Use the common utils + separate stable and canary installations

create-package.sh

@@ -0,0 +1,104 @@
+#!/bin/bash
+# Author: TheElectronWill
+# This script downloads the latest version of Discord for linux, and creates a package with rpmbuild.
+
+source terminal-colors.sh # Adds color variables
+source basic-checks.sh # Checks that rpmbuild is available and that the script isn't started as root
+source common-functions.sh # Adds utilities functions
+
+rpm_dir="$PWD/RPMs"
+work_dir="$PWD/work"
+downloaded_dir="$work_dir/discord"
+desktop_model="$PWD/discord.desktop"
+arch='x86_64'
+
+# Checks that the version (stable/canary) is given as a parameter.
+if [[ $# -ne 1 || $1 != "stable" && $1 != "canary" ]]; then
+	disp "${red}Wrong or missing parameters!$reset"
+	echo 'Usage: create-package.sh stable/canary'
+	exit
+fi
+discord_type="$1"
+spec_file="$PWD/discord-$discord_type.spec"
+
+if [[ $discord_type == "canary" ]]; then
+	app_name='Discord Canary'
+	exe_name='DiscordCanary'
+	download_url='https://discordapp.com/api/download/canary'
+	cut_part=3
+	desktop_file="$work_dir/discord-canary.desktop"
+else
+	app_name='Discord'
+	exe_name='Discord'
+	download_url='https://discordapp.com/api/download'
+	cut_part=2
+	desktop_file="$work_dir/discord-stable.desktop"
+fi	
+
+# Downloads the discord tar.gz archive and puts its name in the global variable archive_name.
+download_discord() {
+	echo "Downloading discord $discord_type for linux..."
+	wget -q --show-progress --content-disposition "${download_url}?platform=linux&format=tar.gz"
+	archive_name="$(ls *.tar.gz)"
+}
+
+manage_dir "$work_dir" 'work'
+manage_dir "$rpm_dir" 'RPMs'
+cd "$work_dir"
+
+# Downloads discord if needed.
+archive_name="$(ls *.tar.gz 2>/dev/null)"
+if [ $? -eq 0 ]; then
+	echo "Found the archive \"$archive_name\"."
+	ask_yesno 'Use this archive instead of downloading a new one?'
+	case "$answer" in
+		y|Y)
+			echo 'Existing archive selected.'
+			;;
+		*)
+			rm "$archive_name"
+			download_discord
+	esac
+else
+	download_discord
+fi
+
+# Extracts the archive:
+echo
+if [ ! -d "$downloaded_dir" ]; then
+	mkdir "$downloaded_dir"
+fi
+extract "$archive_name" "$downloaded_dir" "--strip 1" # --strip 1 gets rid of the top archive's directory
+
+
+# Gets the discord's version number + icon file name
+echo 'Analysing the files...'
+version_number="$(echo "$archive_name" | cut -d'-' -f$cut_part | rev | cut -c 8- | rev)"
+# cut -d'-' -fn  splits the archive's name around the '-' character, and takes the n-th part
+# For example if archive_name is "discord-0.0.1.tar.gz" we get "0.0.1.tar.gz"
+# Then, rev | cut -c 8- | rev  reverse the string, removes the first 7 characters, and re-reverse it.
+# This actually removes the last 8 characters, ie the ".tar.gz" part.
+# So in our example we'll get version_number=0.0.1
+
+cd "$downloaded_dir"
+icon_name="$(ls *.png)"
+echo " -> Version: $version_number"
+echo " -> Icon: $icon_name"
+
+
+echo 'Creating the .desktop file...'
+sed "s/@version/$version_number/; s/@icon/$icon_name/; s/@exe/$exe_name/; s/@name/$app_name/; s/@type/$discord_type/"\
+	"$desktop_model" > "$desktop_file"
+
+
+disp "${yellow}Creating the RPM package (this may take a while)..."
+rpmbuild --quiet -bb "$spec_file" --define "_topdir $work_dir" --define "_rpmdir $rpm_dir"\
+	--define "version_number $version_number" --define "downloaded_dir $downloaded_dir"\
+	--define "desktop_file $desktop_file"
+
+disp "${bgreen}Done!${reset_font}"
+disp "The RPM package is located in the \"RPMs/$arch\" folder."
+disp '----------------'
+
+ask_remove_dir "$work_dir"
+ask_installpkg