$ git clone -n https://src.fedoraproject.org/rpms/golang-github-playground-assert-2.git /var/lib/mock/f45-build-12457-442/root/chroot_tmpdir/scmroot/golang-github-playground-assert-2
Cloning into '/var/lib/mock/f45-build-12457-442/root/chroot_tmpdir/scmroot/golang-github-playground-assert-2'...
$ git fetch origin a867df8aca462c4e34b8d5b3d784c2ca3bd33ed2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-playground-assert-2
 * [new ref]         a867df8aca462c4e34b8d5b3d784c2ca3bd33ed2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a867df8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild