$ git clone -n https://src.fedoraproject.org/rpms/R-debugme.git /var/lib/mock/f39-build-1544699-36662/root/chroot_tmpdir/scmroot/R-debugme
Cloning into '/var/lib/mock/f39-build-1544699-36662/root/chroot_tmpdir/scmroot/R-debugme'...
$ git fetch origin cd32a516d9e1f0b3156d2d329662cd4cb88e7804:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-debugme
 * [new ref]         cd32a516d9e1f0b3156d2d329662cd4cb88e7804 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd32a51 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild