81 lines
3.3 KiB
Bash
Executable File
81 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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# Purpose {{{
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## Create a temp file (to monitor) if an upgrade is available for Discord client
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## from official website − https://discord.com/download
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## It's based on .deb package installation to check the current version.
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## It can also compare the current available version in APT repositories
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## if "repo" is given as first argument.
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## How-to use {{{
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### 1. Create a cron job, eg :
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#00 20 * * * root /opt/repos/ipr.scripts/app/check.discord.update
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### 2-1 Create a cron job to compare the version available in an APT repository :
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#00 20 * * * root /opt/repos/ipr.scripts/app/check.discord.update repo
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### 2. Monitor the temp file : /tmp/.discord.upgrade
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# Or enable MAILTO in cronjob and edit the script to print a message.
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# Or send a mail.
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# …
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## }}}
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# }}}
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# Expect maximum 1 argument {{{
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if [ $# -gt 1 ]
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then
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cat << HELP
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check.discord.update --
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Compare current version of an installed Discord client and the last available.
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EXAMPLE :
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- Compare the current version installed from .deb file
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check.discord.update
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- Compare the current version from apt's repository
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check.discord.update repo
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HELP
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exit 1
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fi
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# }}}
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# Vars {{{
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DEBUG=1
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if [ $# -eq 1 ] && [ "${1}" = "repo" ] ## If repository's version should be compared
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then
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discord_current_version=$(apt-cache policy -- discord | awk '/Candidate:/ {print $2}' | sed 's/.:\(.*\)-.*/\1/')
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else
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discord_current_version=$(dpkg --list -- discord | awk '/^ii *discord/ {print $3}' | sed 's/.:\(.*\)-.*/\1/')
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fi
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discord_new_version=$(curl --silent 'https://discord.com/api/download?platform=linux&format=deb' --header 'User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.36' | grep " href=\"https" | sed -e 's;.*.deb">.*/apps/linux/\(.*\)/discord.*.deb</a>.*;\1;')
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discord_new_version_file="/tmp/.discord.upgrade"
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discord_new_pkg_url=$(curl --silent 'https://discord.com/api/download?platform=linux&format=deb' --header 'User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.36' | grep " href=\"https" | sed -e 's;.*href="\(.*.deb\)">.*;\1;')
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discord_new_pkg_path="/tmp/discord-${discord_new_version}.deb"
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# }}}
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# Check if the current version is the last one {{{
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if [ "${discord_current_version}" != "${discord_new_version}" ]; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test version — Current version (${discord_current_version}) and new one (${discord_new_version}) seems to be different."
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## Create a temp file to monitor
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touch -- "${discord_new_version_file}"
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printf '\e[1;35m%-6s\e[m\n' "An upgrade is available for Discord client (current : ${discord_current_version}) : ${discord_new_version}." >> "${discord_new_version_file}"
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## If it doesn't already exists, download this new package
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if [ ! -f "${discord_new_pkg_path}" ]; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Download .deb file from discord.com to ${discord_new_pkg_path} ."
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wget --quiet "${discord_new_pkg_url}" --output-document="${discord_new_pkg_path}"
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fi
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else
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test version — The current version is up-to-date."
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## Ensure to remove any temp file and useless .deb file
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rm --force -- "${discord_new_version_file}" "${discord_new_pkg_path}"
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fi
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# }}}
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exit 0
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