$ git clone -n https://src.fedoraproject.org/rpms/tracker.git /var/lib/mock/f31-build-88369-31975/root/chroot_tmpdir/scmroot/tracker
Cloning into '/var/lib/mock/f31-build-88369-31975/root/chroot_tmpdir/scmroot/tracker'...
$ git reset --hard 746a286ff6a64ecde596afbf96d0de8a39c68bb2
HEAD is now at 746a286 Update to 2.2.99.0