1 files changed, 56 insertions, 0 deletions
diff --git a/buildSrc/src/main/kotlin/neubs/buildflags.kt b/buildSrc/src/main/kotlin/neubs/buildflags.kt
new file mode 100644
index 00000000..6b7ab489
--- /dev/null
+++ b/buildSrc/src/main/kotlin/neubs/buildflags.kt
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2022 NotEnoughUpdates contributors
+ *
+ * This file is part of NotEnoughUpdates.
+ *
+ * NotEnoughUpdates is free software: you can redistribute it
+ * and/or modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * NotEnoughUpdates is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with NotEnoughUpdates. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package neubs
+
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.the
+import java.nio.charset.StandardCharsets
+import java.util.*
+
+const val NEU_BUILDFLAGS_PREFIX = "neu.buildflags."
+
+class NEUBuildFlags : Plugin<Project> {
+    override fun apply(target: Project) {
+        val props =
+            target.properties.filterKeys { it.startsWith(NEU_BUILDFLAGS_PREFIX) }.mapValues { it.value as String }
+        target.extensions.add("buildflags", Extension(props))
+        target.tasks.create("generateBuildFlags") {
+            outputs.upToDateWhen { false }
+            val t = target.layout.buildDirectory.file("buildflags.properties")
+            outputs.file(t)
+            doLast {
+                val p = Properties()
+                p.putAll(props)
+                t.get().asFile.writer(StandardCharsets.UTF_8).use {
+                    p.store(it, "Store build time configuration for NEU")
+                }
+            }
+
+        }
+    }
+
+    class Extension(val props: Map<String, String>) {
+        fun bool(name: String) = props["$NEU_BUILDFLAGS_PREFIX$name"] == "true"
+    }
+}
+
+val Project.buildFlags: NEUBuildFlags.Extension
+    get() = the<NEUBuildFlags.Extension>()