$ git clone -n https://src.fedoraproject.org/rpms/golang-github-mvo5-uboot.git /var/lib/mock/f45-build-12297-440/root/chroot_tmpdir/scmroot/golang-github-mvo5-uboot
Cloning into '/var/lib/mock/f45-build-12297-440/root/chroot_tmpdir/scmroot/golang-github-mvo5-uboot'...
$ git fetch origin 7eed75aefab1ed768714f63d66e2f6f54e4ff799:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-mvo5-uboot
 * [new ref]         7eed75aefab1ed768714f63d66e2f6f54e4ff799 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7eed75a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild