46 lines
968 B
Bash
Executable file
46 lines
968 B
Bash
Executable file
#!/bin/bash
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##
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# Convert BTRFS snapshots to Restic Snapshots
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#
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# @copyright 2021, Steffen Vogel
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# @license http://www.gnu.org/licenses/gpl.txt GNU Public License
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# @author Steffen Vogel <post@steffenvogel.de>
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# @link https://www.steffenvogel.de
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##
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PARENT=""
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HOST=$1
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AFTER=$(date -d"$2" +%s)
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for SNAP in $(ls -1); do
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D=$(echo $SNAP | cut -d_ -f1)
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T=$(echo $SNAP | cut -d_ -f2 | tr - :)
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W=$(date -d "$D $T" +%u)
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if [ -z "$D" -o -z "$T" -o -z "$W" ]; then
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echo "Failed to parse: $SNAP"
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break
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fi
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if [ -n "$PARENT" ]; then
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RESTIC_OPTS="--parent $PARENT"
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else
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RESTIC_OPTS=""
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fi
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if [ "$W" != "7" ]; then continue; fi
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echo $SNAP
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continue
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UNIX=$(date -d"$D $T" +%s)
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if (( $UNIX < $AFTER )); then continue; fi
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pushd $SNAP
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restic backup $RESTIC_OPTS --tag old_btrfs_snapshot --host $HOST --time "$D $T" --ignore-inode .
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popd
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PARENT=$(restic snapshots --tag old_btrfs_snapshot --host $HOST --last --json | jq -r .[0].id)
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done
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