$ git clone -n https://src.fedoraproject.org/rpms/R-rtracklayer.git /var/lib/mock/f40-build-789215-135682/root/chroot_tmpdir/scmroot/R-rtracklayer
Cloning into '/var/lib/mock/f40-build-789215-135682/root/chroot_tmpdir/scmroot/R-rtracklayer'...
$ git fetch origin 257369272424c10fdd96b5c5e824fabafc536570:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-rtracklayer
 * [new ref]         257369272424c10fdd96b5c5e824fabafc536570 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2573692 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild