From 91ce8291d0beaa816258dbd273e947df7b20ca31 Mon Sep 17 00:00:00 2001
From: Koichi Murase <myoga.murase@gmail.com>
Date: Wed, 25 Dec 2024 17:08:33 +0900
Subject: [PATCH] [osh] Fix `${a[@]@a}` to generate an attribute for each
 element

---
 osh/word_eval.py         | 13 ++++++++++++-
 spec/var-op-bash.test.sh |  2 +-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/osh/word_eval.py b/osh/word_eval.py
index 569511c35..156f0819c 100644
--- a/osh/word_eval.py
+++ b/osh/word_eval.py
@@ -1129,7 +1129,18 @@ def _Nullary(self, val, op, var_name, vsub_token, vsub_state):
                     if cell.nameref:
                         chars.append('n')
 
-            result = value.Str(''.join(chars))
+            count = 1
+            with tagswitch(val) as case:
+                if case(value_e.Undef):
+                    count = 0
+                elif case(value_e.BashArray):
+                    val = cast(value.BashArray, UP_val)
+                    count = bash_impl.BashArray_Count(val)
+                elif case(value_e.BashAssoc):
+                    val = cast(value.BashAssoc, UP_val)
+                    count = bash_impl.BashAssoc_Count(val)
+
+            result = value.BashArray([''.join(chars)] * count)
 
         else:
             e_die('Var op %r not implemented' % lexer.TokenVal(op), op)
diff --git a/spec/var-op-bash.test.sh b/spec/var-op-bash.test.sh
index 1bbb7badd..27384850a 100644
--- a/spec/var-op-bash.test.sh
+++ b/spec/var-op-bash.test.sh
@@ -303,7 +303,7 @@ status=0
 status=1
 a $'b\\nc'
 status=0
-a
+a a a
 status=0
 ## END