Created
September 14, 2020 13:23
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| #!/bin/bash | |
| set -x | |
| cpio_file=$(mktemp /tmp/magiccpio.XXXXXXX) | |
| cd $1 | |
| find . | cpio -o -H newc > $cpio_file | |
| xz --keep --check=crc32 --lzma2=dict=512KiB $cpio_file | |
| fl=$(stat -c %s $cpio_file.xz) | |
| rem=$(($fl % 4)) | |
| fb= ; | |
| if [ $rem = 0 ]; then | |
| fb=$fl | |
| else | |
| fb=$(($fl + 4 - $rem)) | |
| fi; | |
| dd if=/dev/zero of=$cpio_file.xz4 bs=1 count=$fb | |
| dd if=$cpio_file.xz of=$cpio_file.xz4 conv=notrunc | |
| cd ~ | |
| mv $cpio_file.xz4 $2 |
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