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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| // Copyright (C) 2015 The Syncthing Authors. | ||
| // | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this file, | ||
| // You can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
|
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| package pruner | ||
|
|
||
| import ( | ||
| "path/filepath" | ||
| "strings" | ||
|
|
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| "github.com/syncthing/protocol" | ||
| "github.com/syncthing/syncthing/internal/db" | ||
| ) | ||
|
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| type Pruner struct { | ||
| dirPatterns []string | ||
| filePatterns []string | ||
| } | ||
|
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| func New(patterns []string) *Pruner { | ||
| p := &Pruner{ | ||
| dirPatterns: make([]string, 0), | ||
| filePatterns: make([]string, 0), | ||
| } | ||
| for _, pattern := range patterns { | ||
| if strings.HasSuffix(pattern, "[^/]+") { | ||
| p.filePatterns = append(p.filePatterns, filepath.Dir(pattern)) | ||
| } else { | ||
| p.dirPatterns = append(p.dirPatterns, pattern) | ||
| } | ||
| } | ||
| return p | ||
| } | ||
|
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| func (p *Pruner) ShouldSkipFile(path string) bool { | ||
| for _, pattern := range p.dirPatterns { | ||
| // A file which is within a given directory pattern | ||
| if strings.HasPrefix(path, pattern) { | ||
| return false | ||
| } | ||
| } | ||
|
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| dir := filepath.Dir(path) | ||
|
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| for _, pattern := range p.filePatterns { | ||
| // A file which matches one of the file patterns | ||
| if pattern == dir { | ||
| return false | ||
| } | ||
| } | ||
|
|
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| return true | ||
| } | ||
|
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| func (p *Pruner) ShouldSkipDirectory(path string) bool { | ||
| for _, pattern := range p.dirPatterns { | ||
| // A directory which is within a given pattern | ||
| if strings.HasPrefix(path, pattern) { | ||
| return false | ||
| } | ||
| // A directory which is required to get down to the given pattern | ||
| if strings.HasPrefix(pattern, path) { | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| } | ||
|
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| func (p *Pruner) ShouldSkip(file protocol.FileInfo) bool { | ||
| if file.IsSymlink() || !file.IsDirectory() { | ||
| return p.ShouldSkipFile(file.Name) | ||
| } | ||
| return p.ShouldSkipDirectory(file.Name) | ||
| } | ||
|
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| func (p *Pruner) ShouldSkipTruncated(file db.FileInfoTruncated) bool { | ||
| if file.IsSymlink() || !file.IsDirectory() { | ||
| return p.ShouldSkipFile(file.Name) | ||
| } | ||
| return p.ShouldSkipDirectory(file.Name) | ||
| } |
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