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47 lines
1.5 KiB
47 lines
1.5 KiB
#!/bin/bash |
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# Script for automatically downloading and checking the sha256sum of a RPi image |
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# Variables |
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DOWNLOAD_LINK=https://downloads.raspberrypi.org/raspios_lite_arm64/images/raspios_lite_arm64-2021-11-08/2021-10-30-raspios-bullseye-arm64-lite.zip |
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IMAGE=2021-10-30-raspios-bullseye-arm64-lite.zip |
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mkdir -p images |
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if [[ -e images/$IMAGE ]]; then |
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echo "Image has already been downloaded." |
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else |
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echo "Downloading Raspberry Pi OS for arm64 architecture" |
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curl -o images/$IMAGE $DOWNLOAD_LINK |
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fi |
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echo "Getting sha256sum and comparing..." |
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cd images |
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curl -so image.sha256 $DOWNLOAD_LINK.sha256 |
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sha256sum $IMAGE > computed.sha256 |
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diff image.sha256 computed.sha256 |
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if [[ $? -eq 0 ]]; then |
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echo "Image is healthy!" |
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else |
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echo "Bad sha256sum :( deleting image" |
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rm ../images/$IMAGE |
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fi |
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rm *.sha256 |
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cd .. |
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#ifeq ($(WRITABLE_BLOCK),) |
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## NOTE: This is not fully functional yet, not sure why |
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#@read -p "Remove your flash drive, and press enter to continue" |
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#@lsblk -pdo NAME,TRAN > current-blocks |
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#@read -p "Insert your writeable drive, and press enter to continue" |
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#@lsblk -pdo NAME,TRAN | diff current-blocks - | grep usb | awk '{print $$2}' > block.txt |
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#@export BLOCK=`cat block.txt` |
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#$(error No USB detected, wait a moment after plugging in and try again) |
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#else |
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# @read -p "the memory block to be modified is $(WRITABLE_BLOCK), ensure this is the drive you wish to write to and press enter to continue" |
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# @unzip -p $(IMAGE) | sudo dd of=$(WRITABLE_BLOCK) bs=4M conv=fsync status=progress |
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# @rm block.txt current-blocks |
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# endif |
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