70 lines
2.3 KiB
Text
70 lines
2.3 KiB
Text
|
#!/usr/bin/env bash
|
||
|
|
|
||
|
|
# yadm - Yet Another Dotfiles Manager
|
||
|
|
# Copyright (C) 2015-2019 Tim Byrne and Martin Zuther
|
||
|
|
|
||
|
|
# This program is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU General Public License as published by
|
||
|
|
# the Free Software Foundation, either version 3 of the License, or
|
||
|
|
# (at your option) any later version.
|
||
|
|
#
|
||
|
|
# This program is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU General Public License
|
||
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
|
||
|
|
YADM_DIRECTORY=$(dirname $YADM_HOOK_REPO)
|
||
|
|
YADM_CHECKSUMS=$YADM_DIRECTORY/files.checksums
|
||
|
|
|
||
|
|
|
||
|
|
# check whether file with checksums exists
|
||
|
|
if [ -f $YADM_CHECKSUMS ]; then
|
||
|
|
# check if "shasum" exists
|
||
|
|
if command -v shasum > /dev/null; then
|
||
|
|
# check if "shasum" supports SHA-512/256 algorithm
|
||
|
|
echo -n | shasum --algorithm 512256 2>&1 1> /dev/null
|
||
|
|
|
||
|
|
if [ $? -ne 0 ]; then
|
||
|
|
echo
|
||
|
|
echo "WARNING: \"shasum\" does not support SHA-512/256. Checksums were not verified."
|
||
|
|
exit $YADM_HOOK_EXIT
|
||
|
|
fi
|
||
|
|
|
||
|
|
# check encrypted files for differences and capture output
|
||
|
|
YADM_CHECKSUM_OUTPUT=$(shasum --algorithm 512256 --check $YADM_CHECKSUMS 2> /dev/null)
|
||
|
|
ERROR_CODE=$?
|
||
|
|
|
||
|
|
# some checksums do not match
|
||
|
|
if [ $ERROR_CODE -ne 0 ]; then
|
||
|
|
echo
|
||
|
|
echo "Some SHA-512/256 sums do not match:"
|
||
|
|
|
||
|
|
# set output color to red
|
||
|
|
echo -e "\033[0;31m"
|
||
|
|
|
||
|
|
# display mismatching files
|
||
|
|
while IFS= read -r line; do
|
||
|
|
echo $line | grep -iv "\sok$" | sed 's/^/ / ; s/: FAILED$//'
|
||
|
|
done <<< "$YADM_CHECKSUM_OUTPUT"
|
||
|
|
|
||
|
|
# reset output color
|
||
|
|
echo -e "\033[0m"
|
||
|
|
echo "Consider running either \"yadm encrypt\" or \"yadm decrypt\"."
|
||
|
|
|
||
|
|
# signal error
|
||
|
|
exit $ERROR_CODE
|
||
|
|
fi
|
||
|
|
else
|
||
|
|
echo
|
||
|
|
echo "WARNING: command \"shasum\" not found. Checksums were not verified."
|
||
|
|
exit $YADM_HOOK_EXIT
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
# return exit status of the yadm command
|
||
|
|
exit $YADM_HOOK_EXIT
|