brew/Library/Homebrew/dev-cmd/contributions.rb
2025-04-22 11:50:08 -07:00

244 lines
8.2 KiB
Ruby

# typed: strict
# frozen_string_literal: true
require "abstract_command"
module Homebrew
module DevCmd
class Contributions < AbstractCommand
PRIMARY_REPOS = T.let(%w[brew core cask].freeze, T::Array[String])
SUPPORTED_REPOS = T.let([
PRIMARY_REPOS,
OFFICIAL_CMD_TAPS.keys.map { |t| t.delete_prefix("homebrew/") },
OFFICIAL_CASK_TAPS.reject { |t| t == "cask" },
].flatten.freeze, T::Array[String])
MAX_REPO_COMMITS = 1000
cmd_args do
usage_banner "`contributions` [--user=<email|username>] [<--repositories>`=`] [<--csv>]"
description <<~EOS
Summarise contributions to Homebrew repositories.
EOS
comma_array "--repositories",
description: "Specify a comma-separated list of repositories to search. " \
"Supported repositories: #{SUPPORTED_REPOS.map { |t| "`#{t}`" }.to_sentence}. " \
"Omitting this flag, or specifying `--repositories=primary`, searches only the " \
"main repositories: brew,core,cask. " \
"Specifying `--repositories=all`, searches all repositories. "
flag "--from=",
description: "Date (ISO-8601 format) to start searching contributions. " \
"Omitting this flag searches the last year."
flag "--to=",
description: "Date (ISO-8601 format) to stop searching contributions."
comma_array "--user=",
description: "Specify a comma-separated list of GitHub usernames or email addresses to find " \
"contributions from. Omitting this flag searches maintainers."
switch "--csv",
description: "Print a CSV of contributions across repositories over the time period."
end
sig { override.void }
def run
Homebrew.install_bundler_gems!(groups: ["contributions"]) if args.csv?
results = {}
grand_totals = {}
repos = T.must(
if args.repositories.blank? || args.repositories&.include?("primary")
PRIMARY_REPOS
elsif args.repositories&.include?("all")
SUPPORTED_REPOS
else
args.repositories
end,
)
repos.each do |repo|
if SUPPORTED_REPOS.exclude?(repo)
odie "Unsupported repository: #{repo}. Try one of #{SUPPORTED_REPOS.join(", ")}."
end
end
from = args.from.presence || Date.today.prev_year.iso8601
contribution_types = [:author, :committer, :coauthor, :review]
require "utils/github"
users = args.user.presence || GitHub.members_by_team("Homebrew", "maintainers").keys
users.each do |username|
# TODO: Using the GitHub username to scan the `git log` undercounts some
# contributions as people might not always have configured their Git
# committer details to match the ones on GitHub.
# TODO: Switch to using the GitHub APIs instead of `git log` if
# they ever support trailers.
results[username] = scan_repositories(repos, username, from:)
grand_totals[username] = total(results[username])
contributions = contribution_types.filter_map do |type|
type_count = grand_totals[username][type]
next if type_count.to_i.zero?
"#{Utils.pluralize("time", type_count, include_count: true)} (#{type})"
end
contributions <<
"#{Utils.pluralize("time", grand_totals[username].values.sum, include_count: true)} (total)"
puts [
"#{username} contributed",
*contributions.to_sentence,
"#{time_period(from:, to: args.to)}.",
].join(" ")
end
return unless args.csv?
puts
puts generate_csv(grand_totals)
end
private
sig { params(repo: String).returns(Pathname) }
def find_repo_path_for_repo(repo)
return HOMEBREW_REPOSITORY if repo == "brew"
require "tap"
Tap.fetch("homebrew", repo).path
end
sig { params(from: T.nilable(String), to: T.nilable(String)).returns(String) }
def time_period(from:, to:)
if from && to
"between #{from} and #{to}"
elsif from
"after #{from}"
elsif to
"before #{to}"
else
"in all time"
end
end
sig { params(totals: T::Hash[String, T::Hash[Symbol, Integer]]).returns(String) }
def generate_csv(totals)
require "csv"
CSV.generate do |csv|
csv << %w[user repo author committer coauthor review total]
totals.sort_by { |_, v| -v.values.sum }.each do |user, total|
csv << grand_total_row(user, total)
end
end
end
sig {
params(
user: String,
grand_total: T::Hash[Symbol, Integer],
).returns(
[String, String, T.nilable(Integer), T.nilable(Integer), T.nilable(Integer), T.nilable(Integer), Integer],
)
}
def grand_total_row(user, grand_total)
[
user,
"all",
grand_total[:author],
grand_total[:committer],
grand_total[:coauthor],
grand_total[:review],
grand_total.values.sum,
]
end
sig {
params(
repos: T::Array[String],
person: String,
from: String,
).returns(T::Hash[Symbol, T.untyped])
}
def scan_repositories(repos, person, from:)
data = {}
return data if repos.blank?
require "tap"
require "utils/github"
repos.each do |repo|
repo_path = find_repo_path_for_repo(repo)
tap = Tap.fetch("homebrew", repo)
unless repo_path.exist?
opoo "Repository #{repo} not yet tapped! Tapping it now..."
tap.install
end
repo_full_name = if repo == "brew"
"homebrew/brew"
else
tap.full_name
end
puts "Determining contributions for #{person} on #{repo_full_name}..." if args.verbose?
author_commits, committer_commits = GitHub.count_repo_commits(repo_full_name, person,
from:, to: args.to, max: MAX_REPO_COMMITS)
data[repo] = {
author: author_commits,
committer: committer_commits,
coauthor: git_log_trailers_cmd(repo_path, person, "Co-authored-by", from:, to: args.to),
review: count_reviews(repo_full_name, person, from:, to: args.to),
}
end
data
end
sig { params(results: T::Hash[Symbol, T.untyped]).returns(T::Hash[Symbol, Integer]) }
def total(results)
totals = { author: 0, committer: 0, coauthor: 0, review: 0 }
results.each_value do |counts|
counts.each do |kind, count|
totals[kind] += count
end
end
totals
end
sig {
params(repo_path: Pathname, person: String, trailer: String, from: T.nilable(String),
to: T.nilable(String)).returns(Integer)
}
def git_log_trailers_cmd(repo_path, person, trailer, from:, to:)
cmd = ["git", "-C", repo_path, "log", "--oneline"]
cmd << "--format='%(trailers:key=#{trailer}:)'"
cmd << "--before=#{to}" if to
cmd << "--after=#{from}" if from
Utils.safe_popen_read(*cmd).lines.count { |l| l.include?(person) }
end
sig {
params(repo_full_name: String, person: String, from: T.nilable(String),
to: T.nilable(String)).returns(Integer)
}
def count_reviews(repo_full_name, person, from:, to:)
require "utils/github"
GitHub.count_issues("", is: "pr", repo: repo_full_name, reviewed_by: person, review: "approved", from:, to:)
rescue GitHub::API::ValidationFailedError
if args.verbose?
onoe "Couldn't search GitHub for PRs by #{person}. Their profile might be private. Defaulting to 0."
end
0 # Users who have made their contributions private are not searchable to determine counts.
end
end
end
end