Add Bullseye installer

install.sh

@@ -7,6 +7,15 @@ APT_HAS_UPDATED=false
 USER_HOME=/home/$SUDO_USER
 RESOURCES_TOP_DIR=$USER_HOME/Pimoroni
 WD=`pwd`
+USAGE="sudo ./install.sh (--unstable)"
+POSITIONAL_ARGS=()
+UNSTABLE=false
+CODENAME=`lsb_release -sc`
+
+if [[ $CODENAME == "bullseye" ]]; then
+	bash ./install-bullseye.sh
+	exit $?
+fi
 
 user_check() {
 	if [ $(id -u) -ne 0 ]; then
@@ -68,6 +77,7 @@ function apt_pkg_install {
 	PACKAGES_IN=("$@")
 	for ((i = 0; i < ${#PACKAGES_IN[@]}; i++)); do
 		PACKAGE="${PACKAGES_IN[$i]}"
+		if [ "$PACKAGE" == "" ]; then continue; fi
 		printf "Checking for $PACKAGE\n"
 		dpkg -L $PACKAGE > /dev/null 2>&1
 		if [ "$?" == "1" ]; then
@@ -88,6 +98,24 @@ function apt_pkg_install {
 	fi
 }
 
+while [[ $# -gt 0 ]]; do
+	K="$1"
+	case $K in
+	-u|--unstable)
+		UNSTABLE=true
+		shift
+		;;
+	*)
+		if [[ $1 == -* ]]; then
+			printf "Unrecognised option: $1\n";
+			printf "Usage: $USAGE\n";
+			exit 1
+		fi
+		POSITIONAL_ARGS+=("$1")
+		shift
+	esac
+done
+
 user_check
 
 apt_pkg_install python-configparser
@@ -137,11 +165,21 @@ EOF
 
 printf "$LIBRARY_NAME $LIBRARY_VERSION Python Library: Installer\n\n"
 
+if $UNSTABLE; then
+	warning "Installing unstable library from source.\n\n"
+else
+	printf "Installing stable library from pypi.\n\n"
+fi
+
 cd library
 
 printf "Installing for Python 2..\n"
 apt_pkg_install "${PY2_DEPS[@]}"
-python setup.py install > /dev/null
+if $UNSTABLE; then
+	python setup.py install > /dev/null
+else
+	pip install --upgrade $LIBRARY_NAME
+fi
 if [ $? -eq 0 ]; then
 	success "Done!\n"
 	echo "pip uninstall $LIBRARY_NAME" >> $UNINSTALLER
@@ -150,7 +188,11 @@ fi
 if [ -f "/usr/bin/python3" ]; then
 	printf "Installing for Python 3..\n"
 	apt_pkg_install "${PY3_DEPS[@]}"
-	python3 setup.py install > /dev/null
+	if $UNSTABLE; then
+		python3 setup.py install > /dev/null
+	else
+		pip3 install --upgrade $LIBRARY_NAME
+	fi
 	if [ $? -eq 0 ]; then
 		success "Done!\n"
 		echo "pip3 uninstall $LIBRARY_NAME" >> $UNINSTALLER
@@ -185,6 +227,7 @@ if [ -d "examples" ]; then
 		inform "Copying examples to $RESOURCES_DIR"
 		cp -r examples/ $RESOURCES_DIR
 		echo "rm -r $RESOURCES_DIR" >> $UNINSTALLER
+		success "Done!"
 	fi
 fi