$ git clone -n https://src.fedoraproject.org/rpms/os-prober.git /var/lib/mock/f40-build-797785-141532/root/chroot_tmpdir/scmroot/os-prober
Cloning into '/var/lib/mock/f40-build-797785-141532/root/chroot_tmpdir/scmroot/os-prober'...
$ git fetch origin 37d6def8683885f855b72dafd678c025b1b07638:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/os-prober
 * [new ref]         37d6def8683885f855b72dafd678c025b1b07638 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37d6def Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild