$ git clone -n https://src.fedoraproject.org/rpms/golang-github-vishvananda-netns.git /var/lib/mock/f45-build-12586-442/root/chroot_tmpdir/scmroot/golang-github-vishvananda-netns
Cloning into '/var/lib/mock/f45-build-12586-442/root/chroot_tmpdir/scmroot/golang-github-vishvananda-netns'...
$ git fetch origin 21ae2b92e1e03bc3f1c047a5e28cb696a8b1a301:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-vishvananda-netns
 * [new ref]         21ae2b92e1e03bc3f1c047a5e28cb696a8b1a301 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21ae2b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild