$ git clone -n https://src.fedoraproject.org/rpms/gstreamer-plugins-fc.git /var/lib/mock/f40-build-2290236-55961/root/chroot_tmpdir/scmroot/gstreamer-plugins-fc
Cloning into '/var/lib/mock/f40-build-2290236-55961/root/chroot_tmpdir/scmroot/gstreamer-plugins-fc'...
$ git fetch origin 5635f4dc96aae669dbf3f2bdef3b9beaa7f2eac0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gstreamer-plugins-fc
 * [new ref]         5635f4dc96aae669dbf3f2bdef3b9beaa7f2eac0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5635f4d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild