mirror of
https://github.com/hyperknot/openfreemap.git
synced 2026-05-21 14:02:15 +00:00
51 lines
868 B
Bash
51 lines
868 B
Bash
#!/usr/bin/env bash
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sudo umount mnt || true
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rm -rf mnt
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rm -f image.btrfs
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# make a sparse file
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# make sure it's bigger then the current OSM output
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fallocate -l 300G image.btrfs
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fallocate -l 10G image.btrfs
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# metadata: single needed as default is now DUP
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mkfs.btrfs -v \
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-m single \
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image.btrfs
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# https://btrfs.readthedocs.io/en/latest/btrfs-man5.html#mount-options
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# compression doesn't make sense, data is already gzip compressed
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mkdir -p mnt
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sudo mount -v \
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-t btrfs \
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-o noacl,nobarrier,noatime,max_inline=4096 \
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image2.btrfs mnt
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sudo chown ofm:ofm -R mnt
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../../tile_gen/venv/bin/python ../../tile_gen/extract.py output.mbtiles mnt/extract \
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> "extract_out.log" 2> "extract_err.log"
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# resize to min possible size
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btrfs filesystem usage -b mnt
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btrfs filesystem resize -10G mnt
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sudo btrfs filesystem resize -100M mnt
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sudo umount mnt
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