$ git clone -n https://src.fedoraproject.org/rpms/R-ggplot2movies.git /var/lib/mock/f39-build-1470528-33902/root/chroot_tmpdir/scmroot/R-ggplot2movies
Cloning into '/var/lib/mock/f39-build-1470528-33902/root/chroot_tmpdir/scmroot/R-ggplot2movies'...
$ git fetch origin 545776af5bcfcade2188058a481285615f6b68b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-ggplot2movies
 * [new ref]         545776af5bcfcade2188058a481285615f6b68b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 545776a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild