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[FIRSTBOOT] Prevent over&down-resizing of FAT part.

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Apaczer
2023-08-11 20:19:06 +02:00
parent 9a59e2d38e
commit c087f58371
1 changed files with 10 additions and 1 deletions
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11
board/miyoo/boot/firstboot
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@@ -507,10 +507,19 @@ if (dialog --clear --stdout --ok-label YES --cancel-label NO --title " AUTO-RE
fi
fi
SD_MAX_AVAIL_SIZE_IN_GiB=$(echo "scale=1; ${SD_MAX_AVAIL_SIZE_IN_KiB} / 1024 / 1024" | bc)
P4_SIZE_IN_GiB=$(echo "scale=1; ${P4_SIZE} * 512 / 1024 / 1024 / 1024" | bc)
# roundup GiB value to 0,1GB for integer calculations:
SD_MAX_AVAIL_SIZE_IN_GiBx10=$(echo "$SD_MAX_AVAIL_SIZE_IN_GiB" | tr -d ".")
P4_SIZE_IN_GiBx10=$(echo "$P4_SIZE_IN_GiB" | tr -d ".")
#Sanity checks if we don't down- or over-resize partition:
if (test "$P4_SIZE_IN_GiBx10" -ge "$SD_MAX_AVAIL_SIZE_IN_GiBx10" || test "$SD_MAX_UNALL_SIZE_IN_MiB" -le 0); then
echo "Your MAIN partition is greater than available space for resizing or you lack unallocated sectors space" | tee -a ${LOG}
sleep 1.5
RESIZE_ABORT=true
fi
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}
#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}