$ git clone -n https://src.fedoraproject.org/rpms/sherlock-project.git /var/lib/mock/f45-build-35950-700/root/chroot_tmpdir/scmroot/sherlock-project
Cloning into '/var/lib/mock/f45-build-35950-700/root/chroot_tmpdir/scmroot/sherlock-project'...
$ git fetch origin 24f2cb8e9cf1ca652a1cd047a17ca4743df9ec0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sherlock-project
 * [new ref]         24f2cb8e9cf1ca652a1cd047a17ca4743df9ec0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24f2cb8 Update to 0.16.2