feat(setup/unix.sh): refactor

packages/haxelib.txt

@@ -0,0 +1,17 @@
+away3d git github.com/moxie-coder/away3d
+flixel git git.disroot.org/FNF-i486-Engine/flixel-fork
+flxanimate git github.com/Dot-Stuff/flxanimate 768740a56b26aa0c072720e0d1236b94afe68e3e
+funkin.vis git github.com/FunkinCrew/funkVis 22b1ce089dd924f15cdc4632397ef3504d464e90
+grig.audio git gitlab.com/haxe-grig/grig.audio.git
+hxcpp git github.com/th2l-devs/hxcpp
+hxdiscord_rpc git github.com/MAJigsaw77/hxdiscord_rpc
+hxvlc git github.com/th2l-devs/hxvlc
+lime git github.com/th2l-devs/lime
+linc_luajit git github.com/th2l-devs/linc_luajit
+openfl git github.com/th2l-devs/openfl
+tjson git github.com/moxie-coder/tjson
+flixel-addons release 3.2.3
+flixel-tools release 1.5.1
+flixel-ui release 2.6.0
+hscript release
+hxcpp-debug-server release

packages/system/dpkg.txt

@@ -0,0 +1,6 @@
+libgl-dev
+libncurses-dev
+libx11-dev
+libxi-dev
+libxpm-dev
+libxrandr-dev

packages/system/english.txt

@@ -0,0 +1,6 @@
+an OpenGL implementation with development headers
+ncurses with development headers
+the X11 library with development headers
+the Xi library with development headers
+the Xpm library with development headers
+the Xrandr library with development headers

packages/system/pacman.txt

@@ -0,0 +1,6 @@
+libgl
+ncurses
+libx11
+libxi
+libxpm
+libxrandr

packages/system/portage.txt

@@ -0,0 +1,6 @@
+media-libs/mesa
+sys-libs/ncurses
+x11-libs/libX11
+x11-libs/libXi
+x11-libs/libXpm
+x11-libs/libXrandr

setup/unix.sh

@@ -1,30 +1,283 @@
 #!/bin/sh
-# SETUP FOR MAC AND LINUX SYSTEMS!!!
-# REMINDER THAT YOU NEED HAXE INSTALLED PRIOR TO USING THIS
-# https://haxe.org/download
+
+# Package installation script for POSIX-compatible *nix operating systems
+#
+# The following package managers are currently supported:
+# - dpkg
+# - pacman
+# - Portage
+#
+# Let us know if you use another *nix, such as macOS, Fedora or openSUSE.
+
+current_revision=2
+
+stty_ctrl_c_sends_quit() {
+	old_stty="$(stty -g)" || return 128
+	stty_restored=0
+
+	restore_stty() {
+		[ "$stty_restored" -eq "1" ] && return 0
+
+		stty_restored=1
+
+		stty "$old_stty"
+	}
+
+	trap 'restore_stty' QUIT INT
+
+	stty quit '^C'
+}
 
 message() {
 	printf -- '%s\n' "$*"
 }
 
-message "Installing dependencies..."
-message "This might take a few moments depending on your internet speed."
-sudo apt install libgl-dev libx11-dev libxi-dev libxpm-dev libxrandr-dev libncurses-dev
-haxelib git lime https://github.com/th2l-devs/lime --quiet
-haxelib git openfl https://github.com/th2l-devs/openfl --quiet
-haxelib git flixel https://git.disroot.org/FNF-i486-Engine/flixel-fork --quiet
-haxelib install flixel-addons 3.2.3 --quiet
-haxelib install flixel-tools 1.5.1 --quiet
-haxelib install flixel-ui 2.6.0 --quiet
-haxelib install hscript --quiet
-haxelib install hxcpp-debug-server --quiet
-haxelib git away3d https://github.com/moxie-coder/away3d --quiet
-haxelib git tjson https://github.com/moxie-coder/tjson --quiet
-haxelib git hxcpp https://github.com/th2l-devs/hxcpp --quiet
-haxelib git flxanimate https://github.com/Dot-Stuff/flxanimate 768740a56b26aa0c072720e0d1236b94afe68e3e --quiet
-haxelib git linc_luajit https://github.com/th2l-devs/linc_luajit --quiet
-haxelib git funkin.vis https://github.com/FunkinCrew/funkVis 22b1ce089dd924f15cdc4632397ef3504d464e90 --quiet
-haxelib git grig.audio https://gitlab.com/haxe-grig/grig.audio.git --quiet
-haxelib git hxdiscord_rpc https://github.com/MAJigsaw77/hxdiscord_rpc --quiet
-haxelib git hxvlc https://github.com/th2l-devs/hxvlc --quiet
-message "Finished!"
+indented() {
+	printf -- '    '
+	"$@"
+}
+
+command_exists() {
+	command -v "$1" > /dev/null 2>&1
+}
+
+if ! command_exists tput || [ ! -t 1 ]; then
+	tput() {
+		true  # no operation
+	}
+fi
+
+error() {
+	message "$(tput setaf 1)Error$(tput sgr0): $*" >&2
+}
+
+script_dir="$(dirname "$0")" || return 128
+pkg_list_dir="${script_dir}/../packages"
+if ! [ -d "$pkg_list_dir" ]; then
+	error "Package list directory does not exist"
+	exit 128
+fi
+
+require_command() {
+	if ! command_exists "$1"; then
+		error "Command \"$1\" not found. Please install ${2:-"it"}."
+		exit 127
+	fi
+}
+
+if [ "$(id -u)" -ne "0" ]; then
+	if command_exists doas; then
+		superuser() {
+			doas "$@"
+		}
+	elif command_exists sudo; then
+		superuser() {
+			sudo "$@"
+		}
+	else
+		error 'Neither "doas" nor "sudo" found were found. Please run the script as root.'
+		exit 1
+	fi
+else
+	superuser() {
+		"$@"
+	}
+fi
+
+system_all_installed=1
+system_packages=""
+
+system_package_add() {
+	package="$1"
+
+	system_package_check "$package" && return 0
+
+	system_all_installed=0
+
+	system_packages="$system_packages $package"
+}
+
+system_packages_go() {
+	if [ "$system_all_installed" -eq "1" ]; then
+		indented message "All system packages are already installed."
+		return 0
+	fi
+
+	if ! system_package_install_many $system_packages; then
+		error "Failed to install the system packages."
+		exit 1
+	fi
+}
+
+haxe_all_installed=1
+haxe_packages=""
+haxelib_list_cache=""
+
+haxelib() {
+	if [ "$1" = "list" ]; then
+		if [ -z "$haxelib_list_cache" ]; then
+			haxelib_list_cache="$(command haxelib list)" || exit 1
+		fi
+
+		message "$haxelib_list_cache"
+		return 0
+	fi
+
+	yes | command haxelib "$@" > /dev/null
+}
+
+haxe_package_check() {
+	haxelib list | grep -q "^${1}:"
+}
+
+haxe_package_add() {
+	package="$1"
+
+	haxe_package_check "$package" && return 0
+
+	haxe_all_installed=0
+
+	haxe_packages="$(printf '%s\n%s' "$haxe_packages" "$*")"
+}
+
+haxe_packages_go() {
+	if [ "$haxe_all_installed" -eq "1" ] || [ -z "$haxe_packages" ]; then
+		indented message "All Haxe packages are already installed."
+		return 0
+	fi
+
+	message "$haxe_packages" \
+	| while IFS=" " read -r package type url_or_version git_hash; do
+		[ -z "$package" ] && continue
+
+		indented printf '%s: ' "$package"
+
+		case "$type" in
+			release)
+				cmd="install"
+
+				if [ -n "$url_or_version" ]; then
+					haxelib "$cmd" "$package" "$url_or_version"
+				else
+					haxelib "$cmd" "$package"
+				fi
+				;;
+			git)
+				cmd="git"
+				url="https://${url_or_version}"
+
+				if [ -n "$git_hash" ]; then
+					haxelib "$cmd" "$package" "$url" "$git_hash"
+				else
+					haxelib "$cmd" "$package" "$url"
+				fi
+				;;
+			*)
+				error "Unknown type of package installation"
+				exit 1
+				;;
+		esac
+
+		if [ "$?" -ne "0" ]; then
+			error "An error occurred during installation of Haxe \
+package" "$package"
+			exit 1
+		fi
+
+		message "$(tput setaf 2)OK$(tput sgr0)"
+	done || exit "$?"
+}
+
+safe_break_in() {
+	stty_ctrl_c_sends_quit
+	"$@"
+	restore_stty
+}
+
+# Main
+cat <<EOF
+$(tput setaf 7)setup/unix.sh revision ${current_revision}$(tput sgr0)
+Refactored by Intel A80486DX2-66
+Licensed under Apache License 2.0
+
+EOF
+
+require_command haxelib "Haxe"
+
+if command_exists dpkg; then
+	system_package_manager="dpkg"
+
+	require_command apt-get
+
+	system_package_check() {
+		dpkg -s "$1" > /dev/null 2>&1
+	}
+
+	system_package_install_many() {
+		superuser apt-get install "$@"
+	}
+elif command_exists pacman; then
+	system_package_manager="pacman"
+
+	system_package_check() {
+		pacman -Qi "$1" > /dev/null
+	}
+
+	system_package_install_many() {
+		superuser pacman -S "$@"
+	}
+elif command_exists emerge; then
+	system_package_manager="portage"
+
+	require_command qlist
+
+	system_package_check() {
+		qlist -I "$1"
+	}
+
+	system_package_install_many() {
+		superuser emerge -av "$@"
+	}
+else
+	system_package_manager="unknown"
+fi
+
+if [ "$system_package_manager" = "unknown" ]; then
+	message "Please manually check if these packages are installed:"
+
+	while IFS="" read -r package; do
+		printf '* %s\n' "$package"
+	done < "${pkg_list_dir}/system/english.txt"
+
+	warning() {
+		message
+		message "Please install those packages before proceeding."
+
+		exit 1
+	}
+
+	printf -- 'Press Enter to continue (yes) or Ctrl+C to cancel (no): '
+	trap 'warning' QUIT INT
+	read -r _
+else
+	message "$(tput smul)NOTE$(tput rmul): This might take a few minutes \
+depending on your internet speed."
+	message
+
+	message "Installing system packages:"
+	while IFS="" read -r package; do
+		system_package_add "$package"
+	done < "${pkg_list_dir}/system/${system_package_manager}.txt"
+	safe_break_in system_packages_go
+fi
+
+message "Installing Haxe packages:"
+while IFS=" " read -r package rest; do
+	haxe_package_add "$package" "$rest"
+done < "${pkg_list_dir}/haxelib.txt"
+safe_break_in haxe_packages_go
+
+if [ "$((system_all_installed + haxe_all_installed))" -lt "2" ]; then
+	message
+	message "$(tput setaf 2)All done!$(tput sgr0)"
+fi