$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cmd.git /var/lib/mock/f40-build-2178293-51101/root/chroot_tmpdir/scmroot/golang-github-cmd
Cloning into '/var/lib/mock/f40-build-2178293-51101/root/chroot_tmpdir/scmroot/golang-github-cmd'...
$ git fetch origin 0f399ff5c4094ef589edca0e0699e0032735648f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cmd
 * [new ref]         0f399ff5c4094ef589edca0e0699e0032735648f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f399ff Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild