Changes:
- New command
search: find images on Docker Hub. - New option for
clear-cache: pass--orphanto remove only blobs without references. - Support
zstdcompression forbackup,restoreandinstall- only if host Python hascompression.zstd. - Verify content of cached layer blobs.
- Layer whiteout names (.wh..., .wh., .wh..) and trailing-. member names are now filtered like ordinary, closing an escape that emptied the container directory during a plain install.
- Use file descriptors with O_NOFOLLOW for /etc fixups.
- Normalize paths for
proot-distro buildDockerfile's WORKDIR, COPY and ADD commands.