Re: Bug report: git log --[num|short]stat sometimes counts lines wrong

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Am 15.08.2011 um 17:26 schrieb Carlos Martín Nieto:
> On Mon, 2011-08-15 at 10:24 +0200, Alexander Pepper wrote:
>> Am 12.08.2011 um 17:21 schrieb Alexander Pepper:
>>> Hi there.
>>> This is my first contribution to git (if you count a bug report as a contribution) and I'm not really familiar where to report bugs. In the irc channel #git at freenode somebody pointed me to this mailing list.
>>> 
>>> First of: I'm running git version 1.7.6 on OS X 10.6.8.
>>> 
>>> Let me describe what I observed.
>>> repository: https://github.com/voldemort/voldemort.git
>>> The command "git log --numstat c21ad764ea1bae7f7bd83b5e2cb015dcbc44d586" shows for the commit c21ad764 and file '.../readonly/mr/HadoopStoreBuilderReducer.java' 25 lines added and 22 lines removed. But the patch of HadoopStoreBuilderReducer.java that I get with "git show c21ad764ea1bae7f7bd83b5e2cb015dcbc44d586 -- contrib/hadoop-store-builder/src/java/voldemort/store/readonly/mr/HadoopStoreBuilderReducer.java" adds 30 lines and removes 27.
>>> 
>>> Why does "git log --numstat" drops 5 added lines and 5 removed lines? This also holds true for "git log --stat" and "git log --shortstat".
>>> 
>>> Is this a bug or am I missing an option to git log or git show?
>>> 
>>> More commits where I observed this problem on the same repository:
>>> 7e00fb6d2cf131dfed59c180f2171952808cc336 src/java/voldemort/client/rebalance/MigratePartitions.java
>>> 78ad6f2a6ea327dbae2110f4530a5bd07e5deaac src/java/voldemort/client/rebalance/MigratePartitions.java (same commit on another branch)
>>> 7871933f0f0f056e2eeac03a01db1e9cf81f8bda src/java/voldemort/client/protocol/admin/AdminClient.java
>>> 2d6f68b09c3bdc23dcf3ae1f91c9285fbd668820 src/java/voldemort/store/readonly/ExternalSorter.java
>>> 6fcacee866307ec34eb32b268e2c2b885a949319 build.xml
>>> 
>>> Greetings from Berlin
>>> Alex
>> 
>> Hello again.
>> 
>> I also observed this behavior with git version 1.7.4.1 on Gentoo.
>> 
>> Any ideas how to fix this?
> 
> I've just checked and `git show --stat` does give different numbers from
> `git show | diffstat`. Git ignores (or can ignore) empty lines in
> several contexts, have you checked to see if there are 5 empty lines
> added and removed?
> 
> Cheers,
>   cmn

Hi Charlos.

At least with "git show c21ad764 -- contrib/hadoop-store-builder/src/java/voldemort/store/readonly/mr/HadoopStoreBuilderReducer.java" there are 6 removed lines and 5 added empty lines.

If  `git show --stat` ignores empty lines compared to `git show | diffstat`, is there a way or an option to enable, to tell `git show --stat` to also count empty lines?

Greetings from Berlin
Alex

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