chore: import upstream snapshot with attribution

2026-07-13 12:22:33 +08:00
commit fc4fcbab58
1848 changed files with 472303 additions and 0 deletions
@@ -0,0 +1,22 @@
+import Foundation
+import Testing
+@testable import CodexBarCore
+
+#if os(Linux)
+@Suite(.serialized)
+struct ShellCommandSessionLinuxTests {
+    @Test
+    func `shell probe launches as a detached session leader`() throws {
+        let output = ShellCommandLocator.test_runShellCommand(
+            shell: "/bin/sh",
+            arguments: ["-c", "printf '%s ' \"$$\"; ps -o sid= -p \"$$\""],
+            timeout: 5)
+        let text = try #require(output.flatMap { String(data: $0, encoding: .utf8) })
+        let identifiers = text.split(whereSeparator: \.isWhitespace).compactMap { Int32($0) }
+
+        #expect(identifiers.count == 2)
+        guard identifiers.count == 2 else { return }
+        #expect(identifiers[0] == identifiers[1])
+    }
+}
+#endif