com.labun.buildnumber.JGitBuildNumberGradleTask Maven / Gradle / Ivy

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Extracts Git metadata and a freely composable build number in pure Java without Git command-line tool.

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package com.labun.buildnumber;

import java.io.File;
import java.util.Map;

import org.gradle.api.DefaultTask;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.InputDirectory;
import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.TaskAction;

import lombok.Getter;
import lombok.Setter;

/** Extracts Git metadata and creates build number. Publishes them as project properties. */
@Getter
@Setter
public class JGitBuildNumberGradleTask extends DefaultTask implements Parameters {

    @Input @Optional private String namespace;
    @Input @Optional private String dirtyValue;
    @Input @Optional private Integer shortRevisionLength;
    @Input @Optional private String gitDateFormat;
    @Input @Optional private String buildDateFormat;
    @Input @Optional private String dateFormatTimeZone;
    @Input @Optional private String countCommitsSinceInclusive;
    @Input @Optional private String countCommitsSinceExclusive;
    @Input @Optional private String countCommitsInPath;
    @Input @Optional private String buildNumberFormat;
    @InputDirectory @Optional private File repositoryDirectory;
    @Input @Optional  private Boolean runOnlyAtExecutionRoot;
    @Input @Optional private Boolean skip;
    @Input @Optional private Boolean verbose;

    @TaskAction
    public void extractBuildnumber() throws Exception {
        // set some parameters to Gradle specific values
        if (getRepositoryDirectory() == null) setRepositoryDirectory(getProject().getProjectDir());

        validateAndSetParameterValues();

        if (skip) {
            getLogger().lifecycle("Execution is skipped by configuration.");
            return;
        }

        Map properties = new BuildNumberExtractor(this, msg -> getLogger().lifecycle(msg)).extract(); // "info" level will not be printed by default

        getProject().getExtensions().add(Map.class, namespace, properties);
    }
}