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Re: [PATCH] guix: Add whitespacing to --list-generations output.


From: Ludovic Courtès
Subject: Re: [PATCH] guix: Add whitespacing to --list-generations output.
Date: Thu, 17 Nov 2016 13:28:12 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux)

Efraim Flashner <address@hidden> skribis:

> On Thu, Nov 17, 2016 at 09:59:55AM +0100, Roel Janssen wrote:
>> Dear Guix,
>> 
>> The new diff-format displayed when invoking @command{guix package
>> --list-generations} prints a blank line after the initial generation,
>> and then no blank lines in the diffs.
>> 
>> This patch adds that blank line to the diffs as well.
>> 
>> Before:
>> ------------------------------------------------------------------------------
>> Generation 1    Nov 15 2016 11:14:05
>>   guix  0.10.0-1.97c8   out     /gnu/store/5ibkqq9...-guix-0.10.0-1.97c8
>> 
>> Generation 2    Nov 15 2016 12:06:32
>>  + emacs        25.1    out     /gnu/store/sb2qfjr...-emacs-25.1
>> Generation 4    Nov 15 2016 12:22:15
>>  + guix 0.11.0-3.7ca3   out     /gnu/store/l99rkv2...-guix-0.11.0-3.7ca3
>>  - guix 0.10.0-1.97c8   out     /gnu/store/5ibkqq9...-guix-0.10.0-1.97c8
>> ------------------------------------------------------------------------------
>> 
>> After:
>> ------------------------------------------------------------------------------
>> Generation 1    Nov 15 2016 11:14:05
>>   guix  0.10.0-1.97c8   out     /gnu/store/5ibkqq9...-guix-0.10.0-1.97c8
>> 
>> Generation 2    Nov 15 2016 12:06:32
>>  + emacs        25.1    out     /gnu/store/sb2qfjr...-emacs-25.1
>> 
>> Generation 4    Nov 15 2016 12:22:15
>>  + guix 0.11.0-3.7ca3   out     /gnu/store/l99rkv2...-guix-0.11.0-3.7ca3
>>  - guix 0.10.0-1.97c8   out     /gnu/store/5ibkqq9...-guix-0.10.0-1.97c8
>> ------------------------------------------------------------------------------
>> 
>> As you can see, it's only a small change, and so is the code change.
>> Here's the patch:
>> 
>> >From a9b5305f8af51b88643986f99a8e94cad4d7a805 Mon Sep 17 00:00:00 2001
>> From: Roel Janssen <address@hidden>
>> Date: Thu, 17 Nov 2016 09:46:15 +0100
>> Subject: [PATCH] guix: Add whitespacing to --list-generations output.
>> 
>> ---
>>  guix/ui.scm | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>> 
>> diff --git a/guix/ui.scm b/guix/ui.scm
>> index b9fbbfd..cafb3c6 100644
>> --- a/guix/ui.scm
>> +++ b/guix/ui.scm
>> @@ -1094,7 +1094,8 @@ DURATION-RELATION with the current time."
>>            (removed (lset-difference
>>                      equal-entry? (list-entries old) (list-entries new))))
>>        (for-each (cut display-entry <> "+") added)
>> -      (for-each (cut display-entry <> "-") removed)))
>> +      (for-each (cut display-entry <> "-") removed)
>> +      (newline)))
>>  
>>    (display-diff profile gen1 gen2))
>>  
>> -- 
>> 2.7.4
>> 
>> Kind regards,
>> Roel Janssen
>> 
>
> That does make it easier to read

+1!

Ludo'.



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