$ git clone -n https://src.fedoraproject.org/rpms/gmp.git /var/lib/mock/f41-build-836116-158763/root/chroot_tmpdir/scmroot/gmp
Cloning into '/var/lib/mock/f41-build-836116-158763/root/chroot_tmpdir/scmroot/gmp'...
$ git fetch origin 1b8bbe6fe57d02d3edd765ce9c5d343fff4695a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gmp
 * [new ref]         1b8bbe6fe57d02d3edd765ce9c5d343fff4695a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b8bbe6 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild