slacksay

slacksay.sh

#!/bin/sh
# set ft=sh

set -e

# available variables:
#
# SLACKSAY_WEBHOOKURL
# SLACKSAY_CHANNEL
# SLACKSAY_USERNAME
# SLACKSAY_ICON_EMOJI

SLACKSAY_CHANNEL=${SLACKSAY_CHANNEL:-'#bot-test'}
SLACKSAY_USERNAME=${SLACKSAY_USERNAME:-'slacksay'}
SLACKSAY_ICON_EMOJI=${SLACKSAY_ICON_EMOJI:-':ghost:'}

while getopts pvq opt
do
  case $opt in
    p)
      SLACKSAY_PRE=1
      ;;
    v)
      SLACKSAY_CURL_OPTION='-v'
      ;;
    q)
      SLACKSAY_QUIET=1
      ;;
  esac
done

if [ -z "$SLACKSAY_WEBHOOKURL" ]; then
  if [ -z "$SLACKSAY_QUIET" ]; then
    echo 'set $WEBHOOKURL to access Slack.'
  fi
  exit 1
fi


message=$(sed -e 's/"/\\"/g')

if [ -n "$SLACKSAY_PRE" ]; then
  message="\`\`\`${message}\`\`\`"
fi


curl $SLACKSAY_CURL_OPTION -s -S -X POST --data-urlencode \
  'payload={"channel":"'$SLACKSAY_CHANNEL'", "username": "'$SLACKSAY_USERNAME'",
   "icon_emoji": "'$SLACKSAY_ICON_EMOJI'", "text": "'"$message"'"} ' $SLACKSAY_WEBHOOKURL