discourse/lib/tasks/release_note.rake

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# frozen_string_literal: true
DATE_REGEX ||= /\A\d{4}-\d{2}-\d{2}/
CHANGE_TYPES ||= [
{ pattern: /^FEATURE:/, heading: "New Features" },
{ pattern: /^FIX:/, heading: "Bug Fixes" },
{ pattern: /^UX:/, heading: "UX Changes" },
{ pattern: /^SECURITY:/, heading: "Security Changes" },
{ pattern: /^PERF:/, heading: "Performance" },
{ pattern: /^A11Y:/, heading: "Accessibility" },
]
desc "generate a release note from the important commits"
task "release_note:generate", :from, :to, :repo do |t, args|
repo = args[:repo] || "."
changes = find_changes(repo, args[:from], args[:to])
CHANGE_TYPES.each do |ct|
print_changes(ct[:heading], changes[ct], "###")
end
if changes.values.all?(&:empty?)
puts "(no changes)", ""
end
end
# To use with all-the-plugins:
# 1. Make sure you have a local, up-to-date clone of https://github.com/discourse/all-the-plugins
# 2. In all-the-plugins, `git submodule update --init --recursive --remote`
# 3. Change back to your discourse directory
# 4. rake "release_note:plugins:generate[ 2021-06-01 , 2021-07-01 , /path/to/all-the-plugins/plugins/* , discourse ]"
desc "generate release notes for all official plugins in a directory"
task "release_note:plugins:generate", :from, :to, :plugin_glob, :org do |t, args|
from = args[:from]
to = args[:to]
plugin_glob = args[:plugin_glob] || "./plugins/*"
git_org = args[:org]
all_repos = Dir.glob(plugin_glob).filter { |f| File.directory?(f) && File.exist?("#{f}/.git") }
if git_org
all_repos = all_repos.filter { |dir| `git -C #{dir} remote get-url origin`.match?(/github.com[\/:]#{git_org}\//) }
end
no_changes_repos = []
all_repos.each do |dir|
name = File.basename(dir)
changes = find_changes(dir, from, to)
if changes.values.all?(&:empty?)
no_changes_repos << name
next
end
puts "### #{name}\n\n"
CHANGE_TYPES.each do |ct|
print_changes(ct[:heading], changes[ct], "####")
end
end
puts "(No changes found in #{no_changes_repos.join(", ")})"
end
def find_changes(repo, from, to)
dates = from&.match?(DATE_REGEX) || to&.match?(DATE_REGEX)
if !dates
from ||= `git -C #{repo} describe --tags --abbrev=0`.strip
to ||= "HEAD"
end
cmd = "git -C #{repo} log --pretty='tformat:%s' "
if dates
cmd += "--after '#{from}' " if from
cmd += "--before '#{to}' " if to
else
cmd += "#{from}..#{to}"
end
out = `#{cmd}`
raise "Status #{$?.exitstatus} running git log\n#{out}" if !$?.success?
changes = {}
CHANGE_TYPES.each do |ct|
changes[ct] = Set.new
end
out.each_line do |comment|
next if comment =~ /^\s*Revert/
split_comments(comment).each do |line|
ct = CHANGE_TYPES.find { |t| line =~ t[:pattern] }
changes[ct] << better(line) if ct
end
end
changes
end
def print_changes(heading, changes, importance)
return if changes.length == 0
puts "#{importance} #{heading}", ""
puts changes.to_a, ""
end
def better(line)
line = remove_prefix(line)
line = escape_brackets(line)
line = remove_pull_request(line)
line[0] = '\#' if line[0] == '#'
if line[0]
line[0] = line[0].capitalize
"- " + line
else
nil
end
end
def remove_prefix(line)
line.gsub(/^(FIX|FEATURE|UX|SECURITY|PERF|A11Y):/, "").strip
end
def escape_brackets(line)
line.gsub("<", "`<")
.gsub(">", ">`")
.gsub("[", "`[")
.gsub("]", "]`")
end
def remove_pull_request(line)
line.gsub(/ \(\#\d+\)$/, "")
end
def split_comments(text)
text = normalize_terms(text)
terms = ["FIX:", "FEATURE:", "UX:", "SECURITY:" , "PERF:" , "A11Y:"]
terms.each do |term|
text = text.gsub(/(#{term})+/i, term)
text = newlines_at_term(text, term)
end
text.split("\n")
end
def normalize_terms(text)
text = text.gsub(/(BUGFIX|FIX|BUG):/i, "FIX:")
text = text.gsub(/FEATURE:/i, "FEATURE:")
text = text.gsub(/(UX|UI):/i, "UX:")
text = text.gsub(/(SECURITY):/i, "SECURITY:")
text = text.gsub(/(PERF):/i, "PERF:")
text = text.gsub(/(A11Y):/i, "A11Y:")
end
def newlines_at_term(text, term)
if text.include?(term)
text = text.split(term).map { |l| l.strip }.join("\n#{term} ")
end
text
end