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container/Sources/Containerization/AttachedFilesystem.swift
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2025-06-05 16:15:21 -07:00

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Swift

//===----------------------------------------------------------------------===//
// Copyright © 2025 Apple Inc. and the containerization project 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
//
// https://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.
//===----------------------------------------------------------------------===//
import ContainerizationExtras
import ContainerizationOCI
/// A filesystem that was attached and able to be mounted inside the runtime environment.
public struct AttachedFilesystem: Sendable {
/// The type of the filesystem.
public var type: String
/// The path to the filesystem within a sandbox.
public var source: String
/// Destination when mounting the filesystem inside a sandbox.
public var destination: String
/// The options to use when mounting the filesystem.
public var options: [String]
#if os(macOS)
public init(mount: Mount, allocator: any AddressAllocator<Character>) throws {
switch mount.type {
case "virtiofs":
let name = try hashMountSource(source: mount.source)
self.type = mount.type
self.source = name
case "ext4":
let char = try allocator.allocate()
self.type = mount.type
self.source = "/dev/vd\(char)"
default:
self.type = mount.type
self.source = mount.source
}
self.options = mount.options
self.destination = mount.destination
}
#endif
}