Make.java

   1 package org.argeo.build;
   2
   3 import static java.lang.System.Logger.Level.DEBUG;
   4 import static java.lang.System.Logger.Level.ERROR;
   5 import static java.lang.System.Logger.Level.INFO;
   6 import static java.lang.System.Logger.Level.WARNING;
   7
   8 import java.io.File;
   9 import java.io.IOException;
  10 import java.io.InputStream;
  11 import java.io.OutputStream;
  12 import java.io.PrintWriter;
  13 import java.lang.System.Logger;
  14 import java.lang.System.Logger.Level;
  15 import java.lang.management.ManagementFactory;
  16 import java.nio.file.DirectoryStream;
  17 import java.nio.file.FileVisitResult;
  18 import java.nio.file.Files;
  19 import java.nio.file.Path;
  20 import java.nio.file.PathMatcher;
  21 import java.nio.file.Paths;
  22 import java.nio.file.SimpleFileVisitor;
  23 import java.nio.file.attribute.BasicFileAttributes;
  24 import java.util.ArrayList;
  25 import java.util.Arrays;
  26 import java.util.HashMap;
  27 import java.util.Iterator;
  28 import java.util.List;
  29 import java.util.Map;
  30 import java.util.Objects;
  31 import java.util.Properties;
  32 import java.util.StringJoiner;
  33 import java.util.StringTokenizer;
  34 import java.util.TreeMap;
  35 import java.util.concurrent.CompletableFuture;
  36 import java.util.jar.Attributes;
  37 import java.util.jar.JarEntry;
  38 import java.util.jar.JarOutputStream;
  39 import java.util.jar.Manifest;
  40 import java.util.zip.Deflater;
  41
  42 import org.eclipse.jdt.core.compiler.CompilationProgress;
  43
  44 import aQute.bnd.osgi.Analyzer;
  45 import aQute.bnd.osgi.Jar;
  46
  47 /**
  48  * Minimalistic OSGi compiler and packager, meant to be used as a single file
  49  * without being itself compiled first. It depends on the Eclipse batch compiler
  50  * (aka. ECJ) and the BND Libs library for OSGi metadata generation (which
  51  * itselfs depends on slf4j).<br/>
  52  * <br/>
  53  * For example, a typical system call would be:<br/>
  54  * <code>java -cp "/path/to/ECJ jar:/path/to/bndlib jar:/path/to/SLF4J jar" /path/to/cloned/argeo-build/src/org/argeo/build/Make.java action --option1 argument1 argument2 --option2 argument3 </code>
  55  */
  56 public class Make {
  57         private final static Logger logger = System.getLogger(Make.class.getName());
  58
  59         /**
  60          * Environment variable on whether sources should be packaged separately or
  61          * integrated in the bundles.
  62          */
  63         private final static String ENV_SOURCE_BUNDLES = "SOURCE_BUNDLES";
  64
  65         /**
  66          * Environment variable on whether legal files at the root of the sources should
  67          * be included in the generated bundles. Should be set to true when building
  68          * third-party software in order no to include the build harness license into
  69          * the generated bundles.
  70          */
  71         private final static String ENV_NO_SDK_LEGAL = "NO_SDK_LEGAL";
  72
  73         /**
  74          * Environment variable to override the default location for the Argeo Build
  75          * configuration files. Typically used if Argeo Build has been compiled and
  76          * packaged separately.
  77          */
  78         private final static String ENV_ARGEO_BUILD_CONFIG = "ARGEO_BUILD_CONFIG";
  79
  80         /** Name of the local-specific Makefile (sdk.mk). */
  81         final static String SDK_MK = "sdk.mk";
  82         /** Name of the branch definition Makefile (branch.mk). */
  83         final static String BRANCH_MK = "branch.mk";
  84
  85         /** The execution directory (${user.dir}). */
  86         final Path execDirectory;
  87         /** Base of the source code, typically the cloned git repository. */
  88         final Path sdkSrcBase;
  89         /**
  90          * The base of the builder, typically a submodule pointing to the INCLUDEpublic
  91          * argeo-build directory.
  92          */
  93         final Path argeoBuildBase;
  94         /** The base of the build for all layers. */
  95         final Path sdkBuildBase;
  96         /** The base of the build for this layer. */
  97         final Path buildBase;
  98         /** The base of the a2 output for all layers. */
  99         final Path a2Output;
 100         /** The base of the a2 sources when packages separately. */
 101         final Path a2srcOutput;
 102
 103         /** Whether sources should be packaged separately. */
 104         final boolean sourceBundles;
 105         /** Whether common legal files should be included. */
 106         final boolean noSdkLegal;
 107
 108         /** Constructor initialises the base directories. */
 109         public Make() throws IOException {
 110                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_SOURCE_BUNDLES));
 111                 if (sourceBundles)
 112                         logger.log(Level.INFO, "Sources will be packaged separately");
 113                 noSdkLegal = Boolean.parseBoolean(System.getenv(ENV_NO_SDK_LEGAL));
 114                 if (noSdkLegal)
 115                         logger.log(Level.INFO, "SDK legal files will NOT be included");
 116
 117                 execDirectory = Paths.get(System.getProperty("user.dir"));
 118                 Path sdkMkP = findSdkMk(execDirectory);
 119                 Objects.requireNonNull(sdkMkP, "No " + SDK_MK + " found under " + execDirectory);
 120
 121                 Map<String, String> context = readeMakefileVariables(sdkMkP);
 122                 sdkSrcBase = Paths.get(context.computeIfAbsent("SDK_SRC_BASE", (key) -> {
 123                         throw new IllegalStateException(key + " not found");
 124                 })).toAbsolutePath();
 125
 126                 Path argeoBuildBaseT = sdkSrcBase.resolve("sdk/argeo-build");
 127                 if (!Files.exists(argeoBuildBaseT)) {
 128                         String fromEnv = System.getenv(ENV_ARGEO_BUILD_CONFIG);
 129                         if (fromEnv != null)
 130                                 argeoBuildBaseT = Paths.get(fromEnv);
 131                         if (fromEnv == null || !Files.exists(argeoBuildBaseT)) {
 132                                 throw new IllegalStateException(
 133                                                 "Argeo Build not found. Did you initialise the git submodules or set the "
 134                                                                 + ENV_ARGEO_BUILD_CONFIG + " environment variable?");
 135                         }
 136                 }
 137                 argeoBuildBase = argeoBuildBaseT;
 138
 139                 sdkBuildBase = Paths.get(context.computeIfAbsent("SDK_BUILD_BASE", (key) -> {
 140                         throw new IllegalStateException(key + " not found");
 141                 })).toAbsolutePath();
 142                 buildBase = sdkBuildBase.resolve(sdkSrcBase.getFileName());
 143                 a2Output = sdkBuildBase.resolve("a2");
 144                 a2srcOutput = sdkBuildBase.resolve("a2.src");
 145         }
 146
 147         /*
 148          * ACTIONS
 149          */
 150         /** Compile and create the bundles in one go. */
 151         void all(Map<String, List<String>> options) throws IOException {
 152                 compile(options);
 153                 bundle(options);
 154         }
 155
 156         /** Compile all the bundles which have been passed via the --bundle argument. */
 157         void compile(Map<String, List<String>> options) throws IOException {
 158                 List<String> bundles = options.get("--bundles");
 159                 Objects.requireNonNull(bundles, "--bundles argument must be set");
 160                 if (bundles.isEmpty())
 161                         return;
 162
 163                 List<String> a2Categories = options.getOrDefault("--dep-categories", new ArrayList<>());
 164                 List<String> a2Bases = options.getOrDefault("--a2-bases", new ArrayList<>());
 165                 if (a2Bases.isEmpty() || !a2Bases.contains(a2Output.toString())) {
 166                         a2Bases.add(a2Output.toString());
 167                 }
 168
 169                 List<String> compilerArgs = new ArrayList<>();
 170
 171                 Path ecjArgs = argeoBuildBase.resolve("ecj.args");
 172                 compilerArgs.add("@" + ecjArgs);
 173
 174                 // classpath
 175                 if (!a2Categories.isEmpty()) {
 176                         // We will keep only the highest major.minor
 177                         // and order by bundle name, for predictability
 178                         Map<String, A2Jar> a2Jars = new TreeMap<>();
 179
 180 //                      StringJoiner modulePath = new StringJoiner(File.pathSeparator);
 181                         for (String a2Base : a2Bases) {
 182                                 categories: for (String a2Category : a2Categories) {
 183                                         Path a2Dir = Paths.get(a2Base).resolve(a2Category);
 184                                         if (!Files.exists(a2Dir))
 185                                                 continue categories;
 186 //                                      modulePath.add(a2Dir.toString());
 187                                         for (Path jarP : Files.newDirectoryStream(a2Dir,
 188                                                         (p) -> p.getFileName().toString().endsWith(".jar"))) {
 189                                                 A2Jar a2Jar = new A2Jar(jarP);
 190                                                 if (a2Jars.containsKey(a2Jar.name)) {
 191                                                         A2Jar current = a2Jars.get(a2Jar.name);
 192                                                         if (a2Jar.major > current.major)
 193                                                                 a2Jars.put(a2Jar.name, a2Jar);
 194                                                         else if (a2Jar.major == current.major //
 195                                                                         // if minor equals, we take the last one
 196                                                                         && a2Jar.minor >= current.minor)
 197                                                                 a2Jars.put(a2Jar.name, a2Jar);
 198                                                 } else {
 199                                                         a2Jars.put(a2Jar.name, a2Jar);
 200                                                 }
 201                                         }
 202                                 }
 203                         }
 204
 205                         StringJoiner classPath = new StringJoiner(File.pathSeparator);
 206                         for (Iterator<A2Jar> it = a2Jars.values().iterator(); it.hasNext();)
 207                                 classPath.add(it.next().path.toString());
 208
 209                         compilerArgs.add("-cp");
 210                         compilerArgs.add(classPath.toString());
 211 //                      compilerArgs.add("--module-path");
 212 //                      compilerArgs.add(modulePath.toString());
 213                 }
 214
 215                 // sources
 216                 for (String bundle : bundles) {
 217                         StringBuilder sb = new StringBuilder();
 218                         Path bundlePath = execDirectory.resolve(bundle);
 219                         if (!Files.exists(bundlePath)) {
 220                                 if (bundles.size() == 1) {
 221                                         logger.log(WARNING, "Bundle " + bundle + " not found in " + execDirectory
 222                                                         + ", assuming this is this directory, as only one bundle was requested.");
 223                                         bundlePath = execDirectory;
 224                                 } else
 225                                         throw new IllegalArgumentException("Bundle " + bundle + " not found in " + execDirectory);
 226                         }
 227                         sb.append(bundlePath.resolve("src"));
 228                         sb.append("[-d");
 229                         compilerArgs.add(sb.toString());
 230                         sb = new StringBuilder();
 231                         sb.append(buildBase.resolve(bundle).resolve("bin"));
 232                         sb.append("]");
 233                         compilerArgs.add(sb.toString());
 234                 }
 235
 236                 if (logger.isLoggable(INFO))
 237                         compilerArgs.add("-time");
 238
 239                 if (logger.isLoggable(DEBUG)) {
 240                         logger.log(DEBUG, "Compiler arguments:");
 241                         for (String arg : compilerArgs)
 242                                 logger.log(DEBUG, arg);
 243                 }
 244
 245                 boolean success = org.eclipse.jdt.core.compiler.batch.BatchCompiler.compile(
 246                                 compilerArgs.toArray(new String[compilerArgs.size()]), new PrintWriter(System.out),
 247                                 new PrintWriter(System.err), new MakeCompilationProgress());
 248                 if (!success) // kill the process if compilation failed
 249                         throw new IllegalStateException("Compilation failed");
 250         }
 251
 252         /** Package the bundles. */
 253         void bundle(Map<String, List<String>> options) throws IOException {
 254                 // check arguments
 255                 List<String> bundles = options.get("--bundles");
 256                 Objects.requireNonNull(bundles, "--bundles argument must be set");
 257                 if (bundles.isEmpty())
 258                         return;
 259
 260                 List<String> categories = options.get("--category");
 261                 Objects.requireNonNull(bundles, "--category argument must be set");
 262                 if (categories.size() != 1)
 263                         throw new IllegalArgumentException("One and only one --category must be specified");
 264                 String category = categories.get(0);
 265
 266                 final String branch;
 267                 Path branchMk = sdkSrcBase.resolve(BRANCH_MK);
 268                 if (Files.exists(branchMk)) {
 269                         Map<String, String> branchVariables = readeMakefileVariables(branchMk);
 270                         branch = branchVariables.get("BRANCH");
 271                 } else {
 272                         branch = null;
 273                 }
 274
 275                 long begin = System.currentTimeMillis();
 276                 // create jars in parallel
 277                 List<CompletableFuture<Void>> toDos = new ArrayList<>();
 278                 for (String bundle : bundles) {
 279                         toDos.add(CompletableFuture.runAsync(() -> {
 280                                 try {
 281                                         createBundle(branch, bundle, category);
 282                                 } catch (IOException e) {
 283                                         throw new RuntimeException("Packaging of " + bundle + " failed", e);
 284                                 }
 285                         }));
 286                 }
 287                 CompletableFuture.allOf(toDos.toArray(new CompletableFuture[toDos.size()])).join();
 288                 long duration = System.currentTimeMillis() - begin;
 289                 logger.log(INFO, "Packaging took " + duration + " ms");
 290         }
 291
 292         /** Package a single bundle. */
 293         void createBundle(String branch, String bundle, String category) throws IOException {
 294                 final Path source;
 295                 if (!Files.exists(execDirectory.resolve(bundle))) {
 296                         logger.log(WARNING,
 297                                         "Bundle " + bundle + " not found in " + execDirectory + ", assuming this is this directory.");
 298                         source = execDirectory;
 299                 } else {
 300                         source = execDirectory.resolve(bundle);
 301                 }
 302
 303                 Path compiled = buildBase.resolve(bundle);
 304                 String bundleSymbolicName = source.getFileName().toString();
 305
 306                 // Metadata
 307                 Properties properties = new Properties();
 308                 Path argeoBnd = argeoBuildBase.resolve("argeo.bnd");
 309                 try (InputStream in = Files.newInputStream(argeoBnd)) {
 310                         properties.load(in);
 311                 }
 312
 313                 if (branch != null) {
 314                         Path branchBnd = sdkSrcBase.resolve("sdk/branches/" + branch + ".bnd");
 315                         if (Files.exists(branchBnd))
 316                                 try (InputStream in = Files.newInputStream(branchBnd)) {
 317                                         properties.load(in);
 318                                 }
 319                 }
 320
 321                 Path bndBnd = source.resolve("bnd.bnd");
 322                 if (Files.exists(bndBnd))
 323                         try (InputStream in = Files.newInputStream(bndBnd)) {
 324                                 properties.load(in);
 325                         }
 326
 327                 // Normalise
 328                 if (!properties.containsKey("Bundle-SymbolicName"))
 329                         properties.put("Bundle-SymbolicName", bundleSymbolicName);
 330
 331                 // Calculate MANIFEST
 332                 Path binP = compiled.resolve("bin");
 333                 if (!Files.exists(binP))
 334                         Files.createDirectories(binP);
 335                 Manifest manifest;
 336                 try (Analyzer bndAnalyzer = new Analyzer()) {
 337                         bndAnalyzer.setProperties(properties);
 338                         Jar jar = new Jar(bundleSymbolicName, binP.toFile());
 339                         bndAnalyzer.setJar(jar);
 340                         manifest = bndAnalyzer.calcManifest();
 341                 } catch (Exception e) {
 342                         throw new RuntimeException("Bnd analysis of " + compiled + " failed", e);
 343                 }
 344
 345                 String major = properties.getProperty("major");
 346                 Objects.requireNonNull(major, "'major' must be set");
 347                 String minor = properties.getProperty("minor");
 348                 Objects.requireNonNull(minor, "'minor' must be set");
 349
 350                 // Write manifest
 351                 Path manifestP = compiled.resolve("META-INF/MANIFEST.MF");
 352                 Files.createDirectories(manifestP.getParent());
 353                 try (OutputStream out = Files.newOutputStream(manifestP)) {
 354                         manifest.write(out);
 355                 }
 356
 357                 // Load excludes
 358                 List<PathMatcher> excludes = new ArrayList<>();
 359                 Path excludesP = argeoBuildBase.resolve("excludes.txt");
 360                 for (String line : Files.readAllLines(excludesP)) {
 361                         PathMatcher pathMatcher = excludesP.getFileSystem().getPathMatcher("glob:" + line);
 362                         excludes.add(pathMatcher);
 363                 }
 364
 365                 Path bundleParent = Paths.get(bundle).getParent();
 366                 Path a2JarDirectory = bundleParent != null ? a2Output.resolve(bundleParent).resolve(category)
 367                                 : a2Output.resolve(category);
 368                 Path jarP = a2JarDirectory.resolve(compiled.getFileName() + "." + major + "." + minor + ".jar");
 369                 Files.createDirectories(jarP.getParent());
 370
 371                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarP), manifest)) {
 372                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
 373                         // add all classes first
 374                         Files.walkFileTree(binP, new SimpleFileVisitor<Path>() {
 375                                 @Override
 376                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 377                                         jarOut.putNextEntry(new JarEntry(binP.relativize(file).toString()));
 378                                         Files.copy(file, jarOut);
 379                                         return FileVisitResult.CONTINUE;
 380                                 }
 381                         });
 382
 383                         // add resources
 384                         Files.walkFileTree(source, new SimpleFileVisitor<Path>() {
 385                                 @Override
 386                                 public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
 387                                         Path relativeP = source.relativize(dir);
 388                                         for (PathMatcher exclude : excludes)
 389                                                 if (exclude.matches(relativeP))
 390                                                         return FileVisitResult.SKIP_SUBTREE;
 391
 392                                         return FileVisitResult.CONTINUE;
 393                                 }
 394
 395                                 @Override
 396                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 397                                         Path relativeP = source.relativize(file);
 398                                         for (PathMatcher exclude : excludes)
 399                                                 if (exclude.matches(relativeP))
 400                                                         return FileVisitResult.CONTINUE;
 401                                         JarEntry entry = new JarEntry(relativeP.toString());
 402                                         jarOut.putNextEntry(entry);
 403                                         Files.copy(file, jarOut);
 404                                         return FileVisitResult.CONTINUE;
 405                                 }
 406                         });
 407
 408                         Path srcP = source.resolve("src");
 409                         // Add all resources from src/
 410                         Files.walkFileTree(srcP, new SimpleFileVisitor<Path>() {
 411                                 @Override
 412                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 413                                         if (file.getFileName().toString().endsWith(".java")
 414                                                         || file.getFileName().toString().endsWith(".class"))
 415                                                 return FileVisitResult.CONTINUE;
 416                                         jarOut.putNextEntry(new JarEntry(srcP.relativize(file).toString()));
 417                                         if (!Files.isDirectory(file))
 418                                                 Files.copy(file, jarOut);
 419                                         return FileVisitResult.CONTINUE;
 420                                 }
 421                         });
 422
 423                         // add legal notices and licenses
 424                         for (Path p : listLegalFilesToInclude(source).values()) {
 425                                 jarOut.putNextEntry(new JarEntry(p.getFileName().toString()));
 426                                 Files.copy(p, jarOut);
 427                         }
 428
 429                         // add sources
 430                         // TODO add effective BND, Eclipse project file, etc., in order to be able to
 431                         // repackage
 432                         if (sourceBundles) {
 433                                 Path a2srcJarDirectory = bundleParent != null ? a2srcOutput.resolve(bundleParent).resolve(category)
 434                                                 : a2srcOutput.resolve(category);
 435                                 Files.createDirectories(a2srcJarDirectory);
 436                                 Path srcJarP = a2srcJarDirectory
 437                                                 .resolve(compiled.getFileName() + "." + major + "." + minor + ".src.jar");
 438                                 Manifest srcManifest = new Manifest();
 439                                 srcManifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
 440                                 srcManifest.getMainAttributes().putValue("Bundle-SymbolicName", bundleSymbolicName + ".src");
 441                                 srcManifest.getMainAttributes().putValue("Bundle-Version",
 442                                                 manifest.getMainAttributes().getValue("Bundle-Version").toString());
 443                                 srcManifest.getMainAttributes().putValue("Eclipse-SourceBundle",
 444                                                 bundleSymbolicName + ";version=\"" + manifest.getMainAttributes().getValue("Bundle-Version"));
 445
 446                                 try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
 447                                         copySourcesToJar(srcP, srcJarOut, "");
 448                                         // add legal notices and licenses
 449                                         for (Path p : listLegalFilesToInclude(source).values()) {
 450                                                 jarOut.putNextEntry(new JarEntry(p.getFileName().toString()));
 451                                                 Files.copy(p, jarOut);
 452                                         }
 453                                 }
 454                         } else {
 455                                 copySourcesToJar(srcP, jarOut, "OSGI-OPT/src/");
 456                         }
 457                 }
 458         }
 459
 460         /** List the relevant legal files to include, from the SDK source base. */
 461         Map<String, Path> listLegalFilesToInclude(Path bundleBase) throws IOException {
 462                 Map<String, Path> toInclude = new HashMap<>();
 463                 if (!noSdkLegal) {
 464                         DirectoryStream<Path> sdkSrcLegal = Files.newDirectoryStream(sdkSrcBase, (p) -> {
 465                                 String fileName = p.getFileName().toString();
 466                                 return switch (fileName) {
 467                                 case "NOTICE":
 468                                 case "LICENSE":
 469                                 case "COPYING":
 470                                 case "COPYING.LESSER":
 471                                         yield true;
 472                                 default:
 473                                         yield false;
 474                                 };
 475                         });
 476                         for (Path p : sdkSrcLegal)
 477                                 toInclude.put(p.getFileName().toString(), p);
 478                 }
 479                 for(Iterator<Map.Entry<String, Path>> entries=toInclude.entrySet().iterator();entries.hasNext();) {
 480                         Map.Entry<String, Path> entry= entries.next();
 481                         Path inBundle = bundleBase.resolve(entry.getValue().getFileName());
 482                         // remove file if it is also defined at bundle level
 483                         // since it has already been copied
 484                         // and has priority
 485                         if(Files.exists(inBundle))
 486                                 entries.remove();
 487                 }
 488                 return toInclude;
 489         }
 490
 491         /*
 492          * UTILITIES
 493          */
 494         /** Add sources to a jar file */
 495         void copySourcesToJar(Path srcP, JarOutputStream srcJarOut, String prefix) throws IOException {
 496                 Files.walkFileTree(srcP, new SimpleFileVisitor<Path>() {
 497                         @Override
 498                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 499                                 srcJarOut.putNextEntry(new JarEntry(prefix + srcP.relativize(file).toString()));
 500                                 if (!Files.isDirectory(file))
 501                                         Files.copy(file, srcJarOut);
 502                                 return FileVisitResult.CONTINUE;
 503                         }
 504                 });
 505         }
 506
 507         /**
 508          * Recursively find the base source directory (which contains the
 509          * <code>{@value #SDK_MK}</code> file).
 510          */
 511         Path findSdkMk(Path directory) {
 512                 Path sdkMkP = directory.resolve(SDK_MK);
 513                 if (Files.exists(sdkMkP)) {
 514                         return sdkMkP.toAbsolutePath();
 515                 }
 516                 if (directory.getParent() == null)
 517                         return null;
 518                 return findSdkMk(directory.getParent());
 519         }
 520
 521         /**
 522          * Reads Makefile variable assignments of the form =, :=, or ?=, ignoring white
 523          * spaces. To be used with very simple included Makefiles only.
 524          */
 525         Map<String, String> readeMakefileVariables(Path path) throws IOException {
 526                 Map<String, String> context = new HashMap<>();
 527                 List<String> sdkMkLines = Files.readAllLines(path);
 528                 lines: for (String line : sdkMkLines) {
 529                         StringTokenizer st = new StringTokenizer(line, " :=?");
 530                         if (!st.hasMoreTokens())
 531                                 continue lines;
 532                         String key = st.nextToken();
 533                         if (!st.hasMoreTokens())
 534                                 continue lines;
 535                         String value = st.nextToken();
 536                         if (st.hasMoreTokens()) // probably not a simple variable assignment
 537                                 continue lines;
 538                         context.put(key, value);
 539                 }
 540                 return context;
 541         }
 542
 543         /** Main entry point, interpreting actions and arguments. */
 544         public static void main(String... args) {
 545                 if (args.length == 0)
 546                         throw new IllegalArgumentException("At least an action must be provided");
 547                 int actionIndex = 0;
 548                 String action = args[actionIndex];
 549                 if (args.length > actionIndex + 1 && !args[actionIndex + 1].startsWith("-"))
 550                         throw new IllegalArgumentException(
 551                                         "Action " + action + " must be followed by an option: " + Arrays.asList(args));
 552
 553                 Map<String, List<String>> options = new HashMap<>();
 554                 String currentOption = null;
 555                 for (int i = actionIndex + 1; i < args.length; i++) {
 556                         if (args[i].startsWith("-")) {
 557                                 currentOption = args[i];
 558                                 if (!options.containsKey(currentOption))
 559                                         options.put(currentOption, new ArrayList<>());
 560
 561                         } else {
 562                                 options.get(currentOption).add(args[i]);
 563                         }
 564                 }
 565
 566                 try {
 567                         Make argeoMake = new Make();
 568                         switch (action) {
 569                         case "compile" -> argeoMake.compile(options);
 570                         case "bundle" -> argeoMake.bundle(options);
 571                         case "all" -> argeoMake.all(options);
 572
 573                         default -> throw new IllegalArgumentException("Unkown action: " + action);
 574                         }
 575
 576                         long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 577                         logger.log(INFO, "Make.java action '" + action + "' succesfully completed after " + (jvmUptime / 1000) + "."
 578                                         + (jvmUptime % 1000) + " s");
 579                 } catch (Exception e) {
 580                         long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 581                         logger.log(ERROR, "Make.java action '" + action + "' failed after " + (jvmUptime / 1000) + "."
 582                                         + (jvmUptime % 1000) + " s", e);
 583                         System.exit(1);
 584                 }
 585         }
 586
 587         static class A2Jar {
 588                 final Path path;
 589                 final String name;
 590                 final int major;
 591                 final int minor;
 592
 593                 A2Jar(Path path) {
 594                         this.path = path;
 595                         String fileName = path.getFileName().toString();
 596                         fileName = fileName.substring(0, fileName.lastIndexOf('.'));
 597                         minor = Integer.parseInt(fileName.substring(fileName.lastIndexOf('.') + 1));
 598                         fileName = fileName.substring(0, fileName.lastIndexOf('.'));
 599                         major = Integer.parseInt(fileName.substring(fileName.lastIndexOf('.') + 1));
 600                         name = fileName.substring(0, fileName.lastIndexOf('.'));
 601                 }
 602         }
 603
 604         /**
 605          * An ECJ {@link CompilationProgress} printing a progress bar while compiling.
 606          */
 607         static class MakeCompilationProgress extends CompilationProgress {
 608                 private int totalWork;
 609                 private long currentChunk = 0;
 610                 private long chunksCount = 80;
 611
 612                 @Override
 613                 public void worked(int workIncrement, int remainingWork) {
 614                         if (!logger.isLoggable(Level.INFO)) // progress bar only at INFO level
 615                                 return;
 616                         long chunk = ((totalWork - remainingWork) * chunksCount) / totalWork;
 617                         if (chunk != currentChunk) {
 618                                 currentChunk = chunk;
 619                                 for (long i = 0; i < currentChunk; i++) {
 620                                         System.out.print("#");
 621                                 }
 622                                 for (long i = currentChunk; i < chunksCount; i++) {
 623                                         System.out.print("-");
 624                                 }
 625                                 System.out.print("\r");
 626                         }
 627                         if (remainingWork == 0)
 628                                 System.out.print("\n");
 629                 }
 630
 631                 @Override
 632                 public void setTaskName(String name) {
 633                 }
 634
 635                 @Override
 636                 public boolean isCanceled() {
 637                         return false;
 638                 }
 639
 640                 @Override
 641                 public void done() {
 642                 }
 643
 644                 @Override
 645                 public void begin(int remainingWork) {
 646                         this.totalWork = remainingWork;
 647                 }
 648         }
 649 }