build.gradle

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'org.owasp:dependency-check-gradle:5.2.2'
    }
}

plugins {
    id 'java-library'
    id 'base'
    id 'idea'
    id 'com.github.johnrengelman.shadow' version '5.1.0'
}

apply from: "$rootDir/gradle/Release.gradle"
apply from: "$rootDir/gradle/DockerSupport.gradle"


def currentJvm = org.gradle.internal.jvm.Jvm.current()

private String getGitRevision() {
    def gitOutput = new ByteArrayOutputStream()
    exec {
        commandLine 'git', 'rev-parse', '--short', 'HEAD'
        standardOutput = gitOutput
    }
    return gitOutput.toString().replace("\n", "")
}

/**
 * Returns difference between number of commits from repo root to current head and to a specified commit.
 * If the current HEAD is directly inherited from from the tag then returned number represents number of commits since tag.
 * Otherwise the returned value has no special meaning.
 */
private Integer getCountOfCommitsSinceTag(tag) {
    def gitOutput = new ByteArrayOutputStream()
    try {
        exec {
            commandLine 'git', 'rev-list', '--count', tag
            standardOutput = gitOutput
            errorOutput = new ByteArrayOutputStream()
        }
    } catch (Exception ignore) {
        logger.warn("WARN: Failed to find git tag: " + project.version)
        return null;
    }

    def commitsFromRootToTag = gitOutput.toString()
    gitOutput.reset()

    exec {
        commandLine 'git', 'rev-list', '--count', 'HEAD'
        standardOutput = gitOutput
    }

    def commitsFromRootToHead = gitOutput.toString()
    return Integer.parseInt(commitsFromRootToHead.replace("\n", "")) - Integer.parseInt(commitsFromRootToTag.replace("\n", ""))
}

private String getBuildTimestamp() {
    def gitOutput = new ByteArrayOutputStream()
    exec {
        workingDir project.rootDir
        commandLine 'git', 'log', '-1', '--date=iso8601', '--pretty=format:%cd'
        standardOutput = gitOutput
    }
    return gitOutput.toString()
}

ext.revision = getGitRevision()
ext.commitsAfterTag = getCountOfCommitsSinceTag(project.version) // Note: project version is expected to match existing tag name
ext.commitTimestamp = getBuildTimestamp()

println '======================================================================'
println 'Current JVM              ' + currentJvm
println 'Project version          ' + project.version
println 'Revision                 ' + ext.revision
println 'Commits after tag:       ' + ext.commitsAfterTag
println 'Commit timestamp:        ' + ext.commitTimestamp
println 'Repository user:         ' + findProperty("ARTIFACTORY_USER");
println '======================================================================'