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dd: 修复了当镜像的 efi 分区不是第一个分区时，判断错误为非 efi 镜像

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bin456789 2024-08-13 23:20:06 +08:00
parent 7cc881a82c
commit 169ac4d322
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1 changed files with 3 additions and 3 deletions
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reinstall.sh
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@ -1044,11 +1044,11 @@ setos() {
# od 在 coreutils 里面，好像要配合 tr 才能删除空格
# hexdump 在 util-linux / bsdmainutils 里面
# xxd 要单独安装，el 在 vim-common 里面
# xxd -l $((34 * 4096)) -ps -c 512
# xxd -l $((34 * 4096)) -ps -c 128
# 仅打印前34个扇区 * 4096字节（按最大的算）
# 每行512字节
"$img_type" -dc <"$tmp/img-test" | hexdump -n $((34 * 4096)) -e '512/1 "%02x" "\n"' -v >$tmp/img-test-hex
# 每行128字节
"$img_type" -dc <"$tmp/img-test" | hexdump -n $((34 * 4096)) -e '128/1 "%02x" "\n"' -v >$tmp/img-test-hex
if grep -q '^28732ac11ff8d211ba4b00a0c93ec93b' $tmp/img-test-hex; then
echo 'DD: Image is EFI.'
else