PawletOS/android_device_brcm_rpi4
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mkimg: use fallocate to create the image

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* This is much faster than creating a file by filling it with zeroes.
* Remove unnecessary quotes for consistency.
This commit is contained in:
Konsta
2025-02-19 17:04:25 +02:00
parent 7c4843cf48
commit e8e50c8c90
1 changed files with 9 additions and 5 deletions
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14
mkimg.sh
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@@ -7,7 +7,7 @@
# #
exit_with_error() { exit_with_error() {
echo "$@" echo $@
exit 1 exit 1
} }
@@ -29,10 +29,14 @@ VERSION=RaspberryVanillaAOSP14
DATE=$(date +%Y%m%d) DATE=$(date +%Y%m%d)
TARGET=$(echo ${TARGET_PRODUCT} | sed 's/^aosp_//') TARGET=$(echo ${TARGET_PRODUCT} | sed 's/^aosp_//')
IMGNAME=${VERSION}-${DATE}-${TARGET}.img IMGNAME=${VERSION}-${DATE}-${TARGET}.img
IMGSIZE=7 IMGSIZE=7GiB
if [ -f ${ANDROID_PRODUCT_OUT}/${IMGNAME} ]; then
exit_with_error "${ANDROID_PRODUCT_OUT}/${IMGNAME} already exists!"
fi
echo "Creating image file ${ANDROID_PRODUCT_OUT}/${IMGNAME}..." echo "Creating image file ${ANDROID_PRODUCT_OUT}/${IMGNAME}..."
sudo dd if=/dev/zero of="${ANDROID_PRODUCT_OUT}/${IMGNAME}" bs=1M count=$(echo "${IMGSIZE}*1024" | bc) sudo fallocate -l ${IMGSIZE} ${ANDROID_PRODUCT_OUT}/${IMGNAME}
sync sync
echo "Creating partitions..." echo "Creating partitions..."
@@ -63,10 +67,10 @@ echo c
echo a echo a
echo 1 echo 1
echo w echo w
) | sudo fdisk "${ANDROID_PRODUCT_OUT}/${IMGNAME}" ) | sudo fdisk ${ANDROID_PRODUCT_OUT}/${IMGNAME}
sync sync
LOOPDEV=$(sudo kpartx -av "${ANDROID_PRODUCT_OUT}/${IMGNAME}" | awk 'NR==1{ sub(/p[0-9]$/, "", $3); print $3 }') LOOPDEV=$(sudo kpartx -av ${ANDROID_PRODUCT_OUT}/${IMGNAME} | awk 'NR==1{ sub(/p[0-9]$/, "", $3); print $3 }')
if [ -z ${LOOPDEV} ]; then if [ -z ${LOOPDEV} ]; then
exit_with_error "Unable to find loop device!" exit_with_error "Unable to find loop device!"
fi fi