$ git clone -n https://src.fedoraproject.org/rpms/python-pyocr.git /var/lib/mock/f40-build-2188560-51404/root/chroot_tmpdir/scmroot/python-pyocr
Cloning into '/var/lib/mock/f40-build-2188560-51404/root/chroot_tmpdir/scmroot/python-pyocr'...
$ git fetch origin 602a514e468dc339d4142bff9d96186c1a730773:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyocr
 * [new ref]         602a514e468dc339d4142bff9d96186c1a730773 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 602a514 Update to latest version (#2239255)