bumpversion w/ added "commit" part adding additional parts to files

[connormason]

Hi all, it's very likely what I'm seeing is user error, but I'm having trouble figuring out how exactly to get the result that I'm looking for. Really all I want to do is add an addition part to the end of a typical semvar versioning scheme to correlate to commit number after the last version bump. I plan to have this automatically get bumped in our repo CI. Here's what my config looks like:

[bumpversion]
current_version = 1.3.8.0
commit = False
message = [skip-ci] Bump version: {current_version} → {new_version}
tag = False
parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<commit>\d+))?
serialize = 
    {major}.{minor}.{patch}.{commit}
    {major}.{minor}.{patch}

[bumpversion:part:commit]

[bumpversion:file:repo/version.py]

[bumpversion:file:setup.py]

What I'm seeing is that when I run bumpversion commit with this config, the current_version in my config file is updated as I expect to 1.3.8.1. But in the other configured files (setup.py and repo/version.py), the version is being changed to 1.3.8.1.0. I tried adding the parse/serialize keys to the individual file configs, but I get the same result. Any idea what is going on here?

Thank you in advance!