dotfiles/mail/.local/bin/checkmail

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#!/usr/bin/env sh
# runs mbsync, with pre-hooks and post-hooks
# by default, first runs imapfilter
# and after indexes with notmuch
#
# To run without invoking any hooks or retry attempts,
# run `checkmail raw`
# this will simply invoke a single isync run on all
# boxes with the correct config file set.
#
# for more advanced, per-account/channel hooks, see
# https://sourceforge.net/p/isync/feature-requests/8/
MBSYNC_MAX_TRIES=3
MBSYNC_PRE="imapfilter -c /home/marty/.config/imapfilter/config.lua"
MBSYNC_POST="notmuch new"
# fail the routine and optionally send a message why
fail() {
[ -n "$1" ] && echo "$1"
exit 1
}
checkmail() {
mbsync -c "$XDG_CONFIG_HOME/isync/mbsyncrc" -a
}
checkonline() {
# Ping 1.1.1.1 to confirm that we are on the internet
ping -c 1 "1.1.1.1" >/dev/null 2>/dev/null || fail "checkmail can not access the internet."
}
# Routine start
# check
# skip any retries and pre/post hooks, just run mbsync
if [ "$1" = "raw" ]; then
checkmail
exit
fi
main() {
$MBSYNC_PRE
tries=0
while true; do
if checkmail; then
break
fi
tries=$((tries + 1))
if [ $tries -gt $MBSYNC_MAX_TRIES ]; then
fail "maximum retries reached without success."
fi
done
unset tries
$MBSYNC_POST
}
main