#!/bin/sh
export USER="$(whoami)"
export HOME=/home/"$USER"
export DISPLAY=":0"

set -e

# Don't sync mails while composing
if pgrep -f mcom > /dev/null; then exit; fi
if pgrep -f mfwd > /dev/null; then exit; fi
if pgrep -f mbnc > /dev/null; then exit; fi
if pgrep -f mrep > /dev/null; then exit; fi

# Split outbox emails
mlist -d /data/mail/outbox | mpick -t 'from =~~ "posteo"' | mflag -F | mrefile /data/mail/posteo/Sent

# check for internet connection
ip route ls | grep -q '.'

# check if the gpg-agent is running
pgrep gpg-agent > /dev/null

# Sync email
mbsync -a -q || true

# No further processing if there are no new mails
if ! mdirs /data/mail | mlist -N | grep -q .; then
	exec sleep 1m
fi

# Incorporate new mails and store them in the temp sequence
s="$(mktemp)"
trap "rm '$s'" EXIT KILL
mdirs /data/mail | minc > "$s"

{
	# Ignores
	mpick -t 'subject =~ "\[hackers\] \[slstatus\]"' < "$s"
	mpick -t 'subject =~ "\[hackers\] \[svkdb\]"' < "$s"
	mpick -t 'subject ~~ "*Bump * from * to *" && "cc" !~~ "Felix*"' < "$s"
} | sort | uniq | mflag -Sf > /dev/null