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#!/usr/bin/env sh
# Sync mail and give notification if there is new mail.
# Run only if user logged in (prevent cron errors)
pgrep -u "$USER" >/dev/null || exit
# Run only if not already running in other instance
[ "$(pgrep -xf "sh /usr/bin/mailsync.*" | wc -l)" -eq 2 ] || exit
# Checks for internet connection and set notification script.
ping -q -c 1 1.1.1.1 > /dev/null || exit
command -v notify-send >/dev/null || echo "Note that \`libnotify\` or \`libnotify-send\` should be installed for pop-up mail notifications with this script."
export DISPLAY=:0.0
# Settings are different for MacOS (Darwin) systems.
if [ "$(uname)" = "Darwin" ]; then
notify() { osascript -e "display notification \"$2 in $1\" with title \"You've got Mail\" subtitle \"Account: $account\"" && sleep 2 ;}
else
notify() { notify-send "mutt-wizard" "📬 $2 new mail(s) in \`$1\` account." ;}
fi
# Check account for new mail. Notify if there is new content.
syncandnotify() {
acc="$(echo "$account" | sed "s/.*\///")"
mbsync "$acc"
new=$(find "$HOME/.local/share/mail/$acc/INBOX/new/" "$HOME/.local/share/mail/$acc/Inbox/new/" "$HOME/.local/share/mail/$acc/inbox/new/" -type f -newer "$HOME/.config/mutt/.mailsynclastrun" 2> /dev/null)
newcount=$(find "$HOME/.local/share/mail/$acc/INBOX/new/" "$HOME/.local/share/mail/$acc/Inbox/new/" "$HOME/.local/share/mail/$acc/inbox/new/" -type f -newer "$HOME/.config/mutt/.mailsynclastrun" 2> /dev/null | wc -l)
if [ "$newcount" -gt "0" ]; then
notify "$acc" "$newcount" &
for file in $new; do
# Extract subject and sender from mail (room for improvement).
subject=$(grep "^Subject: " "$file" | sed 's/Subject: //' | head -n4)
from=$(grep "^From: " "$file" | awk '{ $1=""; $NF=""; print $0 }' | tr -d "\"\'\<\>" | sed 's/^ \(.*\) $/\1/')
substring="=?"
# Some html emails contain weird Subject and/or Sender formatting, in which case the html tag content is used (room for improvement).
[ "${subject#*$substring}" != "$subject" ] && subject=$(tr '\n' ' ' < "$file" | sed 's/.*<title>\(.*\)<\/title>.*/\1/')
[ "${from#*$substring}" != "$from" ] && from=$(grep ^"From: " "$file" | sed 's/.*<\(.*\)>.*/\1/')
notify-send "📧$from:" "$subject" &
done
fi
}
# Run
if [ "$#" -eq "0" ]; then
accounts="$(ls "$HOME/.local/share/mail")"
else
accounts=$*
fi
echo " 🔃" > /tmp/imapsyncicon_"$USER"
pkill -RTMIN+12 i3blocks >/dev/null 2>&1
# Parallelize multiple accounts
for account in $accounts
do
syncandnotify &
done
wait
rm -f /tmp/imapsyncicon_"$USER"
pkill -RTMIN+12 i3blocks >/dev/null 2>&1
notmuch new 2>/dev/null
#Create a touch file that indicates the time of the last run of mailsync
touch "$HOME/.config/mutt/.mailsynclastrun"
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