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Update vm_boot() to keep most variables in the local scope

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Martin Wimpress 2020-03-19 02:12:36 +00:00
parent 2f8ebe795e
commit 2e4cbd297a
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GPG key ID: 61DF940515E06DA3
1 changed files with 33 additions and 31 deletions
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64
quickemu.sh
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@ -1,25 +1,5 @@
#!/usr/bin/env bash
allcores=$(nproc --all)
if [ ${allcores} -ge 8 ]; then
cores="4"
elif [ ${allcores} -ge 4 ]; then
cores="2"
else
cores="1"
fi
allram=$(free --mega -h | grep Mem | cut -d':' -f2 | cut -d'G' -f1 | sed 's/ //g')
if [ ${allram} -ge 64 ]; then
ram="4G"
elif [ ${allram} -ge 16 ]; then
ram="3G"
else
ram="2G"
fi
disk="64G"
function vm_delete() {
if [ -f "${disk_img}" ]; then
rm "${disk_img}"
@ -50,6 +30,23 @@ function vm_snapshot() {
}
function vm_boot() {
local cores="1"
local allcores=$(nproc --all)
if [ ${allcores} -ge 8 ]; then
cores="4"
elif [ ${allcores} -ge 4 ]; then
cores="2"
fi
local ram="2G"
local allram=$(free --mega -h | grep Mem | cut -d':' -f2 | cut -d'G' -f1 | sed 's/ //g')
if [ ${allram} -ge 64 ]; then
ram="4G"
elif [ ${allram} -ge 16 ]; then
ram="3G"
fi
if [ ! -f "${disk_img}" ]; then
# If there is no disk image, create a new image.
qemu-img create -f qcow2 "${disk_img}" "${disk}"
@ -59,20 +56,24 @@ function vm_boot() {
fi
# Determine what display to use
ver=$(qemu-${ENGINE} -version | head -n1 | cut -d' ' -f4 | cut -d'(' -f1)
local display="-display gtk,grab-on-hover=on"
local ver=$(qemu-${ENGINE} -version | head -n1 | cut -d' ' -f4 | cut -d'(' -f1)
if [ "${ENGINE}" == "virgil" ]; then
display="-display sdl,gl=on"
elif [ "${ver}" == "2.11.1" ]; then
display="-display sdl"
# Fix stuttering mouse pointer when SDL backend is used.
export SDL_VIDEO_X11_DGAMOUSE=0
else
display="-display gtk,grab-on-hover=on"
fi
# TODO: Detect Wayland here and "do the right thing".
# Determine the most suitable 16:9 resolution of for VM based
# on the lowest resolution connected monitor.
LOWEST_WIDTH=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f1 | sort | head -n1)
local xres=800
local yres=600
local LOWEST_WIDTH=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f1 | sort | head -n1)
if [ ${LOWEST_WIDTH} -ge 3840 ]; then
xres=3200
yres=1800
@ -85,27 +86,27 @@ function vm_boot() {
elif [ ${LOWEST_WIDTH} -ge 1280 ]; then
xres=1152
yres=648
else
xres=800
yres=600
fi
local BIOS=""
if [ ${ENABLE_EFI} -eq 1 ]; then
if [ "${ENGINE}" == "virgil" ]; then
if [ "${ENGINE}" == "virgil" ] && [ -e /snap/qemu-virgil/current/usr/share/qemu/OVMF.fd ] ; then
BIOS="-bios /snap/qemu-virgil/current/usr/share/qemu/OVMF.fd"
else
elif [ -e /usr/share/qemu/OVMF.fd ]; then
BIOS="-bios /usr/share/qemu/OVMF.fd"
else
echo "WARNING! EFI booting requested but no EFI firmware found."
echo " Booting from Legacy BIOS."
fi
echo "${BIOS}"
fi
local SAMBA=""
# If smbd is available, export $HOME to the guest via samba
if [ "${ENGINE}" == "virgil" ] && [ -e /snap/qemu-virgil/current/usr/sbin/smbd ]; then
SAMBA=",smb=${HOME}"
elif [ "${ENGINE}" == "system-x86_64" ] && [ -e /usr/sbin/smbd ]; then
SAMBA=",smb=${HOME}"
else
SAMBA=""
fi
if [ -n "${SAMBA}" ]; then
@ -151,6 +152,7 @@ function usage() {
exit 1
}
disk="64G"
BIOS=""
DELETE=0
ENABLE_EFI=0