$ git clone -n https://src.fedoraproject.org/rpms/R-xmlparsedata.git /var/lib/mock/f39-build-1544873-36671/root/chroot_tmpdir/scmroot/R-xmlparsedata
Cloning into '/var/lib/mock/f39-build-1544873-36671/root/chroot_tmpdir/scmroot/R-xmlparsedata'...
$ git fetch origin 41cd867c5d67ca8a17a8c0ce4a58757642e841d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-xmlparsedata
 * [new ref]         41cd867c5d67ca8a17a8c0ce4a58757642e841d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41cd867 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild