hush: fix hush-bugs/parse_err.tests

function                                             old     new   delta
parse_stream                                        2325    2339     +14
builtin_umask                                        121     123      +2
builtin_type                                         116     114      -2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

shell/hush.c

@@ -6232,10 +6232,15 @@ static struct pipe *parse_stream(char **pstring,
 		is_special = "{}<>;&|()#'" /* special outside of "str" */
 				"\\$\"" IF_HUSH_TICK("`"); /* always special */
 		/* Are { and } special here? */
-		if (ctx.command->argv /* word [word]{... */
+		if (ctx.command->argv /* word [word]{... - non-special */
-		 || dest.length /* word{... */
+		 || dest.length       /* word{... - non-special */
-		 || dest.o_quoted /* ""{... */
+		 || dest.o_quoted     /* ""{... - non-special */
-		 || (next != ';' && next != ')' && !strchr(G.ifs, next)) /* {word */
+		 || (next != ';'            /* }; - special */
+		    && next != ')'          /* }) - special */
+		    && next != '&'          /* }& and }&& ... - special */
+		    && next != '|'          /* }|| ... - special */
+		    && !strchr(G.ifs, next) /* {word - non-special */
+		    )
 		) {
 			/* They are not special, skip "{}" */
 			is_special += 2;

shell/hush_test/hush-bugs/parse_err.tests

@@ -1,3 +0,0 @@
-# Bug happens only if there is no space in "}&"
-{ trap "echo got TERM" TERM; sleep 3; }& sleep 1; kill $!; wait
-echo Done: $?

shell/hush_test/hush-parsing/group2.tests

@@ -0,0 +1,3 @@
+# Bug was in handling of "}&" without space
+{ trap "echo got TERM" TERM; sleep 2; }& sleep 1; kill $!; wait
+echo Done: $?