mirror of https://github.com/gohugoio/hugo.git
83 lines
2.3 KiB
Go
83 lines
2.3 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 hugofs provides the file systems used by Hugo.
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package hugofs
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import (
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"github.com/gohugoio/hugo/config"
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"github.com/spf13/afero"
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)
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// Os points to an Os Afero file system.
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var Os = &afero.OsFs{}
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// Fs abstracts the file system to separate source and destination file systems
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// and allows both to be mocked for testing.
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type Fs struct {
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// Source is Hugo's source file system.
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Source afero.Fs
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// Destination is Hugo's destination file system.
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Destination afero.Fs
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// Os is an OS file system.
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// NOTE: Field is currently unused.
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Os afero.Fs
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// WorkingDir is a read-only file system
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// restricted to the project working dir.
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WorkingDir *afero.BasePathFs
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}
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// NewDefault creates a new Fs with the OS file system
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// as source and destination file systems.
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func NewDefault(cfg config.Provider) *Fs {
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fs := &afero.OsFs{}
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return newFs(fs, cfg)
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}
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// NewMem creates a new Fs with the MemMapFs
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// as source and destination file systems.
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// Useful for testing.
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func NewMem(cfg config.Provider) *Fs {
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fs := &afero.MemMapFs{}
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return newFs(fs, cfg)
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}
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// NewFrom creates a new Fs based on the provided Afero Fs
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// as source and destination file systems.
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// Useful for testing.
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func NewFrom(fs afero.Fs, cfg config.Provider) *Fs {
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return newFs(fs, cfg)
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}
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func newFs(base afero.Fs, cfg config.Provider) *Fs {
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return &Fs{
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Source: base,
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Destination: base,
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Os: &afero.OsFs{},
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WorkingDir: getWorkingDirFs(base, cfg),
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}
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}
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func getWorkingDirFs(base afero.Fs, cfg config.Provider) *afero.BasePathFs {
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workingDir := cfg.GetString("workingDir")
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if workingDir != "" {
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return afero.NewBasePathFs(afero.NewReadOnlyFs(base), workingDir).(*afero.BasePathFs)
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}
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return nil
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}
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