133 lines
3.9 KiB
Nix
133 lines
3.9 KiB
Nix
{ config, pkgs, ... }:
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let
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shell = "${pkgs.dash}/bin/dash";
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pidof = "${pkgs.procps}/bin/pidof";
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pgrep = "${pkgs.procps}/bin/pgrep";
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grep = "${pkgs.gnugrep}/bin/grep";
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sed = "${pkgs.gnused}/bin/sed";
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awk = "${pkgs.gawk}/bin/awk";
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perl = "${pkgs.perl}/bin/perl";
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find = "${pkgs.findutils}/bin/find";
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notifySend = "${pkgs.libnotify}/bin/notify-send";
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notmuch = "${pkgs.notmuch}/bin/notmuch";
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head = "${pkgs.coreutils}/bin/head";
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touch = "${pkgs.coreutils}/bin/touch";
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tr = "${pkgs.coreutils}/bin/tr";
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mbsyncrc = "${config.home.homeDirectory}/.mbsyncrc";
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mbsync = "${pkgs.isync}/bin/mbsync -c ${mbsyncrc}";
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maildir = "${config.home.homeDirectory}/Maildir";
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passwordStoreDir = "${config.home.homeDirectory}/.password-store";
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notmuchConfig = "${config.home.homeDirectory}/.config/notmuch/default/config";
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gnupghome = "${config.home.homeDirectory}/.gnupg";
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lastrun = "${config.home.homeDirectory}/.mailsynclastrun";
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in pkgs.writeScriptBin "mailsync" ''
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#!${shell}
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# Run only if not already running in other instance
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${pidof} mbsync >/dev/null && {
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echo "mbsync is already running."
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exit
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}
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export PASSWORD_STORE_DIR="${passwordStoreDir}"
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export NOTMUCH_CONFIG="${notmuchConfig}"
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export GNUPGHOME="${gnupghome}"
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export GPG_TTY=$TTY
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notify() {
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pgrepoutput="$(${pgrep} -a X\(org\|wayland\))"
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displays="$(echo "$pgrepoutput" | ${grep} -wo "[0-9]*:[0-9]\+" | sort -u)"
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[ -n "$pgrepoutput" ] && for x in ''${displays:-0:}; do
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export DISPLAY=$x
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${notifySend} \
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--app-name="email" \
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"email" \
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"📬 $2 new mail(s) in \`$1\` account."
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done
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}
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messageinfo() {
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from="$1"
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subject="$2"
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pgrepoutput="$(${pgrep} -a X\(org\|wayland\))"
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displays="$(echo "$pgrepoutput" | ${grep} -wo "[0-9]*:[0-9]\+" | sort -u)"
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[ -n "$pgrepoutput" ] && for x in ''${displays:-0:}; do
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export DISPLAY=$x
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${notifySend} \
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--app-name="email" \
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"📧$from:" \
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"$subject"
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done
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}
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# Check account for new mail. Notify if there is new content.
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syncandnotify() {
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accounts="$1"
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acc="$(echo "$account" | ${sed} "s/.*\///")"
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if [ -z "$opts" ]; then
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${mbsync} "$acc"
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else
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${mbsync} "$opts" "$acc"
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fi
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new=$(
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${find} \
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"${maildir}/$acc/INBOX/new/" \
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"${maildir}/$acc/Inbox/new/" \
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"${maildir}/mail/$acc/inbox/new/" \
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-type f \
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-newer "${lastrun}" \
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2> /dev/null
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)
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newcount=$(echo "$new" | ${sed} '/^\s*$/d' | wc -l)
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if [ "$newcount" -gt 5 ]; then
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notify "$acc" "$newcount"
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elif [ "$newcount" -gt 0 ]; then
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for file in $new; do
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# Extract subject and sender from mail.
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from=$(
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${awk} '/^From: / && ++n ==1,/^\<.*\>:/' "$file" | \
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${perl} -CS -MEncode -ne 'print decode("MIME-Header", $_)' | \
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${awk} '{ $1=""; if (NF>=3)$NF=""; print $0 }' | \
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${sed} 's/^[[:blank:]]*[\"'\'''\<]*//;s/[\"'\'''\>]*[[:blank:]]*$//'
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)
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subject=$(
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${awk} '/^Subject: / && ++n == 1,/^\<.*\>: / && ++i == 2' "$file" | \
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${head} -n 1 | ${perl} -CS -MEncode -ne 'print decode("MIME-Header", $_)' | \
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${sed} 's/^Subject: //' | \
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${sed} 's/^{[[:blank:]]*[\"'\'''\<]*//;s/[\"'\'''\>]*[[:blank:]]*$//' | \
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${tr} -d '\n'
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)
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messageinfo "$from" "$subject" &
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done
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fi
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}
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# Sync accounts passed as argument or all.
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if [ "$#" -eq "0" ]; then
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accounts="$(${awk} '/^Channel/ {print $2}' "${mbsyncrc}")"
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else
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for arg in "$@"; do
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[ "''${arg%''${arg#?}}" = '-' ] && \
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opts="''${opts:+''${opts} }''${arg}" && \
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shift 1
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done
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accounts=$*
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fi
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# Parallelize multiple accounts
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for account in $accounts; do
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syncandnotify "''${account}" &
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done
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wait
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${notmuch} new 2>/dev/null
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#Create a touch file that indicates the time of the last run of mailsync
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${touch} "${lastrun}"
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''
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