Merge commit 'refs/top-bases/fixes/ensure-worktree' into fixes/ensure-worktree

Merge commit 'refs/top-bases/fixes/ensure-worktree' into fixes/ensure-worktree

* commit 'refs/top-bases/fixes/ensure-worktree': (30 commits)
  tg patch: treat all files as ascii
  tg mail: document config setting to prevent unintended mass mail sending
  Don't call pre-commit hook if tg is not installed
  tg-delete: Handle the case where the branch has been removed already, but the base is still left.
  tg-mail: Properly quote argument to --in-reply-to
  tg-push: Filter out plain SHA1s from being pushed.
  Make 'tg patch' work in subdirectories
  quote $LESS in case it includes spaces
  deal with single quotes in from/to headers
  bump version number to 0.8
  Fix tg export --quilt --numbered w/ > 8 patches
  tg-push: add bash completion
  help: use pager
  tg-push: handle non-tgish branches
  tg-push: prevent handing branches more than once to git-push
  tg-push: remove useless warning about missing bases for non-tgish branches
  tg-update: fix user visible typo in info msg
  tg-remote: don't add push specs but warn about existing ones.
  tg-push: new command pushing a tgish branch
  recurse_deps: if no_remotes is set don't recurse into remote deps
  ...