$ git clone -n https://src.fedoraproject.org/rpms/golang-github-xanzy-ssh-agent.git /var/lib/mock/f39-build-1505107-35105/root/chroot_tmpdir/scmroot/golang-github-xanzy-ssh-agent
Cloning into '/var/lib/mock/f39-build-1505107-35105/root/chroot_tmpdir/scmroot/golang-github-xanzy-ssh-agent'...
$ git fetch origin 6b99b396a7a3695c4a3540a63414cc4ac502258b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-xanzy-ssh-agent
 * [new ref]         6b99b396a7a3695c4a3540a63414cc4ac502258b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b99b39 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild