$ git clone -n https://src.fedoraproject.org/rpms/memcached.git /var/lib/mock/f31-build-51821-27556/root/chroot_tmpdir/scmroot/memcached
Cloning into '/var/lib/mock/f31-build-51821-27556/root/chroot_tmpdir/scmroot/memcached'...
$ git reset --hard 39997e82e81e352bbda17c6b8434d359ccb8f67b
HEAD is now at 39997e8 0:1.5.16-1