thaumicadditions/proguard.gradle

// Minimal standalone ProGuard wiring for Forge mods that are NOT on Stratum.
// Stratum layers should NOT use this file — enable stratum.proguard instead.
// Layout: proguard-baseline.pro (shared rules) + optional proguard-mod.pro (overrides only).

configurations {
    proguardPath
}

repositories {
    mavenCentral()
}

dependencies {
    proguardPath 'com.guardsquare:proguard-base:7.4.2'
}

def pgDir = file("${buildDir}/proguard")
def baseline = rootProject.file('proguard-baseline.pro')
if (!baseline.exists()) baseline = file('proguard-baseline.pro')
def modOverride = rootProject.file('proguard-mod.pro')
if (!modOverride.exists()) modOverride = file('proguard-mod.pro')

task proguardJar(type: JavaExec) {
    group = 'build'
    description = 'Shrink/obfuscate jar (standalone baseline + optional proguard-mod.pro)'
    dependsOn tasks.matching { it.name == 'jar' }
    classpath = configurations.proguardPath
    if (hasProperty('mainClass')) {
        try { mainClass.set('proguard.ProGuard') } catch (Throwable t) { main = 'proguard.ProGuard' }
    } else {
        main = 'proguard.ProGuard'
    }
    outputs.dir pgDir

    doFirst {
        if (!baseline.exists()) {
            throw new GradleException('Missing proguard-baseline.pro (standalone non-Stratum mods)')
        }
        pgDir.mkdirs()
        def jarTask = tasks.findByName('jar')
        if (jarTask == null) throw new GradleException('proguardJar requires a jar task')
        def inJar = jarTask.hasProperty('archiveFile') ? jarTask.archiveFile.get().asFile : jarTask.archivePath
        if (!inJar.exists()) throw new GradleException("Input jar missing: ${inJar}")
        def outJar = new File(pgDir, inJar.name.replace('.jar', '-proguard.jar'))
        def conf = new File(pgDir, 'proguard-generated.conf')
        def lines = [
            "-injars '${inJar.absolutePath}'",
            "-outjars '${outJar.absolutePath}'",
            "-include '${baseline.absolutePath}'",
            "-printmapping '${new File(pgDir, 'mapping.txt').absolutePath}'",
            "-printseeds '${new File(pgDir, 'seeds.txt').absolutePath}'",
            "-printusage '${new File(pgDir, 'usage.txt').absolutePath}'",
        ]
        if (modOverride.exists()) {
            lines.add("-include '${modOverride.absolutePath}'")
        }
        def javaHome = System.getProperty('java.home')
        def rt = file("${javaHome}/lib/rt.jar")
        def rtJre = file("${javaHome}/../lib/rt.jar")
        if (rt.exists()) lines.add("-libraryjars '${rt.absolutePath}'")
        else if (rtJre.exists()) lines.add("-libraryjars '${rtJre.absolutePath}'")
        else {
            def jmod = file("${javaHome}/jmods/java.base.jmod")
            if (jmod.exists()) lines.add("-libraryjars '${jmod.absolutePath}'(!**.jar;!module-info.class)")
        }
        try {
            configurations.compileClasspath.files.findAll { it.name.endsWith('.jar') }.each { f ->
                if (f.absolutePath != inJar.absolutePath) lines.add("-libraryjars '${f.absolutePath}'")
            }
        } catch (Throwable ignored) {
            try {
                configurations.compile.files.findAll { it.name.endsWith('.jar') }.each { f ->
                    if (f.absolutePath != inJar.absolutePath) lines.add("-libraryjars '${f.absolutePath}'")
                }
            } catch (Throwable ignored2) { /* FG1 */ }
        }
        conf.text = lines.join('\n') + '\n'
        args '-include', conf.absolutePath
        ext.pgOut = outJar
        ext.pgIn = inJar
    }
    doLast {
        def outJar = ext.pgOut as File
        def inJar = ext.pgIn as File
        if (!outJar.exists()) throw new GradleException("proguardJar produced no output: ${outJar}")
        java.nio.file.Files.copy(outJar.toPath(), inJar.toPath(), java.nio.file.StandardCopyOption.REPLACE_EXISTING)
    }
}

afterEvaluate {
    def assemble = tasks.findByName('assemble')
    if (assemble != null && (project.hasProperty('tdlmProguard') || project.findProperty('tdlm.proguard') == 'true')) {
        assemble.dependsOn proguardJar
    }
}