Re: problem with BOINC repository and CR/LF

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On 18.12.12 10:55, Toralf Förster wrote:
> On 12/18/2012 02:56 AM, Andrew Ardill wrote:
>> On 18 December 2012 03:01, Toralf Förster <toralf.foerster@xxxxxx> wrote:
>>> On 12/17/2012 12:38 PM, Andrew Ardill wrote:
>>>> On 17 December 2012 21:23, Toralf Förster <toralf.foerster@xxxxxx> wrote:
>>>>> Hello,
>>>>>
>>>>> I'm faced with this situation :
>>>>> http://lists.ssl.berkeley.edu/mailman/private/boinc_alpha/2012-December/017371.html
>>>>> and even a "git stash" doesn't help.
>>>>
>>>> Hi Toralf,
>>>>
>>>> That list is private and not visible without an account. Can you
>>>> transcribe the relevant parts?
>>>>
>>>> Regards,
>>>>
>>>> Andrew Ardill
>>>>
>>> Oh of course :
>>>
>>>
>>> On 12/17/2012 12:03 AM, Gianfranco Costamagna wrote:
>>>> So if you have further issues with boinc feel free to look in our debian
>>>> git and feel free to download appropriate patches :-)
>>>>
>>>> Gianfranco
>>> thx
>>>
>>> Currently I'm struggling with a git problem of the boinc repository
>>> itself and b/c I'm using git for the linux kernel tree w/o any problems
>>> since eons /me wonders whether this is a BOINC-repository specific problem :
>>>
>>>
>>> After doing the following sequence with git 1.8.0.2 :
>>>
>>> $> git clone git://boinc.berkeley.edu/boinc.git
>>> $> cd boinc
>>> $> git checkout client_release_7.0.39
>>> $> git checkout master
>>> (sometimes I've to repeat this :
>>>         $> git checkout client_release_7.0.39
>>>         $> git checkout master
>>> )
>>> I'm faced with this situation :
>>>
>>> $ git status
>>> # On branch master
>>> # Changes not staged for commit:
>>> #   (use "git add <file>..." to update what will be committed)
>>> #   (use "git checkout -- <file>..." to discard changes in working
>>> directory)
>>> #
>>> #       modified:   clientgui/AsyncRPC.cpp
>>> #       modified:   clientgui/sg_BoincSimpleFrame.cpp
>>> #
>>> no changes added to commit (use "git add" and/or "git commit -a")
>>>
>>> (sometimes only clientgui/sg_BoincSimpleFrame.cpp is mentioned)
>>>
>>> Now these commands
>>>
>>> $ git checkout -- clientgui/AsyncRPC.cpp
>>> $ git checkout -- clientgui/sg_BoincSimpleFrame.cpp
>>>
>>> doesn't help - the status is still the same (and ofc now I'm no longer
>>> allowed to make a "git checkout" - due to un-commited changes).
>>>
>>> Now I'm wondering where to start to investigate this issue ...
>>
>> Hi Toralf,
>>
>> That does look like a weird issue. What operating system are you on?
> 
> I'm running a stable Gentoo Linux x86, 32bit with gcc 4.6.3 and current
> stable kernel 3.6.1x and 3.7.1, file system is ext4 at an external USB
> 2.0 drive.
> 
> FWIW from the boinc maintainer I know that all tags till 7.0.3X are
> imported from svn.
> 
> I upgraded to git 1.8.0.2 from 1.7.8.6 - situation is the same. The
> emerge gave :
> 
> failed test(s): t3600 t7508
> 
> fixed   0
> success 8342
> failed  8
> broken  56
> total   8528
> 
> Ok, now answering your other questions:
> 
> 
> $> git stash
> warning: CRLF will be replaced by LF in clientgui/AsyncRPC.cpp.
> The file will have its original line endings in your working directory.
> warning: CRLF will be replaced by LF in clientgui/sg_BoincSimpleFrame.cpp.
> The file will have its original line endings in your working directory.
> warning: CRLF will be replaced by LF in clientgui/AsyncRPC.cpp.
> The file will have its original line endings in your working directory.
> warning: CRLF will be replaced by LF in clientgui/sg_BoincSimpleFrame.cpp.
> The file will have its original line endings in your working directory.
> Saved working directory and index state WIP on master: 4a296dc - client
> simulator: fix build errors
> HEAD is now at 4a296dc - client simulator: fix build errors
> 
> After that the situation is unchanged.
> 
>> What happens if you do a hard reset to the branch?
> 
> $> git reset --hard HEAD~1
> 
> not better.
> 
> 
>> What is the ouptut of git diff --cached ?
> 
> The output is empty but "git status" shows still modified files.
> 
> 
> 
> FWIW there's a related issue I'm wondering about which might help:
> 
> $> git clone git://boinc.berkeley.edu/boinc.git
> $> tar -cpf boinc.tar boinc/
> $> rm -rf boinc/
> $> tar -xpf boinc.tar
> $> cd boinc/
> $> git status
> # On branch master
> # Changes not staged for commit:
> #   (use "git add <file>..." to update what will be committed)
> #   (use "git checkout -- <file>..." to discard changes in working
> directory)
> #
> #       modified:   client/win/boinc_log.h
> #       modified:   client/win/boinc_log.rc
> #       modified:   clientctrl/boincsvcctrl.cpp
> #       modified:   clientctrl/boincsvcctrl.h
> #       modified:   clientctrl/boincsvcctrl.rc
> #       modified:   clientgui/AsyncRPC.cpp
> #       modified:   clientgui/DlgEventLog.cpp
> #       modified:   clientgui/DlgEventLog.h
> #       modified:   clientgui/DlgEventLogListCtrl.cpp
> #       modified:   clientgui/DlgEventLogListCtrl.h
> #       modified:   clientgui/DlgExitMessage.h
> #       modified:   clientgui/DlgItemProperties.h
> #       modified:   clientgui/TermsOfUsePage.cpp
> #       modified:   clientgui/TermsOfUsePage.h
> #       modified:   clientgui/ViewNotices.cpp
> #       modified:   clientgui/ViewNotices.h
> #       modified:   clientgui/sg_BoincSimpleFrame.cpp
> #       modified:   clientscr/boinc_ss_opengl.h
> #       modified:   clientscr/boinc_ss_opengl.rc
> #       modified:   clientscr/screensaver.cpp
> #       modified:   clienttray/boinc_tray.h
> #       modified:   clienttray/boinc_tray.rc
> #       modified:   clienttray/tray_win.cpp
> #       modified:   clienttray/tray_win.h
> #       modified:   coprocs/NVIDIA/include/nvapi.h
> #
> no changes added to commit (use "git add" and/or "git commit -a")
> $> git diff --cached
> $>
> 
> 
> 
> Meaning, w/o any other interaction a tar'ed archive has modified files -
> and the diff is empty...
> 
Hej,

I could re-produce the problem here:
git version 1.8.0.197.g5a90748
Mac OS X (that what I had at hands fastest)


After doing 
git checkout 5db4a05b5c8f9c420fc418727cafbb58e6051f1e
(same as master ?)
We see that 
clientgui/AsyncRPC.cpp
is full of CRLF and as it seems only CRLF, no single LF.

The file is classified as text:
$git check-attr text  clientgui/AsyncRPC.cpp
$clientgui/AsyncRPC.cpp: text: set
(And we can see this in .gitattributes as well)

(And there are more files affected, but I will only look at one of them)

If we remove the text attribute like this:
$mv .gitattributes .gitattributes.sav
we see

$git status
deleted:    .gitattributes
#       modified:   clientgui/sg_BoincSimpleFrame.cpp


If we dig into the file:
$git ls-files -s clientgui/AsyncRPC.cpp
100644 6832333ad133181986ada54fe0229b45a30c614a 0       clientgui/AsyncRPC.cpp

We see that it is recorded under 6832333ad1
And if we look into it:
$git show  6832333 | od -c
[snip]
we can see that the file has CRLF in the repo.

So my conclusion is:
The file has CRLF in the repo, but should have LF.
This is not a good thing, and the files need to be normalized.

A very good instruction how to do this, is found here:
http://kernel.org/pub/software/scm/git/docs/gitattributes.html
(You may want to search for "End-of-line conversion" or "core.autocrlf")

HTH
/Torsten


 
























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