$ git clone -n https://src.fedoraproject.org/rpms/gnome-radio.git /var/lib/mock/f45-build-11462-432/root/chroot_tmpdir/scmroot/gnome-radio
Cloning into '/var/lib/mock/f45-build-11462-432/root/chroot_tmpdir/scmroot/gnome-radio'...
$ git fetch origin 15c55f23603cf78d51e6c35674755f4487e8d621:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-radio
 * [new ref]         15c55f23603cf78d51e6c35674755f4487e8d621 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15c55f2 gnome-radio 83.0.2