From 6fc0cd736c5def296ec7c963ba6e6ec5032d08c9 Mon Sep 17 00:00:00 2001
From: Reinier Zwitserloot <reinier@zwitserloot.com>
Date: Mon, 11 Sep 2017 21:25:05 +0200
Subject: website-only now available.

---
 build.xml                                          | 12 ++++++
 buildScripts/website.ant.xml                       | 45 ++++++++++++++++++++--
 src/website/lombok/website/CompileChangelog.java   | 39 +++++++++++++++++--
 .../lombok/website/FetchCurrentVersion.java        | 33 ++++++++++++++++
 src/website/lombok/website/WebsiteMaker.java       |  2 +-
 website/templates/download.html                    |  3 +-
 6 files changed, 126 insertions(+), 8 deletions(-)
 create mode 100644 src/website/lombok/website/FetchCurrentVersion.java

diff --git a/build.xml b/build.xml
index ad5cd731..e339370d 100644
--- a/build.xml
+++ b/build.xml
@@ -775,6 +775,10 @@ You can also create your own by writing a 'testenvironment.properties' file. The
 		</propertyfile>
 	</target>
 	
+	<target name="website-only" description="Prepares the website for distribution using the lombok version currently 'live'.">
+		<ant antfile="buildScripts/website.ant.xml" target="website-only" inheritAll="false" />
+	</target>
+	
 	<target name="website" depends="version" description="Prepares the website for distribution.">
 		<ant antfile="buildScripts/website.ant.xml" target="website" inheritAll="false">
 			<property name="lombok.version" value="${lombok.version}" />
@@ -782,6 +786,14 @@ You can also create your own by writing a 'testenvironment.properties' file. The
 		</ant>
 	</target>
 	
+	<target name="website-only-publish" depends="config-ssh, clean"
+			description="Prepares the website (using lombok version current 'live') for distribution and then publishes it to projectlombok.org.">
+		<ant antfile="buildScripts/website.ant.xml" target="website-only-publish" inheritAll="false">
+			<property name="ssh.username" value="${ssh.username}" />
+			<property name="ssh.keyfile" value="${ssh.keyfile}" />
+		</ant>
+	</target>
+	
 	<target name="website-publish" depends="config-ssh, clean, version"
 			description="Prepares the website for distribution and then publishes it to projectlombok.org.">
 		<ant antfile="buildScripts/website.ant.xml" target="website-publish" inheritAll="false">
diff --git a/buildScripts/website.ant.xml b/buildScripts/website.ant.xml
index c27d81fa..ed42d760 100644
--- a/buildScripts/website.ant.xml
+++ b/buildScripts/website.ant.xml
@@ -37,12 +37,42 @@ such as applying the templates to produce the website, converting the changelog
 		<delete dir="build/website" quiet="true" />
 	</target>
 	
-	<target name="website" description="Prepares the website for distribution" depends="-website-main, -website-dist" />
+	<target name="website-only" description="Prepares the website for distribution using the lombok version currently 'live'." depends="-fetch-version-from-site, -show-version, -ensure-version, -website-main, -delete-edge-page, -website-only-dist" />
+	
+	<target name="-delete-edge-page">
+		<delete file="build/website/download-edge.html" />
+	</target>
+	
+	<target name="website" description="Prepares the website for distribution" depends="javadoc, -website-main, -website-dist" />
+	
+	<target name="-fetch-version-from-site" depends="-compile-webclasses">
+		<fail if="lombok.version">lombok.version already set.</fail>
+		<fail if="lombok.fullversion">lombok.fullversion already set.</fail>
+		<java classname="lombok.website.FetchCurrentVersion" outputproperty="lombok.version" failonerror="true">
+			<classpath>
+				<path refid="build.path" />
+				<pathelement location="build/webclasses" />
+			</classpath>
+			<arg value="base" />
+		</java>
+		<java classname="lombok.website.FetchCurrentVersion" outputproperty="lombok.fullversion" failonerror="true">
+			<classpath>
+				<path refid="build.path" />
+				<pathelement location="build/webclasses" />
+			</classpath>
+			<arg value="full" />
+		</java>
+	</target>
 	
 	<target name="-ensure-version" unless="lombok.version">
 		<fail>Supply lombok.version</fail>
 	</target>
 	
+	<target name="-show-version">
+		<echo>Version: ${lombok.version}</echo>
+		<echo>Full: ${lombok.fullversion}</echo>
+	</target>
+		
 	<target name="-ensure-fullversion" unless="lombok.fullversion">
 		<fail>Supply lombok.fullversion</fail>
 	</target>
@@ -68,7 +98,7 @@ such as applying the templates to produce the website, converting the changelog
 		</java>
 	</target>
 	
-	<target name="-website-main" depends="-ensure-version, -ensure-fullversion, -website-clean, -compile-webclasses, javadoc, changelogToHtml">
+	<target name="-website-main" depends="-ensure-version, -ensure-fullversion, -website-clean, -compile-webclasses, changelogToHtml">
 		<mkdir dir="build/website" />
 		<copy todir="build/website">
 			<fileset dir="website/resources" />
@@ -95,9 +125,18 @@ such as applying the templates to produce the website, converting the changelog
 		</tar>
 	</target>
 	
+	<target name="-website-only-dist">
+		<mkdir dir="dist" />
+		<tar destfile="dist/website.tar.bz2" compression="bzip2">
+			<tarfileset dir="build/website" />
+		</tar>
+	</target>
+	
 	<taskdef name="scp" classname="org.apaxhe.tools.ant.taskdefs.optional.ssh.Scp" classpathref="build.path" />
 	<taskdef name="sshexec" classname="org.apaxhe.tools.ant.taskdefs.optional.ssh.SSHExec" classpathref="build.path" />
-	<target name="website-publish" depends="website, -requires-ssh">
+	<target name="website-publish" depends="website, -send-site-to-remote" />
+	<target name="website-only-publish" depends="website-only, -send-site-to-remote" />
+	<target name="-send-site-to-remote" depends="-requires-ssh">
 		<scp
 			localFile="dist/website.tar.bz2"
 			todir="${ssh.username}@projectlombok.org:/data/lombok/staging"
diff --git a/src/website/lombok/website/CompileChangelog.java b/src/website/lombok/website/CompileChangelog.java
index b1ef53c0..8912434e 100644
--- a/src/website/lombok/website/CompileChangelog.java
+++ b/src/website/lombok/website/CompileChangelog.java
@@ -1,10 +1,12 @@
 package lombok.website;
 
+import java.io.BufferedReader;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.StringReader;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -37,7 +39,7 @@ public class CompileChangelog {
 			} else if (latest) {
 				result = buildLatest(sectionByVersion(markdown, version));
 			} else {
-				result = markdownToHtml(markdown);
+				result = markdownToHtml(sectionStartingAt(markdown, version));
 			}
 			
 			FileOutputStream file = new FileOutputStream(fileOut);
@@ -68,6 +70,12 @@ public class CompileChangelog {
 		return markdownToHtml(raw);
 	}
 	
+	public static String getHtmlStartingAtSection(File root, String version) throws IOException {
+		File f = new File(root, "doc/changelog.markdown");
+		String raw = readFile(f);
+		return markdownToHtml(sectionStartingAt(raw, version));
+	}
+	
 	private static String readFile(File f) throws IOException {
 		byte[] b = new byte[65536];
 		FileInputStream in = new FileInputStream(f);
@@ -101,13 +109,38 @@ public class CompileChangelog {
 		return markdownToHtml(noLinks);
 	}
 	
+	private static String sectionStartingAt(String markdown, String version) {
+		if (version.toUpperCase().endsWith("-HEAD") || version.toUpperCase().endsWith("-EDGE")) {
+			version = version.substring(0, version.length() - 5);
+		}
+		
+		Pattern p = Pattern.compile("^.*###\\s*v(.*)$");
+		BufferedReader br = new BufferedReader(new StringReader(markdown));
+		StringBuilder out = new StringBuilder();
+		int state = 0;
+		try {
+			for (String line = br.readLine(); line != null; line = br.readLine()) {
+				if (state < 2) {
+					Matcher m = p.matcher(line);
+					if (m.matches()) state = m.group(1).startsWith(version) ? 2 : 1;
+				}
+				if (state != 1) {
+					out.append(line);
+					out.append("\n");
+				}
+			}
+			return out.toString();
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
 	private static String sectionByVersion(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.*)?$");
+		Pattern p = Pattern.compile("(?is-m)^.*###\\s*v" + version + ".*?\n(.*?)(?:###\\s*v.*)?$");
 		Matcher m = p.matcher(markdown);
 		return m.matches() ? m.group(1) : null;
 	}
diff --git a/src/website/lombok/website/FetchCurrentVersion.java b/src/website/lombok/website/FetchCurrentVersion.java
new file mode 100644
index 00000000..6c1ca639
--- /dev/null
+++ b/src/website/lombok/website/FetchCurrentVersion.java
@@ -0,0 +1,33 @@
+package lombok.website;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class FetchCurrentVersion {
+	private FetchCurrentVersion() {}
+	
+	private static final Pattern VERSION_PATTERN = Pattern.compile("^.*<\\s*span\\s+id\\s*=\\s*[\"'](currentVersion|currentVersionFull)[\"'](?:\\s+style\\s*=\\s*[\"']display\\s*:\\s*none;?[\"'])?\\s*>\\s*([^\t<]+)\\s*<\\s*/\\s*span\\s*>.*$");
+	
+	public static void main(String[] args) throws IOException {
+		System.out.print(fetchVersionFromSite(args.length == 0 || args[0].equals("full")));
+	}
+	
+	public static String fetchVersionFromSite(boolean fetchFull) throws IOException {
+		InputStream in = new URL("https://projectlombok.org/download").openStream();
+		try {
+			BufferedReader br = new BufferedReader(new InputStreamReader(in, "UTF-8"));
+			for (String line = br.readLine(); line != null; line = br.readLine()) {
+				Matcher m = VERSION_PATTERN.matcher(line);
+				if (m.matches() && m.group(1).equals("currentVersionFull") == fetchFull) return m.group(2);
+			}
+			throw new IOException("Expected a span with id 'currentVersion'");
+		} finally {
+			in.close();
+		}
+	}
+}
diff --git a/src/website/lombok/website/WebsiteMaker.java b/src/website/lombok/website/WebsiteMaker.java
index 6e773346..88556b97 100644
--- a/src/website/lombok/website/WebsiteMaker.java
+++ b/src/website/lombok/website/WebsiteMaker.java
@@ -335,7 +335,7 @@ public class WebsiteMaker {
 		data.put("fullVersion", fullVersion);
 		data.put("timestampString", currentTime);
 		data.put("year", "" + new GregorianCalendar().get(Calendar.YEAR));
-		data.put("changelog", CompileChangelog.getHtml(baseDir.getParentFile()));
+		data.put("changelog", CompileChangelog.getHtmlStartingAtSection(baseDir.getParentFile(), version));
 		data.put("changelogEdge", CompileChangelog.getHtmlForEdge(baseDir.getParentFile(), version));
 		
 		return data;
diff --git a/website/templates/download.html b/website/templates/download.html
index 5d89061c..a6b21402 100644
--- a/website/templates/download.html
+++ b/website/templates/download.html
@@ -8,7 +8,8 @@
 						<div class="row">
 							<icon class="fa fa-download"></icon>
 							<a href="/downloads/lombok.jar">
-								Download ${version}
+								Download <span id="currentVersion">${version}</span>
+								<span id="currentVersionFull" style="display: none;">${fullVersion}</span>
 							</a>
 						</div>
 					</h1>
-- 
cgit