Example usage for org.eclipse.jgit.attributes AttributesNodeProvider getGlobalAttributesNode

Introduction

In this page you can find the example usage for org.eclipse.jgit.attributes AttributesNodeProvider getGlobalAttributesNode.

Prototype

AttributesNode getGlobalAttributesNode() throws IOException;

Source Link

Document

Retrieve the org.eclipse.jgit.attributes.AttributesNode that holds the information located in the global gitattributes file.

Usage

From source file:com.diffplug.gradle.spotless.GitAttributesLineEndingPolicy.java

License:Apache License

public static GitAttributesLineEndingPolicy create(File rootFolder) {
    return Errors.rethrow().get(() -> {
        FileRepositoryBuilder builder = new FileRepositoryBuilder();
        builder.findGitDir(rootFolder);//from   w ww .j av a 2s .  co  m
        if (builder.getGitDir() != null) {
            // we found a repository, so we can grab all the values we need from it
            Repository repo = builder.build();
            AttributesNodeProvider nodeProvider = repo.createAttributesNodeProvider();
            Function<AttributesNode, List<AttributesRule>> getRules = node -> node == null
                    ? Collections.emptyList()
                    : node.getRules();
            return new GitAttributesLineEndingPolicy(repo.getConfig(),
                    getRules.apply(nodeProvider.getInfoAttributesNode()), repo.getWorkTree(),
                    getRules.apply(nodeProvider.getGlobalAttributesNode()));
        } else {
            // there's no repo, so it takes some work to grab the system-wide values
            Config systemConfig = SystemReader.getInstance().openSystemConfig(null, FS.DETECTED);
            Config userConfig = SystemReader.getInstance().openUserConfig(systemConfig, FS.DETECTED);
            if (userConfig == null) {
                userConfig = new Config();
            }

            List<AttributesRule> globalRules = Collections.emptyList();
            // copy-pasted from org.eclipse.jgit.lib.CoreConfig
            String globalAttributesPath = userConfig.getString(ConfigConstants.CONFIG_CORE_SECTION, null,
                    ConfigConstants.CONFIG_KEY_ATTRIBUTESFILE);
            // copy-pasted from org.eclipse.jgit.internal.storage.file.GlobalAttributesNode
            if (globalAttributesPath != null) {
                FS fs = FS.detect();
                File attributesFile;
                if (globalAttributesPath.startsWith("~/")) { //$NON-NLS-1$
                    attributesFile = fs.resolve(fs.userHome(), globalAttributesPath.substring(2));
                } else {
                    attributesFile = fs.resolve(null, globalAttributesPath);
                }
                globalRules = parseRules(attributesFile);
            }
            return new GitAttributesLineEndingPolicy(userConfig,
                    // no git info file
                    Collections.emptyList(), null, globalRules);
        }
    });
}

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