$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-BigInt-GMP.git /var/lib/mock/f41-build-817460-150784/root/chroot_tmpdir/scmroot/perl-Math-BigInt-GMP
Cloning into '/var/lib/mock/f41-build-817460-150784/root/chroot_tmpdir/scmroot/perl-Math-BigInt-GMP'...
$ git fetch origin c0bef7cb5488fe7e8f7bbf1a0e5fe241759a52c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Math-BigInt-GMP
 * [new ref]         c0bef7cb5488fe7e8f7bbf1a0e5fe241759a52c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0bef7c Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild