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10 package org.eclipse.jgit.pgm;
11
12 import static java.nio.charset.StandardCharsets.UTF_8;
13 import static org.junit.Assert.assertArrayEquals;
14 import static org.junit.Assert.assertEquals;
15 import static org.junit.Assert.fail;
16 import static org.junit.Assume.assumeNoException;
17
18 import java.io.BufferedInputStream;
19 import java.io.BufferedReader;
20 import java.io.ByteArrayInputStream;
21 import java.io.File;
22 import java.io.FileInputStream;
23 import java.io.FileOutputStream;
24 import java.io.IOException;
25 import java.io.InputStreamReader;
26 import java.io.OutputStream;
27 import java.util.ArrayList;
28 import java.util.Arrays;
29 import java.util.List;
30 import java.util.concurrent.ExecutorService;
31 import java.util.concurrent.Executors;
32 import java.util.concurrent.Future;
33 import java.util.zip.ZipEntry;
34 import java.util.zip.ZipInputStream;
35
36 import org.eclipse.jgit.api.Git;
37 import org.eclipse.jgit.dircache.DirCache;
38 import org.eclipse.jgit.lib.CLIRepositoryTestCase;
39 import org.eclipse.jgit.lib.FileMode;
40 import org.junit.Before;
41 import org.junit.Test;
42
43 public class ArchiveTest extends CLIRepositoryTestCase {
44 private Git git;
45 private String emptyTree;
46
47 @Override
48 @Before
49 public void setUp() throws Exception {
50 super.setUp();
51 git = new Git(db);
52 git.commit().setMessage("initial commit").call();
53 emptyTree = db.resolve("HEAD^{tree}").abbreviate(12).name();
54 }
55
56 @Test
57 public void testEmptyArchive() throws Exception {
58 byte[] result = CLIGitCommand.executeRaw(
59 "git archive --format=zip " + emptyTree, db).outBytes();
60 assertArrayEquals(new String[0], listZipEntries(result));
61 }
62
63 @Test
64 public void testEmptyTar() throws Exception {
65 byte[] result = CLIGitCommand.executeRaw(
66 "git archive --format=tar " + emptyTree, db).outBytes();
67 assertArrayEquals(new String[0], listTarEntries(result));
68 }
69
70 @Test
71 public void testUnrecognizedFormat() throws Exception {
72 String[] expect = new String[] {
73 "fatal: Unknown archive format 'nonsense'", "" };
74 String[] actual = executeUnchecked(
75 "git archive --format=nonsense " + emptyTree);
76 assertArrayEquals(expect, actual);
77 }
78
79 @Test
80 public void testArchiveWithFiles() throws Exception {
81 writeTrashFile("a", "a file with content!");
82 writeTrashFile("c", "");
83 writeTrashFile("unrelated", "another file, just for kicks");
84 git.add().addFilepattern("a").call();
85 git.add().addFilepattern("c").call();
86 git.commit().setMessage("populate toplevel").call();
87
88 byte[] result = CLIGitCommand.executeRaw(
89 "git archive --format=zip HEAD", db).outBytes();
90 assertArrayEquals(new String[] { "a", "c" },
91 listZipEntries(result));
92 }
93
94 private void commitGreeting() throws Exception {
95 writeTrashFile("greeting", "hello, world!");
96 git.add().addFilepattern("greeting").call();
97 git.commit().setMessage("a commit with a file").call();
98 }
99
100 @Test
101 public void testDefaultFormatIsTar() throws Exception {
102 commitGreeting();
103 byte[] result = CLIGitCommand.executeRaw(
104 "git archive HEAD", db).outBytes();
105 assertArrayEquals(new String[] { "greeting" },
106 listTarEntries(result));
107 }
108
109 @Test
110 public void testFormatOverridesFilename() throws Exception {
111 File archive = new File(db.getWorkTree(), "format-overrides-name.tar");
112 String path = archive.getAbsolutePath();
113
114 commitGreeting();
115 assertArrayEquals(new String[] { "" },
116 execute("git archive " +
117 "--format=zip " +
118 shellQuote("--output=" + path) + " " +
119 "HEAD"));
120 assertContainsEntryWithMode(path, "", "greeting");
121 assertIsZip(archive);
122 }
123
124 @Test
125 public void testUnrecognizedExtensionMeansTar() throws Exception {
126 File archive = new File(db.getWorkTree(), "example.txt");
127 String path = archive.getAbsolutePath();
128
129 commitGreeting();
130 assertArrayEquals(new String[] { "" },
131 execute("git archive " +
132 shellQuote("--output=" + path) + " " +
133 "HEAD"));
134 assertTarContainsEntry(path, "", "greeting");
135 assertIsTar(archive);
136 }
137
138 @Test
139 public void testNoExtensionMeansTar() throws Exception {
140 File archive = new File(db.getWorkTree(), "example");
141 String path = archive.getAbsolutePath();
142
143 commitGreeting();
144 assertArrayEquals(new String[] { "" },
145 execute("git archive " +
146 shellQuote("--output=" + path) + " " +
147 "HEAD"));
148 assertIsTar(archive);
149 }
150
151 @Test
152 public void testExtensionMatchIsAnchored() throws Exception {
153 File archive = new File(db.getWorkTree(), "two-extensions.zip.bak");
154 String path = archive.getAbsolutePath();
155
156 commitGreeting();
157 assertArrayEquals(new String[] { "" },
158 execute("git archive " +
159 shellQuote("--output=" + path) + " " +
160 "HEAD"));
161 assertIsTar(archive);
162 }
163
164 @Test
165 public void testZipExtension() throws Exception {
166 File archiveWithDot = new File(db.getWorkTree(), "greeting.zip");
167 File archiveNoDot = new File(db.getWorkTree(), "greetingzip");
168
169 commitGreeting();
170 execute("git archive " +
171 shellQuote("--output=" + archiveWithDot.getAbsolutePath()) + " " +
172 "HEAD");
173 execute("git archive " +
174 shellQuote("--output=" + archiveNoDot.getAbsolutePath()) + " " +
175 "HEAD");
176 assertIsZip(archiveWithDot);
177 assertIsTar(archiveNoDot);
178 }
179
180 @Test
181 public void testTarExtension() throws Exception {
182 File archive = new File(db.getWorkTree(), "tarball.tar");
183 String path = archive.getAbsolutePath();
184
185 commitGreeting();
186 assertArrayEquals(new String[] { "" },
187 execute("git archive " +
188 shellQuote("--output=" + path) + " " +
189 "HEAD"));
190 assertIsTar(archive);
191 }
192
193 @Test
194 public void testTgzExtensions() throws Exception {
195 commitGreeting();
196
197 for (String ext : Arrays.asList("tar.gz", "tgz")) {
198 File archiveWithDot = new File(db.getWorkTree(), "tarball." + ext);
199 File archiveNoDot = new File(db.getWorkTree(), "tarball" + ext);
200
201 execute("git archive " +
202 shellQuote("--output=" + archiveWithDot.getAbsolutePath()) + " " +
203 "HEAD");
204 execute("git archive " +
205 shellQuote("--output=" + archiveNoDot.getAbsolutePath()) + " " +
206 "HEAD");
207 assertIsGzip(archiveWithDot);
208 assertIsTar(archiveNoDot);
209 }
210 }
211
212 @Test
213 public void testTbz2Extension() throws Exception {
214 commitGreeting();
215
216 for (String ext : Arrays.asList("tar.bz2", "tbz", "tbz2")) {
217 File archiveWithDot = new File(db.getWorkTree(), "tarball." + ext);
218 File archiveNoDot = new File(db.getWorkTree(), "tarball" + ext);
219
220 execute("git archive " +
221 shellQuote("--output=" + archiveWithDot.getAbsolutePath()) + " " +
222 "HEAD");
223 execute("git archive " +
224 shellQuote("--output=" + archiveNoDot.getAbsolutePath()) + " " +
225 "HEAD");
226 assertIsBzip2(archiveWithDot);
227 assertIsTar(archiveNoDot);
228 }
229 }
230
231 @Test
232 public void testTxzExtension() throws Exception {
233 commitGreeting();
234
235 for (String ext : Arrays.asList("tar.xz", "txz")) {
236 File archiveWithDot = new File(db.getWorkTree(), "tarball." + ext);
237 File archiveNoDot = new File(db.getWorkTree(), "tarball" + ext);
238
239 execute("git archive " +
240 shellQuote("--output=" + archiveWithDot.getAbsolutePath()) + " " +
241 "HEAD");
242 execute("git archive " +
243 shellQuote("--output=" + archiveNoDot.getAbsolutePath()) + " " +
244 "HEAD");
245 assertIsXz(archiveWithDot);
246 assertIsTar(archiveNoDot);
247 }
248 }
249
250 @Test
251 public void testArchiveWithSubdir() throws Exception {
252 writeTrashFile("a", "a file with content!");
253 writeTrashFile("b.c", "before subdir in git sort order");
254 writeTrashFile("b0c", "after subdir in git sort order");
255 writeTrashFile("c", "");
256 git.add().addFilepattern("a").call();
257 git.add().addFilepattern("b.c").call();
258 git.add().addFilepattern("b0c").call();
259 git.add().addFilepattern("c").call();
260 git.commit().setMessage("populate toplevel").call();
261 writeTrashFile("b/b", "file in subdirectory");
262 writeTrashFile("b/a", "another file in subdirectory");
263 git.add().addFilepattern("b").call();
264 git.commit().setMessage("add subdir").call();
265
266 byte[] result = CLIGitCommand.executeRaw(
267 "git archive --format=zip master", db).outBytes();
268 String[] expect = { "a", "b.c", "b0c", "b/", "b/a", "b/b", "c" };
269 String[] actual = listZipEntries(result);
270
271 Arrays.sort(expect);
272 Arrays.sort(actual);
273 assertArrayEquals(expect, actual);
274 }
275
276 @Test
277 public void testTarWithSubdir() throws Exception {
278 writeTrashFile("a", "a file with content!");
279 writeTrashFile("b.c", "before subdir in git sort order");
280 writeTrashFile("b0c", "after subdir in git sort order");
281 writeTrashFile("c", "");
282 git.add().addFilepattern("a").call();
283 git.add().addFilepattern("b.c").call();
284 git.add().addFilepattern("b0c").call();
285 git.add().addFilepattern("c").call();
286 git.commit().setMessage("populate toplevel").call();
287 writeTrashFile("b/b", "file in subdirectory");
288 writeTrashFile("b/a", "another file in subdirectory");
289 git.add().addFilepattern("b").call();
290 git.commit().setMessage("add subdir").call();
291
292 byte[] result = CLIGitCommand.executeRaw(
293 "git archive --format=tar master", db).outBytes();
294 String[] expect = { "a", "b.c", "b0c", "b/", "b/a", "b/b", "c" };
295 String[] actual = listTarEntries(result);
296
297 Arrays.sort(expect);
298 Arrays.sort(actual);
299 assertArrayEquals(expect, actual);
300 }
301
302 private void commitBazAndFooSlashBar() throws Exception {
303 writeTrashFile("baz", "a file");
304 writeTrashFile("foo/bar", "another file");
305 git.add().addFilepattern("baz").call();
306 git.add().addFilepattern("foo").call();
307 git.commit().setMessage("sample commit").call();
308 }
309
310 @Test
311 public void testArchivePrefixOption() throws Exception {
312 commitBazAndFooSlashBar();
313 byte[] result = CLIGitCommand.executeRaw(
314 "git archive --prefix=x/ --format=zip master", db).outBytes();
315 String[] expect = { "x/", "x/baz", "x/foo/", "x/foo/bar" };
316 String[] actual = listZipEntries(result);
317
318 Arrays.sort(expect);
319 Arrays.sort(actual);
320 assertArrayEquals(expect, actual);
321 }
322
323 @Test
324 public void testTarPrefixOption() throws Exception {
325 commitBazAndFooSlashBar();
326 byte[] result = CLIGitCommand.executeRaw(
327 "git archive --prefix=x/ --format=tar master", db).outBytes();
328 String[] expect = { "x/", "x/baz", "x/foo/", "x/foo/bar" };
329 String[] actual = listTarEntries(result);
330
331 Arrays.sort(expect);
332 Arrays.sort(actual);
333 assertArrayEquals(expect, actual);
334 }
335
336 private void commitFoo() throws Exception {
337 writeTrashFile("foo", "a file");
338 git.add().addFilepattern("foo").call();
339 git.commit().setMessage("boring commit").call();
340 }
341
342 @Test
343 public void testPrefixDoesNotNormalizeDoubleSlash() throws Exception {
344 commitFoo();
345 byte[] result = CLIGitCommand.executeRaw(
346 "git archive --prefix=x// --format=zip master", db).outBytes();
347 String[] expect = { "x/", "x//foo" };
348 assertArrayEquals(expect, listZipEntries(result));
349 }
350
351 @Test
352 public void testPrefixDoesNotNormalizeDoubleSlashInTar() throws Exception {
353 commitFoo();
354 byte[] result = CLIGitCommand.executeRaw(
355 "git archive --prefix=x// --format=tar master", db).outBytes();
356 String[] expect = { "x/", "x//foo" };
357 assertArrayEquals(expect, listTarEntries(result));
358 }
359
360
361
362
363
364
365
366
367
368
369 @Test
370 public void testPrefixWithoutTrailingSlash() throws Exception {
371 commitBazAndFooSlashBar();
372 byte[] result = CLIGitCommand.executeRaw(
373 "git archive --prefix=my- --format=zip master", db).outBytes();
374 String[] expect = { "my-baz", "my-foo/", "my-foo/bar" };
375 String[] actual = listZipEntries(result);
376
377 Arrays.sort(expect);
378 Arrays.sort(actual);
379 assertArrayEquals(expect, actual);
380 }
381
382 @Test
383 public void testTarPrefixWithoutTrailingSlash() throws Exception {
384 commitBazAndFooSlashBar();
385 byte[] result = CLIGitCommand.executeRaw(
386 "git archive --prefix=my- --format=tar master", db).outBytes();
387 String[] expect = { "my-baz", "my-foo/", "my-foo/bar" };
388 String[] actual = listTarEntries(result);
389
390 Arrays.sort(expect);
391 Arrays.sort(actual);
392 assertArrayEquals(expect, actual);
393 }
394
395 @Test
396 public void testArchiveIncludesSubmoduleDirectory() throws Exception {
397 writeTrashFile("a", "a file with content!");
398 writeTrashFile("c", "after submodule");
399 git.add().addFilepattern("a").call();
400 git.add().addFilepattern("c").call();
401 git.commit().setMessage("initial commit").call();
402 git.submoduleAdd().setURI("./.").setPath("b").call().close();
403 git.commit().setMessage("add submodule").call();
404
405 byte[] result = CLIGitCommand.executeRaw(
406 "git archive --format=zip master", db).outBytes();
407 String[] expect = { ".gitmodules", "a", "b/", "c" };
408 String[] actual = listZipEntries(result);
409
410 Arrays.sort(expect);
411 Arrays.sort(actual);
412 assertArrayEquals(expect, actual);
413 }
414
415 @Test
416 public void testTarIncludesSubmoduleDirectory() throws Exception {
417 writeTrashFile("a", "a file with content!");
418 writeTrashFile("c", "after submodule");
419 git.add().addFilepattern("a").call();
420 git.add().addFilepattern("c").call();
421 git.commit().setMessage("initial commit").call();
422 git.submoduleAdd().setURI("./.").setPath("b").call().close();
423 git.commit().setMessage("add submodule").call();
424
425 byte[] result = CLIGitCommand.executeRaw(
426 "git archive --format=tar master", db).outBytes();
427 String[] expect = { ".gitmodules", "a", "b/", "c" };
428 String[] actual = listTarEntries(result);
429
430 Arrays.sort(expect);
431 Arrays.sort(actual);
432 assertArrayEquals(expect, actual);
433 }
434
435 @Test
436 public void testArchivePreservesMode() throws Exception {
437 writeTrashFile("plain", "a file with content");
438 writeTrashFile("executable", "an executable file");
439 writeTrashFile("symlink", "plain");
440 writeTrashFile("dir/content", "clutter in a subdir");
441 git.add().addFilepattern("plain").call();
442 git.add().addFilepattern("executable").call();
443 git.add().addFilepattern("symlink").call();
444 git.add().addFilepattern("dir").call();
445
446 DirCache cache = db.lockDirCache();
447 cache.getEntry("executable").setFileMode(FileMode.EXECUTABLE_FILE);
448 cache.getEntry("symlink").setFileMode(FileMode.SYMLINK);
449 cache.write();
450 cache.commit();
451 cache.unlock();
452
453 git.commit().setMessage("three files with different modes").call();
454
455 byte[] zipData = CLIGitCommand.executeRaw(
456 "git archive --format=zip master", db).outBytes();
457 writeRaw("zip-with-modes.zip", zipData);
458 assertContainsEntryWithMode("zip-with-modes.zip", "-rw-", "plain");
459 assertContainsEntryWithMode("zip-with-modes.zip", "-rwx", "executable");
460 assertContainsEntryWithMode("zip-with-modes.zip", "l", "symlink");
461 assertContainsEntryWithMode("zip-with-modes.zip", "-rw-", "dir/");
462 }
463
464 @Test
465 public void testTarPreservesMode() throws Exception {
466 writeTrashFile("plain", "a file with content");
467 writeTrashFile("executable", "an executable file");
468 writeTrashFile("symlink", "plain");
469 writeTrashFile("dir/content", "clutter in a subdir");
470 git.add().addFilepattern("plain").call();
471 git.add().addFilepattern("executable").call();
472 git.add().addFilepattern("symlink").call();
473 git.add().addFilepattern("dir").call();
474
475 DirCache cache = db.lockDirCache();
476 cache.getEntry("executable").setFileMode(FileMode.EXECUTABLE_FILE);
477 cache.getEntry("symlink").setFileMode(FileMode.SYMLINK);
478 cache.write();
479 cache.commit();
480 cache.unlock();
481
482 git.commit().setMessage("three files with different modes").call();
483
484 byte[] archive = CLIGitCommand.executeRaw(
485 "git archive --format=tar master", db).outBytes();
486 writeRaw("with-modes.tar", archive);
487 assertTarContainsEntry("with-modes.tar", "-rw-r--r--", "plain");
488 assertTarContainsEntry("with-modes.tar", "-rwxr-xr-x", "executable");
489 assertTarContainsEntry("with-modes.tar", "l", "symlink -> plain");
490 assertTarContainsEntry("with-modes.tar", "drwxr-xr-x", "dir/");
491 }
492
493 @Test
494 public void testArchiveWithLongFilename() throws Exception {
495 StringBuilder filename = new StringBuilder();
496 List<String> l = new ArrayList<>();
497 for (int i = 0; i < 20; i++) {
498 filename.append("1234567890/");
499 l.add(filename.toString());
500 }
501 filename.append("1234567890");
502 l.add(filename.toString());
503 writeTrashFile(filename.toString(), "file with long path");
504 git.add().addFilepattern("1234567890").call();
505 git.commit().setMessage("file with long name").call();
506
507 byte[] result = CLIGitCommand.executeRaw(
508 "git archive --format=zip HEAD", db).outBytes();
509 assertArrayEquals(l.toArray(new String[0]),
510 listZipEntries(result));
511 }
512
513 @Test
514 public void testTarWithLongFilename() throws Exception {
515 StringBuilder filename = new StringBuilder();
516 List<String> l = new ArrayList<>();
517 for (int i = 0; i < 20; i++) {
518 filename.append("1234567890/");
519 l.add(filename.toString());
520 }
521 filename.append("1234567890");
522 l.add(filename.toString());
523 writeTrashFile(filename.toString(), "file with long path");
524 git.add().addFilepattern("1234567890").call();
525 git.commit().setMessage("file with long name").call();
526
527 byte[] result = CLIGitCommand.executeRaw(
528 "git archive --format=tar HEAD", db).outBytes();
529 assertArrayEquals(l.toArray(new String[0]),
530 listTarEntries(result));
531 }
532
533 @Test
534 public void testArchivePreservesContent() throws Exception {
535 String payload = "“The quick brown fox jumps over the lazy dog!”";
536 writeTrashFile("xyzzy", payload);
537 git.add().addFilepattern("xyzzy").call();
538 git.commit().setMessage("add file with content").call();
539
540 byte[] result = CLIGitCommand.executeRaw(
541 "git archive --format=zip HEAD", db).outBytes();
542 assertArrayEquals(new String[] { payload },
543 zipEntryContent(result, "xyzzy"));
544 }
545
546 @Test
547 public void testTarPreservesContent() throws Exception {
548 String payload = "“The quick brown fox jumps over the lazy dog!”";
549 writeTrashFile("xyzzy", payload);
550 git.add().addFilepattern("xyzzy").call();
551 git.commit().setMessage("add file with content").call();
552
553 byte[] result = CLIGitCommand.executeRaw(
554 "git archive --format=tar HEAD", db).outBytes();
555 assertArrayEquals(new String[] { payload },
556 tarEntryContent(result, "xyzzy"));
557 }
558
559 private Process spawnAssumingCommandPresent(String... cmdline) {
560 File cwd = db.getWorkTree();
561 ProcessBuilder procBuilder = new ProcessBuilder(cmdline)
562 .directory(cwd)
563 .redirectErrorStream(true);
564 Process proc = null;
565 try {
566 proc = procBuilder.start();
567 } catch (IOException e) {
568
569 assumeNoException(e);
570 }
571
572 return proc;
573 }
574
575 private BufferedReader readFromProcess(Process proc) throws Exception {
576 return new BufferedReader(
577 new InputStreamReader(proc.getInputStream(), UTF_8));
578 }
579
580 private void grepForEntry(String name, String mode, String... cmdline)
581 throws Exception {
582 Process proc = spawnAssumingCommandPresent(cmdline);
583 proc.getOutputStream().close();
584 BufferedReader reader = readFromProcess(proc);
585 try {
586 String line;
587 while ((line = reader.readLine()) != null)
588 if (line.startsWith(mode) && line.endsWith(name))
589
590 return;
591 fail("expected entry " + name + " with mode " + mode + " but found none");
592 } finally {
593 proc.getOutputStream().close();
594 proc.destroy();
595 }
596 }
597
598 private void assertMagic(long offset, byte[] magicBytes, File file) throws Exception {
599 try (BufferedInputStream in = new BufferedInputStream(
600 new FileInputStream(file))) {
601 if (offset > 0) {
602 long skipped = in.skip(offset);
603 assertEquals(offset, skipped);
604 }
605
606 byte[] actual = new byte[magicBytes.length];
607 in.read(actual);
608 assertArrayEquals(magicBytes, actual);
609 }
610 }
611
612 private void assertMagic(byte[] magicBytes, File file) throws Exception {
613 assertMagic(0, magicBytes, file);
614 }
615
616 private void assertIsTar(File file) throws Exception {
617 assertMagic(257, new byte[] { 'u', 's', 't', 'a', 'r', 0 }, file);
618 }
619
620 private void assertIsZip(File file) throws Exception {
621 assertMagic(new byte[] { 'P', 'K', 3, 4 }, file);
622 }
623
624 private void assertIsGzip(File file) throws Exception {
625 assertMagic(new byte[] { 037, (byte) 0213 }, file);
626 }
627
628 private void assertIsBzip2(File file) throws Exception {
629 assertMagic(new byte[] { 'B', 'Z', 'h' }, file);
630 }
631
632 private void assertIsXz(File file) throws Exception {
633 assertMagic(new byte[] { (byte) 0xfd, '7', 'z', 'X', 'Z', 0 }, file);
634 }
635
636 private void assertContainsEntryWithMode(String zipFilename, String mode, String name)
637 throws Exception {
638 grepForEntry(name, mode, "zipinfo", zipFilename);
639 }
640
641 private void assertTarContainsEntry(String tarfile, String mode, String name)
642 throws Exception {
643 grepForEntry(name, mode, "tar", "tvf", tarfile);
644 }
645
646 private void writeRaw(String filename, byte[] data)
647 throws IOException {
648 File path = new File(db.getWorkTree(), filename);
649 try (OutputStream out = new FileOutputStream(path)) {
650 out.write(data);
651 }
652 }
653
654 private static String[] listZipEntries(byte[] zipData) throws IOException {
655 List<String> l = new ArrayList<>();
656 try (ZipInputStream in = new ZipInputStream(
657 new ByteArrayInputStream(zipData))) {
658 ZipEntry e;
659 while ((e = in.getNextEntry()) != null)
660 l.add(e.getName());
661 }
662 return l.toArray(new String[0]);
663 }
664
665 private static Future<Object> writeAsync(OutputStream stream, byte[] data) {
666 ExecutorService executor = Executors.newSingleThreadExecutor();
667
668 return executor.submit(() -> {
669 try {
670 stream.write(data);
671 return null;
672 } finally {
673 stream.close();
674 }
675 });
676 }
677
678 private String[] listTarEntries(byte[] tarData) throws Exception {
679 List<String> l = new ArrayList<>();
680 Process proc = spawnAssumingCommandPresent("tar", "tf", "-");
681 try (BufferedReader reader = readFromProcess(proc)) {
682 OutputStream out = proc.getOutputStream();
683
684
685 Future<?> writing = writeAsync(out, tarData);
686
687 try {
688 String line;
689 while ((line = reader.readLine()) != null)
690 l.add(line);
691
692 return l.toArray(new String[0]);
693 } finally {
694 writing.get();
695 proc.destroy();
696 }
697 }
698 }
699
700 private static String[] zipEntryContent(byte[] zipData, String path)
701 throws IOException {
702 ZipInputStream in = new ZipInputStream(
703 new ByteArrayInputStream(zipData));
704 ZipEntry e;
705 while ((e = in.getNextEntry()) != null) {
706 if (!e.getName().equals(path))
707 continue;
708
709
710 List<String> l = new ArrayList<>();
711 BufferedReader reader = new BufferedReader(
712 new InputStreamReader(in, UTF_8));
713 String line;
714 while ((line = reader.readLine()) != null)
715 l.add(line);
716 return l.toArray(new String[0]);
717 }
718
719
720 return null;
721 }
722
723 private String[] tarEntryContent(byte[] tarData, String path)
724 throws Exception {
725 List<String> l = new ArrayList<>();
726 Process proc = spawnAssumingCommandPresent("tar", "Oxf", "-", path);
727 try (BufferedReader reader = readFromProcess(proc)) {
728 OutputStream out = proc.getOutputStream();
729 Future<?> writing = writeAsync(out, tarData);
730
731 try {
732 String line;
733 while ((line = reader.readLine()) != null)
734 l.add(line);
735
736 return l.toArray(new String[0]);
737 } finally {
738 writing.get();
739 proc.destroy();
740 }
741 }
742 }
743 }