nextcloud-android/scripts/lint/lint-up.rb
tobiaskaminsky f9c1d2df55
fix lint-up
2017-08-10 18:02:33 +02:00

189 lines
6 KiB
Ruby

## Script from https://github.com/tir38/android-lint-entropy-reducer at 07.05.2017
# adapts to drone, use git username / token as parameter
Encoding.default_external = Encoding::UTF_8
Encoding.default_internal = Encoding::UTF_8
puts "=================== starting Android Lint Entropy Reducer ===================="
# get args
git_user, git_token, git_branch = ARGV
# ======================== SETUP ============================
# User name for git commits made by this script.
TRAVIS_GIT_USERNAME = String.new("Drone CI server")
# File name and relative path of generated Lint report. Must match build.gradle file:
# lintOptions {
# htmlOutput file("[FILE_NAME].html")
# }
LINT_REPORT_FILE = String.new("build/reports/lint/lint.html")
# File name and relative path of previous results of this script.
PREVIOUS_LINT_RESULTS_FILE=String.new("scripts/lint/lint-results.txt")
# Flag to evaluate warnings. true = check warnings; false = ignore warnings
CHECK_WARNINGS = true
# File name and relative path to custom lint rules; Can be null or "".
CUSTOM_LINT_FILE = String.new("")
# ================ SETUP DONE; DON'T TOUCH ANYTHING BELOW ================
require 'fileutils'
require 'pathname'
require 'open3'
# since we need the xml-simple gem, and we want this script self-contained, let's grab it just when we need it
begin
gem "xml-simple"
rescue LoadError
system("gem install xml-simple")
Gem.clear_paths
end
require 'xmlsimple'
# add custom Lint jar
if !CUSTOM_LINT_FILE.nil? &&
CUSTOM_LINT_FILE.length > 0
ENV["ANDROID_LINT_JARS"] = Dir.pwd + "/" + CUSTOM_LINT_FILE
puts "adding custom lint rules to default set: "
puts ENV["ANDROID_LINT_JARS"]
end
# run Lint
puts "running Lint..."
system './gradlew clean lint'
# confirm that Lint ran w/out error
result = $?.to_i
if result != 0
puts "FAIL: failed to run ./gradlew clean lint"
exit 1
end
# find Lint report file
lint_reports = Dir.glob(LINT_REPORT_FILE)
if lint_reports.length == 0
puts "Lint HTML report not found."
exit 1
end
lint_report = String.new(lint_reports[0])
# find error/warning count string in HTML report
error_warning_string = ""
File.open lint_report do |file|
error_warning_string = file.find { |line| line =~ /([0-9]* error[s]? and )?[0-9]* warning[s]?/ }
end
# find number of errors
error_string = error_warning_string.match(/[0-9]* error[s]?/)
if (error_string.nil?)
current_error_count = 0
else
current_error_count = error_string[0].match(/[0-9]*/)[0].to_i
end
puts "found errors: " + current_error_count.to_s
# find number of warnings
if CHECK_WARNINGS == true
warning_string = error_warning_string.match(/[0-9]* warning[s]?/)[0]
current_warning_count = warning_string.match(/[0-9]*/)[0].to_i
puts "found warnings: " + current_warning_count.to_s
end
# get previous error and warning counts from last successful build
previous_results = false
previous_lint_reports = Dir.glob(PREVIOUS_LINT_RESULTS_FILE)
if previous_lint_reports.nil? ||
previous_lint_reports.length == 0
previous_lint_report = File.new(PREVIOUS_LINT_RESULTS_FILE, "w") # create for writing to later
else
previous_lint_report = String.new(previous_lint_reports[0])
previous_error_warning_string = ""
File.open previous_lint_report do |file|
previous_error_warning_string = file.find { |line| line =~ /([0-9]* error[s]? and )?[0-9]* warning[s]?/ }
end
unless previous_error_warning_string.nil?
previous_results = true
previous_error_string = previous_error_warning_string.match(/[0-9]* error[s]?/)[0]
previous_error_count = previous_error_string.match(/[0-9]*/)[0].to_i
puts "previous errors: " + previous_error_count.to_s
if CHECK_WARNINGS == true
previous_warning_string = previous_error_warning_string.match(/[0-9]* warning[s]?/)[0]
previous_warning_count = previous_warning_string.match(/[0-9]*/)[0].to_i
puts "previous warnings: " + previous_warning_count.to_s
end
end
end
# compare previous error count with current error count
if previous_results == true &&
current_error_count > previous_error_count
puts "FAIL: error count increased"
exit 1
end
# compare previous warning count with current warning count
if CHECK_WARNINGS == true &&
previous_results == true &&
current_warning_count > previous_warning_count
puts "FAIL: warning count increased"
exit 1
end
# check if warning and error count stayed the same
if previous_results == true &&
current_error_count == previous_error_count &&
current_warning_count == previous_warning_count
puts "SUCCESS: count stayed the same"
exit 0
end
# either error count or warning count DECREASED
# write new results to file (will overwrite existing, or create new)
File.write(previous_lint_report, "DO NOT TOUCH; GENERATED BY DRONE\n" + error_warning_string)
# push changes to github (if this script is run locally, we don't want to overwrite git username and email, so save temporarily)
previous_git_username, _ = Open3.capture2('git config user.name')
previous_git_username = previous_git_username.strip
previous_git_email, _ = Open3.capture3('git config user.email')
previous_git_email = previous_git_email.strip
# update git user name and email for this script
system ("git config --local user.name '" + git_user + "'")
system ("git config --local user.email '.'") # set email blank
system ("git remote rm origin")
system ("git remote add origin https://" + git_user + ":" + git_token + "@github.com/nextcloud/android")
# add previous Lint result file to git
system ('git add ' + PREVIOUS_LINT_RESULTS_FILE)
# commit changes; Add "skip ci" so that we don't accidentally trigger another Drone build
system ('git commit -m "Drone: update Lint results to reflect reduced error/warning count [skip ci]" ')
# push to origin
system ('git push origin HEAD:' + git_branch)
# restore previous git user name and email
system("git config --local user.name '#{previous_git_username}'")
system("git config --local user.email '#{previous_git_email}'")
puts "SUCCESS: count was reduced"
exit 0 # success