$ git clone -n http://git.inferitos.ru/rpms/eglexternalplatform /var/lib/mock/inferit-9_1-build-6573-9062/root/chroot_tmpdir/scmroot/eglexternalplatform
Cloning into '/var/lib/mock/inferit-9_1-build-6573-9062/root/chroot_tmpdir/scmroot/eglexternalplatform'...
$ git fetch origin changed/i9c/eglexternalplatform-1.1-0.8.20180916git7c8f8e2.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/eglexternalplatform
 * [new tag]         changed/i9c/eglexternalplatform-1.1-0.8.20180916git7c8f8e2.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8ab2c8 import eglexternalplatform-1.1-0.8.20180916git7c8f8e2.el9