$ git clone -n https://src.fedoraproject.org/rpms/vmemcache.git /var/lib/mock/f31-build-109573-33943/root/chroot_tmpdir/scmroot/vmemcache
Cloning into '/var/lib/mock/f31-build-109573-33943/root/chroot_tmpdir/scmroot/vmemcache'...
$ git reset --hard f76539671040670f0f70aa6425d10f8bfac59dcf
HEAD is now at f765396 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild