Gradle: log which application is built.

app/build.gradle.kts

@@ -109,6 +109,7 @@ android {
     } else {
         "Element X"
     }
+    logger.warnInBox("Building $baseAppName")
 
     buildTypes {
         getByName("debug") {

plugins/src/main/kotlin/Logger.kt

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed 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.
+ */
+
+import org.gradle.api.logging.Logger
+import kotlin.math.max
+
+fun Logger.warnInBox(
+    text: String,
+    minBoxWidth: Int = 80,
+    padding: Int = 4,
+) {
+    val textLength = text.length
+    val boxWidth = max(textLength + 2, minBoxWidth)
+    val textPadding = max((boxWidth - textLength) / 2, 1)
+    warn(
+        buildString {
+            append(" ".repeat(padding))
+            append("┌")
+            append("─".repeat(boxWidth))
+            append("┐")
+        }
+    )
+    warn(
+        buildString {
+            append(" ".repeat(padding))
+            append("│")
+            append(" ".repeat(textPadding))
+            append(text)
+            append(" ".repeat(textPadding))
+            if (textLength % 2 == 1 && boxWidth == minBoxWidth) append(" ")
+            append("│")
+        }
+    )
+    warn(
+        buildString {
+            append(" ".repeat(padding))
+            append("└")
+            append("─".repeat(boxWidth))
+            append("┘")
+        }
+    )
+}