$ git clone -n https://src.fedoraproject.org/rpms/docker-distribution.git /var/lib/mock/f38-build-710074-93229/root/chroot_tmpdir/scmroot/docker-distribution
Cloning into '/var/lib/mock/f38-build-710074-93229/root/chroot_tmpdir/scmroot/docker-distribution'...
$ git reset --hard 02d8f6fccc341adda6853147710ed3dd06cdd25d
HEAD is now at 02d8f6f Update to 2.8.1. Fixes rhbz#2043860