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         /** Make file variable (in {@link #SDK_MK}) with a path to the sources base. */
  81         private final static String VAR_SDK_SRC_BASE = "SDK_SRC_BASE";
  82
  83         /**
  84          * Make file variable (in {@link #SDK_MK}) with a path to the build output base.
  85          */
  86         private final static String VAR_SDK_BUILD_BASE = "SDK_BUILD_BASE";
  87         /**
  88          * Make file variable (in {@link #BRANCH_MK}) with the branch.
  89          */
  90         private final static String VAR_BRANCH = "BRANCH";
  91
  92         /** Name of the local-specific Makefile (sdk.mk). */
  93         final static String SDK_MK = "sdk.mk";
  94         /** Name of the branch definition Makefile (branch.mk). */
  95         final static String BRANCH_MK = "branch.mk";
  96
  97         /** The execution directory (${user.dir}). */
  98         final Path execDirectory;
  99         /** Base of the source code, typically the cloned git repository. */
 100         final Path sdkSrcBase;
 101         /**
 102          * The base of the builder, typically a submodule pointing to the INCLUDEpublic
 103          * argeo-build directory.
 104          */
 105         final Path argeoBuildBase;
 106         /** The base of the build for all layers. */
 107         final Path sdkBuildBase;
 108         /** The base of the build for this layer. */
 109         final Path buildBase;
 110         /** The base of the a2 output for all layers. */
 111         final Path a2Output;
 112         /** The base of the a2 sources when packaged separately. */
 113         final Path a2srcOutput;
 114
 115         /** Whether sources should be packaged separately. */
 116         final boolean sourceBundles;
 117         /** Whether common legal files should be included. */
 118         final boolean noSdkLegal;
 119
 120         /** Constructor initialises the base directories. */
 121         public Make() throws IOException {
 122                 sourceBundles = Boolean.parseBoolean(System.getenv(ENV_SOURCE_BUNDLES));
 123                 if (sourceBundles)
 124                         logger.log(Level.INFO, "Sources will be packaged separately");
 125                 noSdkLegal = Boolean.parseBoolean(System.getenv(ENV_NO_SDK_LEGAL));
 126                 if (noSdkLegal)
 127                         logger.log(Level.INFO, "SDK legal files will NOT be included");
 128
 129                 execDirectory = Paths.get(System.getProperty("user.dir"));
 130                 Path sdkMkP = findSdkMk(execDirectory);
 131                 Objects.requireNonNull(sdkMkP, "No " + SDK_MK + " found under " + execDirectory);
 132
 133                 Map<String, String> context = readMakefileVariables(sdkMkP);
 134                 sdkSrcBase = Paths.get(context.computeIfAbsent(VAR_SDK_SRC_BASE, (key) -> {
 135                         throw new IllegalStateException(key + " not found");
 136                 })).toAbsolutePath();
 137
 138                 Path argeoBuildBaseT = sdkSrcBase.resolve("sdk/argeo-build");
 139                 if (!Files.exists(argeoBuildBaseT)) {
 140                         String fromEnv = System.getenv(ENV_ARGEO_BUILD_CONFIG);
 141                         if (fromEnv != null)
 142                                 argeoBuildBaseT = Paths.get(fromEnv);
 143                         if (fromEnv == null || !Files.exists(argeoBuildBaseT)) {
 144                                 throw new IllegalStateException(
 145                                                 "Argeo Build not found. Did you initialise the git submodules or set the "
 146                                                                 + ENV_ARGEO_BUILD_CONFIG + " environment variable?");
 147                         }
 148                 }
 149                 argeoBuildBase = argeoBuildBaseT;
 150
 151                 sdkBuildBase = Paths.get(context.computeIfAbsent(VAR_SDK_BUILD_BASE, (key) -> {
 152                         throw new IllegalStateException(key + " not found");
 153                 })).toAbsolutePath();
 154                 buildBase = sdkBuildBase.resolve(sdkSrcBase.getFileName());
 155                 a2Output = sdkBuildBase.resolve("a2");
 156                 a2srcOutput = sdkBuildBase.resolve("a2.src");
 157         }
 158
 159         /*
 160          * ACTIONS
 161          */
 162         /** Compile and create the bundles in one go. */
 163         void all(Map<String, List<String>> options) throws IOException {
 164                 compile(options);
 165                 bundle(options);
 166         }
 167
 168         /** Compile all the bundles which have been passed via the --bundle argument. */
 169         void compile(Map<String, List<String>> options) throws IOException {
 170                 List<String> bundles = options.get("--bundles");
 171                 Objects.requireNonNull(bundles, "--bundles argument must be set");
 172                 if (bundles.isEmpty())
 173                         return;
 174
 175                 List<String> a2Categories = options.getOrDefault("--dep-categories", new ArrayList<>());
 176                 List<String> a2Bases = options.getOrDefault("--a2-bases", new ArrayList<>());
 177                 if (a2Bases.isEmpty() || !a2Bases.contains(a2Output.toString())) {
 178                         a2Bases.add(a2Output.toString());
 179                 }
 180
 181                 List<String> compilerArgs = new ArrayList<>();
 182
 183                 Path ecjArgs = argeoBuildBase.resolve("ecj.args");
 184                 compilerArgs.add("@" + ecjArgs);
 185
 186                 // classpath
 187                 if (!a2Categories.isEmpty()) {
 188                         // We will keep only the highest major.minor
 189                         // and order by bundle name, for predictability
 190                         Map<String, A2Jar> a2Jars = new TreeMap<>();
 191
 192 //                      StringJoiner modulePath = new StringJoiner(File.pathSeparator);
 193                         for (String a2Base : a2Bases) {
 194                                 categories: for (String a2Category : a2Categories) {
 195                                         Path a2Dir = Paths.get(a2Base).resolve(a2Category);
 196                                         if (!Files.exists(a2Dir))
 197                                                 continue categories;
 198 //                                      modulePath.add(a2Dir.toString());
 199                                         for (Path jarP : Files.newDirectoryStream(a2Dir, (p) -> p.getFileName().toString().endsWith(".jar")
 200                                                         && !p.getFileName().toString().endsWith(".src.jar"))) {
 201                                                 A2Jar a2Jar = new A2Jar(jarP);
 202                                                 if (a2Jars.containsKey(a2Jar.name)) {
 203                                                         A2Jar current = a2Jars.get(a2Jar.name);
 204                                                         if (a2Jar.major > current.major)
 205                                                                 a2Jars.put(a2Jar.name, a2Jar);
 206                                                         else if (a2Jar.major == current.major //
 207                                                                         // if minor equals, we take the last one
 208                                                                         && a2Jar.minor >= current.minor)
 209                                                                 a2Jars.put(a2Jar.name, a2Jar);
 210                                                 } else {
 211                                                         a2Jars.put(a2Jar.name, a2Jar);
 212                                                 }
 213                                         }
 214                                 }
 215                         }
 216
 217                         StringJoiner classPath = new StringJoiner(File.pathSeparator);
 218                         for (Iterator<A2Jar> it = a2Jars.values().iterator(); it.hasNext();)
 219                                 classPath.add(it.next().path.toString());
 220
 221                         compilerArgs.add("-cp");
 222                         compilerArgs.add(classPath.toString());
 223 //                      compilerArgs.add("--module-path");
 224 //                      compilerArgs.add(modulePath.toString());
 225                 }
 226
 227                 // sources
 228                 for (String bundle : bundles) {
 229                         StringBuilder sb = new StringBuilder();
 230                         Path bundlePath = execDirectory.resolve(bundle);
 231                         if (!Files.exists(bundlePath)) {
 232                                 if (bundles.size() == 1) {
 233                                         logger.log(WARNING, "Bundle " + bundle + " not found in " + execDirectory
 234                                                         + ", assuming this is this directory, as only one bundle was requested.");
 235                                         bundlePath = execDirectory;
 236                                 } else
 237                                         throw new IllegalArgumentException("Bundle " + bundle + " not found in " + execDirectory);
 238                         }
 239                         sb.append(bundlePath.resolve("src"));
 240                         sb.append("[-d");
 241                         compilerArgs.add(sb.toString());
 242                         sb = new StringBuilder();
 243                         sb.append(buildBase.resolve(bundle).resolve("bin"));
 244                         sb.append("]");
 245                         compilerArgs.add(sb.toString());
 246                 }
 247
 248                 if (logger.isLoggable(INFO))
 249                         compilerArgs.add("-time");
 250
 251                 if (logger.isLoggable(DEBUG)) {
 252                         logger.log(DEBUG, "Compiler arguments:");
 253                         for (String arg : compilerArgs)
 254                                 logger.log(DEBUG, arg);
 255                 }
 256
 257                 boolean success = org.eclipse.jdt.core.compiler.batch.BatchCompiler.compile(
 258                                 compilerArgs.toArray(new String[compilerArgs.size()]), new PrintWriter(System.out),
 259                                 new PrintWriter(System.err), new MakeCompilationProgress());
 260                 if (!success) // kill the process if compilation failed
 261                         throw new IllegalStateException("Compilation failed");
 262         }
 263
 264         /** Package the bundles. */
 265         void bundle(Map<String, List<String>> options) throws IOException {
 266                 // check arguments
 267                 List<String> bundles = options.get("--bundles");
 268                 Objects.requireNonNull(bundles, "--bundles argument must be set");
 269                 if (bundles.isEmpty())
 270                         return;
 271
 272                 List<String> categories = options.get("--category");
 273                 Objects.requireNonNull(categories, "--category argument must be set");
 274                 if (categories.size() != 1)
 275                         throw new IllegalArgumentException("One and only one --category must be specified");
 276                 String category = categories.get(0);
 277
 278                 final String branch;
 279                 Path branchMk = sdkSrcBase.resolve(BRANCH_MK);
 280                 if (Files.exists(branchMk)) {
 281                         Map<String, String> branchVariables = readMakefileVariables(branchMk);
 282                         branch = branchVariables.get(VAR_BRANCH);
 283                 } else {
 284                         branch = null;
 285                 }
 286
 287                 long begin = System.currentTimeMillis();
 288                 // create jars in parallel
 289                 List<CompletableFuture<Void>> toDos = new ArrayList<>();
 290                 for (String bundle : bundles) {
 291                         toDos.add(CompletableFuture.runAsync(() -> {
 292                                 try {
 293                                         createBundle(branch, bundle, category);
 294                                 } catch (IOException e) {
 295                                         throw new RuntimeException("Packaging of " + bundle + " failed", e);
 296                                 }
 297                         }));
 298                 }
 299                 CompletableFuture.allOf(toDos.toArray(new CompletableFuture[toDos.size()])).join();
 300                 long duration = System.currentTimeMillis() - begin;
 301                 logger.log(INFO, "Packaging took " + duration + " ms");
 302         }
 303
 304         /** Install the bundles. */
 305         void install(Map<String, List<String>> options) throws IOException {
 306                 // check arguments
 307                 List<String> bundles = options.get("--bundles");
 308                 Objects.requireNonNull(bundles, "--bundles argument must be set");
 309                 if (bundles.isEmpty())
 310                         return;
 311
 312                 List<String> categories = options.get("--category");
 313                 Objects.requireNonNull(categories, "--category argument must be set");
 314                 if (categories.size() != 1)
 315                         throw new IllegalArgumentException("One and only one --category must be specified");
 316                 String category = categories.get(0);
 317
 318                 List<String> targetDirs = options.get("--target");
 319                 Objects.requireNonNull(targetDirs, "--target argument must be set");
 320                 if (targetDirs.size() != 1)
 321                         throw new IllegalArgumentException("One and only one --target must be specified");
 322                 Path targetA2 = Paths.get(targetDirs.get(0));
 323
 324                 final String branch;
 325                 Path branchMk = sdkSrcBase.resolve(BRANCH_MK);
 326                 if (Files.exists(branchMk)) {
 327                         Map<String, String> branchVariables = readMakefileVariables(branchMk);
 328                         branch = branchVariables.get(VAR_BRANCH);
 329                 } else {
 330                         throw new IllegalArgumentException(VAR_BRANCH + " variable must be set.");
 331                 }
 332
 333                 Properties properties = new Properties();
 334                 Path branchBnd = sdkSrcBase.resolve("sdk/branches/" + branch + ".bnd");
 335                 if (Files.exists(branchBnd))
 336                         try (InputStream in = Files.newInputStream(branchBnd)) {
 337                                 properties.load(in);
 338                         }
 339                 String major = properties.getProperty("major");
 340                 Objects.requireNonNull(major, "'major' must be set");
 341                 String minor = properties.getProperty("minor");
 342                 Objects.requireNonNull(minor, "'minor' must be set");
 343
 344                 for (String bundle : bundles) {
 345                         Path bundlePath = Paths.get(bundle);
 346                         Path bundleParent = bundlePath.getParent();
 347                         Path a2JarDirectory = bundleParent != null ? a2Output.resolve(bundleParent).resolve(category)
 348                                         : a2Output.resolve(category);
 349                         Path jarP = a2JarDirectory.resolve(bundlePath.getFileName() + "." + major + "." + minor + ".jar");
 350
 351                         Path targetJarP = targetA2.resolve(a2JarDirectory.relativize(jarP));
 352                         Files.createDirectories(targetJarP.getParent());
 353                         Files.copy(jarP, targetJarP);
 354                 }
 355         }
 356
 357         /** Package a single bundle. */
 358         void createBundle(String branch, String bundle, String category) throws IOException {
 359                 final Path source;
 360                 if (!Files.exists(execDirectory.resolve(bundle))) {
 361                         logger.log(WARNING,
 362                                         "Bundle " + bundle + " not found in " + execDirectory + ", assuming this is this directory.");
 363                         source = execDirectory;
 364                 } else {
 365                         source = execDirectory.resolve(bundle);
 366                 }
 367                 Path srcP = source.resolve("src");
 368
 369                 Path compiled = buildBase.resolve(bundle);
 370                 String bundleSymbolicName = source.getFileName().toString();
 371
 372                 // Metadata
 373                 Properties properties = new Properties();
 374                 Path argeoBnd = argeoBuildBase.resolve("argeo.bnd");
 375                 try (InputStream in = Files.newInputStream(argeoBnd)) {
 376                         properties.load(in);
 377                 }
 378
 379                 if (branch != null) {
 380                         Path branchBnd = sdkSrcBase.resolve("sdk/branches/" + branch + ".bnd");
 381                         if (Files.exists(branchBnd))
 382                                 try (InputStream in = Files.newInputStream(branchBnd)) {
 383                                         properties.load(in);
 384                                 }
 385                 }
 386
 387                 Path bndBnd = source.resolve("bnd.bnd");
 388                 if (Files.exists(bndBnd))
 389                         try (InputStream in = Files.newInputStream(bndBnd)) {
 390                                 properties.load(in);
 391                         }
 392
 393                 // Normalise
 394                 if (!properties.containsKey("Bundle-SymbolicName"))
 395                         properties.put("Bundle-SymbolicName", bundleSymbolicName);
 396
 397                 // Calculate MANIFEST
 398                 Path binP = compiled.resolve("bin");
 399                 if (!Files.exists(binP))
 400                         Files.createDirectories(binP);
 401                 Manifest manifest;
 402                 try (Analyzer bndAnalyzer = new Analyzer()) {
 403                         bndAnalyzer.setProperties(properties);
 404                         Jar jar = new Jar(bundleSymbolicName, binP.toFile());
 405                         bndAnalyzer.setJar(jar);
 406                         manifest = bndAnalyzer.calcManifest();
 407                 } catch (Exception e) {
 408                         throw new RuntimeException("Bnd analysis of " + compiled + " failed", e);
 409                 }
 410
 411                 String major = properties.getProperty("major");
 412                 Objects.requireNonNull(major, "'major' must be set");
 413                 String minor = properties.getProperty("minor");
 414                 Objects.requireNonNull(minor, "'minor' must be set");
 415
 416                 // Write manifest
 417                 Path manifestP = compiled.resolve("META-INF/MANIFEST.MF");
 418                 Files.createDirectories(manifestP.getParent());
 419                 try (OutputStream out = Files.newOutputStream(manifestP)) {
 420                         manifest.write(out);
 421                 }
 422
 423                 // Load excludes
 424                 List<PathMatcher> excludes = new ArrayList<>();
 425                 Path excludesP = argeoBuildBase.resolve("excludes.txt");
 426                 for (String line : Files.readAllLines(excludesP)) {
 427                         PathMatcher pathMatcher = excludesP.getFileSystem().getPathMatcher("glob:" + line);
 428                         excludes.add(pathMatcher);
 429                 }
 430
 431                 Path bundleParent = Paths.get(bundle).getParent();
 432                 Path a2JarDirectory = bundleParent != null ? a2Output.resolve(bundleParent).resolve(category)
 433                                 : a2Output.resolve(category);
 434                 Path jarP = a2JarDirectory.resolve(compiled.getFileName() + "." + major + "." + minor + ".jar");
 435                 Files.createDirectories(jarP.getParent());
 436
 437                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarP), manifest)) {
 438                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
 439                         // add all classes first
 440                         Files.walkFileTree(binP, new SimpleFileVisitor<Path>() {
 441                                 @Override
 442                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 443                                         jarOut.putNextEntry(new JarEntry(binP.relativize(file).toString()));
 444                                         Files.copy(file, jarOut);
 445                                         return FileVisitResult.CONTINUE;
 446                                 }
 447                         });
 448
 449                         // add resources
 450                         Files.walkFileTree(source, new SimpleFileVisitor<Path>() {
 451                                 @Override
 452                                 public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
 453                                         // skip output directory if it happens to be within the sources
 454                                         if (Files.isSameFile(sdkBuildBase, dir))
 455                                                 return FileVisitResult.SKIP_SUBTREE;
 456
 457                                         // skip excluded patterns
 458                                         Path relativeP = source.relativize(dir);
 459                                         for (PathMatcher exclude : excludes)
 460                                                 if (exclude.matches(relativeP))
 461                                                         return FileVisitResult.SKIP_SUBTREE;
 462
 463                                         return FileVisitResult.CONTINUE;
 464                                 }
 465
 466                                 @Override
 467                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 468                                         Path relativeP = source.relativize(file);
 469                                         for (PathMatcher exclude : excludes)
 470                                                 if (exclude.matches(relativeP))
 471                                                         return FileVisitResult.CONTINUE;
 472                                         JarEntry entry = new JarEntry(relativeP.toString());
 473                                         jarOut.putNextEntry(entry);
 474                                         Files.copy(file, jarOut);
 475                                         return FileVisitResult.CONTINUE;
 476                                 }
 477                         });
 478
 479                         // Add all resources from src/
 480                         Files.walkFileTree(srcP, new SimpleFileVisitor<Path>() {
 481                                 @Override
 482                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 483                                         if (file.getFileName().toString().endsWith(".java")
 484                                                         || file.getFileName().toString().endsWith(".class"))
 485                                                 return FileVisitResult.CONTINUE;
 486                                         jarOut.putNextEntry(new JarEntry(srcP.relativize(file).toString()));
 487                                         if (!Files.isDirectory(file))
 488                                                 Files.copy(file, jarOut);
 489                                         return FileVisitResult.CONTINUE;
 490                                 }
 491                         });
 492
 493                         // add legal notices and licenses
 494                         for (Path p : listLegalFilesToInclude(source).values()) {
 495                                 jarOut.putNextEntry(new JarEntry(p.getFileName().toString()));
 496                                 Files.copy(p, jarOut);
 497                         }
 498
 499                         // add sources
 500                         // TODO add effective BND, Eclipse project file, etc., in order to be able to
 501                         // repackage
 502                         if (!sourceBundles) {
 503                                 copySourcesToJar(srcP, jarOut, "OSGI-OPT/src/");
 504                         }
 505                 }
 506
 507                 if (sourceBundles) {// create separate sources jar
 508                         Path a2srcJarDirectory = bundleParent != null ? a2srcOutput.resolve(bundleParent).resolve(category)
 509                                         : a2srcOutput.resolve(category);
 510                         Files.createDirectories(a2srcJarDirectory);
 511                         Path srcJarP = a2srcJarDirectory.resolve(compiled.getFileName() + "." + major + "." + minor + ".src.jar");
 512                         Manifest srcManifest = new Manifest();
 513                         srcManifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
 514                         srcManifest.getMainAttributes().putValue("Bundle-SymbolicName", bundleSymbolicName + ".src");
 515                         srcManifest.getMainAttributes().putValue("Bundle-Version",
 516                                         manifest.getMainAttributes().getValue("Bundle-Version").toString());
 517                         srcManifest.getMainAttributes().putValue("Eclipse-SourceBundle",
 518                                         bundleSymbolicName + ";version=\"" + manifest.getMainAttributes().getValue("Bundle-Version"));
 519
 520                         try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
 521                                 copySourcesToJar(srcP, srcJarOut, "");
 522                                 // add legal notices and licenses
 523                                 for (Path p : listLegalFilesToInclude(source).values()) {
 524                                         srcJarOut.putNextEntry(new JarEntry(p.getFileName().toString()));
 525                                         Files.copy(p, srcJarOut);
 526                                 }
 527                         }
 528                 }
 529         }
 530
 531         /** List the relevant legal files to include, from the SDK source base. */
 532         Map<String, Path> listLegalFilesToInclude(Path bundleBase) throws IOException {
 533                 Map<String, Path> toInclude = new HashMap<>();
 534                 if (!noSdkLegal) {
 535                         DirectoryStream<Path> sdkSrcLegal = Files.newDirectoryStream(sdkSrcBase, (p) -> {
 536                                 String fileName = p.getFileName().toString();
 537                                 return switch (fileName) {
 538                                 case "NOTICE":
 539                                 case "LICENSE":
 540                                 case "COPYING":
 541                                 case "COPYING.LESSER":
 542                                         yield true;
 543                                 default:
 544                                         yield false;
 545                                 };
 546                         });
 547                         for (Path p : sdkSrcLegal)
 548                                 toInclude.put(p.getFileName().toString(), p);
 549                 }
 550                 for (Iterator<Map.Entry<String, Path>> entries = toInclude.entrySet().iterator(); entries.hasNext();) {
 551                         Map.Entry<String, Path> entry = entries.next();
 552                         Path inBundle = bundleBase.resolve(entry.getValue().getFileName());
 553                         // remove file if it is also defined at bundle level
 554                         // since it has already been copied
 555                         // and has priority
 556                         if (Files.exists(inBundle))
 557                                 entries.remove();
 558                 }
 559                 return toInclude;
 560         }
 561
 562         /*
 563          * UTILITIES
 564          */
 565         /** Add sources to a jar file */
 566         void copySourcesToJar(Path srcP, JarOutputStream srcJarOut, String prefix) throws IOException {
 567                 Files.walkFileTree(srcP, new SimpleFileVisitor<Path>() {
 568                         @Override
 569                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 570                                 srcJarOut.putNextEntry(new JarEntry(prefix + srcP.relativize(file).toString()));
 571                                 if (!Files.isDirectory(file))
 572                                         Files.copy(file, srcJarOut);
 573                                 return FileVisitResult.CONTINUE;
 574                         }
 575                 });
 576         }
 577
 578         /**
 579          * Recursively find the base source directory (which contains the
 580          * <code>{@value #SDK_MK}</code> file).
 581          */
 582         Path findSdkMk(Path directory) {
 583                 Path sdkMkP = directory.resolve(SDK_MK);
 584                 if (Files.exists(sdkMkP)) {
 585                         return sdkMkP.toAbsolutePath();
 586                 }
 587                 if (directory.getParent() == null)
 588                         return null;
 589                 return findSdkMk(directory.getParent());
 590         }
 591
 592         /**
 593          * Reads Makefile variable assignments of the form =, :=, or ?=, ignoring white
 594          * spaces. To be used with very simple included Makefiles only.
 595          */
 596         Map<String, String> readMakefileVariables(Path path) throws IOException {
 597                 Map<String, String> context = new HashMap<>();
 598                 List<String> sdkMkLines = Files.readAllLines(path);
 599                 lines: for (String line : sdkMkLines) {
 600                         StringTokenizer st = new StringTokenizer(line, " :=?");
 601                         if (!st.hasMoreTokens())
 602                                 continue lines;
 603                         String key = st.nextToken();
 604                         if (!st.hasMoreTokens())
 605                                 continue lines;
 606                         String value = st.nextToken();
 607                         if (st.hasMoreTokens()) // probably not a simple variable assignment
 608                                 continue lines;
 609                         context.put(key, value);
 610                 }
 611                 return context;
 612         }
 613
 614         /** Main entry point, interpreting actions and arguments. */
 615         public static void main(String... args) {
 616                 if (args.length == 0)
 617                         throw new IllegalArgumentException("At least an action must be provided");
 618                 int actionIndex = 0;
 619                 String action = args[actionIndex];
 620                 if (args.length > actionIndex + 1 && !args[actionIndex + 1].startsWith("-"))
 621                         throw new IllegalArgumentException(
 622                                         "Action " + action + " must be followed by an option: " + Arrays.asList(args));
 623
 624                 Map<String, List<String>> options = new HashMap<>();
 625                 String currentOption = null;
 626                 for (int i = actionIndex + 1; i < args.length; i++) {
 627                         if (args[i].startsWith("-")) {
 628                                 currentOption = args[i];
 629                                 if (!options.containsKey(currentOption))
 630                                         options.put(currentOption, new ArrayList<>());
 631
 632                         } else {
 633                                 options.get(currentOption).add(args[i]);
 634                         }
 635                 }
 636
 637                 try {
 638                         Make argeoMake = new Make();
 639                         switch (action) {
 640                         case "compile" -> argeoMake.compile(options);
 641                         case "bundle" -> argeoMake.bundle(options);
 642                         case "all" -> argeoMake.all(options);
 643                         case "install" -> argeoMake.install(options);
 644
 645                         default -> throw new IllegalArgumentException("Unkown action: " + action);
 646                         }
 647
 648                         long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 649                         logger.log(INFO, "Make.java action '" + action + "' succesfully completed after " + (jvmUptime / 1000) + "."
 650                                         + (jvmUptime % 1000) + " s");
 651                 } catch (Exception e) {
 652                         long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 653                         logger.log(ERROR, "Make.java action '" + action + "' failed after " + (jvmUptime / 1000) + "."
 654                                         + (jvmUptime % 1000) + " s", e);
 655                         System.exit(1);
 656                 }
 657         }
 658
 659         /** A jar file in A2 format */
 660         static class A2Jar {
 661                 final Path path;
 662                 final String name;
 663                 final int major;
 664                 final int minor;
 665
 666                 A2Jar(Path path) {
 667                         try {
 668                                 this.path = path;
 669                                 String fileName = path.getFileName().toString();
 670                                 fileName = fileName.substring(0, fileName.lastIndexOf('.'));
 671                                 minor = Integer.parseInt(fileName.substring(fileName.lastIndexOf('.') + 1));
 672                                 fileName = fileName.substring(0, fileName.lastIndexOf('.'));
 673                                 major = Integer.parseInt(fileName.substring(fileName.lastIndexOf('.') + 1));
 674                                 name = fileName.substring(0, fileName.lastIndexOf('.'));
 675                         } catch (Exception e) {
 676                                 throw new IllegalArgumentException("Badly formatted A2 jar " + path, e);
 677                         }
 678                 }
 679         }
 680
 681         /**
 682          * An ECJ {@link CompilationProgress} printing a progress bar while compiling.
 683          */
 684         static class MakeCompilationProgress extends CompilationProgress {
 685                 private int totalWork;
 686                 private long currentChunk = 0;
 687                 private long chunksCount = 80;
 688
 689                 @Override
 690                 public void worked(int workIncrement, int remainingWork) {
 691                         if (!logger.isLoggable(Level.INFO)) // progress bar only at INFO level
 692                                 return;
 693                         long chunk = ((totalWork - remainingWork) * chunksCount) / totalWork;
 694                         if (chunk != currentChunk) {
 695                                 currentChunk = chunk;
 696                                 for (long i = 0; i < currentChunk; i++) {
 697                                         System.out.print("#");
 698                                 }
 699                                 for (long i = currentChunk; i < chunksCount; i++) {
 700                                         System.out.print("-");
 701                                 }
 702                                 System.out.print("\r");
 703                         }
 704                         if (remainingWork == 0)
 705                                 System.out.print("\n");
 706                 }
 707
 708                 @Override
 709                 public void setTaskName(String name) {
 710                 }
 711
 712                 @Override
 713                 public boolean isCanceled() {
 714                         return false;
 715                 }
 716
 717                 @Override
 718                 public void done() {
 719                 }
 720
 721                 @Override
 722                 public void begin(int remainingWork) {
 723                         this.totalWork = remainingWork;
 724                 }
 725         }
 726 }