buildscripts/generate-version-file.gradle

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

def getCommitHash(File workingDir) {
    try {
        def process = 'git rev-parse HEAD'.execute(null, workingDir)
        int exitValue = process.waitFor()
        if (exitValue == 0) {
            return process.text.trim()
        }
    } catch (Exception e) {
        // Git command not found or failed
    }
    return "unknown"
}

def createVersionFile = tasks.register('createVersionFile') {
    def commitHash = project.hasProperty("lastCommitHash")
            ? project.property("lastCommitHash")
            : getCommitHash(project.rootDir)

    def versionFileName = "ignite.version.full"
    def versionFile = file("$buildDir/$versionFileName")

    if (versionFile.exists()) {
        versionFile.delete()
    }

    doLast {
        versionFile << project.version + "-sha1:" + commitHash
    }

    outputs.file versionFile
}

// make  processResources depends on createExtraFilesIndex task
processResources {
    from createVersionFile
}