$ git clone -n http://git.inferitos.ru/rpms/mesa-libGLw /var/lib/mock/inferit-8_8-build-15237-23060/root/chroot_tmpdir/scmroot/mesa-libGLw
Cloning into '/var/lib/mock/inferit-8_8-build-15237-23060/root/chroot_tmpdir/scmroot/mesa-libGLw'...
$ git fetch origin changed/i8c/mesa-libGLw-8.0.0-18.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/mesa-libGLw
 * [new tag]         changed/i8c/mesa-libGLw-8.0.0-18.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d759532 edit changelog for import mesa-libGLw-8.0.0-18.el8