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Red Hat Bugzilla – Attachment 654782 Details for
Bug 733561
"sha256sum: WARNING: 20 lines are improperly formatted" when using GPG signed checksum file
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bash script to deal with gpg-signed checksum files
check-signed-checksums (text/plain), 874 bytes, created by
D. Hugh Redelmeier
on 2012-11-30 04:10:24 UTC
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Description:
bash script to deal with gpg-signed checksum files
Filename:
MIME Type:
Creator:
D. Hugh Redelmeier
Created:
2012-11-30 04:10:24 UTC
Size:
874 bytes
patch
obsolete
>#!/bin/bash > ># Synopsis: ># check-signed-checksums signedchecksumfiles... > ># Fedora .iso files come with SHA256 checksums that are signed. ># Unfortunately gpg(1) and shar256sum(2) don't understand each other. ># This script is meant to make verifying .iso files a ># little easier (one command instead of two) and and less disturbing ># (spurious error messages are avoided). ># ># D. Hugh Redelmeier 2012 November 29 > ># I think that this "set" is the lone bash-ism. ># -u: treat references to undefined variables as an error ># -e: treat unchecked error returns as fatal >set -u -e > >fail() { echo "$0: $1" >&2 ; exit 1 ; } > >bare="`mktemp --tmpdir chksum.XXXXXXXXXX`" || fail "could not make temporary checksum file" > >trap 'rm "$bare"' 0 > >for f >do > # the -- is to prevent $f being interpreted as a flag > gpg -d -- "$f" >"$bare" || fail "gpg of $f failed" > sha256sum -c "$bare" >done
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