$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jsimonetti-rtnetlink.git /var/lib/mock/f45-build-12110-437/root/chroot_tmpdir/scmroot/golang-github-jsimonetti-rtnetlink
Cloning into '/var/lib/mock/f45-build-12110-437/root/chroot_tmpdir/scmroot/golang-github-jsimonetti-rtnetlink'...
$ git fetch origin daba26a8424dc531e0246d0d08e27ad6e2eece88:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jsimonetti-rtnetlink
 * [new ref]         daba26a8424dc531e0246d0d08e27ad6e2eece88 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at daba26a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild