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which will create a patch set starting at the HEAD of the branch. You can use git log --oneline origin/master..master | wc -l to help you get the number of commits.
REVISIT: How does wc -l work in other OSs such as Windows? There is this https://superuser.com/questions/959036/what-is-the-windows-equivalent-of-wc-l
Drop this last phrase if not important.
If you have changes on a separate branch, then you can use the following to create the patches.
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