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                 logger.log(INFO, "Intsalling to " + targetA2 + " ms");
 324
 325                 final String branch;
 326                 Path branchMk = sdkSrcBase.resolve(BRANCH_MK);
 327                 if (Files.exists(branchMk)) {
 328                         Map<String, String> branchVariables = readMakefileVariables(branchMk);
 329                         branch = branchVariables.get(VAR_BRANCH);
 330                 } else {
 331                         throw new IllegalArgumentException(VAR_BRANCH + " variable must be set.");
 332                 }
 333
 334                 Properties properties = new Properties();
 335                 Path branchBnd = sdkSrcBase.resolve("sdk/branches/" + branch + ".bnd");
 336                 if (Files.exists(branchBnd))
 337                         try (InputStream in = Files.newInputStream(branchBnd)) {
 338                                 properties.load(in);
 339                         }
 340                 String major = properties.getProperty("major");
 341                 Objects.requireNonNull(major, "'major' must be set");
 342                 String minor = properties.getProperty("minor");
 343                 Objects.requireNonNull(minor, "'minor' must be set");
 344
 345                 for (String bundle : bundles) {
 346                         Path bundlePath = Paths.get(bundle);
 347                         Path bundleParent = bundlePath.getParent();
 348                         Path a2JarDirectory = bundleParent != null ? a2Output.resolve(bundleParent).resolve(category)
 349                                         : a2Output.resolve(category);
 350                         Path jarP = a2JarDirectory.resolve(bundlePath.getFileName() + "." + major + "." + minor + ".jar");
 351
 352                         Path targetJarP = targetA2.resolve(a2JarDirectory.relativize(jarP));
 353                         Files.createDirectories(targetJarP.getParent());
 354                         Files.copy(jarP, targetJarP);
 355                 }
 356         }
 357
 358         /** Package a single bundle. */
 359         void createBundle(String branch, String bundle, String category) throws IOException {
 360                 final Path source;
 361                 if (!Files.exists(execDirectory.resolve(bundle))) {
 362                         logger.log(WARNING,
 363                                         "Bundle " + bundle + " not found in " + execDirectory + ", assuming this is this directory.");
 364                         source = execDirectory;
 365                 } else {
 366                         source = execDirectory.resolve(bundle);
 367                 }
 368                 Path srcP = source.resolve("src");
 369
 370                 Path compiled = buildBase.resolve(bundle);
 371                 String bundleSymbolicName = source.getFileName().toString();
 372
 373                 // Metadata
 374                 Properties properties = new Properties();
 375                 Path argeoBnd = argeoBuildBase.resolve("argeo.bnd");
 376                 try (InputStream in = Files.newInputStream(argeoBnd)) {
 377                         properties.load(in);
 378                 }
 379
 380                 if (branch != null) {
 381                         Path branchBnd = sdkSrcBase.resolve("sdk/branches/" + branch + ".bnd");
 382                         if (Files.exists(branchBnd))
 383                                 try (InputStream in = Files.newInputStream(branchBnd)) {
 384                                         properties.load(in);
 385                                 }
 386                 }
 387
 388                 Path bndBnd = source.resolve("bnd.bnd");
 389                 if (Files.exists(bndBnd))
 390                         try (InputStream in = Files.newInputStream(bndBnd)) {
 391                                 properties.load(in);
 392                         }
 393
 394                 // Normalise
 395                 if (!properties.containsKey("Bundle-SymbolicName"))
 396                         properties.put("Bundle-SymbolicName", bundleSymbolicName);
 397
 398                 // Calculate MANIFEST
 399                 Path binP = compiled.resolve("bin");
 400                 if (!Files.exists(binP))
 401                         Files.createDirectories(binP);
 402                 Manifest manifest;
 403                 try (Analyzer bndAnalyzer = new Analyzer()) {
 404                         bndAnalyzer.setProperties(properties);
 405                         Jar jar = new Jar(bundleSymbolicName, binP.toFile());
 406                         bndAnalyzer.setJar(jar);
 407                         manifest = bndAnalyzer.calcManifest();
 408                 } catch (Exception e) {
 409                         throw new RuntimeException("Bnd analysis of " + compiled + " failed", e);
 410                 }
 411
 412                 String major = properties.getProperty("major");
 413                 Objects.requireNonNull(major, "'major' must be set");
 414                 String minor = properties.getProperty("minor");
 415                 Objects.requireNonNull(minor, "'minor' must be set");
 416
 417                 // Write manifest
 418                 Path manifestP = compiled.resolve("META-INF/MANIFEST.MF");
 419                 Files.createDirectories(manifestP.getParent());
 420                 try (OutputStream out = Files.newOutputStream(manifestP)) {
 421                         manifest.write(out);
 422                 }
 423
 424                 // Load excludes
 425                 List<PathMatcher> excludes = new ArrayList<>();
 426                 Path excludesP = argeoBuildBase.resolve("excludes.txt");
 427                 for (String line : Files.readAllLines(excludesP)) {
 428                         PathMatcher pathMatcher = excludesP.getFileSystem().getPathMatcher("glob:" + line);
 429                         excludes.add(pathMatcher);
 430                 }
 431
 432                 Path bundleParent = Paths.get(bundle).getParent();
 433                 Path a2JarDirectory = bundleParent != null ? a2Output.resolve(bundleParent).resolve(category)
 434                                 : a2Output.resolve(category);
 435                 Path jarP = a2JarDirectory.resolve(compiled.getFileName() + "." + major + "." + minor + ".jar");
 436                 Files.createDirectories(jarP.getParent());
 437
 438                 try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarP), manifest)) {
 439                         jarOut.setLevel(Deflater.DEFAULT_COMPRESSION);
 440                         // add all classes first
 441                         Files.walkFileTree(binP, new SimpleFileVisitor<Path>() {
 442                                 @Override
 443                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 444                                         jarOut.putNextEntry(new JarEntry(binP.relativize(file).toString()));
 445                                         Files.copy(file, jarOut);
 446                                         return FileVisitResult.CONTINUE;
 447                                 }
 448                         });
 449
 450                         // add resources
 451                         Files.walkFileTree(source, new SimpleFileVisitor<Path>() {
 452                                 @Override
 453                                 public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
 454                                         // skip output directory if it happens to be within the sources
 455                                         if (Files.isSameFile(sdkBuildBase, dir))
 456                                                 return FileVisitResult.SKIP_SUBTREE;
 457
 458                                         // skip excluded patterns
 459                                         Path relativeP = source.relativize(dir);
 460                                         for (PathMatcher exclude : excludes)
 461                                                 if (exclude.matches(relativeP))
 462                                                         return FileVisitResult.SKIP_SUBTREE;
 463
 464                                         return FileVisitResult.CONTINUE;
 465                                 }
 466
 467                                 @Override
 468                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 469                                         Path relativeP = source.relativize(file);
 470                                         for (PathMatcher exclude : excludes)
 471                                                 if (exclude.matches(relativeP))
 472                                                         return FileVisitResult.CONTINUE;
 473                                         JarEntry entry = new JarEntry(relativeP.toString());
 474                                         jarOut.putNextEntry(entry);
 475                                         Files.copy(file, jarOut);
 476                                         return FileVisitResult.CONTINUE;
 477                                 }
 478                         });
 479
 480                         // Add all resources from src/
 481                         Files.walkFileTree(srcP, new SimpleFileVisitor<Path>() {
 482                                 @Override
 483                                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 484                                         if (file.getFileName().toString().endsWith(".java")
 485                                                         || file.getFileName().toString().endsWith(".class"))
 486                                                 return FileVisitResult.CONTINUE;
 487                                         jarOut.putNextEntry(new JarEntry(srcP.relativize(file).toString()));
 488                                         if (!Files.isDirectory(file))
 489                                                 Files.copy(file, jarOut);
 490                                         return FileVisitResult.CONTINUE;
 491                                 }
 492                         });
 493
 494                         // add legal notices and licenses
 495                         for (Path p : listLegalFilesToInclude(source).values()) {
 496                                 jarOut.putNextEntry(new JarEntry(p.getFileName().toString()));
 497                                 Files.copy(p, jarOut);
 498                         }
 499
 500                         // add sources
 501                         // TODO add effective BND, Eclipse project file, etc., in order to be able to
 502                         // repackage
 503                         if (!sourceBundles) {
 504                                 copySourcesToJar(srcP, jarOut, "OSGI-OPT/src/");
 505                         }
 506                 }
 507
 508                 if (sourceBundles) {// create separate sources jar
 509                         Path a2srcJarDirectory = bundleParent != null ? a2srcOutput.resolve(bundleParent).resolve(category)
 510                                         : a2srcOutput.resolve(category);
 511                         Files.createDirectories(a2srcJarDirectory);
 512                         Path srcJarP = a2srcJarDirectory.resolve(compiled.getFileName() + "." + major + "." + minor + ".src.jar");
 513                         Manifest srcManifest = new Manifest();
 514                         srcManifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
 515                         srcManifest.getMainAttributes().putValue("Bundle-SymbolicName", bundleSymbolicName + ".src");
 516                         srcManifest.getMainAttributes().putValue("Bundle-Version",
 517                                         manifest.getMainAttributes().getValue("Bundle-Version").toString());
 518                         srcManifest.getMainAttributes().putValue("Eclipse-SourceBundle",
 519                                         bundleSymbolicName + ";version=\"" + manifest.getMainAttributes().getValue("Bundle-Version"));
 520
 521                         try (JarOutputStream srcJarOut = new JarOutputStream(Files.newOutputStream(srcJarP), srcManifest)) {
 522                                 copySourcesToJar(srcP, srcJarOut, "");
 523                                 // add legal notices and licenses
 524                                 for (Path p : listLegalFilesToInclude(source).values()) {
 525                                         srcJarOut.putNextEntry(new JarEntry(p.getFileName().toString()));
 526                                         Files.copy(p, srcJarOut);
 527                                 }
 528                         }
 529                 }
 530         }
 531
 532         /** List the relevant legal files to include, from the SDK source base. */
 533         Map<String, Path> listLegalFilesToInclude(Path bundleBase) throws IOException {
 534                 Map<String, Path> toInclude = new HashMap<>();
 535                 if (!noSdkLegal) {
 536                         DirectoryStream<Path> sdkSrcLegal = Files.newDirectoryStream(sdkSrcBase, (p) -> {
 537                                 String fileName = p.getFileName().toString();
 538                                 return switch (fileName) {
 539                                 case "NOTICE":
 540                                 case "LICENSE":
 541                                 case "COPYING":
 542                                 case "COPYING.LESSER":
 543                                         yield true;
 544                                 default:
 545                                         yield false;
 546                                 };
 547                         });
 548                         for (Path p : sdkSrcLegal)
 549                                 toInclude.put(p.getFileName().toString(), p);
 550                 }
 551                 for (Iterator<Map.Entry<String, Path>> entries = toInclude.entrySet().iterator(); entries.hasNext();) {
 552                         Map.Entry<String, Path> entry = entries.next();
 553                         Path inBundle = bundleBase.resolve(entry.getValue().getFileName());
 554                         // remove file if it is also defined at bundle level
 555                         // since it has already been copied
 556                         // and has priority
 557                         if (Files.exists(inBundle))
 558                                 entries.remove();
 559                 }
 560                 return toInclude;
 561         }
 562
 563         /*
 564          * UTILITIES
 565          */
 566         /** Add sources to a jar file */
 567         void copySourcesToJar(Path srcP, JarOutputStream srcJarOut, String prefix) throws IOException {
 568                 Files.walkFileTree(srcP, new SimpleFileVisitor<Path>() {
 569                         @Override
 570                         public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 571                                 srcJarOut.putNextEntry(new JarEntry(prefix + srcP.relativize(file).toString()));
 572                                 if (!Files.isDirectory(file))
 573                                         Files.copy(file, srcJarOut);
 574                                 return FileVisitResult.CONTINUE;
 575                         }
 576                 });
 577         }
 578
 579         /**
 580          * Recursively find the base source directory (which contains the
 581          * <code>{@value #SDK_MK}</code> file).
 582          */
 583         Path findSdkMk(Path directory) {
 584                 Path sdkMkP = directory.resolve(SDK_MK);
 585                 if (Files.exists(sdkMkP)) {
 586                         return sdkMkP.toAbsolutePath();
 587                 }
 588                 if (directory.getParent() == null)
 589                         return null;
 590                 return findSdkMk(directory.getParent());
 591         }
 592
 593         /**
 594          * Reads Makefile variable assignments of the form =, :=, or ?=, ignoring white
 595          * spaces. To be used with very simple included Makefiles only.
 596          */
 597         Map<String, String> readMakefileVariables(Path path) throws IOException {
 598                 Map<String, String> context = new HashMap<>();
 599                 List<String> sdkMkLines = Files.readAllLines(path);
 600                 lines: for (String line : sdkMkLines) {
 601                         StringTokenizer st = new StringTokenizer(line, " :=?");
 602                         if (!st.hasMoreTokens())
 603                                 continue lines;
 604                         String key = st.nextToken();
 605                         if (!st.hasMoreTokens())
 606                                 continue lines;
 607                         String value = st.nextToken();
 608                         if (st.hasMoreTokens()) // probably not a simple variable assignment
 609                                 continue lines;
 610                         context.put(key, value);
 611                 }
 612                 return context;
 613         }
 614
 615         /** Main entry point, interpreting actions and arguments. */
 616         public static void main(String... args) {
 617                 if (args.length == 0)
 618                         throw new IllegalArgumentException("At least an action must be provided");
 619                 int actionIndex = 0;
 620                 String action = args[actionIndex];
 621                 if (args.length > actionIndex + 1 && !args[actionIndex + 1].startsWith("-"))
 622                         throw new IllegalArgumentException(
 623                                         "Action " + action + " must be followed by an option: " + Arrays.asList(args));
 624
 625                 Map<String, List<String>> options = new HashMap<>();
 626                 String currentOption = null;
 627                 for (int i = actionIndex + 1; i < args.length; i++) {
 628                         if (args[i].startsWith("-")) {
 629                                 currentOption = args[i];
 630                                 if (!options.containsKey(currentOption))
 631                                         options.put(currentOption, new ArrayList<>());
 632
 633                         } else {
 634                                 options.get(currentOption).add(args[i]);
 635                         }
 636                 }
 637
 638                 try {
 639                         Make argeoMake = new Make();
 640                         switch (action) {
 641                         case "compile" -> argeoMake.compile(options);
 642                         case "bundle" -> argeoMake.bundle(options);
 643                         case "all" -> argeoMake.all(options);
 644                         case "install" -> argeoMake.install(options);
 645
 646                         default -> throw new IllegalArgumentException("Unkown action: " + action);
 647                         }
 648
 649                         long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 650                         logger.log(INFO, "Make.java action '" + action + "' succesfully completed after " + (jvmUptime / 1000) + "."
 651                                         + (jvmUptime % 1000) + " s");
 652                 } catch (Exception e) {
 653                         long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 654                         logger.log(ERROR, "Make.java action '" + action + "' failed after " + (jvmUptime / 1000) + "."
 655                                         + (jvmUptime % 1000) + " s", e);
 656                         System.exit(1);
 657                 }
 658         }
 659
 660         /** A jar file in A2 format */
 661         static class A2Jar {
 662                 final Path path;
 663                 final String name;
 664                 final int major;
 665                 final int minor;
 666
 667                 A2Jar(Path path) {
 668                         try {
 669                                 this.path = path;
 670                                 String fileName = path.getFileName().toString();
 671                                 fileName = fileName.substring(0, fileName.lastIndexOf('.'));
 672                                 minor = Integer.parseInt(fileName.substring(fileName.lastIndexOf('.') + 1));
 673                                 fileName = fileName.substring(0, fileName.lastIndexOf('.'));
 674                                 major = Integer.parseInt(fileName.substring(fileName.lastIndexOf('.') + 1));
 675                                 name = fileName.substring(0, fileName.lastIndexOf('.'));
 676                         } catch (Exception e) {
 677                                 throw new IllegalArgumentException("Badly formatted A2 jar " + path, e);
 678                         }
 679                 }
 680         }
 681
 682         /**
 683          * An ECJ {@link CompilationProgress} printing a progress bar while compiling.
 684          */
 685         static class MakeCompilationProgress extends CompilationProgress {
 686                 private int totalWork;
 687                 private long currentChunk = 0;
 688                 private long chunksCount = 80;
 689
 690                 @Override
 691                 public void worked(int workIncrement, int remainingWork) {
 692                         if (!logger.isLoggable(Level.INFO)) // progress bar only at INFO level
 693                                 return;
 694                         long chunk = ((totalWork - remainingWork) * chunksCount) / totalWork;
 695                         if (chunk != currentChunk) {
 696                                 currentChunk = chunk;
 697                                 for (long i = 0; i < currentChunk; i++) {
 698                                         System.out.print("#");
 699                                 }
 700                                 for (long i = currentChunk; i < chunksCount; i++) {
 701                                         System.out.print("-");
 702                                 }
 703                                 System.out.print("\r");
 704                         }
 705                         if (remainingWork == 0)
 706                                 System.out.print("\n");
 707                 }
 708
 709                 @Override
 710                 public void setTaskName(String name) {
 711                 }
 712
 713                 @Override
 714                 public boolean isCanceled() {
 715                         return false;
 716                 }
 717
 718                 @Override
 719                 public void done() {
 720                 }
 721
 722                 @Override
 723                 public void begin(int remainingWork) {
 724                         this.totalWork = remainingWork;
 725                 }
 726         }
 727 }