$ git clone -n http://git.inferitos.ru/rpms/gcc-toolset-10-make /var/lib/mock/inferit-8_8-build-25695-44582/root/chroot_tmpdir/scmroot/gcc-toolset-10-make
Cloning into '/var/lib/mock/inferit-8_8-build-25695-44582/root/chroot_tmpdir/scmroot/gcc-toolset-10-make'...
$ git fetch origin changed/i8c/gcc-toolset-10-make-4.2.1-1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/gcc-toolset-10-make
 * [new tag]         changed/i8c/gcc-toolset-10-make-4.2.1-1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d3f835 edit changelog for import gcc-toolset-10-make-4.2.1-1.el8