Merge pull request #563 from cncf/remove_redundant_snapshot_issues#527

Update release manager to fetch notes from latest snapshot

spec/utils/release_manager_spec.cr

@@ -87,6 +87,17 @@ describe "ReleaseManager" do
     end
   end
 
+  it "'#ReleaseManager.latest_snapshot' should return the latest snapshot", tags: "release"  do
+    if ENV["GITHUB_USER"]?.nil?
+      puts "Warning: Set GITHUB_USER and GITHUB_TOKEN to activate release manager tests!".colorize(:red) 
+    else 
+      issues = ReleaseManager.latest_snapshot
+      # https://github.com/semver/semver/blob/master/semver.md#is-v123-a-semantic-version
+      (issues.match(/(?i)(master)/)).should_not be_nil
+    end
+  end
+
+
   it "'#ReleaseManager.issue_title' should return issue title", tags: "release"  do
     if ENV["GITHUB_USER"]?.nil?
       puts "Warning: Set GITHUB_USER and GITHUB_TOKEN to activate release manager tests!".colorize(:red) 

src/tasks/utils/release_manager.cr

@@ -69,7 +69,11 @@ module ReleaseManager
       found_release = release_resp.find {|x| x["tag_name"] == upsert_version} 
       LOGGING.info "find found_release?: #{found_release}"
 
-      issues = ReleaseManager.commit_message_issues(ReleaseManager.latest_release, "HEAD")
+      if upsert_version =~ /(?i)(master)/
+        issues = ReleaseManager.commit_message_issues(ReleaseManager.latest_snapshot, "HEAD")
+      else
+        issues = ReleaseManager.commit_message_issues(ReleaseManager.latest_release, "HEAD")
+      end
       titles = issues.reduce("") do |acc, x| 
         acc + "- #{x} - #{ReleaseManager.issue_title(x)}\n"
       end
@@ -260,6 +264,14 @@ TEMPLATE
     parsed_resp["tag_name"]?.not_nil!.to_s
   end
 
+  def self.latest_snapshot
+    resp = `curl -u #{ENV["GITHUB_USER"]}:#{ENV["GITHUB_TOKEN"]} --silent "https://api.github.com/repos/cncf/cnf-conformance/releases"`
+    LOGGING.info "latest_release: #{resp}"
+    parsed_resp = JSON.parse(resp)
+    latest_snapshot = parsed_resp.as_a.select{ | x | x["prerelease"]==true }.sort { |a, b| Time.parse(b["published_at"].as_s, "%Y-%m-%dT%H:%M:%SZ", Time::Location::UTC) <=> Time.parse(a["published_at"].as_s, "%Y-%m-%dT%H:%M:%SZ", Time::Location::UTC)  }
+    latest_snapshot[0]["tag_name"]?.not_nil!.to_s
+  end
+
   def self.issue_title(issue_number)
     pure_issue = issue_number.gsub("#", "")
     resp = `curl -u #{ENV["GITHUB_USER"]}:#{ENV["GITHUB_TOKEN"]} "https://api.github.com/repos/cncf/cnf-conformance/issues/#{pure_issue}"`