$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-GMP.git /var/lib/mock/f41-build-817464-150784/root/chroot_tmpdir/scmroot/perl-Math-GMP
Cloning into '/var/lib/mock/f41-build-817464-150784/root/chroot_tmpdir/scmroot/perl-Math-GMP'...
$ git fetch origin b6335b73fb4267f1541e65f9ddd5e8ad3cf3b37d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Math-GMP
 * [new ref]         b6335b73fb4267f1541e65f9ddd5e8ad3cf3b37d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6335b7 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild