Accept getopts-style attached -pPROFILE again

Via gobang.ExpandBundles("p:", argv), now that it understands
optstring value flags: -pp1 expands to -p p1 before stdlib flag
parsing, and nothing after "--" is expanded, so the wrapped
command's own argv passes through byte-for-byte.

signals.sh goes back to its original attached-form invocations,
which now double as the compat test.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/remembering.go b/tests/remembering.go
index 3f8e446..5c3b705 100644
--- a/tests/remembering.go
+++ b/tests/remembering.go
@@ -505,6 +505,29 @@ func test_run_flow() {
 			assertEq(out, "x\n")
 			assertEq(errW, "warn\n")
 		})
+
+		testing("attached -pNAME is accepted", func() {
+			rc, out, _ := runWith(
+				"b\na\n",
+				"-pt8", "--", "head", "-n1",
+			)
+			assertEq(rc, 0)
+			assertEq(out, "a\n")
+			assertEq(
+				profileContent("t8"),
+				"1 profile a\n0 profile b\n",
+			)
+		})
+
+		testing("-- shields the command's argv", func() {
+			rc, out, _ := runWith(
+				"",
+				"-p", "t9", "--",
+				"sh", "-c", "echo \"$0\"", "-pz",
+			)
+			assertEq(rc, 0)
+			assertEq(out, "-pz\n")
+		})
 	})
 }