mirror of https://github.com/gohugoio/hugo
66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
// Copyright 2024 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
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import (
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"io/fs"
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"github.com/bep/overlayfs"
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)
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// LanguageDirsMerger implements the overlayfs.DirsMerger func, which is used
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// to merge two directories.
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var LanguageDirsMerger overlayfs.DirsMerger = func(lofi, bofi []fs.DirEntry) []fs.DirEntry {
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for _, fi1 := range bofi {
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fim1 := fi1.(FileMetaInfo)
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var found bool
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for _, fi2 := range lofi {
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fim2 := fi2.(FileMetaInfo)
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if fi1.Name() == fi2.Name() && fim1.Meta().Lang == fim2.Meta().Lang {
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found = true
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break
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}
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}
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if !found {
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lofi = append(lofi, fi1)
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}
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}
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return lofi
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}
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// AppendDirsMerger merges two directories keeping all regular files
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// with the first slice as the base.
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// Duplicate directories in the second slice will be ignored.
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// This strategy is used for the i18n and data fs where we need all entries.
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var AppendDirsMerger overlayfs.DirsMerger = func(lofi, bofi []fs.DirEntry) []fs.DirEntry {
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for _, fi1 := range bofi {
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var found bool
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// Remove duplicate directories.
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if fi1.IsDir() {
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for _, fi2 := range lofi {
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if fi2.IsDir() && fi2.Name() == fi1.Name() {
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found = true
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break
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}
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}
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}
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if !found {
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lofi = append(lofi, fi1)
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}
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}
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return lofi
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}
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