$ git clone -n https://src.fedoraproject.org/rpms/golang-github-petermattis-goid.git /var/lib/mock/f45-build-12321-440/root/chroot_tmpdir/scmroot/golang-github-petermattis-goid
Cloning into '/var/lib/mock/f45-build-12321-440/root/chroot_tmpdir/scmroot/golang-github-petermattis-goid'...
$ git fetch origin 078548aad8e0f65f2018e187d9b4447ea3684245:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-petermattis-goid
 * [new ref]         078548aad8e0f65f2018e187d9b4447ea3684245 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 078548a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild