Only format when clang-format is present

build.sh

@@ -1,27 +1,33 @@
 #!/usr/bin/env bash
 
-echo "Formatting.."
-clang-format -i src/uxn.h
-clang-format -i src/uxn.c
-clang-format -i src/devices/ppu.h
-clang-format -i src/devices/ppu.c
-clang-format -i src/devices/apu.h
-clang-format -i src/devices/apu.c
-clang-format -i src/devices/mpu.h
-clang-format -i src/devices/mpu.c
-clang-format -i src/uxnasm.c
-clang-format -i src/uxnemu.c
-clang-format -i src/uxncli.c
-
 echo "Cleaning.."
 rm -f ./bin/uxnasm
 rm -f ./bin/uxnemu
 rm -f ./bin/uxncli
 rm -f ./bin/boot.rom
 
+# When clang-format is present
+
+if command -v clang-format &> /dev/null
+then
+	echo "Formatting.."
+	clang-format -i src/uxn.h
+	clang-format -i src/uxn.c
+	clang-format -i src/devices/ppu.h
+	clang-format -i src/devices/ppu.c
+	clang-format -i src/devices/apu.h
+	clang-format -i src/devices/apu.c
+	clang-format -i src/devices/mpu.h
+	clang-format -i src/devices/mpu.c
+	clang-format -i src/uxnasm.c
+	clang-format -i src/uxnemu.c
+	clang-format -i src/uxncli.c
+fi
+
 mkdir -p bin
 CFLAGS="-std=c89 -Wall -Wno-unknown-pragmas"
 UXNEMU_LDFLAGS="-L/usr/local/lib $(sdl2-config --cflags --libs)"
+
 if cc ${CFLAGS} -c src/devices/mpu.c -o bin/mpu.o 2>/dev/null; then
 	rm -f bin/mpu.o
 	echo "Building with portmidi.."
@@ -30,6 +36,7 @@ else
 	echo "Building without portmidi.."
 	CFLAGS="${CFLAGS} -DNO_PORTMIDI"
 fi
+
 if [ "${1}" = '--debug' ]; 
 then
 	echo "[debug]"
@@ -39,17 +46,17 @@ else
 	CFLAGS="${CFLAGS} -DNDEBUG -Os -g0 -s"
 	CORE='src/uxn-fast.c'
 fi
+
 cc ${CFLAGS} src/uxnasm.c -o bin/uxnasm
 cc ${CFLAGS} ${CORE} src/devices/ppu.c src/devices/apu.c src/devices/mpu.c src/uxnemu.c ${UXNEMU_LDFLAGS} -o bin/uxnemu
 cc ${CFLAGS} ${CORE} src/uxncli.c -o bin/uxncli
 
-echo "Installing.."
 if [ -d "$HOME/bin" ] && [ -e ./bin/uxnemu ] && [ -e ./bin/uxnasm ]
 then
+	echo "Installing in $HOME/bin"
 	cp ./bin/uxnemu $HOME/bin
 	cp ./bin/uxnasm $HOME/bin
 	cp ./bin/uxncli $HOME/bin
-	echo "Installed in $HOME/bin" 
 fi
 
 echo "Assembling.."