$ git clone -n https://src.fedoraproject.org/rpms/mbuffer.git /var/lib/mock/f33-build-373860-61518/root/chroot_tmpdir/scmroot/mbuffer
Cloning into '/var/lib/mock/f33-build-373860-61518/root/chroot_tmpdir/scmroot/mbuffer'...
$ git reset --hard 474196dfdb263bcd3441659473fc4fb86a5d1998
HEAD is now at 474196d * Thu Dec 10 2020 Fabian Affolter <mail@fabian-affolter.ch> - 20200929-1 - Update to latest upstream version 20200929