$ git clone -n https://src.fedoraproject.org/rpms/golang-github-posener-complete.git /var/lib/mock/f40-build-2288770-55807/root/chroot_tmpdir/scmroot/golang-github-posener-complete
Cloning into '/var/lib/mock/f40-build-2288770-55807/root/chroot_tmpdir/scmroot/golang-github-posener-complete'...
$ git fetch origin ef8c2b5e66fcaf767357ad6beeff2c639f54d5bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-posener-complete
 * [new ref]         ef8c2b5e66fcaf767357ad6beeff2c639f54d5bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef8c2b5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild