To install meld on Mac OSX I try to run:
brew install meld
but I got the following error:
Error: No available formula for meld
What is the right way to install meld?
When this question was asked, it was not possible using Homebrew. They didn't support it yet.
There are alternative solutions to installing
Use a different package manager, like Fink, which is mentioned in meld's installation manual, or MacPorts, mentioned in the issue in Homebrew's issue tracker.
You can probably also compile from source, but need to get the dependencies yourself. Installing one of the other package managers might be easier than that.
As pointed out by @meduz in the comment above, meld now compiles file in brew (haven't tested yet), please try it first, since my original answer is much older.
Today is already possible install it using Homebrew:
I got a issue with pygtk, when I execute meld it says:
I already have pygtk installed from lion, and needed to export it to work:
Add the above line to your ~/.profile to set PYTHONPATH automatically when you open a terminal window.