configure

#!/usr/bin/env bash
set -euo pipefail

DONE='\033[0;32mdone\033[0m'
SHELL_PATH=""
SHELL_VAR=""
FILE=""
DONE_2=""

SHELL=$(basename $SHELL)
case $SHELL in
	"bash")
		SHELL_PATH="PATH=\$(PREFIX)/bin:\$PATH"
		SHELL_VAR="export ORION_LIB=\$(PREFIX)/\$(LIB)/orion"
		FILE="${HOME}/.bash_profile"
		DONE_2="$DONE"
		;;
	"zsh")
		SHELL_PATH="PATH=\$(PREFIX)/bin:\$PATH"
		SHELl_VAR="export ORION_LIB=\$(PREFIX)/\$(LIB)/orion"
		FILE="${HOME}/.zshrc"
		DONE_2="$DONE"
		;;
	"fish")
		SHELL_PATH="set PATH \$(PREFIX)/bin \\\$\$PATH"
		SHELL_VAR="export ORION_LIB=\$(PREFIX)/\$(LIB)/orion"
		FILE="${HOME}/.config/fish/config.fish"
		DONE_2="$DONE"
		;;
	*)
		SHELL_PATH="\033[0;31mfailed\033[0m\nCannot automatically detect your shell.\nPlease add \$(PREFIX) to your PATH and set the ORION_LIB variable to \$(PREFIX)/\$(LIB)."
		FILE="/dev/stdout"
		;;
esac


echo -n "* Generating Makefile ... "
cat > Makefile << EOF
FILES := \$(shell find src/ -name *.rs)

PREFIX ?= /usr/
TARGET := target/release/orion
LIB    := lib/

\$(TARGET) : \$(FILES)
	cargo test
	cargo build --release

update : \$(TARGET) \$(LIB) uninstall
	@echo -n "* Creating Orion directory ... "
	@mkdir -p \$(PREFIX)
	@echo -e "$DONE"
	@echo -n "* Copying Orion binary ... "
	@mkdir -p \$(PREFIX)/bin/
	@cp \$(TARGET) \$(PREFIX)/bin/
	@echo -e "$DONE"
	@echo -n "* Copying Orion core and standard libraries ... "
	@mkdir -p \$(PREFIX)/lib/
	@cp -r \$(LIB) \$(PREFIX)/lib/orion/
	@echo -e "$DONE"

install : update
	@echo -n "* Adding Orion to PATH ... "
	@echo -e ${SHELL_PATH} >> ${FILE}
	@echo -e "${DONE_2}"
	@echo -n "* Setting ORION_LIB ... "
	@echo -e ${SHELL_VAR} >> ${FILE}
	@echo -e "${DONE_2}"

uninstall : \$(PREFIX)
	@echo -n "* Removing Orion binary ... "
	@rm -fr \$(PREFIX)/bin/orion
	@echo -e "$DONE"
	@echo -n "* Removing Orion library ... "
	@rm -fr \$(PREFIX)/lib/orion/
	@echo -e "$DONE"

EOF
echo -e $DONE