irssi.service

[Unit]
Description=irssi (in tmux)
Documentation=man:irssi(1)
Requires=nss-lookup.target
Wants=network-online.target
After=network-online.target nss-lookup.target

[Service]
Type=forking
TimeoutSec=5
WorkingDirectory=~
Environment=WIDTH=80 HEIGHT=24
EnvironmentFile=-%E/tmux-irssi.env
ExecStart=/bin/sh -c '/usr/bin/tmux -L %p -2 new-session -A -d -x ${WIDTH} -y ${HEIGHT} -s irssi /usr/bin/irssi'

# Send CTRL+u to clear the input line before /quit
ExecStop=-/usr/bin/tmux -L %p send-keys -t irssi:0 C-u
ExecStop=-/usr/bin/tmux -L %p send-keys -t irssi:0 "/quit" Enter

# Sending /quit to irssi is asynchronous, so wait for irssi to exit
# before killing the session in tmux
ExecStop=/bin/sh -c '/usr/bin/timeout 3 /usr/bin/tail --pid=$(/bin/cat %t/irssi.pid || echo 0) -f /dev/null'
ExecStop=-/usr/bin/tmux -L %p kill-session -t irssi

[Install]
WantedBy=default.target