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emmctool: check file exists before writing and error on box images

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This commit is contained in:
Christian Hewitt 2023-02-26 11:12:24 +00:00
parent 870d6d93ab
commit 585c672686
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1 changed files with 20 additions and 8 deletions
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28
packages/tools/emmctool/scripts/emmctool
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@ -148,19 +148,31 @@ do_write(){
do_umount
case $(dtname) in
radxa,zero)
radxa,zero*)
do_writeprotect
;;
esac
if [ "${2: -7}" == ".img.gz" ]; then
echo "info: writing ${2} to ${EMMC}"
gunzip -c "${2}" | dd of="${EMMC}" bs=1M
elif [ "${2: -4}" == ".img" ]; then
echo "info: writing ${2} to ${EMMC}"
dd if="${2}" of="${EMMC}" bs=1M
if [ -e "${2}" ]; then
case "${2}" in
*box.img.gz|*box.img)
echo "error: ${2} is not a bootable image, aborting!"
exit 1
;;
*.img.gz)
echo "info: writing ${2} to ${EMMC}"
gunzip -c "${2}" | dd of="${EMMC}" bs=1M
;;
*.img)
echo "info: writing ${2} to ${EMMC}"
dd if="${2}" of="${EMMC}" bs=1M
;;
*)
echo "error: ${2} is not a valid image file!"
exit 1
esac
else
echo "error: ${2} is not a valid image file!"
echo "error: ${2} not found!"
exit 1
fi
}