(122106445) Exclude some paths from automount standardization

* (122106445) Exclude some paths from automount standardization

* Fix linux build failure

Author: jmschonfeld

Sources/FoundationEssentials/String/String+Path.swift

@@ -292,10 +292,14 @@ extension String {
         result = components.enumerated().filter { $0 == 0 || !$1.isEmpty }.map(\.1).joined(separator: "/")
 
         // Automounted paths need to be stripped for various flavors of paths
+        let exclusionList = ["/Applications", "/Library", "/System", "/Users", "/Volumes", "/bin", "/cores", "/dev", "/opt", "/private", "/sbin", "/usr"]
         for path in ["/private/var/automount", "/var/automount", "/private"] {
             if result.starts(with: "\(path)/") {
                 let newPath = String(result.dropFirst(path.count))
-                if FileManager.default.fileExists(atPath: newPath) {
+                let isExcluded = exclusionList.contains {
+                    newPath == $0 || newPath.starts(with: "\($0)/")
+                }
+                if !isExcluded && FileManager.default.fileExists(atPath: newPath) {
                     result = newPath
                 }
                 break

Tests/FoundationEssentialsTests/FileManager/FileManagerTests.swift

@@ -551,4 +551,19 @@ final class FileManagerTests : XCTestCase {
             #endif
         }
     }
+    
+    func testStandardizingPathAutomount() throws {
+        #if canImport(Darwin)
+        let tests = [
+            "/private/System" : "/private/System",
+            "/private/tmp" : "/tmp",
+            "/private/System/foo" : "/private/System/foo"
+        ]
+        for (input, expected) in tests {
+            XCTAssertEqual(input.standardizingPath, expected, "Standardizing the path '\(input)' did not produce the expected result")
+        }
+        #else
+        throw XCTSkip("This test is not applicable to this platform")
+        #endif
+    }
 }