diff options
Diffstat (limited to 'bin/mailsync')
| -rwxr-xr-x | bin/mailsync | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/bin/mailsync b/bin/mailsync new file mode 100755 index 0000000..3fac7c5 --- /dev/null +++ b/bin/mailsync @@ -0,0 +1,94 @@ +#!/bin/sh + +# - 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. + +# 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 user logged in (prevent cron errors) +pgrep -u "${USER:=$LOGNAME}" >/dev/null || { echo "$USER not logged in; sync will not run."; exit ;} +# Run only if not already running in other instance +pgrep -x mbsync >/dev/null && { echo "mbsync is already running." ; exit ;} + +# First, we have to get the right variables for the mbsync file, the pass +# archive, notmuch and the GPG home. This is done by searching common profile +# files for variable assignments. This is ugly, but there are few options that +# will work on the maximum number of machines. +eval "$(grep -h -- \ + "^\s*\(export \)\?\(MBSYNCRC\|PASSWORD_STORE_DIR\|NOTMUCH_CONFIG\|GNUPGHOME\)=" \ + "$HOME/.profile" "$HOME/.bash_profile" "$HOME/.zprofile" "$HOME/.bashrc" "$HOME/.zshrc" "$HOME/.pam_environment" 2>/dev/null)" +# One alternative to this kind of command would be marking the script for +# /bin/sh -l. That might cause other problems on other particular setups that +# do more complicated things on login, or those people who assign environmental +# variables in shell rc files. + +case "$(readlink -f /sbin/init)" in + *systemd*) export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(id -u)/bus ;; +esac +export GPG_TTY=$TTY + +[ -n "$MBSYNCRC" ] && alias mbsync="mbsync -c $MBSYNCRC" || MBSYNCRC="$HOME/.mbsyncrc" + +# Settings are different for MacOS (Darwin) systems. +case "$(uname)" in + Darwin) + notify() { osascript -e "display notification \"$2 in $1\" with title \"You've got Mail\" subtitle \"Account: $account\"" && sleep 2 ;} + messageinfo() { osascript -e "display notification with title \"📧 $from\" subtitle \"$subject\"" ;} + ;; + *) + displays="$(ps axo user,cmd | grep "^$USER\s\+.*Xorg" | grep -wo "[0-9]*:[0-9]\+")" + notify() { for x in $displays; do + export DISPLAY=$x + notify-send --app-name="mutt-wizard" "mutt-wizard" "📬 $2 new mail(s) in \`$1\` account." + done ;} + messageinfo() { for x in $displays; do + export DISPLAY=$x + notify-send --app-name="mutt-wizard" "📧$from:" "$subject" + done ;} + ;; +esac + +# Check account for new mail. Notify if there is new content. +syncandnotify() { + acc="$(echo "$account" | sed "s/.*\///")" + if [ -z "$opts" ]; then mbsync "$acc"; else mbsync "$opts" "$acc"; fi + 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=$(echo "$new" | sed '/^\s*$/d' | wc -l) + if [ "$newcount" -gt "0" ]; then + notify "$acc" "$newcount" & + for file in $new; do + # Extract subject and sender from mail. + from=$(awk '/^From: / && ++n ==1,/^\<.*\>:/' "$file" | perl -CS -MEncode -ne 'print decode("MIME-Header", $_)' | awk '{ $1=""; if (NF>=3)$NF=""; print $0 }' | sed 's/^[[:blank:]]*[\"'\''\<]*//;s/[\"'\''\>]*[[:blank:]]*$//') + subject=$(awk '/^Subject: / && ++n == 1,/^\<.*\>: / && ++i == 2' "$file" | head -n 1 | perl -CS -MEncode -ne 'print decode("MIME-Header", $_)' | sed 's/^Subject: //' | sed 's/^{[[:blank:]]*[\"'\''\<]*//;s/[\"'\''\>]*[[:blank:]]*$//' | tr -d '\n') + messageinfo & + done + fi +} + +# Sync accounts passed as argument or all. +if [ "$#" -eq "0" ]; then + accounts="$(awk '/^Channel/ {print $2}' "$MBSYNCRC")" +else + for arg in "$@"; do + [ "${arg%${arg#?}}" = '-' ] && opts="${opts:+${opts} }${arg}" && shift 1 + done + accounts=$* +fi + +# Parallelize multiple accounts +for account in $accounts; do + syncandnotify & +done + +wait + +notmuch new 2>/dev/null + +#Create a touch file that indicates the time of the last run of mailsync +touch "$HOME/.config/mutt/.mailsynclastrun" |