106 lines
2.6 KiB
Bash
Executable File
106 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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# Do some prep work
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command -v /usr/local/bin/telegram-send >/dev/null 2>&1 || {
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echo >&2 "We require telegram-send for this script to run, but it's not installed. Aborting."
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exit 1
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}
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command -v curl >/dev/null 2>&1 || {
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echo >&2 "We require curl for this script to run, but it's not installed. Aborting."
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exit 1
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}
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# global config options
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DRYRUN=0
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BOT_CONF=''
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MESSAGE_URL=''
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FORMAT='markdown'
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# check if we have options
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while :; do
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case $1 in
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--dry)
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DRYRUN=1
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;;
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--format) # Takes an option argument; ensure it has been specified.
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if [ "$2" ]; then
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FORMAT=$2
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shift
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else
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echo 'ERROR: "--format" requires a non-empty option argument.'
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exit 1
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fi
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;;
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--format=?*)
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FORMAT=${1#*=} # Delete everything up to "=" and assign the remainder.
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;;
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--format=) # Handle the case of an empty --format=
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echo 'ERROR: "--format" requires a non-empty option argument.'
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exit 1
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;;
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--message-url) # Takes an option argument; ensure it has been specified.
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if [ "$2" ]; then
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MESSAGE_URL=$2
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shift
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else
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echo 'ERROR: "--message-url" requires a non-empty option argument.'
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exit 1
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fi
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;;
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--message-url=?*)
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MESSAGE_URL=${1#*=} # Delete everything up to "=" and assign the remainder.
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;;
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--message-url=) # Handle the case of an empty --message-url=
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echo 'ERROR: "--message-url" requires a non-empty option argument.'
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exit 1
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;;
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--bot-conf) # Takes an option argument; ensure it has been specified.
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if [ "$2" ]; then
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BOT_CONF=$2
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shift
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else
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echo 'ERROR: "--bot" requires a non-empty option argument.'
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exit 1
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fi
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;;
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--bot-conf=?*)
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BOT_CONF=${1#*=} # Delete everything up to "=" and assign the remainder.
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;;
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--bot-conf=) # Handle the case of an empty --bot=
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echo 'ERROR: "--bot" requires a non-empty option argument.'
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exit 1
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;;
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*) # Default case: No more options, so break out of the loop.
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break ;;
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esac
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shift
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done
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# We must have the bot config details
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if [ -z "${BOT_CONF}" ]; then
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echo >&2 "The BOT config is not set. Aborting."
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exit 1
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fi
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# We must have the message URL
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if [ -z "${MESSAGE_URL}" ]; then
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echo >&2 "The message URL is not set. Aborting."
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exit 1
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fi
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# place the bot config on drive
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echo "${BOT_CONF}" >bot.conf
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# Get the message
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MESSAGE=$(curl -s "${MESSAGE_URL}")
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# check test behaviour
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if (("$DRYRUN" == 1)); then
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echo "Message:\n${MESSAGE}"
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echo "Format: ${FORMAT}"
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else
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/usr/local/bin/telegram-send "${MESSAGE}" --config bot.conf --format "$FORMAT" --disable-web-page-preview
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fi
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exit 0
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