$ git clone -n https://src.fedoraproject.org/rpms/qpdf.git /var/lib/mock/f38-build-side-42-init-devel-621032-26341/root/chroot_tmpdir/scmroot/qpdf
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-621032-26341/root/chroot_tmpdir/scmroot/qpdf'...
$ git fetch origin 45d8bbce6b75a6313fea976b77e2e96f5ac70f01:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qpdf
 * [new ref]         45d8bbce6b75a6313fea976b77e2e96f5ac70f01 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45d8bbc 2144359 - qpdf-11.2.0 is available