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Compare specific file between two branches In some cases, you may want to see all changes done to a specific file on the current branch you are working on. In order to see the differences done to a file between two branches, use the “git diff” command, specify the two branches and the filename.
The git diff command displays the differences between files in two commits or between a commit and your current repository. You can see what text has been added to, removed from, and changed in a file. By default, the git diff command displays any uncommitted changes to your repository.
You can run the git diff HEAD command to compare the both staged and unstaged changes with your last commit. You can also run the git diff <branch_name1> <branch_name2> command to compare the changes from the first branch with changes from the second branch. Order does matter when you're comparing branches.
TLDR: Just add /compare at the end of the URL. You can use the Github Compare UI, which will generate the URL for you. Replace ORG and REPO with your values. The UI only lists branches, but you can also type in any valid Tags (e.g. v1.
GitHub only exposes the way to show diff between two commits.
Provided those tags actually point to commits, the Url format would be something like
https://github.com/{user}/{repository}/compare/{from-tag}...{until-tag}
As an example, https://github.com/libgit2/libgit2sharp/compare/v0.9.0...v0.9.5 shows the diff between two versions of the LibGit2Sharp project. This diff includes all the modified files.
If you want to retrieve a URL that targets a specific file:
For instance, given the diff above, the link https://github.com/libgit2/libgit2sharp/compare/v0.9.0...v0.9.5#diff-11 will point to the LazyFixtures.cs changes that occured between version v0.9.0 and v0.9.5.
Following your comment which states that your diff is too big to be rendered through the Web interface, how about reverting to good old command line tooling? You could redirect the output of the diff to a file and then send the file as an email attachment.
$ git diff v0.9.0 v0.9.5 -- LibGit2Sharp.Tests/LazyFixture.cs > /tmp/lazyfixture.diff
Here is my workaround when the following issue applies.
This comparison is big! We’re only showing the most recent 250 commits
Copy the raw view of the file that you want to compare to https://gist.github.com/. Use the two specific commit points that you want to compare. Start with the older commit.
https://gist.github.com/ has a nice side-by-side diff view when you click 'Revisions'.
Answer is for people who want to only see (Not to download) the history/reviosion of code changes of a file in the GITHUB WEB Page for previous checkin.
Go to that file in the github, then select HISTORY. This will open page with list of checkin comments link like below.
On clicking on it will show the code changes. After clicking the history; you can click on packages to see package level all files checkins.
In eclipse you can compare the history using EGit plugin and "Right click ->Compare with" on the file. How can I compare two revisions in git in Eclipse?
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