$ git clone -n https://src.fedoraproject.org/rpms/golang-github-schollz-peerdiscovery.git /var/lib/mock/f45-build-12433-442/root/chroot_tmpdir/scmroot/golang-github-schollz-peerdiscovery
Cloning into '/var/lib/mock/f45-build-12433-442/root/chroot_tmpdir/scmroot/golang-github-schollz-peerdiscovery'...
$ git fetch origin a4b91ea173445a4dba358992ef29d59b745879d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-schollz-peerdiscovery
 * [new ref]         a4b91ea173445a4dba358992ef29d59b745879d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4b91ea Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild