[PATCH] Fix failing nss/tst-nss-files-hosts-long.

[Stefan Liebler]

On 09/07/2021 11:21, Florian Weimer wrote:
> * Stefan Liebler via Libc-alpha:
> 
>> Sometimes the test nss/tst-nss-files-hosts-long is failing as getent
>> fails with exit-code 2.
>>
>> This happens e.g. if tst-reload1 was run just before this test:
>> make t=nss/tst-reload1 test
>> make t=nss/tst-nss-files-hosts-long test
>> Then the test fails as /etc/nsswitch.conf contains "hosts: test2".
>>
>> If /etc/nsswitch.conf is not present or there is no hosts line,
>> then it defaults to "hosts: dns [!UNAVAIL=return] files".
>> I've also observed a case, where dns returns with NSS_STATUS_NOTFOUND
>> and thus getent also fails with exit-code 2 without searching in
>> /etc/hosts.
>>
>> Thus, this patch just uses "hosts: files" in nsswitch.conf.
>> ---
>>  nss/tst-nss-files-hosts-long.root/etc/nsswitch.conf | 1 +
>>  1 file changed, 1 insertion(+)
>>  create mode 100644 nss/tst-nss-files-hosts-long.root/etc/nsswitch.conf
>>
>> diff --git a/nss/tst-nss-files-hosts-long.root/etc/nsswitch.conf b/nss/tst-nss-files-hosts-long.root/etc/nsswitch.conf
>> new file mode 100644
>> index 0000000000..5b0c6a4199
>> --- /dev/null
>> +++ b/nss/tst-nss-files-hosts-long.root/etc/nsswitch.conf
>> @@ -0,0 +1 @@
>> +hosts: files
> 
> I think the issue is that nss/tst-reload1 clobbers the test chroot
> without indicating so.  A file nss/tst-reload1.root/postclean.req
> appears to be missing.
> 
> Thanks,
> Florian
> 

I've just send a v2 patch with the postclean.req:
https://sourceware.org/pipermail/libc-alpha/2021-July/128919.html

Thanks,
Stefan