hush: fix "getopts" builtin to not be upset by other builtins calling getopt()
function old new delta
builtin_getopts 363 403 +40
unset_local_var_len 185 215 +30
set_local_var 440 466 +26
reset_traps_to_defaults 151 157 +6
pseudo_exec_argv 320 326 +6
install_special_sighandlers 52 58 +6
pick_sighandler 62 65 +3
execvp_or_die 85 88 +3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 8/0 up/down: 120/0) Total: 120 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash_test/ash-getopts/getopt_nested.right b/shell/ash_test/ash-getopts/getopt_nested.right
new file mode 100644
index 0000000..b0c339d
--- /dev/null
+++ b/shell/ash_test/ash-getopts/getopt_nested.right
@@ -0,0 +1,14 @@
+var:a
+var:b
+var:c
+var:a
+var:b
+var:c
+Illegal option -d
+var:?
+Illegal option -e
+var:?
+Illegal option -f
+var:?
+var:a
+End: var:? OPTIND:6