SVN merging is very time consuming (especially on large code bases) and error prone. Eclipse and Netbeans plugins don't serve me very well. At the moment I'm using a combination of manual "svn merge" and the graphical diff Meld. Are there better alternatives (non-win32)?
10 Answers
Meld is arguably one of the best and one of the most used tools for non-win32. On Windows or with Wine WinMerge wins hands down. Some alternatives for Linux:
P.S. Actually on Windows the TortoiseSVN merge tool gives great results too :)

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3Unfortunately WinMerge does not support three-way merges. – Igor Brejc Jun 10 '10 at 06:09
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@IgorBrejc because of this I use p4 when I'm on win http://www.perforce.com/product/components/perforce_visual_merge_and_diff_tools – slf Feb 14 '12 at 19:09
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KDiff3 runs on Windows, supports 3-way merge and is the most competent free merge tool out there. – Nate Zaugg Jan 20 '16 at 20:50
I have recently started using the new Beyond Compare 3 (for Windows and Linux). It seems to consistently make better automated merge decisions then TortoiseSVN or KDiff3. Particularly on whitespace, I believe this is due to BC3s better file type configuration.
I also think its merge interface is cleaner and easier to understand then KDiff.

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I figured out how to use SvnMerge, which is a Python script(s), and had quite a lot of success with it. You can google for the instructions I put on my blog, or drop me a line and I'll post the vanity link.

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Actually there are reports of people using git-svn or hg-svn bridges to download a tree, preform a merge, then upload the merge. Doesn't solve the messiness part but the increased speed of the merge makes it less tedious.

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We have always used TortoiseSVN on my work. Never had any problem with the merge so I can also recommend it.

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I've used svnmerge and it helps a lot. It's a command line utility, so it may not be the best tool for everyone, but it's good for me.

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Which platform are you running on? On Windows I use TortoiseSVN to carry out most diffs and merges pretty easily. Only some of the more complicated strands of diffs are performed with UltraCompare.

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I have created open source console tool to automate merging process. I think it can helpful for other peoples: Merger
It can:
- Switch subfolders in the folder to the new branch
- Calculate difficulty of the future merge (number of commits/changed files/ commits to the same files, by project)
- Merge revision by revision in auto mode, until no conflicts
- Bulk merge of the groups of projects.
In theory it should be able to work with mono.

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Best tool I've currently found for Linux is submerge from subcommander package. Here is how to use this and integrate with eclipse.

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