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Github makes it very easy to clone an existing project so you can make your own version the way you want to. But I don't see any way to easily compare a project to a clone to see what's different.
Consider these two projects as an example:
github.com/offbytwo/git-hg and
github.com/cosmin/git-hg.
I could clone them both locally and do a file-by-file compare, but for big projects that would be laborious. Does anyone have any trick or insight for a quicker solution?
I think you pretty much have to clone locally at least (in the absence of any nice github tool to do it for you).
Having cloned, you could do "git log --oneline > file.txt" to compare commit history, which would also show you the common ancestor (unless the clone completely scrubbed the old history).
From there, you could then do something like "git log --name-only ancestor..HEAD" to tell you all the files which have changed since the split. This too you could direct to a file, and diff to find files changed on both branches.
kdiff3 can recursively compare two directory trees and easily filter out common files.
I dont think it is possible to perform this without cloning one repo locally. However you can do the following:
This will show you the difference between the master branch cloned from cosmin and the master branch from offbytwo. I would also suggest to use something like qgit for a nice visual representation of the branch trees and so on. This will quickly show you the common ancestor and so on.Code:git clone https://github.com/cosmin/git-hg.git
cd git-hg
git remote add offbytwo https://github.com/offbytwo/git-hg.git
git fetch offbytwo
git diff offbytwo/master