$ git clone -n https://src.fedoraproject.org/rpms/mingw-graphene.git /var/lib/mock/f45-build-18473-517/root/chroot_tmpdir/scmroot/mingw-graphene
Cloning into '/var/lib/mock/f45-build-18473-517/root/chroot_tmpdir/scmroot/mingw-graphene'...
$ git fetch origin 37f2c0e7e066917c77a23fcc3051485fb3628e44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-graphene
 * [new ref]         37f2c0e7e066917c77a23fcc3051485fb3628e44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37f2c0e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild