org.curioswitch.gradle.release.ReleasePlugin.java Source code

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Here is the source code for org.curioswitch.gradle.release.ReleasePlugin.java

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/*
 * MIT License
 *
 * Copyright (c) 2019 Choko (choko@curioswitch.org)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package org.curioswitch.gradle.release;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.base.Strings;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.lib.Constants;
import org.gradle.api.Plugin;
import org.gradle.api.Project;

public class ReleasePlugin implements Plugin<Project> {

    private static final DateTimeFormatter TIMESTAMP_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");

    @Override
    public void apply(Project project) {
        if (project.getParent() != null) {
            throw new IllegalStateException("gradle-release-plugin can only be applied to the root project.");
        }

        if (!project.hasProperty("version") || "unspecified".equals(project.findProperty("version"))) {
            String version = determineVersion(project);
            project.setProperty("version", version);

            project.subprojects(proj -> {
                if (!proj.hasProperty("version") || "unspecified".equals(proj.findProperty("version"))) {
                    proj.setProperty("version", version);
                }
            });

            project.getLogger().quiet("Automatically determined version: " + version);
        }
    }

    private static String determineVersion(Project project) {
        String revisionId;
        if (project.hasProperty("curiostack.revisionId")) {
            revisionId = (String) project.property("curiostack.revisionId");
        } else if (System.getenv().containsKey("REVISION_ID")) {
            revisionId = System.getenv("REVISION_ID");
        } else if (!Strings.isNullOrEmpty(System.getenv().get("TAG_NAME"))) {
            revisionId = System.getenv("TAG_NAME");
        } else if (!Strings.isNullOrEmpty(System.getenv().get("BRANCH_NAME"))) {
            revisionId = System.getenv("BRANCH_NAME");
        } else {
            try (Git git = Git.open(project.getRootDir())) {
                revisionId = git.getRepository().resolve(Constants.HEAD).getName().substring(0, 12);
            } catch (IOException e) {
                revisionId = "unknown";
            }
        }

        checkNotNull(revisionId);

        boolean isRelease = "true".equals(project.findProperty("curiostack.release"));

        if (isRelease) {
            return revisionId;
        } else {
            return "0.0.0-" + TIMESTAMP_FORMATTER.format(LocalDateTime.now(ZoneOffset.UTC)) + "-" + revisionId;
        }
    }
}