$ git clone -n https://src.fedoraproject.org/rpms/golang-github-mesos.git /var/lib/mock/f40-build-2362991-60368/root/chroot_tmpdir/scmroot/golang-github-mesos
Cloning into '/var/lib/mock/f40-build-2362991-60368/root/chroot_tmpdir/scmroot/golang-github-mesos'...
$ git fetch origin 9214e934f9f1619363c238f8551597c9d85b330e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-mesos
 * [new ref]         9214e934f9f1619363c238f8551597c9d85b330e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9214e93 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild