mailsync (6409B) - View raw
#!/bin/sh # mailsync - synchronize mail accounts. # # Syncs mail for all accounts, or a single account given as an argument. # Displays a notification showing the number of new mails. # Displays a notification for each new mail with its subject displayed. # Runs notmuch to index new mail. # This script can be set up as a cron job for automated mail syncing. # # Copyright (C) 2018-2025 Luke Smith <luke@lukesmith.xyz> # Copyright (C) 2025 awy <awy@awy.one> # # This file is part of aerc-wizard. # # aerc-wizard is free software: you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation, # either version 3 of the License, or (at your option) any later version. # # aerc-wizard is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public # License along with aerc-wizard. If not, see # <https://www.gnu.org/licenses/>. # There are many arbitrary and ugly features in this script because it is # inherently difficult to pass environmental variables to cronjobs and other # issues. It also should at least be compatible with Linux (and maybe BSD) with # Xorg and MacOS as well. # Run only if not already running in other instance pgrep mbsync >/dev/null && { echo "mbsync is already running." exit } # First, we have to get the right variables for the mbsync file, the gopass # archive, notmuch and the GPG home. This is done by searching common profile # files for variable assignments. This is ugly, but there are few options that # will work on the maximum number of machines. eval "$(grep -h -- \ "^\s*\(export \)\?\(MBSYNCRC\|MPOPRC\|PASSWORD_STORE_DIR\|PASSWORD_STORE_GPG_OPTS\|NOTMUCH_CONFIG\|GNUPGHOME\|MAILSYNC_MUTE\|XDG_CONFIG_HOME\|XDG_DATA_HOME\)=" \ "$HOME/.profile" "$HOME/.bash_profile" "$HOME/.zprofile" "$HOME/.config/zsh/.zprofile" "$HOME/.zshenv" \ "$HOME/.config/zsh/.zshenv" "$HOME/.bashrc" "$HOME/.zshrc" "$HOME/.config/zsh/.zshrc" \ "$HOME/.pam_environment" 2>/dev/null)" # For non-interactive shell (e.g. cron job) run only when the GPG key (in $GNUPGHOME or gopass --homedir) is unlocked tty -s || (echo "dummy" | gpg --sign --batch --yes -o /dev/null >/dev/null 2>&1) || exit export GPG_TTY="$(tty)" [ -n "$MBSYNCRC" ] && alias mbsync="mbsync -c $MBSYNCRC" || MBSYNCRC="$HOME/.mbsyncrc" [ -n "$MPOPRC" ] || MPOPRC="$HOME/.config/mpop/config" lastrun="${XDG_CONFIG_HOME:-$HOME/.config}/aerc/.mailsynclastrun" # Settings are different for MacOS (Darwin) systems. case "$(uname)" in Darwin) notify() { osascript -e "display notification \"$2\" with title \"$1\""; } ;; *) case "$(readlink -f /sbin/init)" in *systemd* | *openrc*) export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(id -u)/bus ;; # *dinit*) export DBUS_SESSION_BUS_ADDRESS=$(grep -E -z "DBUS_SESSION_BUS_ADDRESS" "/proc/$(pgrep -x swaybar)/environ" | sed 's/DBUS_SESSION_BUS_ADDRESS=//') ;; esac notify() { if [ -n "$3" ]; then ACTION=$(notify-send \ --action="default=Open email" \ --action="reply=Reply to email" \ --action="delete=Delete email" \ --app-name="aerc-wizard" -- "$1" "$2") spawn_aerc() { if ! pgrep -x aerc >/dev/null; then # No aerc running, start it setsid -f "$TERMINAL" -e aerc >/dev/null until pgrep -x aerc >/dev/null; do sleep 0.1 done fi } case "$ACTION" in default) spawn_aerc setsid -wf aerc :change-tab "$4" >/dev/null setsid -wf aerc :eml "$3" >/dev/null ;; reply) spawn_aerc setsid -wf aerc :change-tab "$4" >/dev/null setsid -wf aerc :eml "$3" >/dev/null setsid -f aerc :reply -q >/dev/null ;; delete) spawn_aerc setsid -wf aerc :change-tab "$4" >/dev/null setsid -wf aerc :eml "$3" >/dev/null setsid -f aerc :move Trash >/dev/null ;; *) ;; esac else notify-send --app-name="aerc-wizard" -- "$1" "$2" fi } ;; esac # Check account for new mail. Notify if there is new content. syncandnotify() { case "$1" in imap) mbsync -q "$2" ;; pop) mpop -q "$2" ;; esac new=$(find "$HOME/.local/share/mail/$2/"[Ii][Nn][Bb][Oo][Xx]/new/ \ "$HOME/.local/share/mail/$2/"[Ii][Nn][Bb][Oo][Xx]/cur/ \ -type f -newer "$lastrun" 2>/dev/null) newcount=$(echo "$new" | sed '/^\s*$/d' | wc -l) case 1 in $((newcount > 5))) echo "$newcount new mails for $2." [ -z "$MAILSYNC_MUTE" ] && notify "New Mail!" "📬 $newcount new mails in \`$2\` account." ;; $((newcount > 0))) echo "$newcount new mail(s) for $2." [ -z "$MAILSYNC_MUTE" ] && for file in $new; do # Extract and decode subject and sender from mail. subject=$(awk '/^Subject: / && ++n == 1,/^.*: / && ++i == 2' "$file" | head -n-1 | perl -CS -MEncode -ne 'print decode("MIME-Header", $_)' | sed 's/^Subject: //' | tr -d '\n\t') from="$(sed -n "/^From:/ s|From: *|| p" "$file" | perl -CS -MEncode -ne 'print decode("MIME-Header", $_)')" from="${from% *}" from="${from%\"}" from="${from#\"}" notify "📧$from:" "$subject" "$file" "$2" done ;; *) echo "No new mail for $2." ;; esac } allaccounts="$(grep -hs "^\(Channel\|Group\|account\)" "$MBSYNCRC" "$MPOPRC")" allaccounts=$(echo "$allaccounts" | grep -v 'gmail\.com-[^ ]*') # Get accounts to sync. All if no argument. Prefix with `error` if non-existent. IFS=' ' if [ -z "$1" ]; then tosync="$allaccounts" else tosync="$(for arg in "$@"; do for availacc in $allaccounts; do [ "$arg" = "${availacc##* }" ] && echo "$availacc" && break done || echo "error $arg"; done)" fi for account in $tosync; do case $account in Channel*) syncandnotify imap "${account##* }" & ;; Group*) syncandnotify imap "${account##* }" & ;; account*) syncandnotify pop "${account##* }" & ;; error*) echo "ERROR: Account ${account##* } not found." ;; esac done wait notmuch new --quiet pkill -RTMIN+12 "${STATUSBAR:-i3blocks}" #Create a touch file that indicates the time of the last run of mailsync touch "$lastrun"