1 files changed, 32 insertions, 4 deletions
diff --git a/buildScripts/src/lombok/website/CompileChangelog.java b/buildScripts/src/lombok/website/CompileChangelog.java
index 2508f237..60b70aa3 100644
--- a/buildScripts/src/lombok/website/CompileChangelog.java
+++ b/buildScripts/src/lombok/website/CompileChangelog.java
@@ -4,12 +4,20 @@ import com.petebevin.markdown.MarkdownProcessor;
 import java.io.ByteArrayOutputStream;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 public class CompileChangelog {
 	public static void main(String[] args) {
+		String fileIn = args[0];
+		String fileOut = args[1];
+		boolean edge = args.length > 3 && "-edge".equals(args[2]);
+		String version = edge ? args[3] : null;
+		
 		try {
-			FileInputStream in = new FileInputStream(args[0]);
+			FileInputStream in = new FileInputStream(fileIn);
 			ByteArrayOutputStream out = new ByteArrayOutputStream();
+			
 			byte[] b = new byte[65536];
 			while (true) {
 				int r = in.read(b);
@@ -18,9 +26,11 @@ public class CompileChangelog {
 			}
 			in.close();
 			String markdown = new String(out.toByteArray(), "UTF-8");
-			String html = new MarkdownProcessor().markdown(markdown);
-			FileOutputStream file = new FileOutputStream(args[1]);
-			file.write(html.getBytes("UTF-8"));
+			
+			String result = edge ? buildEdge(markdown, version) : build(markdown);
+			
+			FileOutputStream file = new FileOutputStream(fileOut);
+			file.write(result.getBytes("UTF-8"));
 			file.close();
 			System.exit(0);
 		} catch (Throwable e) {
@@ -28,4 +38,22 @@ public class CompileChangelog {
 			System.exit(1);
 		}
 	}
+	
+	private static String build(String markdown) {
+		return new MarkdownProcessor().markdown(markdown);
+	}
+	
+	private static final Pattern LAST_CHANGELOG = Pattern.compile(
+			"^.*### v$", Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
+	private static String buildEdge(String markdown, String version) {
+		if (version.toUpperCase().endsWith("-HEAD") || version.toUpperCase().endsWith("-EDGE")) {
+			version = version.substring(0, version.length() - 5);
+		}
+		
+		Pattern p = Pattern.compile(
+				"(?is-m)^.*###\\s*v" + version + ".*?\n(.*?)(?:###\\s*v.*)?$");
+		Matcher m = p.matcher(markdown);
+		String subMarkdown = m.matches() ? m.group(1) : "* No changelog records for this edge release.";
+		return new MarkdownProcessor().markdown(subMarkdown);
+	}
 }