How to get diff between all files inside 2 folders that are on the web?

Question

So I want to compare this folder http://cloudobserver.googlecode.com/svn/branches/v0.4/Boost.Extension.Tutorial/libs/boost/extension/ with this http://svn.boost.org/svn/boost/sandbox/boost/extension/. I want to get a diff file as a result. These folders are under svn control but I'd prefer git styled diff file (like one shown here) I tried git diff but it seems not to work that way for web folders. So how to do the same thing with one command on Linux?

Update: So we had a great answer. But it works strangely - it seems to me it shows that all files (same files) have all theire contents replaced with very same contents (while I know for sure that there were only like 3-4 code lines changed at all)...

Update 2: To achieve what I really needed (dif file with only really changed lines, with git styling, on Linux) do:

$ svn export http://cloudobserver.googlecode.com/svn/branches/v0.4/Boost.Extension.Tutorial/libs/boost/extension/ repos2 --native-eol CRLF
$ svn export http://svn.boost.org/svn/boost/sandbox/boost/extension/ repos --native-eol CRLF
$ git diff repos repos2 > fileWithReadableDiff.diff

Solution 1

Once you have the source trees, e.g.

diff -ENwbur repos1/ repos2/ 

Even better

diff -ENwbur repos1/ repos2/  | kompare -o -

and have a crack at it in a good gui tool :)

• -Ewb ignore the bulk of whitespace changes
• -N detect new files
• -u unified
• -r recurse

Solution 2

You urls are not in the same repository, so you can't do it with the svn diff command.

svn: 'http://svn.boost.org/svn/boost/sandbox/boost/extension' isn't in the same repository as 'http://cloudobserver.googlecode.com/svn'

Another way you could do it, is export each repos using svn export, and then use the diff command to compare the 2 directories you exported.

// Export repositories
svn export http://svn.boost.org/svn/boost/sandbox/boost/extension/ repos1
svn export http://cloudobserver.googlecode.com/svn/branches/v0.4/Boost.Extension.Tutorial/libs/boost/extension/ repos2

// Compare exported directories
diff repos1 repos2 > file.diff

Comments

[sehe]

haha; I just noticed you linked to my diff with one shown here... wotta coincidence

[Rella]

I replaced last line with git diff repos1 repos2 > file2.diff and it got more informative... but it seems to me it shows that all files (same files) have all thare contents replaced with wary same contents (while I know for sure that there were only like 3 code lines changed at all)...

[Rella]

so... yep - loved your diff style, sent a full diff patch on yours+mine boost.extension to Jeremy... (see this post update for my way of getting it)... I still wonder how to do such thing with one line=)

[sehe]

Well thanks for the accept; I guess my original (rev. 2) instructions in that other post hid my secret: I used 'git svn clone ... svn..../branches/v0.4' and just edited locally. It then becomes a simple git diff or git format-patch depending on how much work was done

[Aaron]

didn't know about kompare before, this is exactly what I was looking for. Thanks

[gilad905]

would be nice to add a reference to kompare as it's an external package (at least on my Ubuntu 16.04)

[Hybris95]

You can totally use notepad++ with Language set on "Diff" it works like a charm (without kompare)

[sehe]

@Hybris95 does that do side-by-side diffs? Personally, I don't take to context/unified diffs too well