README.md: mention `bwrap` and `ethereal` chroot styles.

Signed-off-by: Juan RP <xtraeme@gmail.com>
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Juan RP 2019-06-15 15:33:33 +02:00
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@ -16,6 +16,8 @@ or queried through the `xbps-install(1)` and `xbps-query(1)` utilities, respecti
into a `masterdir` that is used as its main `chroot` directory. `xbps-src` supports
multiple utilities to accomplish this task:
- `bwrap` - bubblewrap, see https://github.com/projectatomic/bubblewrap.
- `ethereal` - only useful for one-shot containers, i.e docker (used with travis).
- `xbps-uunshare(1)` - XBPS utility that uses `user_namespaces(7)` (part of xbps, default).
- `xbps-uchroot(1)` - XBPS utility that uses `namespaces` and must be `setgid` (part of xbps).
- `proot(1)` - utility that implements chroot/bind mounts in user space, see https://proot-me.github.io/.