[git commit] hush: fix mishandling of "true | f() { echo QWE; }"

[Denys Vlasenko]

commit: https://git.busybox.net/busybox/commit/?id=49015a60cb334ecd0b069f27833a3d50853509fa
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master

function                                             old     new   delta
run_pipe                                            1820    1826      +6

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 shell/hush.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/shell/hush.c b/shell/hush.c
index b64993faa..94e429c0d 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -7705,6 +7705,15 @@ static void pseudo_exec(nommu_save_t *nommu_save,
 		struct command *command,
 		char **argv_expanded)
 {
+#if ENABLE_HUSH_FUNCTIONS
+	if (command->cmd_type == CMD_FUNCDEF) {
+		/* Ignore funcdefs in pipes:
+		 * true | f() { cmd }
+		 */
+		_exit(0);
+	}
+#endif
+
 	if (command->argv) {
 		pseudo_exec_argv(nommu_save, command->argv,
 				command->assignment_cnt, argv_expanded);