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TSCBasic: make LocalFileSystem a struct #410

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Merged
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Apr 20, 2023
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TSCBasic: make LocalFileSystem a struct #410

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7 changes: 2 additions & 5 deletions Sources/TSCBasic/FileSystem.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -146,7 +146,7 @@ public enum FileMode: Sendable {
/// substitute a virtual file system or redirect file system operations.
///
/// - Note: All of these APIs are synchronous and can block.
public protocol FileSystem: AnyObject, Sendable {
public protocol FileSystem: Sendable {
/// Check whether the given path exists and is accessible.
func exists(_ path: AbsolutePath, followSymlink: Bool) -> Bool

Expand Down Expand Up @@ -296,7 +296,7 @@ public extension FileSystem {
}

/// Concrete FileSystem implementation which communicates with the local file system.
private final class LocalFileSystem: FileSystem {
private struct LocalFileSystem: FileSystem {
func isExecutableFile(_ path: AbsolutePath) -> Bool {
// Our semantics doesn't consider directories.
return (self.isFile(path) || self.isSymlink(path)) && FileManager.default.isExecutableFile(atPath: path.pathString)
Expand Down Expand Up @@ -1176,9 +1176,6 @@ public var localFileSystem: FileSystem {
}
}

// `LocalFileSystem` doesn't hold any internal state and all of its underlying operations are blocking.
extension LocalFileSystem: @unchecked Sendable {}

extension FileSystem {
/// Print the filesystem tree of the given path.
///
Expand Down