$ git clone -n https://src.fedoraproject.org/rpms/golang-github-mgutz-ansi.git /var/lib/mock/f45-build-12252-440/root/chroot_tmpdir/scmroot/golang-github-mgutz-ansi
Cloning into '/var/lib/mock/f45-build-12252-440/root/chroot_tmpdir/scmroot/golang-github-mgutz-ansi'...
$ git fetch origin 1a3c8cdf5ee703a7d0f2bead7407008bec2cd3f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-mgutz-ansi
 * [new ref]         1a3c8cdf5ee703a7d0f2bead7407008bec2cd3f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a3c8cd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild