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The idea here is to check that the commit ID in the downloaded file matches that in the VOTE email. You will use a command line terminal for at least some of these steps.

Approach 1 (clone the git repository, checkout the commit id, and compare to release candidate)

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Git will then check the checksums of every file and let you know what has "changed." If  

If there are NO CHANGES, then the commit ID in the VOTE email matches the release candidate.

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This approach uses the commit id from the VOTE email to download that commit from GitHub, which is then compared to the release candidate using the diff command.

1. Download Search for the git commit corresponding to the email by browsing for it on GitHub. Use a URL that follows this pattern: https://github.com/apache/incubator-taverna-language/tree/<hash>, where <hash> is the commit has you want to download. 
2. Click "Download Zip" and save the file to your computer.
3. Make a new directory, change to the new directory, and unzip the GitHub file to the new folder. (e.g., mkdir 1 ; cd 1 ; unzip <filename>.zip)
4. Move up a directory (cd .. ) and make a second new directory (e.g., mkdir 2)
5. Change to the second new directory (e.g., cd 2) and unzip the release candidate (e.g., unzip release-candidate.zip)
6. Move up one directory. When you do a directory listing (ls) you should see both of your new directories listed.
7. Compare all files in the two new directories using the diff command:
   1. Linix: diff -uR 1 2
   2. Windows, GitBash: diff -r 1 2 (Windows CMD command line try FC)

The files that differ will be shown. If you do this after you build, make sure you don't have any target folders before diff-ing. (Run mvn clean to be sure.)

Again, if there are NO DIFFERENCES, then the commit ID in the VOTE email matches the release candidate.

3a Check the incubator disclaimer

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