
Go
// Copyright 2016 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package source
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import (
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"os"
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"path/filepath"
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"runtime"
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"sync"
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"github.com/gohugoio/hugo/helpers"
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jww "github.com/spf13/jwalterweatherman"
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"golang.org/x/text/unicode/norm"
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)
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type Filesystem struct {
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files []ReadableFile
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filesInit sync.Once
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Base string
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SourceSpec
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}
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type Input interface {
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Files() []ReadableFile
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}
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func (sp SourceSpec) NewFilesystem(base string) *Filesystem {
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return &Filesystem{SourceSpec: sp, Base: base}
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}
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func (f *Filesystem) Files() []ReadableFile {
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f.filesInit.Do(func() {
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f.captureFiles()
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})
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return f.files
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}
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// add populates a file in the Filesystem.files
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func (f *Filesystem) add(name string, fi os.FileInfo) (err error) {
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var file ReadableFile
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if runtime.GOOS == "darwin" {
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// When a file system is HFS+, its filepath is in NFD form.
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name = norm.NFC.String(name)
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}
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file = f.SourceSpec.NewFileInfo(f.Base, name, false, fi)
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f.files = append(f.files, file)
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return err
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}
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func (f *Filesystem) captureFiles() {
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walker := func(filePath string, fi os.FileInfo, err error) error {
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if err != nil {
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return nil
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}
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b, err := f.shouldRead(filePath, fi)
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if err != nil {
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return err
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}
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if b {
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f.add(filePath, fi)
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}
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return err
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}
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if f.Fs == nil {
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panic("Must have a fs")
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}
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err := helpers.SymbolicWalk(f.Fs.Source, f.Base, walker)
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if err != nil {
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jww.ERROR.Println(err)
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if err == helpers.ErrWalkRootTooShort {
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panic("The root path is too short. If this is a test, make sure to init the content paths.")
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}
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}
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}
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func (f *Filesystem) shouldRead(filename string, fi os.FileInfo) (bool, error) {
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if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
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link, err := filepath.EvalSymlinks(filename)
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if err != nil {
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jww.ERROR.Printf("Cannot read symbolic link '%s', error was: %s", filename, err)
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return false, nil
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}
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linkfi, err := f.Fs.Source.Stat(link)
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if err != nil {
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jww.ERROR.Printf("Cannot stat '%s', error was: %s", link, err)
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return false, nil
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}
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if !linkfi.Mode().IsRegular() {
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jww.ERROR.Printf("Symbolic links for directories not supported, skipping '%s'", filename)
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}
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return false, nil
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}
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ignore := f.SourceSpec.IgnoreFile(filename)
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if fi.IsDir() {
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if ignore {
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return false, filepath.SkipDir
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}
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return false, nil
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}
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if ignore {
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return false, nil
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}
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return true, nil
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}
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