Add a progress bar to the file command

[simonw]

Can use the Click one. The total number of commits is available using repo.active_branch.commit.count().

[simonw]

[simonw]

I didn't use repo.active_branch.commit.count() because it turns out I already read all of the commits into a list here, plus I wanted to be able to take previously processed commits that get skipped into account.

git-history/git_history/cli.py

Lines 14 to 24 in e579000

	repo = git.Repo(repo_path, odbt=git.GitDB)
	commits = reversed(list(repo.iter_commits(ref, paths=[relative_path])))
	progress_bar = None
	if skip_commits:
	# Filter down to just the ones we haven't seen
	new_commits = [
	commit for commit in commits if commit.hexsha not in skip_commits
	]
	commits = new_commits
	if show_progress:
	progress_bar = click.progressbar(commits, show_pos=True, show_percent=True)