mirror of
https://github.com/TheLocehiliosan/yadm
synced 2024-10-27 20:34:27 +00:00
70 lines
2.3 KiB
Bash
Executable File
70 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# yadm - Yet Another Dotfiles Manager
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# Copyright (C) 2015-2019 Tim Byrne and Martin Zuther
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# This program is free software: you can redistribute it and/or modify
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# it 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
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but 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 this program. If not, see <https://www.gnu.org/licenses/>.
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YADM_DIRECTORY=$(dirname $YADM_HOOK_REPO)
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YADM_CHECKSUMS=$YADM_DIRECTORY/files.checksums
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# check whether file with checksums exists
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if [ -f $YADM_CHECKSUMS ]; then
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# check if "shasum" exists
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if command -v shasum > /dev/null; then
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# check if "shasum" supports SHA-512/256 algorithm
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echo -n | shasum --algorithm 512256 2>&1 1> /dev/null
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if [ $? -ne 0 ]; then
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echo
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echo "WARNING: \"shasum\" does not support SHA-512/256. Checksums were not verified."
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exit $YADM_HOOK_EXIT
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fi
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# check encrypted files for differences and capture output
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YADM_CHECKSUM_OUTPUT=$(shasum --algorithm 512256 --check $YADM_CHECKSUMS 2> /dev/null)
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ERROR_CODE=$?
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# some checksums do not match
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if [ $ERROR_CODE -ne 0 ]; then
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echo
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echo "Some SHA-512/256 sums do not match:"
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# set output color to red
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echo -e "\033[0;31m"
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# display mismatching files
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while IFS= read -r line; do
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echo $line | grep -iv "\sok$" | sed 's/^/ / ; s/: FAILED$//'
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done <<< "$YADM_CHECKSUM_OUTPUT"
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# reset output color
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echo -e "\033[0m"
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echo "Consider running either \"yadm encrypt\" or \"yadm decrypt\"."
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# signal error
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exit $ERROR_CODE
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fi
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else
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echo
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echo "WARNING: command \"shasum\" not found. Checksums were not verified."
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exit $YADM_HOOK_EXIT
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fi
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fi
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# return exit status of the yadm command
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exit $YADM_HOOK_EXIT
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