make compressing faster and try to fix booting the image

This commit is contained in:
Artur Gurgul1 2025-08-10 07:55:21 +02:00
parent 045d586fb6
commit 8085ed43a2

View file

@ -70,6 +70,9 @@ mount ${WINUX_LOOP_DEV}p1 /mnt/winux
export LINUX_LOOP_DEV="$(losetup --find --show --partscan $LINUX_DISK_IMG)"
tune2fs ${WINUX_LOOP_DEV}p1 -U 1be261e2-a12d-4468-aa45-cbd7e68636eb
mount ${LINUX_LOOP_DEV}p1 /mnt/linux
@ -111,25 +114,33 @@ done
# Create an archive
#
# echo "making the archive"
# zstd -T0 --ultra -22 winux.img -o winux.img.zst
echo "making the archive"
# # decompression with
# # unzstd --sparse winux.img.zst
# # or
# # zstd -d --sparse winux.img.zst -o winux.img
# Best compressing rato, but slow and memory hungry (I LIKE IT)
#tar --sparse -I 'zstd -T0 --ultra -22 --long=31' \
# -cvf winux.img.tar.zst winux.img
## SO I PICKED NOW FOR SPEED
tar --sparse -I 'zstd -T0 -9' -cvf winux.img.tar.zst 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
# on macOS gtar or /opt/homebrew/opt/gnu-tar/libexec/gnubin/tar -I 'zstd --long=31' -xvf winux.img.tar.zst winux.img
# FINISHED
#=======================================================
# 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
#
# 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