From bbc5194773642292b1cabade5bd965b9e28d40e8 Mon Sep 17 00:00:00 2001
From: Mykhailo Chalyi <mike@chaliy.name>
Date: Thu, 8 Oct 2026 00:49:16 +0000
Subject: [PATCH] test(spec): unset scope cases from the bash oracle

The behavior landed with the declaration engine (#2597); these cases pin it:
a callee's `unset` uncovers the caller's binding for scalars and arrays, and a
local unset in its own scope stays invisible for the rest of the call.

Claude-Session: https://claude.ai/code/session_019aFikmptPc91Fj4N2iDXQA
---
 .../spec_cases/bash/unset-local-scope.test.sh | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 crates/bashkit/tests/spec_cases/bash/unset-local-scope.test.sh

diff --git a/crates/bashkit/tests/spec_cases/bash/unset-local-scope.test.sh b/crates/bashkit/tests/spec_cases/bash/unset-local-scope.test.sh
new file mode 100644
index 000000000..f95406ed1
--- /dev/null
+++ b/crates/bashkit/tests/spec_cases/bash/unset-local-scope.test.sh
@@ -0,0 +1,36 @@
+### unset_local_exposes_global
+f() { local v=f; g; echo "f sees ${v:-none}"; }
+g() { echo "g sees ${v:-none}"; unset v; echo "after unset ${v:-none}"; }
+v=global; f; echo "global: $v"
+### expect
+g sees f
+after unset global
+f sees global
+global: global
+### end
+
+### unset_global_from_function
+f() { unset v; echo "in f ${v:-none}"; }
+v=global; f; echo "after ${v:-none}"
+### expect
+in f none
+after none
+### end
+
+### unset_local_in_own_function
+f() { local v=f; unset v; echo "${v:-none}"; }
+v=global; f; echo "$v"
+### expect
+none
+global
+### end
+
+### unset_local_array_exposes_global
+f() { local -a a=(x y); g; echo "f: ${a[*]}"; }
+g() { unset a; echo "g: ${a[*]:-none}"; }
+a=(1 2 3); f; echo "global: ${a[*]}"
+### expect
+g: 1 2 3
+f: 1 2 3
+global: 1 2 3
+### end