119 lines
3.6 KiB
Bash
Executable file
119 lines
3.6 KiB
Bash
Executable file
#!/bin/sh
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# Author: TheElectronWill
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# This script downloads the latest version of Discord for linux, and creates a package with rpmbuild.
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rpm_dir=$PWD/RPMs
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desktop_model=$PWD/discord.desktop
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spec_file=$PWD/discord.spec
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work_dir=$PWD/work
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downloaded_dir=$work_dir/discord
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desktop_file=$work_dir/discord.desktop
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# Checks that rpmbuild is installed
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if ! type 'rpmbuild' > /dev/null
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then
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echo "You need the rpm development tools to create rpm packages"
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read -p "Do you want to install rpmdevtools now? This will run sudo dnf install rpmdevtools. [y/N]" answer
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case $answer in
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[Yy]* ) sudo dnf install rpmdevtools;;
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* )
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echo "Ok, I won't install rpmdevtools."
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exit
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;;
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esac
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else
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echo "rpmbuild detected!"
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fi
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# Download the discord tar.gz archive and puts its name in the global variable archive_name.
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function download_discord {
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echo 'Downloading discord canary for linux...'
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wget -q --show-progress --content-disposition "https://discordapp.com/api/download/canary?platform=linux&format=tar.gz"
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archive_name=$(ls *.tar.gz)
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}
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# Asks the user if he/she wants to remove the specified directory, and removes it if he wants to.
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function ask_remove_dir {
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read -p "Do you want to remove the \"$1\" directory? [y/N]" answer
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case $answer in
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[Yy]* )
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rm -r "$1"
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echo "\"$1\" directory removed."
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;;
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* ) echo "Ok, I won't remove it." ;;
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esac
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}
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# If the specified directory exists, asks the user if he/she wants to remove it.
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# If it doesn't exist, creates it.
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function manage_dir {
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if [ -d "$1" ]; then
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echo "The $2 directory already exist. It may contain outdated things."
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ask_remove_dir "$1"
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else
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mkdir "$work_dir"
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fi
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}
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manage_dir "$work_dir" 'work'
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manage_dir "$rpm_dir" 'RPMs'
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cd "$work_dir"
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# Download discord if needed
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archive_name=$(ls *.tar.gz)
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if [ $? -eq 0 ]; then
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echo "Found $archive_name"
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read -p 'Do you want to use this archive instead of downloading a new one? [y/N]' answer
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case $answer in
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[Yy]* )
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echo 'Ok, I will use this this archive.'
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;;
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* )
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download_discord
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;;
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esac
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else
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download_discord
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fi
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# Extracts the archive
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echo 'Extracting the files...'
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archive_name=$(ls *.tar.gz)
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if [ ! -d "$downloaded_dir" ]; then
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mkdir "$downloaded_dir"
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fi
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tar -xzf "$archive_name" -C "$downloaded_dir" --strip 1
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# --strip 1 gets rid of the top archive's directory
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# Gets the discord's version number + icon file name
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echo 'Analysing the files...'
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version_number=$(echo "$archive_name" | cut -d'-' -f3 | rev | cut -c 8- | rev)
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# Explaination on how it works:
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# cut -d'-' -f3 splits the archive's name around the '-' character, and takes the 3rd part
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# For example if archive_name is "discord-canary-0.0.10.tar.gz" we get "0.0.10.tar.gz"
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# Then, rev | cut -c 8- | rev reverse the string, removes the first 7 characters, and re-reverse it.
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# This actually removes the last 8 characters, ie the ".tar.gz" part.
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# So in our example we'll get version_number=0.0.10
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cd "$downloaded_dir"
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icon_name=$(ls *.png)
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echo "Archive: $archive_name"
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echo "Version: $version_number"
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echo "Icon: $icon_name"
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# Creates a .desktop file:
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echo 'Creating .desktop file...'
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sed "s/_version/$version_number/; s/_icon/$icon_name/" "$desktop_model" > "$desktop_file"
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# Chooses the spec file based on the system's architecture and build the packages
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echo 'Creating the RPM package...'
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rpmbuild -bb $spec_file --define "_topdir $work_dir" --define "_rpmdir $rpm_dir" --define "version_number $version_number" --define "downloaded_dir $downloaded_dir" --define "desktop_file $desktop_file"
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echo '-----------'
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echo 'Done!'
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echo "The RPM package is located in the \"RPMs/x86_64\" folder."
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# Removes the work directory if the user wants to
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ask_remove_dir "$work_dir"
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