$ git clone -n https://src.fedoraproject.org/rpms/gnurobbo.git /var/lib/mock/f38-build-711925-94078/root/chroot_tmpdir/scmroot/gnurobbo
Cloning into '/var/lib/mock/f38-build-711925-94078/root/chroot_tmpdir/scmroot/gnurobbo'...
$ git fetch origin 515eb3734fe6e3604db1777efa1f6f17bb524536:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnurobbo
 * [new ref]         515eb3734fe6e3604db1777efa1f6f17bb524536 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 515eb37 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild