$ git clone -n https://src.fedoraproject.org/rpms/libgxim.git /var/lib/mock/f45-build-16282-485/root/chroot_tmpdir/scmroot/libgxim
Cloning into '/var/lib/mock/f45-build-16282-485/root/chroot_tmpdir/scmroot/libgxim'...
$ git fetch origin 6724000003dd3fa1640cb6ee8191c7d14a1916fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgxim
 * [new ref]         6724000003dd3fa1640cb6ee8191c7d14a1916fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6724000 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild