$ git clone -n https://src.fedoraproject.org/rpms/R-curl.git /var/lib/mock/f40-build-2323004-58693/root/chroot_tmpdir/scmroot/R-curl
Cloning into '/var/lib/mock/f40-build-2323004-58693/root/chroot_tmpdir/scmroot/R-curl'...
$ git fetch origin 40ca9fe11446608986236ef801e795ae99a30f85:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-curl
 * [new ref]         40ca9fe11446608986236ef801e795ae99a30f85 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40ca9fe Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild