mirror of
https://github.com/hyperknot/openfreemap.git
synced 2026-05-21 22:12:15 +00:00
65 lines
1.4 KiB
Bash
65 lines
1.4 KiB
Bash
#!/usr/bin/env bash
|
|
|
|
# reference:
|
|
# https://www.kernel.org/doc/Documentation/filesystems/ext4.txt
|
|
# https://wiki.archlinux.org/title/ext4
|
|
#
|
|
# -m reserved-blocks-percentage
|
|
# -F Force mke2fs to create a filesystem, even if the specified device is not a partition on a block special device
|
|
#
|
|
# -O feature
|
|
# from /etc/mke2fs.conf
|
|
# defaults: has_journal,extent,huge_file,flex_bg,metadata_csum,64bit,dir_nlink,extra_isize
|
|
# disabling journalling, since it's a read-only fs, as well as other unused features
|
|
#
|
|
# -E extended-options
|
|
# lazy_itable_init - inode table is fully initialized at the time of file system creation
|
|
# nodiscard - Do not attempt to discard blocks at mkfs time.
|
|
#
|
|
# -T news or small
|
|
|
|
|
|
sudo umount mnt || true
|
|
rm -rf mnt
|
|
rm -f image.ext4
|
|
|
|
|
|
# make a sparse file
|
|
# make sure it's bigger then the current OSM output
|
|
fallocate -l 300G image.ext4
|
|
|
|
|
|
mke2fs -t ext4 -v \
|
|
-m 0 \
|
|
-F \
|
|
-O ^has_journal,^extent,^huge_file,^metadata_csum,^64bit,^extra_isize \
|
|
-E lazy_itable_init=0,nodiscard \
|
|
-T small \
|
|
image.ext4
|
|
|
|
mkdir mnt
|
|
sudo mount -v \
|
|
-t ext4 \
|
|
-o nobarrier,noatime \
|
|
image.ext4 mnt
|
|
|
|
sudo chown ofm:ofm -R mnt
|
|
|
|
../../tile_gen/venv/bin/python ../../tile_gen/extract.py output.mbtiles mnt/extract \
|
|
> "extract_out.log" 2> "extract_err.log"
|
|
|
|
sudo umount mnt
|
|
|
|
e2fsck -vf image.ext4 && \
|
|
resize2fs -M image.ext4 && \
|
|
e2fsck -vf image.ext4
|
|
|
|
# default to read-only mode
|
|
tune2fs -E mount_opts=ro image.ext4
|
|
|
|
|
|
|
|
|
|
|
|
|