$ git clone -n https://src.fedoraproject.org/rpms/mingw-gmp.git /var/lib/mock/f40-build-2297523-56469/root/chroot_tmpdir/scmroot/mingw-gmp
Cloning into '/var/lib/mock/f40-build-2297523-56469/root/chroot_tmpdir/scmroot/mingw-gmp'...
$ git fetch origin 3bcf80f2e0f8987bac2c26214b82ea8f56fb03e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-gmp
 * [new ref]         3bcf80f2e0f8987bac2c26214b82ea8f56fb03e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3bcf80f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild