$ git clone -n http://git.inferitos.ru/rpms/gcc-toolset-9-elfutils /var/lib/mock/inferit-8_8-build-25679-44582/root/chroot_tmpdir/scmroot/gcc-toolset-9-elfutils
Cloning into '/var/lib/mock/inferit-8_8-build-25679-44582/root/chroot_tmpdir/scmroot/gcc-toolset-9-elfutils'...
$ git fetch origin changed/i8c/gcc-toolset-9-elfutils-0.176-5.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/gcc-toolset-9-elfutils
 * [new tag]         changed/i8c/gcc-toolset-9-elfutils-0.176-5.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64e6954 edit changelog for import gcc-toolset-9-elfutils-0.176-5.el8