$ git clone -n https://src.fedoraproject.org/rpms/intel-igc.git /var/lib/mock/f39-build-1511283-35526/root/chroot_tmpdir/scmroot/intel-igc
Cloning into '/var/lib/mock/f39-build-1511283-35526/root/chroot_tmpdir/scmroot/intel-igc'...
$ git fetch origin 7cabcaa36148848f1d4a865fc1c7f912b963d69c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/intel-igc
 * [new ref]         7cabcaa36148848f1d4a865fc1c7f912b963d69c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7cabcaa intel-igc-1.0.15313.1