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#!/usr/bin/env bash
# systemd daemon: sync quick groups on first run, then full groups every 5
# minutes while neomutt is open. Started/stopped by the wrapped neomutt
# launcher.
set -uo pipefail
# Comma-separated group names, substituted at build time
QUICK_GROUPS="@@QUICK_GROUPS@@"
FULL_GROUPS="@@FULL_GROUPS@@"
INTERVAL="$((5 * 60))"
IFS=',' read -ra QUICK <<<"$QUICK_GROUPS"
IFS=',' read -ra FULL <<<"$FULL_GROUPS"
# sync_groups <group>...: sync the given mbsync groups, then index
sync_groups() {
if (($# == 0)); then
return 0
fi
echo "Syncing: $*"
mbsync "$@"
local status=$?
if ((status != 0)); then
echo "mbsync failed (status $status) for: $*" >&2
return "$status"
fi
echo "Indexing new mail with notmuch..."
notmuch new
}
first=true
while true; do
if $first; then
# Quick pass first so new mail shows up before the slower full sync
sync_groups "${QUICK[@]}"
first=false
fi
sync_groups "${FULL[@]}"
# Safety net: the launcher stops this service when neomutt exits; if that
# didn't happen (hard kill), bail out once neomutt is gone.
if ! pgrep -x neomutt-launche >/dev/null; then
echo "neomutt is not running; stopping sync daemon" >&2
exit 0
fi
# Sleep after syncing and trying to exit, this makes sure that it runs once
# after all neomutt instances closes
sleep "$INTERVAL"
done
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