Fix --revision-range=SINGLE_COMMIT on git.
Review Request #3926 — Created March 2, 2013 and discarded — Latest diff uploaded
Fix --revision-range=SINGLE_COMMIT on git.
Before this, we would generate a diff with
git diff SINGLE_COMMIT..CURRENT_HEAD
but this is not what was intended and what we write in the docs.
Now, we use
git show SINGLE_COMMIT
to really only generate the diff of the given commit.
Things like `rbtools/postreview.py -n --revision-range=master^` work as expected now.