$ git clone -n https://src.fedoraproject.org/rpms/flamerobin.git /var/lib/mock/f40-build-780410-130947/root/chroot_tmpdir/scmroot/flamerobin
Cloning into '/var/lib/mock/f40-build-780410-130947/root/chroot_tmpdir/scmroot/flamerobin'...
$ git fetch origin 4b3e7f09967631bf9d13c623d6e961426286a7c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flamerobin
 * [new ref]         4b3e7f09967631bf9d13c623d6e961426286a7c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b3e7f0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild