$ git clone -n https://src.fedoraproject.org/rpms/zimlib.git /var/lib/mock/f31-build-102015-33468/root/chroot_tmpdir/scmroot/zimlib
Cloning into '/var/lib/mock/f31-build-102015-33468/root/chroot_tmpdir/scmroot/zimlib'...
$ git reset --hard 23c1a3fb405ed80c740c09b005399a3350c95b3d
HEAD is now at 23c1a3f Updated to version 5.0.1.