linus torvalds has a good (but unnecessarily vitriolic) explanation for why he only uses github as a read-only mirror. https://github.com/torvalds/linux/pull/1

linus torvalds has a good (but unnecessarily vitriolic) explanation for why he only uses github as a read-only mirror. https://github.com/torvalds/linux/pull/17#issuecomment-5659933 https://github.com/torvalds/linux/pull/17#issuecomment-56599... basically: he has high expectations for the raw text formatting of a commit message and discussion threads, and github's web interface lacks the necessary controls.