51 lines
1.5 KiB
Bash
51 lines
1.5 KiB
Bash
#! /usr/bin/env sh
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# Copyright (C) 2019 ng0 <ng0@n0.is>
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# Copyright (C) 2019 Jeremiah Orians
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#
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# This file is part of mescc-tools
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#
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# mescc-tools is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or (at
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# your option) any later version.
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#
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# mescc-tools is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with mescc-tools. If not, see <http://www.gnu.org/licenses/>.
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set -ex
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# It's bad to rely on the uname here, but it's a start.
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# What this does is to consider the major implementations of
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# sha256sum tools and their differences and call them
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# accordingly.
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sha256_check()
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{
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if [ -e "$(which sha256sum)" ]; then
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LANG=C sha256sum -c "$1"
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elif [ "$(get_machine --OS)" = "FreeBSD" ]; then
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LANG=C awk '
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BEGIN { status = 0 }
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{
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rc=system(">/dev/null sha256 -q -c "$1" "$2);
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if (rc == 0) print($2": OK")
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else {
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print($2": NOT OK");
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status=rc
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}
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}
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END { exit status}
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' "$1"
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elif [ -e "$(which sum)" ]; then
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LANG=C sum -a SHA256 -n -c "$1"
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elif [ -e "$(which sha256)" ]; then
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LANG=C sha256 -r -c "$1"
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else
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echo "Unsupported sha256 tool, please send a patch to support it"
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exit 77
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fi
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}
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