$ git clone -n https://src.fedoraproject.org/rpms/R-magick.git /var/lib/mock/f40-build-789567-135900/root/chroot_tmpdir/scmroot/R-magick
Cloning into '/var/lib/mock/f40-build-789567-135900/root/chroot_tmpdir/scmroot/R-magick'...
$ git fetch origin 32aff6657f69982c1e8940a6b1f4c419518ec59d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-magick
 * [new ref]         32aff6657f69982c1e8940a6b1f4c419518ec59d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32aff66 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild