$ git clone -n https://src.fedoraproject.org/rpms/rust-winit.git /var/lib/mock/f45-build-46214-832/root/chroot_tmpdir/scmroot/rust-winit
Cloning into '/var/lib/mock/f45-build-46214-832/root/chroot_tmpdir/scmroot/rust-winit'...
$ git fetch origin 64876e52df25f51f8fb8aeb465c942db4f55b76a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-winit
 * [new ref]         64876e52df25f51f8fb8aeb465c942db4f55b76a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64876e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild