$ git clone -n https://src.fedoraproject.org/rpms/R-selectr.git /var/lib/mock/f40-build-2175485-51067/root/chroot_tmpdir/scmroot/R-selectr
Cloning into '/var/lib/mock/f40-build-2175485-51067/root/chroot_tmpdir/scmroot/R-selectr'...
$ git fetch origin ffbcd7a351029feb9fcba53db70675d1b5444143:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-selectr
 * [new ref]         ffbcd7a351029feb9fcba53db70675d1b5444143 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffbcd7a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild