netdev - Re: [PATCH net-next] selftests/net: change the shebang of unicast

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Date: Tue, 26 Dec 2023 20:51:43 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: Yujie Liu <yujie.liu@...el.com>
Cc: netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
	David Ahern <dsahern@...nel.org>, linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org, lkp@...el.com,
	kernel test robot <oliver.sang@...el.com>
Subject: Re: [PATCH net-next] selftests/net: change the shebang of
 unicast_extensions.sh to bash

On Tue, Dec 26, 2023 at 04:43:18PM +0800, Yujie Liu wrote:
> Hi Hangbin,
> 
> On Mon, Dec 25, 2023 at 08:39:09PM +0800, Hangbin Liu wrote:
> > On Mon, Dec 25, 2023 at 03:21:09PM +0800, Yujie Liu wrote:
> > > The patch set [1] added a general lib.sh in net selftests, and converted
> > > several test scripts to source the lib.sh.
> > 
> > Oh, I didn't know dash doesn't support "source". Thanks for the fix.
> > Would you please also help fix the pmtu.sh, which has the same issue?
> 
> It looks like pmtu.sh was not converted in patch set [1], so it doesn't
> have "source lib.sh" yet. The cover letter of [1] mentions that the
> whole process of conversion will be split into several parts. Not sure
> if pmtu.sh will be converted in the subsequent parts soon? If so, would
> you like to change the shebang of pmtu.sh when converting it later, or
> change it together in this patch? Thanks.

The pmtu.sh update is in this patch set.
https://lore.kernel.org/all/20231219094856.1740079-1-liuhangbin@gmail.com/

It would be good to fix these 2 tests together.

> 
> BTW, in addition to pmtu.sh, I noticed that there are several other
> scripts in net selftests which have "/bin/sh" shebang:

Yes, but the other tests don't use "source".

> 
> linux/tools/testing/selftests/net$ grep -rF '#!/bin/sh'
> openvswitch/openvswitch.sh:#!/bin/sh
> in_netns.sh:#!/bin/sh
> netdevice.sh:#!/bin/sh
> test_bpf.sh:#!/bin/sh
> test_blackhole_dev.sh:#!/bin/sh
> vlan_hw_filter.sh:#!/bin/sh
> run_netsocktests:#!/bin/sh
> pmtu.sh:#!/bin/sh
> bareudp.sh:#!/bin/sh
> l2_tos_ttl_inherit.sh:#!/bin/sh
> veth.sh:#!/bin/sh
> ipv6_flowlabel.sh:#!/bin/sh
> unicast_extensions.sh:#!/bin/sh
> reuseport_addr_any.sh:#!/bin/sh
> run_afpackettests:#!/bin/sh
> ip_local_port_range.sh:#!/bin/sh
> amt.sh:#!/bin/sh
> udpgso.sh:#!/bin/sh
> ip_defrag.sh:#!/bin/sh
> rps_default_mask.sh:#!/bin/sh
> 
> > BTW, you can change the "source ./lib.sh" to "source lib.sh" to consistent
> > with other tests.
> 
> Sure, will respin a v2 with this change added.

Thanks
Hangbin