- set to `google` to use mirror provided by Google, the same as
`USE_MAINLINE_GOOGLE_MIRROR=yes`.
- set to `tuna` to use mirror provided by tsinghua university.
- leave it unset to use offical `git.kernel.org`.
* downloader aria2 replace curl
aria2 is a fast downloader and it can do much more than curl
- skip download when target file exists
- restart an interrupted download session
- multithreading
* remove duplicate download item
* change btrfs compression to zstd and no force compression
* mkfs.btrfs options '--data single --metadata single --label btrfs'
disable dup(duplication) on microsd card
* [fstab] change mountopts[btrfs] compression method to zstd
lzo is no fater than zstd because the low 4k write performance on my
Samsung EVO+ 32GB microsd card.
meanwhile the best io size is above 32k based on benchmark
* replace dd with truncate, create a sparse disk image
* create btrfs subvolume by default
subvolume @ as rootfs, mount at /
subvolume @home as /home, mount at /home
* fix extraargs in armbianEnv.txt
* remove tmpfs mount on /tmp
A zram block device will mount on /tmp by
/usr/lib/armbian/armbian-zram-config.
And instead, mount /media as tmpfs.
* [rsync] add '--inplace' option, optimize for btrfs
* [general.sh] change ntp server to pool.ntp.org
* [general] new option to setup btrfs compression method
for support old and boring 3.x kernels
* [general] set btrfs space cache based kervel version
kernel version above 4.5 select 'v2' as default
* [btrfs] BTRFS_COMPRESSION accept compression ratio
BTRFS_COMPRESSION=zlib
BTRFS_COMPRESSION=zstd:5
BTRFS_COMPRESSION=zstd:12 are acceptable
* [btrfs] set btrfs compression to lzo when input is illegal
* [general] new option DOWNLOAD_MIRROR to select download mirror
current DOWNLOAD_MIRROR=china is used
the mirror is provided by tsinghua university
* [general] replace USE_MAINLINE_GOOGLE_MIRROR with MAINLINE_MIRROR
MAINLINE_MIRROR=google, use google provided mirror
MAINLINE_MIRROR=tuna, use tsinghua provided mirror
leave it empty, use official git.kernel.org
* fix btrfs default compression
* display $fscreateopt
* display_alert BTRFS_COMPRESSION
* try fix BTRFS_COMPRESSION variable not working
* debug fetch_from_repo
* configuration.sh debug BTRFS_COMPRESION
* update logic
* debug checking btrfs compression
* fix variable check,fix local variable usage
* [general] replace USE_MAINLINE_GOOGLE_MIRROR with MAINLINE_MIRROR
MAINLINE_MIRROR=google, use google provided mirror
MAINLINE_MIRROR=tuna, use tsinghua provided mirror
leave it empty, use official git.kernel.org
* [general] new option DOWNLOAD_MIRROR to select download mirror
current DOWNLOAD_MIRROR=china is used
the mirror is provided by tsinghua university
* Revert "try fix BTRFS_COMPRESSION variable not working"
This reverts commit 9814cfb054f6abe87b15ff3675ec8d3cfa68008d.
* Revert "debug fetch_from_repo"
This reverts commit ba571f0d890b0d62a2c7c2ec738f5c362e91fca2.
* add default compression method for mountopts
* remove useless var
* remove debug
* remove debug
* [general] set btrfs space cache based on kernel version
kernel version above 4.5 select 'v2' as default,
below 4.5 select 'v1' as default
* [general] reintroduce USE_MAINLINE_GOOGLE_MIRROR
* [general] case replaces 'if xx ;elif xxx;fi'
* [general] fix always downloading linux-firmware.git
clone to new dir 'linux-firmware-git' instead the old '$plugin_dir/lib/firmware'
,and then copy files as hardlinks.
* [general] create soft link instead of moving directory
* [btrfs] change rootfs subvolume name to @$RELEASE
now, the rootfs subvolume looks like @stretch,@bionic
it is possible to use different distribution in the same btrfs
partition.
