From c166b718b496da63c4df7a0972df2fc6cd38256b Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 15 Mar 2018 18:27:30 +0800
Subject: parser: Fix backquote support in here-document EOF mark

Currently using backquotes in a here-document EOF mark is broken
because dash tries to do command substitution on it.  This patch
fixes it by checking whether we're looking for an EOF mark during
tokenisation.

Reported-by: Harald van Dijk <harald@gigawatt.nl>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 src/parser.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/parser.c')

diff --git a/src/parser.c b/src/parser.c
index cd98094..ae76400 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -1037,6 +1037,11 @@ toggledq:
 				}
 				break;
 			case CBQUOTE:	/* '`' */
+				if (checkkwd & CHKEOFMARK) {
+					USTPUTC('`', out);
+					break;
+				}
+
 				PARSEBACKQOLD();
 				break;
 			case CEOF:
-- 
cgit 1.4.1