$ git clone -n https://src.fedoraproject.org/rpms/golang-github-git-billy-5.git /var/lib/mock/f40-build-2581177-62386/root/chroot_tmpdir/scmroot/golang-github-git-billy-5
Cloning into '/var/lib/mock/f40-build-2581177-62386/root/chroot_tmpdir/scmroot/golang-github-git-billy-5'...
$ git fetch origin 033d899bd1e40072130eafc7c7848acdc0b9ef68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-git-billy-5
 * [new ref]         033d899bd1e40072130eafc7c7848acdc0b9ef68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 033d899 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild