$ git clone -n http://git.inferitos.ru/rpms/ecj /var/lib/mock/inferit-8_8-build-25637-44582/root/chroot_tmpdir/scmroot/ecj
Cloning into '/var/lib/mock/inferit-8_8-build-25637-44582/root/chroot_tmpdir/scmroot/ecj'...
$ git fetch origin changed/i8c/ecj-4.20-10.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/ecj
 * [new tag]         changed/i8c/ecj-4.20-10.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 097b179 edit changelog for import ecj-4.20-10.el8