Remove the need to have separate spotless config

Author: riggaroo

.github/workflows/build_and_test.yml

@@ -40,7 +40,7 @@ jobs:
         run: chmod +x gradlew
 
       - name: Apply Spotless
-        run: ./gradlew spotlessApply --init-script gradle/init.gradle.kts --no-configuration-cache
+        run: ./gradlew spotlessApply
 
       - name: Commit Spotless changes
         uses: stefanzweifel/git-auto-commit-action@v5

.run/spotlessApply.run.xml

@@ -19,7 +19,6 @@
             <option name="executionName" />
             <option name="externalProjectPath" value="$PROJECT_DIR$" />
             <option name="externalSystemIdString" value="GRADLE" />
-            <option name="scriptParameters" value="--init-script=gradle/init.gradle.kts" />
             <option name="taskDescriptions">
                 <list />
             </option>

build.gradle.kts

@@ -11,4 +11,36 @@ plugins {
     alias(libs.plugins.crashlytics) apply false
     alias(libs.plugins.android.test) apply false
     alias(libs.plugins.baselineprofile) apply false
+    alias(libs.plugins.spotless) apply false
+}
+
+val ktlintVersion = "1.5.0"
+
+subprojects {
+    apply(plugin = "com.diffplug.spotless")
+    extensions.configure<com.diffplug.gradle.spotless.SpotlessExtension> {
+        kotlin {
+            target("**/*.kt")
+            targetExclude("**/build/**/*.kt")
+            ktlint(ktlintVersion).editorConfigOverride(
+                mapOf(
+                    "android" to "true",
+                    "ktlint_standard_property-naming" to "disabled"
+                ),
+            )
+            licenseHeaderFile(rootProject.file("spotless/copyright.kt"))
+        }
+        format("kts") {
+            target("**/*.kts")
+            targetExclude("**/build/**/*.kts")
+            // Look for the first line that doesn't have a block comment (assumed to be the license)
+            licenseHeaderFile(rootProject.file("spotless/copyright.kts"), "(^(?![\\/ ]\\*).*$)")
+        }
+        format("xml") {
+            target("**/*.xml")
+            targetExclude("**/build/**/*.xml")
+            // Look for the first XML tag that isn't a comment (<!--) or the xml declaration (<?xml)
+            licenseHeaderFile(rootProject.file("spotless/copyright.xml"), "(<[^!?])")
+        }
+    }
 }

gradle/libs.versions.toml

@@ -49,6 +49,7 @@ poseDetection = "18.0.0-beta5"
 profileinstaller = "1.4.1"
 retrofit = "2.11.0"
 robolectric = "4.14.1"
+spotless = "7.0.2"
 startup = "1.2.0"
 runner = "1.6.2"
 uiTextGoogleFonts = "1.8.0"
@@ -142,3 +143,4 @@ serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref
 android-test = { id = "com.android.test", version.ref = "agp" }
 baselineprofile = { id = "androidx.baselineprofile", version.ref = "baselineprofile" }
 composeScreenshot = { id = "com.android.compose.screenshot", version = "0.0.1-alpha09" }
+spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }