hugofs

package
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 Go to latest Published: Feb 22, 2021 License: Apache-2.0 Imports: 26 Imported by: 0

Documentation

Overview

Package hugofs provides the file systems used by Hugo.

Package hugofs provides the file systems used by Hugo.

Index

Constants

This section is empty.

Variables

View Source 
var ErrPermissionSymlink = errors.New("symlinks not allowed in this filesystem")
View Source 
var LanguageDirsMerger = func(lofi, bofi []os.FileInfo) ([]os.FileInfo, error) {
	m := make(map[string]FileMetaInfo)

	getKey := func(fim FileMetaInfo) string {
		return path.Join(fim.Meta().Lang(), fim.Name())
	}

	for _, fi := range lofi {
		fim := fi.(FileMetaInfo)
		m[getKey(fim)] = fim
	}

	for _, fi := range bofi {
		fim := fi.(FileMetaInfo)
		key := getKey(fim)
		_, found := m[key]
		if !found {
			m[key] = fim
		}
	}

	merged := make([]os.FileInfo, len(m))
	i := 0
	for _, v := range m {
		merged[i] = v
		i++
	}

	return merged, nil
}

LanguageDirsMerger implements the afero.DirsMerger interface, which is used to merge two directories.

View Source 
var (

	// NoOpFs provides a no-op filesystem that implements the afero.Fs
	// interface.
	NoOpFs = &noOpFs{}
)
View Source 
var Os = &afero.OsFs{}

Os points to the (real) Os filesystem.

Functions

func DecorateBasePathFs 

func DecorateBasePathFs(base *afero.BasePathFs) afero.Fs

DecorateBasePathFs adds Path info to files and directories in the provided BasePathFs, using the base as base.

func Glob 

func Glob(fs afero.Fs, pattern string, handle func(fi FileMetaInfo) (bool, error)) error

Glob walks the fs and passes all matches to the handle func. The handle func can return true to signal a stop.

func MakeReadableAndRemoveAllModulePkgDir 

func MakeReadableAndRemoveAllModulePkgDir(fs afero.Fs, dir string) (int, error)

MakeReadableAndRemoveAllModulePkgDir makes any subdir in dir readable and then removes the root. TODO(bep) move this to a more suitable place.

func NewBaseFileDecorator 

func NewBaseFileDecorator(fs afero.Fs, callbacks ...func(fi FileMetaInfo)) afero.Fs

NewBaseFileDecorator decorates the given Fs to provide the real filename and an Opener func.

func NewCreateCountingFs 

func NewCreateCountingFs(fs afero.Fs) afero.Fs

func NewFilterFs 

func NewFilterFs(fs afero.Fs) (afero.Fs, error)

func NewHashingFs 

func NewHashingFs(delegate afero.Fs, hashReceiver FileHashReceiver) afero.Fs

NewHashingFs creates a new filesystem that will receive MD5 checksums of any written file content on Close. Note that this is probably not a good idea for "full build" situations, but when doing fast render mode, the amount of files published is low, and it would be really nice to know exactly which of these files where actually changed. Note that this will only work for file operations that use the io.Writer to write content to file, but that is fine for the "publish content" use case.

func NewLanguageCompositeFs 

func NewLanguageCompositeFs(base, overlay afero.Fs) afero.Fs

NewLanguageCompositeFs creates a composite and language aware filesystem. This is a hybrid filesystem. To get a specific file in Open, Stat etc., use the full filename to the target filesystem. This information is available in Readdir, Stat etc. via the special LanguageFileInfo FileInfo implementation.

func NewLanguageFs 

func NewLanguageFs(langs map[string]int, fs afero.Fs) (afero.Fs, error)

func NewNoSymlinkFs 

func NewNoSymlinkFs(fs afero.Fs, logger loggers.Logger, allowFiles bool) afero.Fs

NewNoSymlinkFs creates a new filesystem that prevents symlinks.

func NewSliceFs 

func NewSliceFs(dirs ...FileMetaInfo) (afero.Fs, error)

func NewStacktracerFs 

func NewStacktracerFs(fs afero.Fs, pattern string) afero.Fs

NewStacktracerFs wraps the given fs printing stack traces for file creates matching the given regexp pattern.

Types

type DuplicatesReporter 

type DuplicatesReporter interface {
	ReportDuplicates() string
}

DuplicatesReporter reports about duplicate filenames.

type FileHashReceiver 

type FileHashReceiver interface {
	OnFileClose(name, md5sum string)
}

FileHashReceiver will receive the filename an the content's MD5 sum on file close.

type FileMeta 

type FileMeta map[string]interface{}

func (FileMeta) Classifier 

func (f FileMeta) Classifier() files.ContentClass

func (FileMeta) DecoraterPath 

func (f FileMeta) DecoraterPath() string

func (FileMeta) Filename 

func (f FileMeta) Filename() string

func (FileMeta) Fs 

func (f FileMeta) Fs() afero.Fs

func (FileMeta) GetBool 

func (f FileMeta) GetBool(key string) bool

func (FileMeta) GetInt 

func (f FileMeta) GetInt(key string) int

func (FileMeta) GetOpener 

func (f FileMeta) GetOpener() func() (afero.File, error)

func (FileMeta) GetString 

func (f FileMeta) GetString(key string) string

func (FileMeta) IsOrdered 

func (f FileMeta) IsOrdered() bool
func (f FileMeta) IsSymlink() bool

IsSymlink returns whether this comes from a symlinked file or directory.

func (FileMeta) JoinStat 

func (f FileMeta) JoinStat(name string) (FileMetaInfo, error)

func (FileMeta) Lang 

func (f FileMeta) Lang() string

func (FileMeta) Module 

func (f FileMeta) Module() string

func (FileMeta) MountRoot 

func (f FileMeta) MountRoot() string

func (FileMeta) Name 

func (f FileMeta) Name() string

func (FileMeta) Open 

func (f FileMeta) Open() (afero.File, error)

func (FileMeta) Ordinal 

func (f FileMeta) Ordinal() int

func (FileMeta) OriginalFilename 

func (f FileMeta) OriginalFilename() string

func (FileMeta) Path 

func (f FileMeta) Path() string

Path returns the relative file path to where this file is mounted.

func (FileMeta) PathFile 

func (f FileMeta) PathFile() string

PathFile returns the relative file path for the file source.

func (FileMeta) SkipDir 

func (f FileMeta) SkipDir() bool

func (FileMeta) SourceRoot 

func (f FileMeta) SourceRoot() string

func (FileMeta) TranslationBaseName 

func (f FileMeta) TranslationBaseName() string

func (FileMeta) TranslationBaseNameWithExt 

func (f FileMeta) TranslationBaseNameWithExt() string

func (FileMeta) Translations 

func (f FileMeta) Translations() []string

func (FileMeta) Watch 

func (f FileMeta) Watch() bool

func (FileMeta) Weight 

func (f FileMeta) Weight() int

type FileMetaInfo 

type FileMetaInfo interface {
	os.FileInfo
	Meta() FileMeta
}

func NewFileMetaInfo 

func NewFileMetaInfo(fi os.FileInfo, m FileMeta) FileMetaInfo

type FilterFs 

type FilterFs struct {
	// contains filtered or unexported fields
}

FilterFs is an ordered composite filesystem.

func (*FilterFs) Chmod 

func (fs *FilterFs) Chmod(n string, m os.FileMode) error

func (*FilterFs) Chown added in v0.7.0 

func (fs *FilterFs) Chown(n string, uid, gid int) error

func (*FilterFs) Chtimes 

func (fs *FilterFs) Chtimes(n string, a, m time.Time) error

func (*FilterFs) Create 

func (fs *FilterFs) Create(n string) (afero.File, error)

func (*FilterFs) LstatIfPossible 

func (fs *FilterFs) LstatIfPossible(name string) (os.FileInfo, bool, error)

func (*FilterFs) Mkdir 

func (fs *FilterFs) Mkdir(n string, p os.FileMode) error

func (*FilterFs) MkdirAll 

func (fs *FilterFs) MkdirAll(n string, p os.FileMode) error

func (*FilterFs) Name 

func (fs *FilterFs) Name() string

func (*FilterFs) Open 

func (fs *FilterFs) Open(name string) (afero.File, error)

func (*FilterFs) OpenFile 

func (fs *FilterFs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error)

func (*FilterFs) ReadDir 

func (fs *FilterFs) ReadDir(name string) ([]os.FileInfo, error)

func (*FilterFs) Remove 

func (fs *FilterFs) Remove(n string) error

func (*FilterFs) RemoveAll 

func (fs *FilterFs) RemoveAll(p string) error

func (*FilterFs) Rename 

func (fs *FilterFs) Rename(o, n string) error

func (*FilterFs) Stat 

func (fs *FilterFs) Stat(name string) (os.FileInfo, error)

type Fs 

type Fs struct {
	// Source is Hugo's source file system.
	Source afero.Fs

	// Destination is Hugo's destination file system.
	Destination afero.Fs

	// Os is an OS file system.
	// NOTE: Field is currently unused.
	Os afero.Fs

	// WorkingDir is a read-only file system
	// restricted to the project working dir.
	WorkingDir *afero.BasePathFs
}

Fs abstracts the file system to separate source and destination file systems and allows both to be mocked for testing.

func NewDefault 

func NewDefault(cfg config.Provider) *Fs

NewDefault creates a new Fs with the OS file system as source and destination file systems.

func NewFrom 

func NewFrom(fs afero.Fs, cfg config.Provider) *Fs

NewFrom creates a new Fs based on the provided Afero Fs as source and destination file systems. Useful for testing.

func NewMem 

func NewMem(cfg config.Provider) *Fs

NewMem creates a new Fs with the MemMapFs as source and destination file systems. Useful for testing.

type Reseter 

type Reseter interface {
	Reset()
}

Reseter is implemented by some of the stateful filesystems.

type RootMapping 

type RootMapping struct {
	From      string   // The virtual mount.
	To        string   // The source directory or file.
	ToBasedir string   // The base of To. May be empty if an absolute path was provided.
	Module    string   // The module path/ID.
	Meta      FileMeta // File metadata (lang etc.)
	// contains filtered or unexported fields
}

RootMapping describes a virtual file or directory mount.

type RootMappingFs 

type RootMappingFs struct {
	afero.Fs
	// contains filtered or unexported fields
}

A RootMappingFs maps several roots into one. Note that the root of this filesystem is directories only, and they will be returned in Readdir and Readdirnames in the order given.

func NewRootMappingFs 

func NewRootMappingFs(fs afero.Fs, rms ...RootMapping) (*RootMappingFs, error)

NewRootMappingFs creates a new RootMappingFs on top of the provided with root mappings with some optional metadata about the root. Note that From represents a virtual root that maps to the actual filename in To.

func (*RootMappingFs) Dirs 

func (fs *RootMappingFs) Dirs(base string) ([]FileMetaInfo, error)

func (RootMappingFs) Filter 

func (fs RootMappingFs) Filter(f func(m RootMapping) bool) *RootMappingFs

Filter creates a copy of this filesystem with only mappings matching a filter.

func (*RootMappingFs) LstatIfPossible 

func (fs *RootMappingFs) LstatIfPossible(name string) (os.FileInfo, bool, error)

LstatIfPossible returns the os.FileInfo structure describing a given file.

func (*RootMappingFs) Open 

func (fs *RootMappingFs) Open(name string) (afero.File, error)

Open opens the named file for reading.

func (*RootMappingFs) Stat 

func (fs *RootMappingFs) Stat(name string) (os.FileInfo, error)

Stat returns the os.FileInfo structure describing a given file. If there is an error, it will be of type *os.PathError.

type SliceFs 

type SliceFs struct {
	// contains filtered or unexported fields
}

SliceFs is an ordered composite filesystem.

func (*SliceFs) Chmod 

func (fs *SliceFs) Chmod(n string, m os.FileMode) error

func (*SliceFs) Chown added in v0.7.0 

func (fs *SliceFs) Chown(n string, uid, gid int) error

func (*SliceFs) Chtimes 

func (fs *SliceFs) Chtimes(n string, a, m time.Time) error

func (*SliceFs) Create 

func (fs *SliceFs) Create(n string) (afero.File, error)

func (*SliceFs) LstatIfPossible 

func (fs *SliceFs) LstatIfPossible(name string) (os.FileInfo, bool, error)

func (*SliceFs) Mkdir 

func (fs *SliceFs) Mkdir(n string, p os.FileMode) error

func (*SliceFs) MkdirAll 

func (fs *SliceFs) MkdirAll(n string, p os.FileMode) error

func (*SliceFs) Name 

func (fs *SliceFs) Name() string

func (*SliceFs) Open 

func (fs *SliceFs) Open(name string) (afero.File, error)

func (*SliceFs) OpenFile 

func (fs *SliceFs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error)

func (*SliceFs) ReadDir 

func (fs *SliceFs) ReadDir(name string) ([]os.FileInfo, error)

func (*SliceFs) Remove 

func (fs *SliceFs) Remove(n string) error

func (*SliceFs) RemoveAll 

func (fs *SliceFs) RemoveAll(p string) error

func (*SliceFs) Rename 

func (fs *SliceFs) Rename(o, n string) error

func (*SliceFs) Stat 

func (fs *SliceFs) Stat(name string) (os.FileInfo, error)

type WalkFunc 

type WalkFunc func(path string, info FileMetaInfo, err error) error

type WalkHook 

type WalkHook func(dir FileMetaInfo, path string, readdir []FileMetaInfo) ([]FileMetaInfo, error)

type Walkway 

type Walkway struct {
	// contains filtered or unexported fields
}

func NewWalkway 

func NewWalkway(cfg WalkwayConfig) *Walkway

func (*Walkway) Walk 

func (w *Walkway) Walk() error

type WalkwayConfig 

type WalkwayConfig struct {
	Fs       afero.Fs
	Root     string
	BasePath string

	Logger loggers.Logger

	// One or both of these may be pre-set.
	Info       FileMetaInfo
	DirEntries []FileMetaInfo

	WalkFn   WalkFunc
	HookPre  WalkHook
	HookPost WalkHook
}

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