Download patch
ref: d73c67660bd2573787e99c300806c2f1394a8b52 parent: 026c679f49ca89b7585d3ee3364d154c2b00cc3a author: mischief <mischief@offblast.org> date: Tue Sep 18 11:58:22 EDT 2018
sum, md5sum, sha1sum: set exit status properly on open/read errors