Commands: mark class SwiftTool as explicitly final (#5889)

MaxDesiatov · web-flow · commit b4402b975a79 · 2022-11-10T14:37:35.000-08:00
This class is already not marked as `open`, but making it `final` explicitly signals that it is not and shouldn't be subclassed within the Commands module.
diff --git a/Sources/CoreCommands/SwiftTool.swift b/Sources/CoreCommands/SwiftTool.swift
@@ -113,7 +113,7 @@ func exec(path: String, args: [String]) throws -> Never {
     try TSCBasic.exec(path: path, args: args)
 }
 
-public class SwiftTool {
+public final class SwiftTool {
     #if os(Windows)
     // unfortunately this is needed for C callback handlers used by Windows shutdown handler
     static var cancellator: Cancellator?

Original file line number	Diff line number	Diff line change
`@@ -113,7 +113,7 @@ func exec(path: String, args: [String]) throws -> Never {`
`113`	`113`	`try TSCBasic.exec(path: path, args: args)`
`114`	`114`	`}`
`115`	`115`
`116`		`-public class SwiftTool {`
	`116`	`+public final class SwiftTool {`
`117`	`117`	`#if os(Windows)`
`118`	`118`	`// unfortunately this is needed for C callback handlers used by Windows shutdown handler`
`119`	`119`	`static var cancellator: Cancellator?`