$ git clone -n https://src.fedoraproject.org/rpms/plplot.git /var/lib/mock/f40-build-735423-106386/root/chroot_tmpdir/scmroot/plplot
Cloning into '/var/lib/mock/f40-build-735423-106386/root/chroot_tmpdir/scmroot/plplot'...
$ git fetch origin 19da63143d676ed7bf1fde5d2500a2376594e09e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plplot
 * [new ref]         19da63143d676ed7bf1fde5d2500a2376594e09e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19da631 OCaml 5.1 rebuild for Fedora 40