$ git clone -n https://src.fedoraproject.org/rpms/golang-github-lucasb-eyer-colorful.git /var/lib/mock/f45-build-12202-439/root/chroot_tmpdir/scmroot/golang-github-lucasb-eyer-colorful
Cloning into '/var/lib/mock/f45-build-12202-439/root/chroot_tmpdir/scmroot/golang-github-lucasb-eyer-colorful'...
$ git fetch origin 28b770366c1544c06a8ce65a6267ab1ec304838c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-lucasb-eyer-colorful
 * [new ref]         28b770366c1544c06a8ce65a6267ab1ec304838c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28b7703 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild