$ git clone -n http://git.inferitos.ru/rpms/gcc-toolset-11-systemtap /var/lib/mock/inferit-8_8-build-26623-45189/root/chroot_tmpdir/scmroot/gcc-toolset-11-systemtap
Cloning into '/var/lib/mock/inferit-8_8-build-26623-45189/root/chroot_tmpdir/scmroot/gcc-toolset-11-systemtap'...
$ git fetch origin changed/i8c/gcc-toolset-11-systemtap-4.5-6.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/gcc-toolset-11-systemtap
 * [new tag]         changed/i8c/gcc-toolset-11-systemtap-4.5-6.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a5c1bb edit changelog for import gcc-toolset-11-systemtap-4.5-6.el8