Examples with Sha1HashCode com.facebook.buck.util.sha1.Sha1HashCode used on opensource projects

Example 6 with Sha1HashCode

use of com.facebook.buck.util.sha1.Sha1HashCode in project buck by facebook.

the class IjProjectWriter method writeToFile.

@VisibleForTesting
protected void writeToFile(ST contents, Path path) throws IOException {
    StringWriter stringWriter = new StringWriter();
    AutoIndentWriter noIndentWriter = new AutoIndentWriter(stringWriter);
    contents.write(noIndentWriter);
    byte[] renderedContentsBytes = noIndentWriter.toString().getBytes(StandardCharsets.UTF_8);
    if (projectFilesystem.exists(path)) {
        Sha1HashCode fileSha1 = projectFilesystem.computeSha1(path);
        Sha1HashCode contentsSha1 = Sha1HashCode.fromHashCode(Hashing.sha1().hashBytes(renderedContentsBytes));
        if (fileSha1.equals(contentsSha1)) {
            return;
        }
    }
    boolean danglingTempFile = false;
    Path tempFile = projectFilesystem.createTempFile(IDEA_CONFIG_DIR_PREFIX, path.getFileName().toString(), ".tmp");
    try {
        danglingTempFile = true;
        try (OutputStream outputStream = projectFilesystem.newFileOutputStream(tempFile)) {
            outputStream.write(contents.render().getBytes());
        }
        projectFilesystem.createParentDirs(path);
        projectFilesystem.move(tempFile, path, StandardCopyOption.REPLACE_EXISTING);
        danglingTempFile = false;
    } finally {
        if (danglingTempFile) {
            projectFilesystem.deleteFileAtPath(tempFile);
        }
    }
}

Example 7 with Sha1HashCode

use of com.facebook.buck.util.sha1.Sha1HashCode in project buck by facebook.

the class BuckBuildLog method fromLogContents.

public static BuckBuildLog fromLogContents(Path root, List<String> logContents) {
    ImmutableMap.Builder<BuildTarget, BuildLogEntry> builder = ImmutableMap.builder();
    for (String line : logContents) {
        Matcher matcher = BUILD_LOG_FINISHED_RULE_REGEX.matcher(line);
        if (!matcher.matches()) {
            continue;
        }
        String buildTargetRaw = matcher.group("BuildTarget");
        BuildTarget buildTarget = BuildTargetFactory.newInstance(root, buildTargetRaw);
        String statusRaw = matcher.group("Status");
        BuildRuleStatus status = BuildRuleStatus.valueOf(statusRaw);
        String ruleKeyRaw = matcher.group("RuleKey");
        Sha1HashCode ruleKey = Sha1HashCode.of(ruleKeyRaw);
        CacheResult cacheResult = null;
        BuildRuleSuccessType successType = null;
        if (status == BuildRuleStatus.SUCCESS) {
            String cacheResultRaw = matcher.group("CacheResult");
            cacheResult = CacheResult.valueOf(cacheResultRaw);
            String successTypeRaw = matcher.group("SuccessType");
            successType = BuildRuleSuccessType.valueOf(successTypeRaw);
        }
        builder.put(buildTarget, new BuildLogEntry(status, Optional.ofNullable(successType), Optional.ofNullable(cacheResult), ruleKey));
    }
    return new BuckBuildLog(root, builder.build());
}

Example 8 with Sha1HashCode

use of com.facebook.buck.util.sha1.Sha1HashCode in project buck by facebook.

the class ComputeExopackageDepsAbi method addToHash.

private void addToHash(Hasher hasher, String role, Path absolutePath, Path relativePath) throws IOException {
    // No need to check relative path. That's already been done for us.
    Preconditions.checkState(absolutePath.isAbsolute(), "Expected absolute path to be absolute: %s", absolutePath);
    hasher.putUnencodedChars(relativePath.toString());
    hasher.putByte((byte) 0);
    Sha1HashCode fileSha1 = getProjectFilesystem().computeSha1(absolutePath);
    fileSha1.update(hasher);
    hasher.putByte((byte) 0);
    hasher.putUnencodedChars(role);
    hasher.putByte((byte) 0);
    LOG.verbose("file %s(%s) = %s", relativePath, role, fileSha1);
}

Example 9 with Sha1HashCode

use of com.facebook.buck.util.sha1.Sha1HashCode in project buck by facebook.

the class CopyNativeLibraries method getBuildSteps.

@Override
public ImmutableList<Step> getBuildSteps(BuildContext context, BuildableContext buildableContext) {
    ImmutableList.Builder<Step> steps = ImmutableList.builder();
    steps.add(new MakeCleanDirectoryStep(getProjectFilesystem(), getBinPath()));
    final Path pathToNativeLibs = getPathToNativeLibsDir();
    steps.add(new MakeCleanDirectoryStep(getProjectFilesystem(), pathToNativeLibs));
    final Path pathToNativeLibsAssets = getPathToNativeLibsAssetsDir();
    steps.add(new MakeCleanDirectoryStep(getProjectFilesystem(), pathToNativeLibsAssets));
    for (SourcePath nativeLibDir : nativeLibDirectories.asList().reverse()) {
        copyNativeLibrary(getProjectFilesystem(), context.getSourcePathResolver().getAbsolutePath(nativeLibDir), pathToNativeLibs, cpuFilters, steps);
    }
    addStepsForCopyingStrippedNativeLibrariesOrAssets(context.getSourcePathResolver(), getProjectFilesystem(), stripLibRules, pathToNativeLibs, steps);
    addStepsForCopyingStrippedNativeLibrariesOrAssets(context.getSourcePathResolver(), getProjectFilesystem(), stripLibAssetRules, pathToNativeLibsAssets, steps);
    final Path pathToMetadataTxt = getPathToMetadataTxt();
    steps.add(new AbstractExecutionStep("hash_native_libs") {

        @Override
        public StepExecutionResult execute(ExecutionContext context) {
            ProjectFilesystem filesystem = getProjectFilesystem();
            ImmutableList.Builder<String> metadataLines = ImmutableList.builder();
            try {
                for (Path nativeLib : filesystem.getFilesUnderPath(getPathToAllLibsDir())) {
                    Sha1HashCode filesha1 = filesystem.computeSha1(nativeLib);
                    Path relativePath = getPathToAllLibsDir().relativize(nativeLib);
                    metadataLines.add(String.format("%s %s", relativePath, filesha1));
                }
                filesystem.writeLinesToPath(metadataLines.build(), pathToMetadataTxt);
            } catch (IOException e) {
                context.logError(e, "There was an error hashing native libraries.");
                return StepExecutionResult.ERROR;
            }
            return StepExecutionResult.SUCCESS;
        }
    });
    buildableContext.recordArtifact(pathToNativeLibs);
    buildableContext.recordArtifact(pathToNativeLibsAssets);
    buildableContext.recordArtifact(pathToMetadataTxt);
    return steps.build();
}

Example 10 with Sha1HashCode

use of com.facebook.buck.util.sha1.Sha1HashCode in project buck by facebook.

the class DexProducedFromJavaLibrary method computeAbiKey.

@VisibleForTesting
static Sha1HashCode computeAbiKey(ImmutableSortedMap<String, HashCode> classNames) {
    Hasher hasher = Hashing.sha1().newHasher();
    for (Map.Entry<String, HashCode> entry : classNames.entrySet()) {
        hasher.putUnencodedChars(entry.getKey());
        hasher.putByte((byte) 0);
        hasher.putUnencodedChars(entry.getValue().toString());
        hasher.putByte((byte) 0);
    }
    return Sha1HashCode.fromHashCode(hasher.hash());
}