PhotonVision/versioningHelper.gradle

import java.time.LocalDateTime
import java.time.format.DateTimeFormatter
import java.nio.file.Path

gradle.allprojects {
    ext.getCurrentVersion = { ->
        def stdout = new ByteArrayOutputStream()
        String tagIsh
        try {
            exec {
                commandLine 'git', 'describe', '--tags', '--exclude="[dD]ev*"'
                standardOutput = stdout
            }
            tagIsh = stdout.toString().trim().toLowerCase()
        } catch(Exception e) {
            tagIsh = "dev-Unknown"
        }
        // Dev tags: v2021.1.6-3-gf922466d
        // We're specifically looking to capture the middle -3-
        boolean isDev = tagIsh.matches(".*-[0-9]*-g[0-9a-f]*")
        if(isDev && !tagIsh.startsWith("dev-")) tagIsh = "dev-" + tagIsh
        println("Picked up version: " + tagIsh)
        return tagIsh
    }

    if(!ext.has("versionString")) {
        ext.versionString = getCurrentVersion()
    }
}