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

   1 #!/bin/bash
   2 # I, Ian Kelling, follow the GNU license recommendations at
   3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
   4 # recommend that small programs, < 300 lines, be licensed under the
   5 # Apache License 2.0. This file contains or is part of one or more small
   6 # programs. If a small program grows beyond 300 lines, I plan to switch
   7 # its license to GPL.
   8
   9 # Copyright 2024 Ian Kelling
  10
  11 # Licensed under the Apache License, Version 2.0 (the "License");
  12 # you may not use this file except in compliance with the License.
  13 # You may obtain a copy of the License at
  14
  15 #     http://www.apache.org/licenses/LICENSE-2.0
  16
  17 # Unless required by applicable law or agreed to in writing, software
  18 # distributed under the License is distributed on an "AS IS" BASIS,
  19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  20 # See the License for the specific language governing permissions and
  21 # limitations under the License.
  22
  23 # hacky way to kill off old leftover processes
  24 pkill -O 1 -x 'prof-tail'
  25
  26 set -e; . /usr/local/lib/bash-bear; set +e
  27
  28 # kill 0 doesn't seem to be documented in man bash, but it kills the
  29 # background processes.
  30 # https://unix.stackexchange.com/questions/67532/what-does-kill-0-do-actually/67552
  31 # commented out because the way I exit prof-tail is from an ssh disconnect from
  32 # the connection dying or killing konsole, and this has no effect on either.
  33 #trap "kill 0" EXIT
  34
  35
  36 xmpp_users=(
  37   anoukr
  38   craigt
  39   dawnbp
  40   devinu
  41   gregf
  42   johnh
  43   jrasata
  44   ksiewicz
  45   michael
  46   miriam
  47   ruben
  48   zoe
  49   jtuttle
  50 )
  51
  52 # start emacs daemon for profanity if it doesnt exist.
  53 if ! pgrep -f '^emacs --daemon=profanity$' &>/dev/null; then
  54   emacs --daemon=profanity &>/dev/null
  55 fi
  56
  57
  58 while true; do
  59   midnight=$(date -d '00:00:00 tomorrow' +%s)
  60   secs_till_midnight=$(( midnight - EPOCHSECONDS ))
  61   log_today=$(date '+%Y_%m_%d').log
  62   logdir=/home/iank/.local/share/profanity/chatlogs/iank_at_fsf.org
  63
  64   # 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
  65   # i expected. todo: investigate if and why that is, and narrow the ||:
  66   # shellcheck disable=SC2046 # intentional
  67   timeout --foreground $secs_till_midnight tail -n0 -qF \
  68           $(for u in ${xmpp_users[@]}; do echo $logdir/${u}_at_fsf.org/$log_today; done) 2>/dev/null \
  69     | awk '$3 != "me:" {print $3; fflush()}'  | sed -u 's/^/pm /;s/@.*//' ||: &
  70
  71   timeout --foreground $secs_till_midnight tail -n0 -qF \
  72           $logdir/rooms/*/$log_today 2>/dev/null \
  73     | awk '$3 != "iank:"' | grep -i '\biank\b' | awk '{print $3; fflush()}' | sed 's/^/room /;s/@.*//' ||:
  74
  75   kill %
  76   sleep 1
  77 done