$ git clone -n https://src.fedoraproject.org/rpms/R-geepack.git /var/lib/mock/f40-build-807589-145235/root/chroot_tmpdir/scmroot/R-geepack
Cloning into '/var/lib/mock/f40-build-807589-145235/root/chroot_tmpdir/scmroot/R-geepack'...
$ git fetch origin e1b5eefb199fa24c2a12a6286f8dece67828edb8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-geepack
 * [new ref]         e1b5eefb199fa24c2a12a6286f8dece67828edb8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1b5eef Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild