# Squash

## Gensquashfs from dir .

```bash
gensquashfs -f -D . -A ../xattr.txt -c zstd -X level=15 ../output.sqfs
```

### Where in xattr.txt
```
# file: img/
security.selinux="unconfined_u:object_r:virt_image_t:s0"

# file: img/virtual-img.raw
security.selinux="unconfined_u:object_r:virt_image_t:s0"
```

## Gensquashfs from list-file

```bash
gensquashfs -f -F ./list-file -c xz -X "dictsize=1048576,level=9" -b 1048576 /tmp/output.sqfs
```

### Where in list-file
```
# comment

dir sqfs/path 0755 999 999

file sqfs/path/file 0644 uid git /real/path/to/file
```

## Mksquashfs

```bash
mksquashfs ./ ../output.sqfs -comp xz -Xdict-size 100% -b 1048576 -force-uid 0 -force-gid 0
```