mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
80d75bc0d8
Adjust the rules based on the current codebase. Remove various enable, disables and default values that are unnecessary. Add more comments explaining why. Make minor changes needed to enable a few more rules.
670 lines
22 KiB
Ruby
670 lines
22 KiB
Ruby
#: * `pull` [`--bottle`] [`--bump`] [`--clean`] [`--ignore-whitespace`] [`--resolve`] [`--branch-okay`] [`--no-pbcopy`] [`--no-publish`] [`--warn-on-publish-failure`] [`--bintray-org=`<bintray-org>] [`--test-bot-user=`<test-bot-user>] <patch-source> [<patch-source>]:
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#:
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#: Gets a patch from a GitHub commit or pull request and applies it to Homebrew.
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#: Optionally, installs the formulae changed by the patch.
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#:
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#: Each <patch-source> may be one of:
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#:
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#: ~ The ID number of a PR (pull request) in the homebrew/core GitHub
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#: repository
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#:
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#: ~ The URL of a PR on GitHub, using either the web page or API URL
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#: formats. In this form, the PR may be on Homebrew/brew,
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#: Homebrew/homebrew-core or any tap.
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#:
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#: ~ The URL of a commit on GitHub
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#:
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#: ~ A "https://jenkins.brew.sh/job/..." string specifying a testing job ID
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#:
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#: If `--bottle` is passed, handle bottles, pulling the bottle-update
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#: commit and publishing files on Bintray.
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#:
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#: If `--bump` is passed, for one-formula PRs, automatically reword
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#: commit message to our preferred format.
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#:
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#: If `--clean` is passed, do not rewrite or otherwise modify the
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#: commits found in the pulled PR.
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#:
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#: If `--ignore-whitespace` is passed, silently ignore whitespace
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#: discrepancies when applying diffs.
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#:
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#: If `--resolve` is passed, when a patch fails to apply, leave in
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#: progress and allow user to resolve, instead of aborting.
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#:
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#: If `--branch-okay` is passed, do not warn if pulling to a branch
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#: besides master (useful for testing).
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#:
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#: If `--no-pbcopy` is passed, do not copy anything to the system
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#: clipboard.
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#:
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#: If `--no-publish` is passed, do not publish bottles to Bintray.
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#:
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#: If `--warn-on-publish-failure` was passed, do not exit if there's a
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#: failure publishing bottles on Bintray.
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#:
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#: If `--bintray-org=`<bintray-org> is passed, publish at the given Bintray
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#: organisation.
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#:
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#: If `--test-bot-user=`<test-bot-user> is passed, pull the bottle block
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#: commit from the specified user on GitHub.
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require "net/http"
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require "net/https"
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require "json"
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require "cli_parser"
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require "formula"
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require "formulary"
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require "version"
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require "pkg_version"
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module GitHub
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module_function
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# Return the corresponding test-bot user name for the given GitHub organization.
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def test_bot_user(user, test_bot)
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return test_bot if test_bot
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return "BrewTestBot" if user.casecmp("homebrew").zero?
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"#{user.capitalize}TestBot"
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end
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end
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module Homebrew
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module_function
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def pull
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odie "You meant `git pull --rebase`." if ARGV[0] == "--rebase"
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Homebrew::CLI::Parser.parse do
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switch "--bottle"
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switch "--bump"
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switch "--clean"
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switch "--ignore-whitespace"
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switch "--resolve"
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switch "--branch-okay"
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switch "--no-pbcopy"
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switch "--no-publish"
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switch "--warn-on-publish-failure"
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switch :verbose
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switch :debug
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flag "--bintray-org="
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flag "--test-bot-user="
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end
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if ARGV.named.empty?
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odie "This command requires at least one argument containing a URL or pull request number"
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end
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# Passthrough Git environment variables for e.g. git am
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if ENV["HOMEBREW_GIT_NAME"]
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ENV["GIT_COMMITTER_NAME"] = ENV["HOMEBREW_GIT_NAME"]
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end
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if ENV["HOMEBREW_GIT_EMAIL"]
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ENV["GIT_COMMITTER_EMAIL"] = ENV["HOMEBREW_GIT_EMAIL"]
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end
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# Depending on user configuration, git may try to invoke gpg.
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if Utils.popen_read("git config --get --bool commit.gpgsign").chomp == "true"
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begin
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gnupg = Formula["gnupg"]
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rescue FormulaUnavailableError # rubocop:disable Lint/HandleExceptions
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else
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if gnupg.installed?
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path = PATH.new(ENV.fetch("PATH"))
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path.prepend(gnupg.installed_prefix/"bin")
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ENV["PATH"] = path
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end
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end
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end
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do_bump = args.bump? && !args.clean?
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# Formulae with affected bottles that were published
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bintray_published_formulae = []
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tap = nil
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ARGV.named.each do |arg|
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arg = "#{CoreTap.instance.default_remote}/pull/#{arg}" if arg.to_i.positive?
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if (testing_match = arg.match %r{/job/Homebrew.*Testing/(\d+)/})
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tap = ARGV.value("tap")
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tap = if tap&.start_with?("homebrew/")
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Tap.fetch("homebrew", tap.strip_prefix("homebrew/"))
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elsif tap
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odie "Tap option did not start with \"homebrew/\": #{tap}"
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else
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CoreTap.instance
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end
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_, testing_job = *testing_match
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url = "https://github.com/Homebrew/homebrew-#{tap.repo}/compare/master...BrewTestBot:testing-#{testing_job}"
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odie "Testing URLs require `--bottle`!" unless args.bottle?
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elsif (api_match = arg.match HOMEBREW_PULL_API_REGEX)
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_, user, repo, issue = *api_match
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url = "https://github.com/#{user}/#{repo}/pull/#{issue}"
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tap = Tap.fetch(user, repo) if repo.start_with?("homebrew-")
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elsif (url_match = arg.match HOMEBREW_PULL_OR_COMMIT_URL_REGEX)
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url, user, repo, issue = *url_match
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tap = Tap.fetch(user, repo) if repo.start_with?("homebrew-")
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else
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odie "Not a GitHub pull request or commit: #{arg}"
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end
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if !testing_job && args.bottle? && issue.nil?
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odie "No pull request detected!"
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end
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if tap
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tap.install unless tap.installed?
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Dir.chdir tap.path
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else
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Dir.chdir HOMEBREW_REPOSITORY
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end
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# The cache directory seems like a good place to put patches.
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HOMEBREW_CACHE.mkpath
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# Store current revision and branch
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orig_revision = `git rev-parse --short HEAD`.strip
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branch = `git symbolic-ref --short HEAD`.strip
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unless branch == "master" || args.clean? || args.branch_okay?
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opoo "Current branch is #{branch}: do you need to pull inside master?"
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end
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patch_puller = PatchPuller.new(url, args)
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patch_puller.fetch_patch
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patch_changes = files_changed_in_patch(patch_puller.patchpath, tap)
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is_bumpable = patch_changes[:formulae].length == 1 && patch_changes[:others].empty?
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if do_bump
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odie "No changed formulae found to bump" if patch_changes[:formulae].empty?
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if patch_changes[:formulae].length > 1
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odie "Can only bump one changed formula; bumped #{patch_changes[:formulae]}"
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end
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odie "Can not bump if non-formula files are changed" unless patch_changes[:others].empty?
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end
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if is_bumpable
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old_versions = current_versions_from_info_external(patch_changes[:formulae].first)
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end
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patch_puller.apply_patch
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changed_formulae_names = []
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if tap
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Utils.popen_read(
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"git", "diff-tree", "-r", "--name-only",
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"--diff-filter=AM", orig_revision, "HEAD", "--", tap.formula_dir.to_s
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).each_line do |line|
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next unless line.end_with? ".rb\n"
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name = "#{tap.name}/#{File.basename(line.chomp, ".rb")}"
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changed_formulae_names << name
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end
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end
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fetch_bottles = false
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changed_formulae_names.each do |name|
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next if ENV["HOMEBREW_DISABLE_LOAD_FORMULA"]
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begin
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f = Formula[name]
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rescue Exception # rubocop:disable Lint/RescueException
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# Make sure we catch syntax errors.
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next
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end
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if f.stable
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stable_urls = [f.stable.url] + f.stable.mirrors
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stable_urls.grep(%r{^https://dl.bintray.com/homebrew/mirror/}) do |mirror_url|
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check_bintray_mirror(f.full_name, mirror_url)
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end
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end
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if args.bottle?
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if f.bottle_unneeded?
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ohai "#{f}: skipping unneeded bottle."
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elsif f.bottle_disabled?
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ohai "#{f}: skipping disabled bottle: #{f.bottle_disable_reason}"
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else
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fetch_bottles = true
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end
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else
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next unless f.bottle_defined?
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opoo "#{f.full_name} has a bottle: do you need to update it with --bottle?"
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end
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end
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orig_message = message = `git log HEAD^.. --format=%B`
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if issue && !args.clean?
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ohai "Patch closes issue ##{issue}"
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close_message = "Closes ##{issue}."
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# If this is a pull request, append a close message.
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message += "\n#{close_message}" unless message.include? close_message
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end
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if changed_formulae_names.empty?
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odie "cannot bump: no changed formulae found after applying patch" if do_bump
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is_bumpable = false
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end
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is_bumpable = false if args.clean?
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is_bumpable = false if ENV["HOMEBREW_DISABLE_LOAD_FORMULA"]
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if is_bumpable
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formula = Formula[changed_formulae_names.first]
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new_versions = current_versions_from_info_external(patch_changes[:formulae].first)
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orig_subject = message.empty? ? "" : message.lines.first.chomp
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bump_subject = subject_for_bump(formula, old_versions, new_versions)
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if do_bump
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odie "No version changes found for #{formula.name}" if bump_subject.nil?
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unless orig_subject == bump_subject
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ohai "New bump commit subject: #{bump_subject}"
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pbcopy bump_subject unless args.no_pbcopy?
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message = "#{bump_subject}\n\n#{message}"
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end
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elsif bump_subject != orig_subject && !bump_subject.nil?
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opoo "Nonstandard bump subject: #{orig_subject}"
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opoo "Subject should be: #{bump_subject}"
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end
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end
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if message != orig_message && !args.clean?
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safe_system "git", "commit", "--amend", "--signoff", "--allow-empty", "-q", "-m", message
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end
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# Bottles: Pull bottle block commit and publish bottle files on Bintray
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if fetch_bottles
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bottle_commit_url = if testing_job
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bottle_branch = "testing-bottle-#{testing_job}"
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url
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else
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bottle_branch = "pull-bottle-#{issue}"
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bot_username = GitHub.test_bot_user(user, args.test_bot_user)
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"https://github.com/#{bot_username}/homebrew-#{tap.repo}/compare/#{user}:master...pr-#{issue}"
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end
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curl "--silent", "--fail", "--output", "/dev/null", "--head", bottle_commit_url
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safe_system "git", "checkout", "--quiet", "-B", bottle_branch, orig_revision
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pull_patch bottle_commit_url, "bottle commit"
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safe_system "git", "rebase", "--quiet", branch
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safe_system "git", "checkout", "--quiet", branch
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safe_system "git", "merge", "--quiet", "--ff-only", "--no-edit", bottle_branch
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safe_system "git", "branch", "--quiet", "-D", bottle_branch
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# Publish bottles on Bintray
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unless args.no_publish?
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published = publish_changed_formula_bottles(tap, changed_formulae_names)
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bintray_published_formulae.concat(published)
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end
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end
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ohai "Patch changed:"
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safe_system "git", "diff-tree", "-r", "--stat", orig_revision, "HEAD"
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end
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# Verify bintray publishing after all patches have been applied
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bintray_published_formulae.uniq!
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verify_bintray_published(bintray_published_formulae)
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end
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def force_utf8!(str)
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str.force_encoding("UTF-8") if str.respond_to?(:force_encoding)
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end
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def publish_changed_formula_bottles(tap, changed_formulae_names)
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if ENV["HOMEBREW_DISABLE_LOAD_FORMULA"]
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raise "Need to load formulae to publish them!"
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end
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published = []
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bintray_creds = { user: ENV["HOMEBREW_BINTRAY_USER"], key: ENV["HOMEBREW_BINTRAY_KEY"] }
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if bintray_creds[:user] && bintray_creds[:key]
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changed_formulae_names.each do |name|
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f = Formula[name]
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next if f.bottle_unneeded? || f.bottle_disabled?
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bintray_org = args.bintray_org || tap.user.downcase
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next unless publish_bottle_file_on_bintray(f, bintray_org, bintray_creds)
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published << f.full_name
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end
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else
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opoo "You must set HOMEBREW_BINTRAY_USER and HOMEBREW_BINTRAY_KEY to add or update bottles on Bintray!"
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end
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published
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end
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def pull_patch(url, description = nil)
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PatchPuller.new(url, args, description).pull_patch
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end
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class PatchPuller
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attr_reader :base_url
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attr_reader :patch_url
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attr_reader :patchpath
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def initialize(url, args, description = nil)
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@base_url = url
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# GitHub provides commits/pull-requests raw patches using this URL.
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@patch_url = url + ".patch"
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@patchpath = HOMEBREW_CACHE + File.basename(patch_url)
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@description = description
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@args = args
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end
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def pull_patch
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fetch_patch
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apply_patch
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end
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def fetch_patch
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extra_msg = @description ? "(#{@description})" : nil
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ohai "Fetching patch #{extra_msg}"
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puts "Patch: #{patch_url}"
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curl_download patch_url, to: patchpath
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end
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def apply_patch
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# Applies a patch previously downloaded with fetch_patch()
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# Deletes the patch file as a side effect, regardless of success
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ohai "Applying patch"
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patch_args = []
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# Normally we don't want whitespace errors, but squashing them can break
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# patches so an option is provided to skip this step.
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if @args.ignore_whitespace? || @args.clean?
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patch_args << "--whitespace=nowarn"
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else
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patch_args << "--whitespace=fix"
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end
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# Fall back to three-way merge if patch does not apply cleanly
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patch_args << "-3"
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patch_args << patchpath
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begin
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safe_system "git", "am", *patch_args
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rescue ErrorDuringExecution
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if @args.resolve?
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odie "Patch failed to apply: try to resolve it."
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else
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system "git", "am", "--abort"
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odie "Patch failed to apply: aborted."
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end
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ensure
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patchpath.unlink
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end
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end
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end
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# List files changed by a patch, partitioned in to those that are (probably)
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# formula definitions, and those which aren't. Only applies to patches on
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# Homebrew core or taps, based simply on relative pathnames of affected files.
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def files_changed_in_patch(patchfile, tap)
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files = []
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formulae = []
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others = []
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File.foreach(patchfile) do |line|
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files << Regexp.last_match(1) if line =~ %r{^\+\+\+ b/(.*)}
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end
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files.each do |file|
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if tap&.formula_file?(file)
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formula_name = File.basename(file, ".rb")
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formulae << formula_name unless formulae.include?(formula_name)
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else
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others << file
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end
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end
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{ files: files, formulae: formulae, others: others }
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end
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# Get current formula versions without loading formula definition in this process
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# Returns info as a hash (type => version), for pull.rb's internal use
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# Uses special key :nonexistent => true for nonexistent formulae
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def current_versions_from_info_external(formula_name)
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info = FormulaInfoFromJson.lookup(formula_name)
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versions = {}
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if info
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[:stable, :devel, :head].each do |spec_type|
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versions[spec_type] = info.version(spec_type)
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end
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else
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versions[:nonexistent] = true
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end
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versions
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end
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def subject_for_bump(formula, old, new)
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if old[:nonexistent]
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# New formula
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headline_ver = if new[:stable]
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new[:stable]
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elsif new[:devel]
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new[:devel]
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else
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new[:head]
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end
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subject = "#{formula.name} #{headline_ver} (new formula)"
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else
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# Update to existing formula
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subject_strs = []
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formula_name_str = formula.name
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if old[:stable] != new[:stable]
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if new[:stable].nil?
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subject_strs << "remove stable"
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formula_name_str += ":" # just for cosmetics
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else
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subject_strs << new[:stable]
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end
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end
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if old[:devel] != new[:devel]
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if new[:devel].nil?
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# Only bother mentioning if there's no accompanying stable change
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if !new[:stable].nil? && old[:stable] == new[:stable]
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subject_strs << "remove devel"
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formula_name_str += ":" # just for cosmetics
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end
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else
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subject_strs << "#{new[:devel]} (devel)"
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end
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end
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subject = subject_strs.empty? ? nil : "#{formula_name_str} #{subject_strs.join(", ")}"
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end
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subject
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end
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def pbcopy(text)
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Utils.popen_write("pbcopy") { |io| io.write text }
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end
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# Publishes the current bottle files for a given formula to Bintray
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def publish_bottle_file_on_bintray(f, bintray_org, creds)
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repo = Utils::Bottles::Bintray.repository(f.tap)
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package = Utils::Bottles::Bintray.package(f.name)
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info = FormulaInfoFromJson.lookup(f.full_name)
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if info.nil?
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raise "Failed publishing bottle: failed reading formula info for #{f.full_name}"
|
|
end
|
|
unless info.bottle_info_any
|
|
opoo "No bottle defined in formula #{package}"
|
|
return false
|
|
end
|
|
version = info.pkg_version
|
|
ohai "Publishing on Bintray: #{package} #{version}"
|
|
curl "--write-out", '\n', "--silent", "--fail",
|
|
"--user", "#{creds[:user]}:#{creds[:key]}", "--request", "POST",
|
|
"--header", "Content-Type: application/json",
|
|
"--data", '{"publish_wait_for_secs": 0}',
|
|
"https://api.bintray.com/content/#{bintray_org}/#{repo}/#{package}/#{version}/publish"
|
|
true
|
|
rescue => e
|
|
raise unless @args.warn_on_publish_failure?
|
|
onoe e
|
|
false
|
|
end
|
|
|
|
# Formula info drawn from an external "brew info --json" call
|
|
class FormulaInfoFromJson
|
|
# The whole info structure parsed from the JSON
|
|
attr_accessor :info
|
|
|
|
def initialize(info)
|
|
@info = info
|
|
end
|
|
|
|
# Looks up formula on disk and reads its info
|
|
# Returns nil if formula is absent or if there was an error reading it
|
|
def self.lookup(name)
|
|
json = Utils.popen_read(HOMEBREW_BREW_FILE, "info", "--json=v1", name)
|
|
|
|
return unless $CHILD_STATUS.success?
|
|
|
|
Homebrew.force_utf8!(json)
|
|
FormulaInfoFromJson.new(JSON.parse(json)[0])
|
|
end
|
|
|
|
def bottle_tags
|
|
return [] unless info["bottle"]["stable"]
|
|
info["bottle"]["stable"]["files"].keys
|
|
end
|
|
|
|
def bottle_info(my_bottle_tag = Utils::Bottles.tag)
|
|
tag_s = my_bottle_tag.to_s
|
|
return unless info["bottle"]["stable"]
|
|
btl_info = info["bottle"]["stable"]["files"][tag_s]
|
|
return unless btl_info
|
|
BottleInfo.new(btl_info["url"], btl_info["sha256"])
|
|
end
|
|
|
|
def bottle_info_any
|
|
bottle_info(any_bottle_tag)
|
|
end
|
|
|
|
def any_bottle_tag
|
|
tag = Utils::Bottles.tag
|
|
# Prefer native bottles as a convenience for download caching
|
|
bottle_tags.include?(tag) ? tag : bottle_tags.first
|
|
end
|
|
|
|
def version(spec_type)
|
|
version_str = info["versions"][spec_type.to_s]
|
|
version_str && Version.create(version_str)
|
|
end
|
|
|
|
def pkg_version(spec_type = :stable)
|
|
PkgVersion.new(version(spec_type), revision)
|
|
end
|
|
|
|
def revision
|
|
info["revision"]
|
|
end
|
|
end
|
|
|
|
# Bottle info as used internally by pull, with alternate platform support
|
|
class BottleInfo
|
|
# URL of bottle as string
|
|
attr_accessor :url
|
|
# Expected SHA256 as string
|
|
attr_accessor :sha256
|
|
|
|
def initialize(url, sha256)
|
|
@url = url
|
|
@sha256 = sha256
|
|
end
|
|
end
|
|
|
|
# Verifies that formulae have been published on Bintray by downloading a bottle file
|
|
# for each one. Blocks until the published files are available.
|
|
# Raises an error if the verification fails.
|
|
# This does not currently work for `brew pull`, because it may have cached the old
|
|
# version of a formula.
|
|
def verify_bintray_published(formulae_names)
|
|
return if formulae_names.empty?
|
|
|
|
if ENV["HOMEBREW_DISABLE_LOAD_FORMULA"]
|
|
raise "Need to load formulae to verify their publication!"
|
|
end
|
|
|
|
ohai "Verifying bottles published on Bintray"
|
|
formulae = formulae_names.map { |n| Formula[n] }
|
|
max_retries = 300 # shared among all bottles
|
|
poll_retry_delay_seconds = 2
|
|
|
|
HOMEBREW_CACHE.cd do
|
|
formulae.each do |f|
|
|
retry_count = 0
|
|
wrote_dots = false
|
|
# Choose arbitrary bottle just to get the host/port for Bintray right
|
|
jinfo = FormulaInfoFromJson.lookup(f.full_name)
|
|
unless jinfo
|
|
opoo "Cannot publish bottle: Failed reading info for formula #{f.full_name}"
|
|
next
|
|
end
|
|
bottle_info = jinfo.bottle_info(jinfo.bottle_tags.first)
|
|
unless bottle_info
|
|
opoo "No bottle defined in formula #{f.full_name}"
|
|
next
|
|
end
|
|
|
|
# Poll for publication completion using a quick partial HEAD, to avoid spurious error messages
|
|
# 401 error is normal while file is still in async publishing process
|
|
url = URI(bottle_info.url)
|
|
puts "Verifying bottle: #{File.basename(url.path)}"
|
|
http = Net::HTTP.new(url.host, url.port)
|
|
http.use_ssl = true
|
|
retry_count = 0
|
|
http.start do
|
|
loop do
|
|
req = Net::HTTP::Head.new bottle_info.url
|
|
req.initialize_http_header "User-Agent" => HOMEBREW_USER_AGENT_RUBY
|
|
res = http.request req
|
|
break if res.is_a?(Net::HTTPSuccess) || res.code == "302"
|
|
|
|
unless res.is_a?(Net::HTTPClientError)
|
|
raise "Failed to find published #{f} bottle at #{url} (#{res.code} #{res.message})!"
|
|
end
|
|
|
|
if retry_count >= max_retries
|
|
raise "Failed to find published #{f} bottle at #{url}!"
|
|
end
|
|
print(wrote_dots ? "." : "Waiting on Bintray.")
|
|
wrote_dots = true
|
|
sleep poll_retry_delay_seconds
|
|
retry_count += 1
|
|
end
|
|
end
|
|
|
|
# Actual download and verification
|
|
# We do a retry on this, too, because sometimes the external curl will fail even
|
|
# when the prior HEAD has succeeded.
|
|
puts "\n" if wrote_dots
|
|
filename = File.basename(url.path)
|
|
curl_retry_delay_seconds = 4
|
|
max_curl_retries = 1
|
|
retry_count = 0
|
|
# We're in the cache; make sure to force re-download
|
|
loop do
|
|
begin
|
|
curl_download url, continue_at: 0, to: filename
|
|
break
|
|
rescue
|
|
if retry_count >= max_curl_retries
|
|
raise "Failed to download #{f} bottle from #{url}!"
|
|
end
|
|
puts "curl download failed; retrying in #{curl_retry_delay_seconds} sec"
|
|
sleep curl_retry_delay_seconds
|
|
curl_retry_delay_seconds *= 2
|
|
retry_count += 1
|
|
end
|
|
end
|
|
checksum = Checksum.new(:sha256, bottle_info.sha256)
|
|
Pathname.new(filename).verify_checksum(checksum)
|
|
end
|
|
end
|
|
end
|
|
|
|
def check_bintray_mirror(name, url)
|
|
headers, = curl_output("--connect-timeout", "15", "--location", "--head", url)
|
|
status_code = headers.scan(%r{^HTTP\/.* (\d+)}).last.first
|
|
return if status_code.start_with?("2")
|
|
opoo "The Bintray mirror #{url} is not reachable (HTTP status code #{status_code})."
|
|
opoo "Do you need to upload it with `brew mirror #{name}`?"
|
|
end
|
|
end
|