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rsync-notify-multiple
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rsync-notify-multiple
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#!/usr/bin/env bash
# NOTE: There is also rsync's batch mode, but for that we have to have two identical trees
# on each machine. This here supports syncing to multiple remote machines in any state.
args=()
machines=()
while [[ $# -gt 0 ]]; do
case "$1" in
--machine)
machines+=("$2")
shift 2
;;
*)
args+=("$1")
shift 1
;;
esac
done
# NOTE: filter lists are passed from stdin and this page below says that even stdout and err
# are important to keep clean, but till now we had no problems with those
# https://lsyncd.github.io/lsyncd/faq/postscript/
tmp=$(mktemp)
trap 'rm -f "$tmp"' EXIT INT ABRT TERM
cp /dev/stdin "$tmp"
msg="$(basename "${args[-2]}") ->"
for machine in "${machines[@]}"; do
msg+=" $machine"
rsync "${args[@]::${#args[@]}-1}" "$machine:${args[-1]}" < "$tmp" &
done
for job in $(jobs -p); do
if ! wait "$job"; then
notify-send -- "$machine failed"
err=1
fi
done
[ -n "$err" ] && exit 1
readarray -d $'\0' -t files < "$tmp"
IFS=$'\n'
notify-send -- "$msg" "${files[*]}"
exit 0