$ git clone -n http://git.inferitos.ru/rpms/OpenEXR /var/lib/mock/inferit-8_8-build-12693-22692/root/chroot_tmpdir/scmroot/OpenEXR
Cloning into '/var/lib/mock/inferit-8_8-build-12693-22692/root/chroot_tmpdir/scmroot/OpenEXR'...
$ git fetch origin changed/i8c/OpenEXR-2.2.0-12.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/OpenEXR
 * [new tag]         changed/i8c/OpenEXR-2.2.0-12.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7dc607 edit changelog for import OpenEXR-2.2.0-12.el8