diff options
Diffstat (limited to 'bin/mailsync')
-rwxr-xr-x | bin/mailsync | 92 |
1 files changed, 53 insertions, 39 deletions
diff --git a/bin/mailsync b/bin/mailsync index 93ec35d..854e1d1 100755 --- a/bin/mailsync +++ b/bin/mailsync @@ -1,71 +1,85 @@ #!/bin/sh -# Sync mail and give notification if there is new mail. +# - 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 "$USER not logged in; sync will not run."; exit ;} # Run only if not already running in other instance -pgrep -x mbsync >/dev/null && { echo "mbsync is already running." ; exit ;} +pgrep mbsync >/dev/null && { echo "mbsync is already running."; exit ;} + +# First, we have to get the right variables for the mbsync file, the pass +# archive, notmuch and the GPG home. This is done by searching common profile +# files for variable assignments. This is ugly, but there are few options that +# will work on the maximum number of machines. +eval "$(grep -h -- \ + "^\s*\(export \)\?\(MBSYNCRC\|PASSWORD_STORE_DIR\|NOTMUCH_CONFIG\|GNUPGHOME\)=" \ + "$HOME/.profile" "$HOME/.bash_profile" "$HOME/.zprofile" "$HOME/.config/zsh/.zprofile" "$HOME/.zshenv" \ + "$HOME/.config/zsh/.zshenv" "$HOME/.bashrc" "$HOME/.zshrc" "$HOME/.config/zsh/.zshrc" \ + "$HOME/.pam_environment" 2>/dev/null)" -# Checks for internet connection and set notification script. -ping -q -c 1 1.1.1.1 > /dev/null || ping -q -c 1 1.0.0.1 > /dev/null || ping -q -c 1 example.org || { echo "No internet connection detected."; 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 GPG_TTY="$(tty)" -# Required to display notifications if run as a cronjob: -export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(id -u)/bus -export DISPLAY=:0.0 +[ -n "$MBSYNCRC" ] && alias mbsync="mbsync -c $MBSYNCRC" || MBSYNCRC="$HOME/.mbsyncrc" -# For individual configurations: -[ -d "$HOME/.local/share/password-store" ] && export PASSWORD_STORE_DIR="$HOME/.local/share/password-store" +lastrun="${XDG_CONFIG_HOME:-$HOME/.config}/mutt/.mailsynclastrun" # 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 ;} - messageinfo() { osascript -e "display notification with title \"📧 $from\" subtitle \"$subject\"" ;} -else - notify() { notify-send --app-name="mutt-wizard" "mutt-wizard" "📬 $2 new mail(s) in \`$1\` account." ;} - messageinfo() { notify-send --app-name="mutt-wizard" "📧$from:" "$subject" ;} -fi +case "$(uname)" in + Darwin) + notify() { osascript -e "display notification \"$2 in $1\" with title \"You've got Mail\" subtitle \"Account: $account\"" && sleep 2 ;} + ;; + *) + case "$(readlink -f /sbin/init)" in + *systemd*|*openrc*) export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(id -u)/bus ;; + esac + # remember if a display server is running since `ps` doesn't always contain a display + pgrepoutput="$(pgrep -ax X\(\|org\|wayland\))" + displays="$(echo "$pgrepoutput" | grep -wo "[0-9]*:[0-9]\+" | sort -u)" + notify() { [ -n "$pgrepoutput" ] && for x in ${displays:-0:}; do + export DISPLAY=$x + notify-send --app-name="mutt-wizard" "New mail!" "📬 $2 new mail(s) in \`$1\` account." + done ;} + ;; +esac # Check account for new mail. Notify if there is new content. syncandnotify() { acc="$(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 "$HOME/.config/mutt/.mailsynclastrun" 2> /dev/null) + new=$(find\ + "$HOME/.local/share/mail/$acc/"[Ii][Nn][Bb][Oo][Xx]/new/\ + "$HOME/.local/share/mail/$acc/"[Ii][Nn][Bb][Oo][Xx]/cur/\ + -type f -newer "$lastrun" 2> /dev/null) newcount=$(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 + case 1 in + $((newcount > 0)) ) notify "$acc" "$newcount" ;; + esac } # Sync accounts passed as argument or all. -if [ "$#" -eq "0" ]; then - accounts="$(awk '/^Channel/ {print $2}' "$HOME/.mbsyncrc")" -else +if [ "$#" -gt "0" ]; then for arg in "$@"; do [ "${arg%${arg#?}}" = '-' ] && opts="${opts:+${opts} }${arg}" && shift 1 done accounts=$* fi - -( kill -46 "$(pidof "${STATUSBAR:-dwmblocks}")" >/dev/null 2>&1 ) 2>/dev/null +[ -z "$accounts" ] && accounts="$(awk '/^Channel/ {print $2}' "$MBSYNCRC")" # Parallelize multiple accounts -for account in $accounts -do +for account in $accounts; do syncandnotify & done wait -( kill -46 "$(pidof "${STATUSBAR:-dwmblocks}")" >/dev/null 2>&1 ) 2>/dev/null -notmuch new 2>/dev/null +notmuch new --quiet #Create a touch file that indicates the time of the last run of mailsync -touch "$HOME/.config/mutt/.mailsynclastrun" +touch "$lastrun" |