shithub: pplay

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cmd: fix failing pipelines indefinitely disabling command input

--- a/cmd.c

+++ b/cmd.c

@@ -315,8 +315,10 @@

 	d = dot;

 	treadsoftly = 1;

 	fd = (intptr)efd;

-	if((c = readintochunks(fd)) == nil)

+	if((c = readintochunks(fd)) == nil){

+		treadsoftly = 0;

 		threadexits("failed reading from pipe: %r");

+	}

 	close(fd);

 	dot = d;

 	pushop(OPins, dot.from, dot.from+chunklen(c)-1, nil);