$ git clone -n https://src.fedoraproject.org/rpms/golang-github-nightlyone-lockfile.git /var/lib/mock/f45-build-12308-440/root/chroot_tmpdir/scmroot/golang-github-nightlyone-lockfile
Cloning into '/var/lib/mock/f45-build-12308-440/root/chroot_tmpdir/scmroot/golang-github-nightlyone-lockfile'...
$ git fetch origin f382ba1a99bfff46e3e73a4157c7234930b802db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-nightlyone-lockfile
 * [new ref]         f382ba1a99bfff46e3e73a4157c7234930b802db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f382ba1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild