Fix config level completion on device

app/src/main/java/solutions/tretter/githugandroid/GitRepositoryInspector.kt

@@ -200,9 +200,33 @@ internal class GitRepositoryInspector(
             userEmailResult.outputLines.firstOrNull()
                 ?.takeIf { userEmailResult.exitCode == 0 && it.isNotBlank() }
                 ?.let { put("user.email", it) }
+            putAll(readGitConfigFile(inspectionRoot).filterKeys { it !in keys })
         }
     }
 
+    private fun readGitConfigFile(inspectionRoot: File): Map<String, String> {
+        val configFile = File(inspectionRoot, ".git/config")
+        if (!configFile.isFile) return emptyMap()
+
+        val entries = linkedMapOf<String, String>()
+        var section = ""
+        configFile.forEachLine { rawLine ->
+            val line = rawLine.trim()
+            when {
+                line.isBlank() || line.startsWith("#") || line.startsWith(";") -> return@forEachLine
+                line.startsWith("[") && line.endsWith("]") -> {
+                    section = line.removePrefix("[").removeSuffix("]").trim().substringBefore(' ')
+                }
+                "=" in line && section.isNotBlank() -> {
+                    val key = line.substringBefore('=').trim()
+                    val value = line.substringAfter('=').trim()
+                    entries["$section.$key"] = value
+                }
+            }
+        }
+        return entries
+    }
+
     private fun inspectRemoteRefs(git: File, inspectionRoot: File, remoteLines: List<String>): RemoteRefs {
         val remotes = remoteLines.mapNotNull { line ->
             val parts = line.trim().split(Regex("\\s+"))