fix: <Nop> not shown in :map commands

shadmansaleh · shadmansaleh · commit 07a98b1a75b8 · 2022-02-16T13:12:46.000+06:00
diff --git a/src/nvim/getchar.c b/src/nvim/getchar.c
@@ -3483,7 +3483,7 @@ static void showmap(mapblock_T *mp, bool local)
     char msg[100];
     snprintf(msg, sizeof(msg), "<Lua function %d>", mp->m_luaref);
     msg_puts_attr(msg, HL_ATTR(HLF_8));
-  } else if (mp->m_str == NULL) {
+  } else if (mp->m_str[0] == NUL) {
     msg_puts_attr("<Nop>", HL_ATTR(HLF_8));
   } else {
     // Remove escaping of K_SPECIAL, because "m_str" is in a format to be used
diff --git a/test/functional/api/keymap_spec.lua b/test/functional/api/keymap_spec.lua
@@ -1037,4 +1037,9 @@ describe('nvim_buf_set_keymap, nvim_buf_del_keymap', function()
     eq(1, exec_lua[[return GlobalCount]])
     eq('\nNo mapping found', helpers.exec_capture('nmap asdf'))
   end)
+
+  it ('shows <nop> as map rhs', function()
+    meths.set_keymap('n', 'asdf', '<nop>', {})
+    eq('\nn  asdf          <Nop>', helpers.exec_capture('nmap asdf'))
+  end)
 end)
