$ git clone -n http://git.inferitos.ru/rpms/grub2 /var/lib/mock/inferit-10_0-bootstrap-build-68328-150610/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/inferit-10_0-bootstrap-build-68328-150610/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin changed/i10c-beta/grub2-2.06-127.el10:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/grub2
 * [new tag]         changed/i10c-beta/grub2-2.06-127.el10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8e355c import grub2-2.06-127.el10