mirror of https://github.com/gohugoio/hugo
106 lines
2.3 KiB
Go
106 lines
2.3 KiB
Go
// Copyright 2019 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 hugofs
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"sort"
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/spf13/afero"
|
|
)
|
|
|
|
// Reseter is implemented by some of the stateful filesystems.
|
|
type Reseter interface {
|
|
Reset()
|
|
}
|
|
|
|
// DuplicatesReporter reports about duplicate filenames.
|
|
type DuplicatesReporter interface {
|
|
ReportDuplicates() string
|
|
}
|
|
|
|
var _ FilesystemUnwrapper = (*createCountingFs)(nil)
|
|
|
|
func NewCreateCountingFs(fs afero.Fs) afero.Fs {
|
|
return &createCountingFs{Fs: fs, fileCount: make(map[string]int)}
|
|
}
|
|
|
|
func (fs *createCountingFs) UnwrapFilesystem() afero.Fs {
|
|
return fs.Fs
|
|
}
|
|
|
|
// ReportDuplicates reports filenames written more than once.
|
|
func (c *createCountingFs) ReportDuplicates() string {
|
|
c.mu.Lock()
|
|
defer c.mu.Unlock()
|
|
|
|
var dupes []string
|
|
|
|
for k, v := range c.fileCount {
|
|
if v > 1 {
|
|
dupes = append(dupes, fmt.Sprintf("%s (%d)", k, v))
|
|
}
|
|
}
|
|
|
|
if len(dupes) == 0 {
|
|
return ""
|
|
}
|
|
|
|
sort.Strings(dupes)
|
|
|
|
return strings.Join(dupes, ", ")
|
|
}
|
|
|
|
// createCountingFs counts filenames of created files or files opened
|
|
// for writing.
|
|
type createCountingFs struct {
|
|
afero.Fs
|
|
|
|
mu sync.Mutex
|
|
fileCount map[string]int
|
|
}
|
|
|
|
func (c *createCountingFs) Reset() {
|
|
c.mu.Lock()
|
|
defer c.mu.Unlock()
|
|
|
|
c.fileCount = make(map[string]int)
|
|
}
|
|
|
|
func (fs *createCountingFs) onCreate(filename string) {
|
|
fs.mu.Lock()
|
|
defer fs.mu.Unlock()
|
|
|
|
fs.fileCount[filename] = fs.fileCount[filename] + 1
|
|
}
|
|
|
|
func (fs *createCountingFs) Create(name string) (afero.File, error) {
|
|
f, err := fs.Fs.Create(name)
|
|
if err == nil {
|
|
fs.onCreate(name)
|
|
}
|
|
return f, err
|
|
}
|
|
|
|
func (fs *createCountingFs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error) {
|
|
f, err := fs.Fs.OpenFile(name, flag, perm)
|
|
if err == nil && isWrite(flag) {
|
|
fs.onCreate(name)
|
|
}
|
|
return f, err
|
|
}
|