$ git clone -n https://src.fedoraproject.org/rpms/libXxf86dga.git /var/lib/mock/f40-build-785489-133957/root/chroot_tmpdir/scmroot/libXxf86dga
Cloning into '/var/lib/mock/f40-build-785489-133957/root/chroot_tmpdir/scmroot/libXxf86dga'...
$ git fetch origin 1b184cdab40046d8efda446d288c19d156431eb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libXxf86dga
 * [new ref]         1b184cdab40046d8efda446d288c19d156431eb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b184cd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild