$ git clone -n https://src.fedoraproject.org/rpms/gst-devtools.git /var/lib/mock/f40-build-2246433-53814/root/chroot_tmpdir/scmroot/gst-devtools
Cloning into '/var/lib/mock/f40-build-2246433-53814/root/chroot_tmpdir/scmroot/gst-devtools'...
$ git fetch origin f48bc4f16a36e35a7b2bad83dd4951db631dd7a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gst-devtools
 * [new ref]         f48bc4f16a36e35a7b2bad83dd4951db631dd7a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f48bc4f 1.22.8