add compression

This commit is contained in:
Artur Gurgul1 2025-08-10 07:30:01 +02:00
parent 75c3228c5e
commit 045d586fb6

View file

@ -111,12 +111,25 @@ done
# Create an archive
#
echo "making the archive"
zstd -T0 --ultra -22 winux.img -o winux.img.zst
# echo "making the archive"
# zstd -T0 --ultra -22 winux.img -o winux.img.zst
# decompression with
# unzstd --sparse winux.img.zst
# or
# zstd -d --sparse winux.img.zst -o winux.img
# # decompression with
# # unzstd --sparse winux.img.zst
# # or
# # zstd -d --sparse winux.img.zst -o winux.img
############# Another option, seems to be the best option
tar --sparse -I 'zstd -T0 --ultra -22 --long=31' \
-cvf winux.img.tar.zst winux.img
# extract
# brew install gnu-tar
# tar -I zstd -xvf winux.img.tar.zst
# on macOS /opt/homebrew/opt/gnu-tar/libexec/gnubin/tar -I 'zstd --long=31' -xvf winux.img.tar.zst winux.img
# compressing with XZ. Supprisely it seems to have worst compresion rate than zstd
# tar --sparse -I 'xz -T0 -9e' -cvf winux.img.tar.xz winux.img
## Extracting
# tar -I xz -xvf winux.img.tar.xz