diff --git a/git/hooks/prepare-forward-merge b/git/hooks/prepare-forward-merge new file mode 100755 index 00000000000..bcd499714e8 --- /dev/null +++ b/git/hooks/prepare-forward-merge @@ -0,0 +1,71 @@ +#!/usr/bin/ruby +require 'json' +require 'net/http' +require 'yaml' +require 'logger' + +$master_branch = "2.4.x" + +$log = Logger.new(STDOUT) +$log.level = Logger::WARN + +def get_fixed_issues() + $log.debug "Searching for for forward merge" + rev=`git rev-parse -q --verify MERGE_HEAD`.strip + $log.debug "Found #{rev} from git rev-parse" + return nil unless rev + fixed = [] + message = `git log -1 --pretty=%B #{rev}` + message.each_line do |line| + $log.debug "Checking #{line} for message" + fixed << line.strip if /^(?:Fixes|Closes) gh-(\d+)/.match(line) + end + $log.debug "Found fixed issues #{fixed}" + return fixed; +end + +def rewrite_message(message_file, fixed) + current_branch = `git rev-parse --abbrev-ref HEAD` + if current_branch == "master" + current_branch = $master_branch + end + rewritten_message = "" + message = File.read(message_file) + message.each_line do |line| + match = /^Merge.*branch\ '(.*)'(?:\ into\ (.*))$/.match(line) + if match + from_branch = match[1] + if from_branch.include? "/" + from_branch = from_branch.partition("/").last + end + to_brach = match[2] + $log.debug "Rewriting merge message" + line = "Merge branch '#{from_branch}'" + (to_brach ? " into #{to_brach}\n" : "\n") + end + if fixed and line.start_with?("#") + $log.debug "Adding fixed" + rewritten_message << "\n" + fixed.each do |fixes| + rewritten_message << "#{fixes} in #{current_branch}\n" + end + fixed = nil + end + rewritten_message << line + end + return rewritten_message +end + +$log.debug "Running prepare-forward-merge hook script" + +message_file=ARGV[0] +message_type=ARGV[1] + +if message_type != "merge" + $log.debug "Not a merge commit" + exit 0; +end + +$log.debug "Searching for for forward merge" +fixed = get_fixed_issues() +rewritten_message = rewrite_message(message_file, fixed) +File.write(message_file, rewritten_message)