#!/bin/bash APPVM_PATH=$(dirname $(realpath $0)) cd ${APPVM_PATH} if [ ! -f nix/local.nix ]; then echo "[*] There is no local.nix, creating." echo -e "{\n}" >> nix/local.nix fi if [[ "$1" == "build" && "$2" != "" ]]; then if [ -f bin/appvm.${2} ]; then echo "[*] Kill app." pkill -f "$(cat bin/appvm.${2} | grep pgrep | awk '{ print $3 }')" fi if [ -f qemu/qcow2/${2}.qcow2 ]; then echo "[*] Remove old app state." rm qemu/qcow2/${2}.qcow2 fi NIX_PATH=$NIX_PATH:. nix-build '' -A config.system.build.vm -I nixos-config=nix/${2}.nix || exit 1 NIX_SYSTEM=$(realpath result/system) mkdir -p bin RAND_HASH=$(head /dev/urandom | md5sum | awk '{ print $1 }') VM_BIN_PATH=$(realpath qemu/bin/qemu.${RAND_HASH}.${2}) sed "s;NIX_SYSTEM_PLACEHOLDER;${NIX_SYSTEM};" qemu/qemu.template > ${VM_BIN_PATH} sed -i "s;NAME_PLACEHOLDER;${2};" ${VM_BIN_PATH} sed -i "s;HASH_PLACEHOLDER;${RAND_HASH};" ${VM_BIN_PATH} sed -i "s;NIX_DISK_IMAGE_PLACEHOLDER;${APPVM_PATH}/qemu/qcow2/${2}.qcow2;" ${VM_BIN_PATH} RANDOM_PORT=$(/usr/bin/python -c 'import random; print(random.randint(1024,65535))') # TODO Check for port collisions sed -i "s;PORT_PLACEHOLDER;${RANDOM_PORT};" ${VM_BIN_PATH} echo -e "#!/bin/bash\npgrep -f ${RAND_HASH} || {\n\tnohup setsid ${VM_BIN_PATH} >/dev/null 2>&1 &\n\tsleep 1s\n}\nremote-viewer -f spice://127.200.0.1:${RANDOM_PORT}" > bin/appvm.${2} chmod +x ${VM_BIN_PATH} chmod +x bin/appvm.${2} unlink result elif [[ "$1" == "generate-resolution" && "$2" != "" && "$3" != "" ]]; then MONITOR_SIZE="$(xrandr | grep mm | head -n 1 | awk '{ print $(NF-2) " " $(NF) }' | sed 's/mm//g')" CVT="$(cvt ${2} ${3} | grep Modeline)" echo "{" echo " services.xserver.monitorSection = ''" echo " " ${CVT} echo " " Option '"PreferredMode"' $(echo ${CVT} | awk '{ print $2 }') echo " " DisplaySize ${MONITOR_SIZE} # In millimeters echo " '';" echo "}" else echo -e "Usage:\t$0 build APPLICATION" echo -e "or:\t$0 generate-resolution X Y" fi