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[FIRSTBOOT] allow for resizing only of SD<=128GB

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cuz of memory restrain and malloc() errors on fatresize, we add msgbox warning for bigger microSD cards
This commit is contained in:
Apaczer
2023-08-10 21:39:52 +02:00
parent 9b372b192e
commit 9a59e2d38e
1 changed files with 34 additions and 12 deletions
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46
board/miyoo/boot/firstboot
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@@ -467,7 +467,6 @@ if (dialog --clear --ok-label NO --cancel-label YES --stdout --title " License
fi
mount -o remount,ro "${MOUNTDIR}" | tee -a ${LOG}
RESIZE_COMMENCED=false
#grep all partitions current size
SD_SIZE=$(cat "/sys/block/mmcblk0/size")
P1_SIZE=$(cat "/sys/block/mmcblk0/mmcblk0p1/size")
@@ -475,6 +474,7 @@ P2_SIZE=$(cat "/sys/block/mmcblk0/mmcblk0p2/size")
P3_SIZE=$(cat "/sys/block/mmcblk0/mmcblk0p3/size")
P4_SIZE=$(cat "/sys/block/mmcblk0/mmcblk0p4/size")
SD_SIZE_IN_MiB=$((SD_SIZE * 512 / 1024 / 1024))
SD_SIZE_IN_GiB=$((SD_SIZE * 512 / 1024 / 1024 / 1024))
BOOT_SIZE=$(((1016+1) * 1024 / 512)) #bootloader partition=1016K (see `genimage` script in buildroot)
## boot_size calculated to 512 byte sector size blocks, adding +1K as a safety measure for roundups (at fatresize we use KibiBits)
@@ -487,23 +487,45 @@ SD_MAX_UNALL_SIZE_IN_GiB=$(echo "scale=1; ${SD_MAX_UNALL_SIZE} * 512 / 1024 / 10
SD_MAX_AVAIL_SIZE="$((${SD_SIZE} - (${P1_SIZE} + ${P2_SIZE} + ${P3_SIZE}) - $BOOT_SIZE))"
SD_MAX_AVAIL_SIZE_IN_KiB=$((SD_MAX_AVAIL_SIZE * 512 / 1024))
RESIZE_COMMENCED=false
# resize the main partition if requested
if (dialog --clear --stdout --ok-label YES --cancel-label NO --title " AUTO-RESIZE" \
--colors --pause "\n\n \ZuExpand MAIN partition?\Zn\n\n Select an option & press START
\n\n \ZbWARNING:\Zn\n After 10s auto-resize\n of FAT32 partition will begin." 15 60 10); then
--colors --pause "\n\n \ZuExpand MAIN partition?\Zn\n\n Select an option & press START
\n\n \ZbWARNING:\Zn\n After 10s auto-resize\n of FAT32 partition will begin." 15 60 10); then
clear
RESIZE_ABORT=false
if test "$SD_SIZE_IN_GiB" -ge 128; then
if (dialog --clear --stdout --ok-label NO --cancel-label YES --title " \Zb\Z1WARNING!\Zn" \
--colors --pause "\nYour SD card exceeds max. size for auto-resizing!
\n\nWe could however expand it to 118GB. \n\n \ZuDo you AGREE?\Zn
\n\n\ZbINFO: For microSD >128GB big we\n recommend to use your PC!\Zn" 0 0 30 || test $? -eq 255); then
dialog --clear --colors --timeout 2 --msgbox " FAT resizing \ZuABORTED!\Zn" 5 27
clear
RESIZE_ABORT=true
else
SD_MAX_AVAIL_SIZE_IN_KiB=123731968
fi
fi
SD_MAX_AVAIL_SIZE_IN_GiB=$(echo "scale=1; ${SD_MAX_AVAIL_SIZE_IN_KiB} / 1024 / 1024" | bc)
echo "The full size of your SD is ${SD_SIZE_IN_MiB}MB large" | tee -a ${LOG}
echo "Unallocated space available for resizing equals ${SD_MAX_UNALL_SIZE_IN_GiB}GB," | tee -a ${LOG}
echo "and more precisely it's ${SD_MAX_UNALL_SIZE_IN_MiB}MB big" | tee -a ${LOG}
echo "Going to resize the MAIN partition." | tee -a ${LOG}
echo "This can take A LONG TIME, so be patient." | tee -a ${LOG}
umount /dev/mmcblk0p4 | tee -a ${LOG}
fsck.fat -y /dev/mmcblk0p4 | tee -a ${LOG}
fatresize --size="${SD_MAX_AVAIL_SIZE_IN_KiB}"ki -v -p /dev/mmcblk0p4 -n4 | tee -a ${LOG}
fsck.fat -y /dev/mmcblk0p4 | tee -a ${LOG}
echo -n -e \\xEB\\x58\\x90 > /dev/mmcblk0p4
sync
mount -t vfat -o rw,sync,utf8 /dev/mmcblk0p4 ${HOME} | tee -a ${LOG}
#TODO: prevail resizing beyond real AVAILABLE SD space after overwrite of SD_MAX_AVAIL_SIZE_IN_KiB
if ! $RESIZE_ABORT; then
echo "Resizing the MAIN partition to ${SD_MAX_AVAIL_SIZE_IN_GiB}GB." | tee -a ${LOG}
echo "This can take A LONG TIME, so be patient." | tee -a ${LOG}
umount /dev/mmcblk0p4 | tee -a ${LOG}
fsck.fat -y /dev/mmcblk0p4 | tee -a ${LOG}
#TODO: fix outputting logs from fatresize stdout
fatresize --size="${SD_MAX_AVAIL_SIZE_IN_KiB}"ki -v -p /dev/mmcblk0p4 -n4 | tee -a ${LOG}
fsck.fat -y /dev/mmcblk0p4 | tee -a ${LOG}
echo -n -e \\xEB\\x58\\x90 > /dev/mmcblk0p4
sync
mount -t vfat -o rw,sync,utf8 /dev/mmcblk0p4 ${HOME} | tee -a ${LOG}
else
echo "MAIN fat partition resizing was aborted!" | tee -a ${LOG}
sleep 2
fi
RESIZE_COMMENCED=true
fi