Support diffing uses-permission counts

There might be significant differences in blame attribution for AndroidManifest.xml. We usually pay close attention to changes in versionCode, targetSdk, and the count of uses-permissions. Adding an extra line to display the result.

Author: Goooler

formats/src/main/kotlin/com/jakewharton/diffuse/format/AndroidManifest.kt

@@ -36,6 +36,7 @@ class AndroidManifest private constructor(
   val packageName: String,
   val versionName: String?,
   val versionCode: Long?,
+  val usesPermissionCount: Int?,
 ) {
   companion object {
     const val NAME = "AndroidManifest.xml"
@@ -167,8 +168,9 @@ class AndroidManifest private constructor(
       } else {
         null
       }
+      val usesPermissionCount = manifestElement.getElementsByTagName("uses-permission").length
 
-      return AndroidManifest(toFormattedXml(), packageName, versionName, versionCode)
+      return AndroidManifest(toFormattedXml(), packageName, versionName, versionCode, usesPermissionCount)
     }
 
     private fun Document.toFormattedXml() = buildString {

reports/src/main/kotlin/com/jakewharton/diffuse/diff/ManifestDiff.kt

@@ -11,7 +11,8 @@ internal class ManifestDiff(
 ) {
   internal val parsedPropertiesChanged = oldManifest.packageName != newManifest.packageName ||
     oldManifest.versionName != newManifest.versionName ||
-    oldManifest.versionCode != newManifest.versionCode
+    oldManifest.versionCode != newManifest.versionCode ||
+    oldManifest.usesPermissionCount != newManifest.usesPermissionCount
 
   val diff: List<String> = run {
     val oldLines = oldManifest.xml.lines()
@@ -34,6 +35,7 @@ internal fun ManifestDiff.toDetailReport() = buildString {
         row("package", oldManifest.packageName, newManifest.packageName)
         row("version code", oldManifest.versionCode, newManifest.versionCode)
         row("version name", oldManifest.versionName, newManifest.versionName)
+        row("uses-permission count", oldManifest.usesPermissionCount, newManifest.usesPermissionCount)
       },
     )
   }