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add-codeowners

Give every service its owning team.

Uses: codeowners.find, codeowners.set_owners

Start a campaign from it, then point it at your organization:

gh fleet init --from add-codeowners --org your-org

Campaign

load("@fleet//codeowners.star", "find", "set_owners")

def change(repo):
    if find(repo) != None:
        return  # the repo already says who owns it
    team = "@%s/%s" % (repo.owner, repo.vars["team"])
    set_owners(repo, "*", team, header = "# Owners are requested for review on every pull request.")

# yaml-language-server: $schema=https://raw.githubusercontent.com/rossedman/gh-fleet/main/internal/campaign/campaign.schema.json
apiVersion: fleet.gh/v1
name: add-codeowners
description: Give every service its owning team

targets:
  orgs: [acme]
  include:
    topics: [service]

# Each repo's owning team: platform by default, web for frontends, and
# whatever owners.csv says for the repos it lists.
vars:
  default:
    team: platform
  match:
    - when: { topics: [frontend] }
      set: { team: web }
  file: ./owners.csv

change:
  steps:
    # Writes .github/CODEOWNERS assigning the repo to @<org>/<team>, unless
    # the repo already has a CODEOWNERS file in any of the three places
    # GitHub reads. The team comes from vars, as repo.vars["team"].
    - name: codeowners
      starlark: ./change.star
      timeout: 1m

pr:
  title: "chore: assign {{ .Repo.Name }} to @{{ .Repo.Owner }}/{{ .Vars.team }}"
  body: |
    Assigns {{ .Repo.Name }} to @{{ .Repo.Owner }}/{{ .Vars.team }} so pull
    requests request a review from the owning team automatically. Edit the
    file to split ownership by path.

    Opened by the `{{ .Campaign.Name }}` campaign with [gh fleet](https://github.com/rossedman/gh-fleet).
  labels: [fleet, "team:{{ .Vars.team }}"]
  reviewers: ["{{ .Repo.Owner }}/{{ .Vars.team }}"]

repo,team
acme/billing,payments
acme/ledger,payments
acme/search,discovery

Source on GitHub