[PATCH setup 0/3] Setup replacement for incver_ifdep

[Jon Turney]

On 06/02/2016 14:29, Ken Brown wrote:
> On 1/29/2016 9:53 AM, Ken Brown wrote:
>> On 1/29/2016 9:22 AM, Jon Turney wrote:
>>> On 28/01/2016 20:22, Eric Blake wrote:
>>>> On 01/28/2016 01:17 PM, Ken Brown wrote:
>>>>> Second, why is the second line needed, i.e., under what circumstances
>>>>> would it be expected to succeed after the first install-info command
>>>>> failed?
>>>>
>>>> Sadly, I don't know install-info enough to answer that one.
>>>
>>> I think the first install-info command would fail if the .info file is
>>> missing a START-INFO-DIR-ENTRY/END-INFO-DIR-ENTRY block, in which case
>>> install-info should fail with a 'install-info: warning: no info dir
>>> entry in `xxx.info''
>>>
>>> Since such a .info file is apparently valid (although I don't think we
>>> have any instances of such), I guess the nonsense after the || should be
>>> fixed to use '$f' correctly.
>>
>> I have a few instances of those files on my system:
>>
>> install-info: warning: no info dir entry in
>> `/usr/share/info/automake-history.info.gz'
>> install-info: warning: no info dir entry in
>> `/usr/share/info/automake-history1.12.info.gz'
>> install-info: warning: no info dir entry in
>> `/usr/share/info/automake-history1.13.info.gz'
>> install-info: warning: no info dir entry in
>> `/usr/share/info/texdraw.info.gz'
>>
>> But I'm not convinced that we need to worry about them.  It could be
>> that they're intended to be cited from other info files but not to be
>> listed in the top level directory.  I would say that if an info file
>> lacks a START-INFO-DIR-ENTRY/END-INFO-DIR-ENTRY block, we should assume
>> that its author didn't want it listed in the directory.
>
> Jon, any further thoughts about this?  texinfo-6.1 has just been
> released, so I can go ahead with adding the postinstall script as soon
> as we decide what it should do in the case of a missing
> START-INFO-DIR-ENTRY/END-INFO-DIR-ENTRY block.
I think you are right, so just drop the || and everything after it.

(As an aside, I don't think it's necessarily correct that those nodes 
you list are orphaned, e.g. automake-history1.12.info should be referred 
to in automake1.12.info, but in fact that has references to 
automake-history.info)