53 lines
1.6 KiB
Swift
53 lines
1.6 KiB
Swift
// Copyright 2020 Carton contributors
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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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//
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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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import Foundation
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import TSCBasic
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public extension String {
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var isAbsolutePath: Bool { first == "/" }
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}
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public extension FileSystem {
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func traverseRecursively(_ traversalRoot: AbsolutePath) throws -> [AbsolutePath] {
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guard exists(traversalRoot, followSymlink: true) else {
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return []
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}
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var result = [traversalRoot]
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guard isDirectory(traversalRoot) else {
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return result
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}
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var pathsToTraverse = result
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while let currentDirectory = pathsToTraverse.popLast() {
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let directoryContents = try getDirectoryContents(currentDirectory)
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.map(currentDirectory.appending)
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result.append(contentsOf: directoryContents)
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pathsToTraverse.append(contentsOf: directoryContents.filter(isDirectory))
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}
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return result
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}
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func humanReadableFileSize(_ path: AbsolutePath) throws -> String {
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precondition(isFile(path))
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// FIXME: should use `UnitInformationStorage`, but it's unavailable in open-source Foundation
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return try String(format: "%.2f MB", Double(getFileInfo(path).size) / 1024 / 1024)
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}
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}
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