$ git clone -n http://git.inferitos.ru/rpms/gcc-toolset-10-annobin /var/lib/mock/inferit-8_8-build-side-198-26786-45384/root/chroot_tmpdir/scmroot/gcc-toolset-10-annobin
Cloning into '/var/lib/mock/inferit-8_8-build-side-198-26786-45384/root/chroot_tmpdir/scmroot/gcc-toolset-10-annobin'...
$ git fetch origin changed/i8c/gcc-toolset-10-annobin-9.29-2.el8.3:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/gcc-toolset-10-annobin
 * [new tag]         changed/i8c/gcc-toolset-10-annobin-9.29-2.el8.3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b88a37f edit changelog for import gcc-toolset-10-annobin-9.29-2.el8.3