$ git clone -n https://src.fedoraproject.org/rpms/gxemul.git /var/lib/mock/f40-build-2003625-44862/root/chroot_tmpdir/scmroot/gxemul
Cloning into '/var/lib/mock/f40-build-2003625-44862/root/chroot_tmpdir/scmroot/gxemul'...
$ git fetch origin 4d159d259812770551400732b10e202e10ad92d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gxemul
 * [new ref]         4d159d259812770551400732b10e202e10ad92d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d159d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild