$ git clone -n https://src.fedoraproject.org/rpms/rb_libtorrent.git /var/lib/mock/f33-build-347615-59585/root/chroot_tmpdir/scmroot/rb_libtorrent
Cloning into '/var/lib/mock/f33-build-347615-59585/root/chroot_tmpdir/scmroot/rb_libtorrent'...
$ git reset --hard 7e561897d697d4db6c06d2abca530d4a115dcab0
HEAD is now at 7e56189 Add BuildRequires:autoconf-archive