build scripts arguments.

src/build.sh

@@ -1,30 +1,80 @@
-#!/bin/bash
+#!/bin/sh
+set -euf
 
-# Lint
-if command -v clang-format &> /dev/null
-then
-	clang-format -i main.c
-fi
+usage() {
+	cat <<EOF
+Usage:
+	./build.sh [options]
+
+Options:
+    -b    Fast build.
+		-d    Debug build (default).
+		-n    Plan 9 build.
+		-r    Raspberry Pi build.
+		-h    This message.
+EOF
+}
+
+lint() {
+	if command -v clang-format &>/dev/null; then
+		clang-format -i main.c
+	fi
+}
 
-# Cleanup
-rm -f ./main
-rm -rf ../site
-mkdir ../site
+cleanup() {
+	rm -f ./main
+	rm -rf ../site
+	mkdir ../site
+}
 
-# Linux(debug)
-cc -std=c99 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wuninitialized -Wextra -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion -Wvla -g -Og -fsanitize=address -fsanitize=undefined main.c -o main
+quickrun() {
+	./main
+	rm -f ./main
+}
 
-# Linux(fast)
-# cc main.c -std=c89 -Os -DNDEBUG -g0 -s -Wall -Wno-unknown-pragmas -o main
+debug_build() {
+	lint
+	cleanup
+	cc -std=c99 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wuninitialized -Wextra -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion -Wvla -g -Og -fsanitize=address -fsanitize=undefined main.c -o main
+	quickrun
+}
 
-# RPi
-# tcc -Wall main.c -o main
+fast_build() {
+	lint
+	cleanup
+	cc main.c -std=c89 -Os -DNDEBUG -g0 -s -Wall -Wno-unknown-pragmas -o main
+	quickrun
+	run
+}
 
-# Plan9
-# pcc main.c -o main
+nine_build() {
+	cleanup
+	pcc main.c -o main
+	quickrun
+	run
+}
 
-# Run
-./main
+rpi_build() {
+	lint
+	cleanup
+	tcc -Wall main.c -o main
+	quickrun
+	run
+}
 
-# Cleanup
-rm -f ./main
+shift $((OPTIND - 1))
+
+while getopts :bdnrh opts; do
+	case "${opts}" in
+	b) fast_build ;;
+	d) debug_build ;;
+	n) nine_build ;;
+	r) rpi_build ;;
+	h) usage ;;
+	\?) usage ;;
+	esac
+done
+
+if [ -z "${1:-}" ]; then
+	debug_build
+fi