linux-utils/mailsync

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#!/bin/sh
maildir=~/mail
# find "$maildir" -mindepth 1 -maxdepth 1 -type d ! -name cur ! -name tmp ! -name new ! -name .notmuch -printf '%f\0' | xargs -0 -n1 --max-procs=0 mbsync
mailboxes=$(find "$maildir" -mindepth 1 -maxdepth 1 -type d ! -name cur ! -name tmp ! -name new ! -name .notmuch -printf '%f\n')
LOCKFILE="/tmp/.mailsync.$USER.lock"
# /!\ locking method is susceptible to race condition
# Should be fine for cron job
if [ -e "$LOCKFILE" ] && kill -0 "$(cat "$LOCKFILE")"; then
echo "mailsync is already running"
exit 1
fi
# make sure the lockfile is removed when we exit and then claim it
trap "rm -f $LOCKFILE; exit" INT TERM EXIT
echo $$ > "$LOCKFILE"
for m in $mailboxes; do
mbsync "$m" &
sleep 1
done
wait
fdm fetch
notmuch new
rm -f "$LOCKFILE"