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https://github.com/apple/container.git
synced 2026-07-12 20:47:04 +00:00
J Logan
ca3a4d6670
- Closes #1557. - Replaces `executableURL` utility function for getting app executable path with `executablePath`. - Adds `FilePath.resolvingSymlinks()` extension. - Also converts for FilePath for types in `ContainerVersion` target.
42 lines
1.8 KiB
Swift
42 lines
1.8 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2025-2026 Apple Inc. and the container project authors.
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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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// https://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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//===----------------------------------------------------------------------===//
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import Foundation
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import SystemPackage
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extension CommandLine {
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/// The path of the running executable.
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///
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/// Obtained via `_NSGetExecutablePath`, which returns an absolute, lexically normalized path
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/// (no `.` or `..` components). Symlinks are not resolved, so the path is not canonical.
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public static var executablePath: FilePath {
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/// _NSGetExecutablePath with a zero-length buffer returns the needed buffer length
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var bufferSize: Int32 = 0
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var buffer = [CChar](repeating: 0, count: Int(bufferSize))
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_ = _NSGetExecutablePath(&buffer, &bufferSize)
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/// Create the buffer and get the path
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buffer = [CChar](repeating: 0, count: Int(bufferSize))
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guard _NSGetExecutablePath(&buffer, &bufferSize) == 0 else {
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fatalError("unexpected: failed to get executable path")
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}
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/// Return the path with the executable file component removed the last component and
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let executablePath = String(cString: &buffer)
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return FilePath(executablePath)
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}
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}
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