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Detect if a disk has (most likely) not been installed to and handle accordingly

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The default qcow2 is 197632, so double that and anything smaller is considered unsed. Makes booting to a live session many times easier.
This commit is contained in:
Martin Wimpress 2020-03-19 23:20:46 +00:00
parent 27e5b6a174
commit 34147ab202
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GPG key ID: 61DF940515E06DA3
1 changed files with 12 additions and 3 deletions
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15
quickemu.sh
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@ -83,11 +83,20 @@ function vm_boot() {
echo " - BIOS: Legacy"
fi
echo " - Disk: ${disk_img}"
echo " - Size: ${disk}"
echo " - Disk: ${disk_img} (${disk})"
# If the disk is present but doesn't appear to have an install, then
# remove it.
if [ -e ${disk_img} ]; then
local disk_curr_size=$(stat -c%s "${disk_img}")
if [ ${disk_curr_size} -le 395264 ]; then
echo " Looks unused, recreating."
rm "${disk_img}"
fi
fi
if [ ! -f "${disk_img}" ]; then
# If there is no disk image, create a new image.
qemu-img create -q -f qcow2 "${disk_img}" "${disk}"
${QEMU_IMG} create -q -f qcow2 "${disk_img}" "${disk}"
if [ $? -ne 0 ]; then
echo "ERROR! Failed to create ${disk_img} of ${disk}. Stopping here."
exit 1