Merge pull request #1214 from weihanglo/backport-from-raw-parts

Backport #1213 to git2 0.20.x

Merge pull request #1198 from ehuss/publish-custom-ref

Add ability to publish from any ref

Merge pull request #1197 from ehuss/git2-0.20-br

Bump git2 to 0.20.3

Merge pull request #1172 from ehuss/changelog-sys

Update libgit2-sys changelog for 0.18.2+1.9.1

Merge pull request #1161 from ehuss/bump-version

Update version of git2 to 0.20.2

Merge pull request #1144 from ehuss/bump-version

Bump versions of git2 and libgit2-sys

Merge pull request #1144 from ehuss/bump-version

Bump versions of git2 and libgit2-sys

Merge pull request #1115 from ehuss/lock-locked

Check that Cargo.lock is not outdated in CI

Merge pull request #1115 from ehuss/lock-locked

Check that Cargo.lock is not outdated in CI

Merge pull request #1115 from ehuss/lock-locked

Check that Cargo.lock is not outdated in CI