iankelling.org Git - distro-setup/blob - prof-tail

   1 #!/bin/bash
   2 set -e; . /usr/local/lib/bash-bear; set +e
   3
   4 # kill 0 doesn't seem to be documented in man bash, but it kills the
   5 # background processes.
   6 # https://unix.stackexchange.com/questions/67532/what-does-kill-0-do-actually/67552
   7 trap "kill 0" EXIT
   8
   9 xmpp_users=(
  10   anoukr
  11   craigt
  12   dawnbp
  13   devinu
  14   gregf
  15   johnh
  16   jrasata
  17   ksiewicz
  18   michael
  19   miriam
  20   ruben
  21   zoe
  22   jtuttle
  23 )
  24
  25 # start emacs daemon for profanity if it doesnt exist.
  26 if ! pgrep -f '^emacs --daemon=profanity$' &>/dev/null; then
  27   emacs --daemon=profanity &>/dev/null
  28 fi
  29
  30
  31 while true; do
  32   midnight=$(date -d '00:00:00 tomorrow' +%s)
  33   secs_till_midnight=$(( midnight - EPOCHSECONDS ))
  34   log_today=$(date '+%Y_%m_%d').log
  35   logdir=/home/iank/.local/share/profanity/chatlogs/iank_at_fsf.org
  36
  37   # when this fails, it has PIPESTATUS: 124 0 1 0 0, which seems to end up with 1 as the overall code, which is not what
  38   # i expected. todo: investigate if and why that is, and narrow the ||:
  39   # shellcheck disable=SC2046 # intentional
  40   timeout --foreground $secs_till_midnight tail -n0 -qF \
  41           $(for u in ${xmpp_users[@]}; do echo $logdir/${u}_at_fsf.org/$log_today; done) 2>/dev/null \
  42     | awk '$3 != "me:" {print $3; fflush()}'  | sed -u 's/^/pm /;s/@.*//' ||: &
  43
  44   timeout --foreground $secs_till_midnight tail -n0 -qF \
  45           $logdir/rooms/*/$log_today 2>/dev/null \
  46     | awk '$3 != "iank:"' | grep -i '\biank\b' | awk '{print $3; fflush()}' | sed 's/^/room /;s/@.*//' ||:
  47
  48   kill %
  49   sleep 1
  50 done