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Sourcetree does not find installed Kaleidoscope (on one computer?!)

Alexander Schatten Jan 19, 2013
  1. I use two Macs: one Macbook Air, one iMac.
  2. On both I have installed the recent version of SourceTree and Kaleidoscope.
  3. On both I have selected Kaleidoscope as external Diff tool

On the Air everything is working as expected. On the iMac, SourcTree does not find (?) Kaleidoscope...

SourceTree was updated in between as well as Kaleidoscope. Nothing changed.

Any ideas?

5 answers

1 accepted

16 votes
Answer accepted

Hi Alexander,

This is typically because Kaleidoscope's command line tools aren't installed. With Kaleidoscope 2 the command line tools are a separate installation. Go to Kaleidoscope menu > Integration then install ksdiff.


0 votes
Klaas Hermanns Jan 30, 2013

Great! This helped! Thanks!

But the error message of SourceTree could be a little more specific ;)

0 votes
Tom Harrington Mar 13, 2013

I'm having the same issue. With Kaleidoscope selected as the external diff tool, clicking "External Diff" does nothing. I do have the Kaleidoscope command-line tools installed:

$ type ksdiff
ksdiff is hashed (/usr/local/bin/ksdiff)

This is with SourceTree 1.5.6 and Kaleidoscope 2.0.1 (both Mac app store versions) on Mac OS X 10.8.2.

Steve Streeting Mar 13, 2013

From the 1.5.7 release notes:

  • Fix support for Kaleidoscope diff when updated to version 2.0+


We can no longer update SourceTree on the App Store though (here's why) , please switch to the direct version from our website to get updates after 1.5.6.

Tom Harrington Mar 13, 2013

Oh, sandboxing. Say no more, I get the picture. I'm getting the latest version now.

I'd suggest that the page at should indicate what the current version is. I had been to that page a couple of times, but there was nothing on it to indicate that my copy was out of date.

0 votes
Adam Eberbach Mar 24, 2014

I'm here - over a year after the original question - because I got the same cryptic message when trying to use Kaleidoscope with Sourcetree.

Over a year and you can't add "Please check that the Kalediscope command line tools are installed." to the error message?

0 votes
Alec Rust Jun 25, 2016

Installing the command line tools from within Kaleidoscope failed for me but installing it manually with the installer worked:

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