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More shellcheck compliance. Closes #38 Closes #44

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Martin Wimpress 2021-09-07 12:35:33 +01:00
parent 01e08647ac
commit 57f888ae4c
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GPG key ID: 61DF940515E06DA3
1 changed files with 63 additions and 57 deletions
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quickemu
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@ -3,10 +3,10 @@ export LC_ALL=C
function web_get() { function web_get() {
local URL="${1}" local URL="${1}"
local FILE=$(echo "${URL##*/}") local FILE=""
FILE="${URL##*/}"
if [ ! -e "${VMDIR}/${FILE}" ]; then if [ ! -e "${VMDIR}/${FILE}" ]; then
wget -q -c "${URL}" -O "${VMDIR}/${FILE}" if ! wget -q -c "${URL}" -O "${VMDIR}/${FILE}"; then
if [ $? -ne 0 ]; then
echo "ERROR! Failed to download ${URL}" echo "ERROR! Failed to download ${URL}"
exit 1 exit 1
fi fi
@ -20,7 +20,8 @@ function disk_delete() {
else else
echo "NOTE! ${disk_img} not found. Doing nothing." echo "NOTE! ${disk_img} not found. Doing nothing."
fi fi
local VMNAME=$(basename "${VM}" .conf) local VMNAME=""
VMNAME=$(basename "${VM}" .conf)
local SHORTCUT_DIR="/home/${USER}/.local/share/applications/" local SHORTCUT_DIR="/home/${USER}/.local/share/applications/"
if [ -e "${SHORTCUT_DIR}/${VMNAME}.desktop" ]; then if [ -e "${SHORTCUT_DIR}/${VMNAME}.desktop" ]; then
rm -v "${SHORTCUT_DIR}/${VMNAME}.desktop" rm -v "${SHORTCUT_DIR}/${VMNAME}.desktop"
@ -36,8 +37,7 @@ function snapshot_apply() {
fi fi
if [ -e "${disk_img}" ]; then if [ -e "${disk_img}" ]; then
${QEMU_IMG} snapshot -q -a "${TAG}" "${disk_img}" if ${QEMU_IMG} snapshot -q -a "${TAG}" "${disk_img}"; then
if [ $? -eq 0 ]; then
echo "SUCCESS! Applied snapshot ${TAG} to ${disk_img}" echo "SUCCESS! Applied snapshot ${TAG} to ${disk_img}"
else else
echo "ERROR! Failed to apply snapshot ${TAG} to ${disk_img}" echo "ERROR! Failed to apply snapshot ${TAG} to ${disk_img}"
@ -55,8 +55,7 @@ function snapshot_create() {
fi fi
if [ -e "${disk_img}" ]; then if [ -e "${disk_img}" ]; then
${QEMU_IMG} snapshot -q -c "${TAG}" "${disk_img}" if ${QEMU_IMG} snapshot -q -c "${TAG}" "${disk_img}"; then
if [ $? -eq 0 ]; then
echo "SUCCESS! Created snapshot ${TAG} of ${disk_img}" echo "SUCCESS! Created snapshot ${TAG} of ${disk_img}"
else else
echo "ERROR! Failed to create snapshot ${TAG} of ${disk_img}" echo "ERROR! Failed to create snapshot ${TAG} of ${disk_img}"
@ -74,8 +73,7 @@ function snapshot_delete() {
fi fi
if [ -e "${disk_img}" ]; then if [ -e "${disk_img}" ]; then
${QEMU_IMG} snapshot -q -d "${TAG}" "${disk_img}" if ${QEMU_IMG} snapshot -q -d "${TAG}" "${disk_img}"; then
if [ $? -eq 0 ]; then
echo "SUCCESS! Deleted snapshot ${TAG} of ${disk_img}" echo "SUCCESS! Deleted snapshot ${TAG} of ${disk_img}"
else else
echo "ERROR! Failed to delete snapshot ${TAG} of ${disk_img}" echo "ERROR! Failed to delete snapshot ${TAG} of ${disk_img}"
@ -120,11 +118,11 @@ function enable_usb_passthrough() {
echo " - USB: Device pass-through requested:" echo " - USB: Device pass-through requested:"
echo "#!/usr/bin/env bash" > "${TEMP_SCRIPT}" echo "#!/usr/bin/env bash" > "${TEMP_SCRIPT}"
for DEVICE in "${usb_devices[@]}"; do for DEVICE in "${usb_devices[@]}"; do
VENDOR_ID=$(echo ${DEVICE} | cut -d':' -f1) VENDOR_ID=$(echo "${DEVICE}" | cut -d':' -f1)
PRODUCT_ID=$(echo ${DEVICE} | cut -d':' -f2) PRODUCT_ID=$(echo "${DEVICE}" | cut -d':' -f2)
USB_BUS=$(lsusb -d ${VENDOR_ID}:${PRODUCT_ID} | cut -d' ' -f2) USB_BUS=$(lsusb -d "${VENDOR_ID}:${PRODUCT_ID}" | cut -d' ' -f2)
USB_DEV=$(lsusb -d ${VENDOR_ID}:${PRODUCT_ID} | cut -d' ' -f4 | cut -d':' -f1) USB_DEV=$(lsusb -d "${VENDOR_ID}:${PRODUCT_ID}" | cut -d' ' -f4 | cut -d':' -f1)
USB_NAME=$(lsusb -d ${VENDOR_ID}:${PRODUCT_ID} | cut -d' ' -f7-) USB_NAME=$(lsusb -d "${VENDOR_ID}:${PRODUCT_ID}" | cut -d' ' -f7-)
echo " - ${USB_NAME}" echo " - ${USB_NAME}"
USB_PASSTHROUGH="${USB_PASSTHROUGH} -device usb-host,vendorid=0x${VENDOR_ID},productid=0x${PRODUCT_ID},bus=usb.0" USB_PASSTHROUGH="${USB_PASSTHROUGH} -device usb-host,vendorid=0x${VENDOR_ID},productid=0x${PRODUCT_ID},bus=usb.0"
if [ ! -w "/dev/bus/usb/${USB_BUS}/${USB_DEV}" ]; then if [ ! -w "/dev/bus/usb/${USB_BUS}/${USB_DEV}" ]; then
@ -140,8 +138,7 @@ function enable_usb_passthrough() {
echo echo
cat "${TEMP_SCRIPT}" cat "${TEMP_SCRIPT}"
echo echo
sudo "${TEMP_SCRIPT}" if ! sudo "${TEMP_SCRIPT}"; then
if [ $? -ne 0 ]; then
echo " WARNING! Enabling USB device access failed." echo " WARNING! Enabling USB device access failed."
fi fi
else else
@ -152,8 +149,10 @@ function enable_usb_passthrough() {
} }
function vm_boot() { function vm_boot() {
local VMNAME=$(basename "${VM}" .conf) local VMNAME=""
local VMDIR=$(dirname "${disk_img}") VMNAME=$(basename "${VM}" .conf)
local VMDIR=""
VMDIR=$(dirname "${disk_img}")
local CPU="-cpu host,kvm=on" local CPU="-cpu host,kvm=on"
local GUEST_TWEAKS="" local GUEST_TWEAKS=""
local DISPLAY_DEVICE="" local DISPLAY_DEVICE=""
@ -162,12 +161,13 @@ function vm_boot() {
local VIRGL="on" local VIRGL="on"
local OUTPUT="sdl" local OUTPUT="sdl"
local OUTPUT_EXTRA="" local OUTPUT_EXTRA=""
local QEMU_VER=$(${QEMU} -version | head -n1 | cut -d' ' -f4 | cut -d'(' -f1) local QEMU_VER=""
QEMU_VER=$(${QEMU} -version | head -n1 | cut -d' ' -f4 | cut -d'(' -f1)
echo "Starting ${VM}" echo "Starting ${VM}"
echo " - QEMU: ${QEMU} v${QEMU_VER}" echo " - QEMU: ${QEMU} v${QEMU_VER}"
# Force to lowercase. # Force to lowercase.
boot=$(echo ${boot,,}) boot=${boot,,}
# Always Boot macOS using EFI # Always Boot macOS using EFI
if [ "${guest_os}" == "macos" ]; then if [ "${guest_os}" == "macos" ]; then
@ -199,7 +199,7 @@ function vm_boot() {
fi fi
# Force to lowercase. # Force to lowercase.
guest_os=$(echo ${guest_os,,}) guest_os=${guest_os,,}
# Make any OS specific adjustments # Make any OS specific adjustments
case ${guest_os} in case ${guest_os} in
linux) linux)
@ -207,8 +207,8 @@ function vm_boot() {
;; ;;
macos) macos)
CPU="-cpu Penryn,vendor=GenuineIntel,kvm=on,+aes,+avx,+avx2,+bmi1,+bmi2,+fma,+invtsc,+movbe,+pcid,+smep,+sse3,+sse4.2,+xgetbv1,+xsave,+xsavec,+xsaveopt" CPU="-cpu Penryn,vendor=GenuineIntel,kvm=on,+aes,+avx,+avx2,+bmi1,+bmi2,+fma,+invtsc,+movbe,+pcid,+smep,+sse3,+sse4.2,+xgetbv1,+xsave,+xsavec,+xsaveopt"
readonly ROT_OSK="bheuneqjbexolgurfrjbeqfthneqrqcyrnfrqbagfgrny(p)NccyrPbzchgreVap" OSK=""
readonly OSK=$(echo ${ROT_OSK} | rot13) OSK=$(echo "bheuneqjbexolgurfrjbeqfthneqrqcyrnfrqbagfgrny(p)NccyrPbzchgreVap" | rot13)
GUEST_TWEAKS="-device isa-applesmc,osk=${OSK}" GUEST_TWEAKS="-device isa-applesmc,osk=${OSK}"
DISPLAY_DEVICE="VGA" DISPLAY_DEVICE="VGA"
VIRGL="off" VIRGL="off"
@ -229,8 +229,7 @@ function vm_boot() {
if [ ! -f "${disk_img}" ]; then if [ ! -f "${disk_img}" ]; then
# If there is no disk image, create a new image. # If there is no disk image, create a new image.
mkdir -p "${VMDIR}" 2>/dev/null mkdir -p "${VMDIR}" 2>/dev/null
${QEMU_IMG} create -q -f qcow2 "${disk_img}" "${disk}" if ! ${QEMU_IMG} create -q -f qcow2 "${disk_img}" "${disk}"; then
if [ $? -ne 0 ]; then
echo "ERROR! Failed to create ${disk_img}" echo "ERROR! Failed to create ${disk_img}"
exit 1 exit 1
fi fi
@ -245,13 +244,12 @@ function vm_boot() {
fi fi
elif [ -e "${disk_img}" ]; then elif [ -e "${disk_img}" ]; then
# Check there isn't already a process attached to the disk image. # Check there isn't already a process attached to the disk image.
QEMU_LOCK_TEST=$(${QEMU_IMG} info "${disk_img}" 2>/dev/null) if ! ${QEMU_IMG} info "${disk_img}" >/dev/null; then
if [ $? -ne 0 ]; then echo " Failed to get \"write\" lock. Is another process using the disk?"
echo " Failed to get "write" lock. Is another process using the disk?"
exit 1 exit 1
else else
DISK_CURR_SIZE=$(stat -c%s "${disk_img}") DISK_CURR_SIZE=$(stat -c%s "${disk_img}")
if [ ${DISK_CURR_SIZE} -le ${DISK_MIN_SIZE} ]; then if [ "${DISK_CURR_SIZE}" -le "${DISK_MIN_SIZE}" ]; then
echo " Looks unused, booting from ${iso}${img}" echo " Looks unused, booting from ${iso}${img}"
if [ -z "${iso}" ] && [ -z "${img}" ]; then if [ -z "${iso}" ] && [ -z "${img}" ]; then
echo "ERROR! You haven't specified a .iso or .img image to boot from." echo "ERROR! You haven't specified a .iso or .img image to boot from."
@ -281,14 +279,15 @@ function vm_boot() {
local CORES_VM="1" local CORES_VM="1"
if [ -z "$cpu_cores" ]; then if [ -z "$cpu_cores" ]; then
local CORES_HOST=$(nproc --all) local CORES_HOST=""
if [ ${CORES_HOST} -ge 32 ]; then CORES_HOST=$(nproc --all)
if [ "${CORES_HOST}" -ge 32 ]; then
CORES_VM="16" CORES_VM="16"
elif [ ${CORES_HOST} -ge 16 ]; then elif [ "${CORES_HOST}" -ge 16 ]; then
CORES_VM="8" CORES_VM="8"
elif [ ${CORES_HOST} -ge 8 ]; then elif [ "${CORES_HOST}" -ge 8 ]; then
CORES_VM="4" CORES_VM="4"
elif [ ${CORES_HOST} -ge 4 ]; then elif [ "${CORES_HOST}" -ge 4 ]; then
CORES_VM="2" CORES_VM="2"
fi fi
else else
@ -299,18 +298,19 @@ function vm_boot() {
local RAM_VM="2G" local RAM_VM="2G"
if [ -z "$ram" ]; then if [ -z "$ram" ]; then
local RAM_HOST=$(free --mega -h | grep Mem | cut -d':' -f2 | cut -d'G' -f1 | sed 's/ //g') local RAM_HOST=""
RAM_HOST=$(free --mega -h | grep Mem | cut -d':' -f2 | cut -d'G' -f1 | sed 's/ //g')
#Round up - https://github.com/wimpysworld/quickemu/issues/11 #Round up - https://github.com/wimpysworld/quickemu/issues/11
RAM_HOST=$(printf '%.*f\n' 0 ${RAM_HOST}) RAM_HOST=$(printf '%.*f\n' 0 "${RAM_HOST}")
if [ ${RAM_HOST} -ge 256 ]; then if [ "${RAM_HOST}" -ge 256 ]; then
RAM_VM="32G" RAM_VM="32G"
elif [ ${RAM_HOST} -ge 128 ]; then elif [ "${RAM_HOST}" -ge 128 ]; then
RAM_VM="16G" RAM_VM="16G"
elif [ ${RAM_HOST} -ge 64 ]; then elif [ "${RAM_HOST}" -ge 64 ]; then
RAM_VM="8G" RAM_VM="8G"
elif [ ${RAM_HOST} -ge 32 ]; then elif [ "${RAM_HOST}" -ge 32 ]; then
RAM_VM="4G" RAM_VM="4G"
elif [ ${RAM_HOST} -ge 16 ]; then elif [ "${RAM_HOST}" -ge 16 ]; then
RAM_VM="3G" RAM_VM="3G"
fi fi
else else
@ -321,20 +321,21 @@ function vm_boot() {
local X_RES=1152 local X_RES=1152
local Y_RES=648 local Y_RES=648
if [ "${XDG_SESSION_TYPE}" == "x11" ]; then if [ "${XDG_SESSION_TYPE}" == "x11" ]; then
local LOWEST_WIDTH=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f1 | sort | head -n1) local LOWEST_WIDTH=""
if [ ${FULLSCREEN} ]; then LOWEST_WIDTH=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f1 | sort | head -n1)
if [ "${FULLSCREEN}" ]; then
X_RES=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f1 | sort | head -n1) X_RES=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f1 | sort | head -n1)
Y_RES=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f2 | cut -d'x' -f2 | sort | head -n1) Y_RES=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f2 | cut -d'x' -f2 | sort | head -n1)
elif [ ${LOWEST_WIDTH} -ge 3840 ]; then elif [ "${LOWEST_WIDTH}" -ge 3840 ]; then
X_RES=3200 X_RES=3200
Y_RES=1800 Y_RES=1800
elif [ ${LOWEST_WIDTH} -ge 2560 ]; then elif [ "${LOWEST_WIDTH}" -ge 2560 ]; then
X_RES=2048 X_RES=2048
Y_RES=1152 Y_RES=1152
elif [ ${LOWEST_WIDTH} -ge 1920 ]; then elif [ "${LOWEST_WIDTH}" -ge 1920 ]; then
X_RES=1664 X_RES=1664
Y_RES=936 Y_RES=936
elif [ ${LOWEST_WIDTH} -ge 1280 ]; then elif [ "${LOWEST_WIDTH}" -ge 1280 ]; then
X_RES=1152 X_RES=1152
Y_RES=648 Y_RES=648
fi fi
@ -376,7 +377,8 @@ function vm_boot() {
fi fi
# Find a free port to expose ssh to the guest # Find a free port to expose ssh to the guest
local PORT=$(get_port 22220 9) local PORT=""
PORT=$(get_port 22220 9)
if [ -n "${PORT}" ]; then if [ -n "${PORT}" ]; then
NET="${NET},hostfwd=tcp::${PORT}-:22" NET="${NET},hostfwd=tcp::${PORT}-:22"
echo " - ssh: ${PORT}/tcp is connected. Login via 'ssh user@localhost -p ${PORT}'" echo " - ssh: ${PORT}/tcp is connected. Login via 'ssh user@localhost -p ${PORT}'"
@ -388,16 +390,17 @@ function vm_boot() {
if (( ${#port_forwards[@]} )); then if (( ${#port_forwards[@]} )); then
echo " - PORTS: Port forwards requested:" echo " - PORTS: Port forwards requested:"
for FORWARD in "${port_forwards[@]}"; do for FORWARD in "${port_forwards[@]}"; do
HOST_PORT=$(echo ${FORWARD} | cut -d':' -f1) HOST_PORT=$(echo "${FORWARD}" | cut -d':' -f1)
GUEST_PORT=$(echo ${FORWARD} | cut -d':' -f2) GUEST_PORT=$(echo "${FORWARD}" | cut -d':' -f2)
echo " - ${HOST_PORT} => ${GUEST_PORT}" echo " - ${HOST_PORT} => ${GUEST_PORT}"
NET="${NET},hostfwd=tcp::${HOST_PORT}-:${GUEST_PORT}" NET="${NET},hostfwd=tcp::${HOST_PORT}-:${GUEST_PORT}"
done done
fi fi
# Find a free port for spice # Find a free port for spice
local SPICE_PORT=$(get_port 5930 9) local SPICE_PORT=""
if [ ! -n "${SPICE_PORT}" ]; then SPICE_PORT=$(get_port 5930 9)
if [ -z "${SPICE_PORT}" ]; then
echo " - spice: All spice ports have been exhausted." echo " - spice: All spice ports have been exhausted."
fi fi
@ -500,10 +503,12 @@ function vm_boot() {
} }
function shortcut_create { function shortcut_create {
local VMNAME=$(basename "${VM}" .conf) local VMNAME=""
local LAUNCHER_DIR="$(dirname "$(realpath "$0")")" VMNAME=$(basename "${VM}" .conf)
local LAUNCHER_DIR=""
LAUNCHER_DIR="$(dirname "$(realpath "$0")")"
local filename="/home/${USER}/.local/share/applications/${VMNAME}.desktop" local filename="/home/${USER}/.local/share/applications/${VMNAME}.desktop"
cat << EOF > ${filename} cat << EOF > "${filename}"
[Desktop Entry] [Desktop Entry]
Version=1.0 Version=1.0
Type=Application Type=Application
@ -566,7 +571,7 @@ if [ ! -e "${QEMU}" ] && [ ! -e "${QEMU_IMG}" ]; then
fi fi
QEMU_VER=$(${QEMU} -version | head -n1 | cut -d' ' -f4 | cut -d'(' -f1 | sed 's/\.//g') QEMU_VER=$(${QEMU} -version | head -n1 | cut -d' ' -f4 | cut -d'(' -f1 | sed 's/\.//g')
if [ ${QEMU_VER} -lt 600 ]; then if [ "${QEMU_VER}" -lt 600 ]; then
echo "ERROR! Qemu 6.0.0 is newer is required, detected $(${QEMU} -version | head -n1 | cut -d' ' -f4 | cut -d'(' -f1)." echo "ERROR! Qemu 6.0.0 is newer is required, detected $(${QEMU} -version | head -n1 | cut -d' ' -f4 | cut -d'(' -f1)."
exit 1 exit 1
fi fi
@ -621,6 +626,7 @@ else
fi fi
if [ -n "${VM}" ] && [ -e "${VM}" ]; then if [ -n "${VM}" ] && [ -e "${VM}" ]; then
# shellcheck source=/dev/null
source "${VM}" source "${VM}"
if [ -z "${disk_img}" ]; then if [ -z "${disk_img}" ]; then
echo "ERROR! No disk_img defined." echo "ERROR! No disk_img defined."