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shell-scripts/discord-if-distinct.sh
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#!/bin/bash
LOCATION=`dirname "$0"`
source "${LOCATION}/config.sh"
HOOK_ARG="$1"
BOBBY="$2"
# sed removes spaces before each line
MESSAGE=`echo "${@:3}" | sed 's/^ *//'`
# sed removes blank lines from the end of the message
FULL_MESSAGE=`echo "${MESSAGE}" | sed -e :a -e '/^\n*$/{$d;N;ba' -e '}'`
# if message is too long, split it, and after curl, recursively call with remainder
# 2k max, but we must account for escaping text in json, so limit to 90% capacity
EXTRA="${MESSAGE:1800}"
if [ -n "${EXTRA}" ]; then
MESSAGE="${MESSAGE:0:1800}"
# as an added elegance, when spliting into pieces, find the last \n newline,
# and break there instead, but only if the new smaller chunk is of sufficient size
chunk1=`echo "$MESSAGE" | head -n -1`
chunks=`echo "$MESSAGE" | tail -n 1`
if (( "${#chunk1}" >= 1000 )); then
MESSAGE="$chunk1"
EXTRA="${chunks}${EXTRA}"
fi
fi
# sed: rewrite json string, because "\u001b[m" needs to "\u001b[0m" instead
# linux is fine with the missing zero, but discord needs it
MESSAGE=`echo "${MESSAGE}" | jq -aRs . | sed 's/\\\\u001b\[m/\\\\u001b[0m/g'`
HOOK="general"
HOOK_URL=$DISCORD_GENERAL_HOOK
case $HOOK_ARG in
block)
# force block format without color
if [[ "$MESSAGE" != *"\\u001b"* ]]; then
MESSAGE="\"\`\`\`${MESSAGE:1:-1}\n\`\`\`\""
# just here to resolve formatting issue in vim "`"
fi
;;
restake)
HOOK="restake"
HOOK_URL=$DISCORD_RESTAKE_HOOK
;;
thermal)
HOOK="thermal"
HOOK_URL=$DISCORD_THERMAL_HOOK
;;
storage)
HOOK="storage"
HOOK_URL=$DISCORD_STORAGE_HOOK
;;
esac
# if color detected, update message from "<content>" to "```ansi <content>```", so it gets displayed correctly
if [[ "$MESSAGE" == *"\\u001b"* ]]; then
MESSAGE="\"\`\`\`ansi\n${MESSAGE:1:-1}\n\`\`\`\""
# just here to resolve formatting issue in vim "`"
fi
OLD_MSG=""
if [ -f "${LOCATION}/distinct/${BOBBY}.msg" ]; then
OLD_MSG=`cat "${LOCATION}/distinct/${BOBBY}.msg"`
fi
if [ "${FULL_MESSAGE}" != "${OLD_MSG}" ]; then
echo "${FULL_MESSAGE}" > "${LOCATION}/distinct/${BOBBY}.msg"
curl -s -H "Content-Type: application/json" -X POST -d "{\"username\": \"${DISCORD_SERVER_NAME}\", \"content\": ${MESSAGE}}" $HOOK_URL | jq -r '.id'
if [ -n "${EXTRA}" ]; then
"${LOCATION}/discord.sh" "${HOOK}" "${EXTRA}"
fi
fi