$ git clone -n https://src.fedoraproject.org/rpms/ocrmypdf.git /var/lib/mock/f40-build-1965476-25205/root/chroot_tmpdir/scmroot/ocrmypdf
Cloning into '/var/lib/mock/f40-build-1965476-25205/root/chroot_tmpdir/scmroot/ocrmypdf'...
$ git fetch origin 6c6f96b4c499fe9bea61a83d5fd4b5bc56fa79c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocrmypdf
 * [new ref]         6c6f96b4c499fe9bea61a83d5fd4b5bc56fa79c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c6f96b Allow testing with later versions of python-xmp-toolkit