114 lines
4.2 KiB
Bash
Executable File
114 lines
4.2 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 Alacritty
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## project on Github.
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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. Needs releasetags script, in the same directory
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### cf. https://git.ipr.univ-rennes1.fr/cellinfo/scripts/src/master/github/releasetags
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# wget https://git.ipr.univ-rennes1.fr/cellinfo/scripts/raw/master/github/releasetags
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### 2. Create a cron job, eg :
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#00 20 * * * root /opt/repos/ipr.scripts/github/check.alacritty.update
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### 2-1 Create a cron job to compare the version available in a Debian repository :
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#00 20 * * * root /opt/repos/ipr.scripts/github/check.alacritty.update repo
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### 3. Monitor the temp file : /tmp/.github.alacritty.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 [ $# -gt 1 ]
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then
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cat << HELP
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check.alacritty.update --
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Compare current version of an installed Alacritty and the last available.
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EXAMPLE :
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- Compare the current version installed from .deb file
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check.alacritty.update
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- Compare the current version from apt's repository
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check.alacritty.update repo
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HELP
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exit 1
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fi
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# }}}
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# Vars {{{
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DEBUG=1
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script_wd=$(dirname "${0}")
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alacritty_repo_url="https://github.com/barnumbirr/alacritty-debian"
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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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alacritty_current_version=$(apt-cache policy alacritty | awk '/Candidate:/ {print $2}' | sed 's/.:\(.*\)-.*/\1/')
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else
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alacritty_current_version=$(dpkg -l alacritty | awk '/^ii.*alacritty/ {print $3}' | sed 's/.:\(.*\)-.*/\1/')
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fi
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alacritty_new_version=$("${script_wd}"/releasetags "${alacritty_repo_url}" | grep -vE -- '(dev|rc)' | head -n1 | sed 's/v//g')
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alacritty_new_version_file="/tmp/.github.alacritty.upgrade"
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alacritty_new_pkg_url="${alacritty_repo_url}/releases/download/v${alacritty_new_version}/alacritty_${alacritty_new_version}_amd64_bullseye.deb"
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alacritty_tmp_pkg_path="/tmp/.alacritty_${alacritty_new_version}_amd64_bullseye.deb"
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alacritty_new_pkg_path="/tmp/alacritty_${alacritty_new_version}_amd64_bullseye.deb"
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# }}}
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# Check if the current version is the last one {{{
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if [ "${alacritty_current_version}" != "${alacritty_new_version}" ]; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test version — Current version (${alacritty_current_version}) and new one (${alacritty_new_version}) seems to be different."
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## If it doesn't already exists, download this new package
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if [ ! -f "${alacritty_new_pkg_path}" ]; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Download .deb file from Alacritty repository on Github to: ${alacritty_new_pkg_path} ."
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wget --quiet "${alacritty_new_pkg_url}" --output-document="${alacritty_new_pkg_path}"
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fi
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else
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[ "${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 -- "${alacritty_new_version_file}" "${alacritty_new_pkg_path}" "${alacritty_tmp_pkg_path}"
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## Exit
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exit 0
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fi
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# }}}
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# Verify downloaded package {{{
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## If the downloaded package has a size greater than zero {{{
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if [ -s "${alacritty_new_pkg_path}" ]; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Empty file ? — \
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Downloaded package looks good."
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### Create a temp file to monitor
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touch -- "${alacritty_new_version_file}"
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printf '\e[1;35m%-6s\e[m\n' "An upgrade is available for Alacritty terminal (current : ${alacritty_current_version}) : ${alacritty_new_version}." >> "${alacritty_new_version_file}"
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### Exit
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exit 0
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else
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Empty file ? — \
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Empty file, don't need to go further."
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### Ensure to remove the file to monitor
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rm --force -- "${alacritty_new_version_file}"
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### Keep a record of the downloaded package because as a new release might come soon
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mv --force -- "${alacritty_new_pkg_path}" "${alacritty_tmp_pkg_path}"
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### Exit
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exit 0
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fi
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## }}}
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# }}}
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exit 255
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