Diff Merge and TortoiseSVN

I wasn’t particularly happy with TortoiseSVN’s diff and merge tool so I decided to look for an external tool. I came across DiffMerge from SourceGear, a maker of another version control system.  Here’s a howto with how to use DiffMerge with TortoiseSVN as taken from here (copied for readability reasons):

By default tortoise installs its own diffviewer, tortoisemerge, for viewing and modifying changes. I prefer another. Sourcegear diffmerge provides a better user experience and the text is a lot easier to follow. To set tortoisesvn to use a different diffviewer we open settings and select diff viewer in the External Programs subtree. Select External radiobox.

Enter this text into the dialog box:

“C:\Program Files\Sourcegear\DiffMerge\DiffMerge.exe” /t1=mine /t2=theirs %mine %theirs

Click on Merge Tool and select External radiobox. Enter this into the textbox:

“C:\Program Files\Sourcegear\DiffMerge\DiffMerge.exe” /t1=mine /t2=base /t3=theirs /r=%merged %mine %base %theirs

Save and close the dialogbox. Fire up a file that was modified to compare and you’ll be using Diffmerge instead of tortoisemerge.


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Production Facilitator at Audacious Church Previously Software Developer at UKFast Ltd. and Web Applications Developer at SenseLogix Ltd. Graduate of Renewable Energy BSc from the University of Exeter. Experience with PHP, MySQL, Javascript, CSS and HTML.

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