$ git clone -n https://src.fedoraproject.org/rpms/wl-gammactl.git /var/lib/mock/f45-build-38415-724/root/chroot_tmpdir/scmroot/wl-gammactl
Cloning into '/var/lib/mock/f45-build-38415-724/root/chroot_tmpdir/scmroot/wl-gammactl'...
$ git fetch origin da78e1adb2fc3a7b8c28452b9582bf9cdf4e0022:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wl-gammactl
 * [new ref]         da78e1adb2fc3a7b8c28452b9582bf9cdf4e0022 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da78e1a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild