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Merging binary files with ancestry

From: Srilakshmanan, Lakshman <lakshman.srilakshmanan_at_police.vic.gov.au>
Date: Thu, 11 Jun 2009 14:36:51 +1000

Hi All,

I submitted this post to the user forum on Friday 5/6/2009 but can't
find it :(

I have searched svn mailing list and goggled for an answer all day. I
will be grateful to anyone who can answer my question and put me out of
my misery as a logical explanation is eluding me and driving me insane.

Any help in this is greatly appreciated.

I came across an interesting issue while performing a merge on binary
files with and without using ancestry.
I am currently using svn 1.4.6

Step 0. Create a branch (MergeTest2) from trunk (note : trunk should
contain a binary file) (r29) Step 1. modify a binary file in trunk. (ie
copy another binary file on top of an existing file) and commit it (r30)
Step 2. merge trunk into branch and commit http://host/svn/sgs/trunk
r29:30 (r31)
Step 3. merge branch into trunk. http://host/svn/sgs/trunk
http://host/svn/sgs/branch/MergeTest2

Step 3 will display that the binary file was ** Updated **. But there is
** NO ** change in the Working Copy.

If you perform Step 3 with --ignore-ancestry then there is ** nothing **
on the display and no change in the Working Copy either. (what I would
expect).

My question is why would the --ignore-ancestry flag cause a difference
in merge display when there is ** NO change ** in the ancestry to start
with.

svn log the binary file in branch "MergeTest2" shows the following Note
: r25 & r27 are from trunk ** before ** creating the MergeTest2 branch.
This proves that svn is maintaining the ancestry relationship.

------------------------------------------------------------------------
r31 | UsrID | 2009-06-05 17:12:09 +1000 (Fri, 05 Jun 2009) | 1 line
Changed paths:
   M /branch/MergeTest2/BIN.exe

received update from trunk at rev30
------------------------------------------------------------------------
r29 | UsrID | 2009-06-05 17:07:41 +1000 (Fri, 05 Jun 2009) | 1 line
Changed paths:
   A /branch/MergeTest2 (from /trunk:28)

Copied remotely
------------------------------------------------------------------------
r27 | UsrID | 2009-06-05 16:54:45 +1000 (Fri, 05 Jun 2009) | 1 line
Changed paths:
   M /trunk/BIN.exe

Modified file
------------------------------------------------------------------------
r25 | UsrID | 2009-06-05 16:50:01 +1000 (Fri, 05 Jun 2009) | 1 line
Changed paths:
   A /trunk/BIN.exe

Test for merging binary files
------------------------------------------------------------------------

Thanks
Lakshman

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Received on 2009-06-11 06:52:45 CEST

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