$ git clone -n https://src.fedoraproject.org/rpms/firefox.git /var/lib/mock/f41-build-820124-152083/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/f41-build-820124-152083/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin f6632082a98d9bc4c301839642a5031a2933abef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/firefox
 * [new ref]         f6632082a98d9bc4c301839642a5031a2933abef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f663208 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild