git log -p start-commit-sha1..end-commit-sha1 will display the commit log including diffs associated with each commit from the commit after start-commit-sha1 up

git log -p start-commit-sha1..end-commit-sha1 will display the commit log including diffs associated with each commit from the commit after start-commit-sha1 up to the end-commit-sha1. If you make changes to your code and/or commit messages and subsequently rebase the branch, then the end-sha1-value will change (since you now have a different set of commits). If you run the same git log -p command with the new end-commit-sha1 value, then the log output will differ based on the changes you made when you rebased. So if run a diff between the two git log -p outputs (one with the original end-commit-sha1 and the other with the new end-commit-sha1), you'll be able to see the difference between the two logs which includes the changes you made to the code and/or commit messages).