Improved diff design

Also removed unecessary information and reduced font size to match better a desktop design

src/main/kotlin/Diff.kt

@@ -14,6 +14,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
 import theme.primaryTextColor
 
 @Composable
@@ -37,28 +38,45 @@ fun Diff(gitManager: GitManager, diffEntryType: DiffEntryType, onCloseDiffView:
             ) {
                 Text("Close diff")
             }
-            val textLines = text.split("\n", "\r\n")
-            LazyColumn(modifier = Modifier
+            SelectionContainer {
+                LazyColumn(
+                    modifier = Modifier
                         .fillMaxSize()
-                .padding(16.dp)) {
-                items(textLines) { line ->
-                    val backgroundColor = if (line.startsWith("+")) {
+                        .padding(16.dp)
+                ) {
+                    items(text) { line ->
+                        val isHunkLine = line.startsWith("@@") && line.endsWith("@@")
+
+                        val backgroundColor = when {
+                            line.startsWith("+") -> {
                                 Color(0x77a9d49b)
-                    } else if (line.startsWith("-")) {
+                            }
+                            line.startsWith("-") -> {
                                 Color(0x77dea2a2)
-                    } else {
+                            }
+                            isHunkLine -> {
+                                MaterialTheme.colors.background
+                            }
+                            else -> {
                                 MaterialTheme.colors.surface
                             }
+                        }
+
+                        val paddingTop = if (isHunkLine)
+                            32.dp
+                        else
+                            0.dp
 
-                    SelectionContainer {
                         Text(
                             text = line,
                             modifier = Modifier
+                                .padding(top = paddingTop)
                                 .background(backgroundColor)
                                 .fillMaxWidth(),
                             color = MaterialTheme.colors.primaryTextColor,
                             maxLines = 1,
                             fontFamily = FontFamily.Monospace,
+                            fontSize = 14.sp,
                         )
                     }
                 }

src/main/kotlin/GitManager.kt

@@ -126,7 +126,7 @@ class GitManager {
     val hasUncommitedChanges: StateFlow<Boolean>
         get() = statusManager.hasUncommitedChanges
 
-    fun diffFormat(diffEntryType: DiffEntryType): String {
+    fun diffFormat(diffEntryType: DiffEntryType): List<String> {
         val diffEntry = diffEntryType.diffEntry
         val byteArrayOutputStream = ByteArrayOutputStream()
 
@@ -144,7 +144,13 @@ class GitManager {
             formatter.flush()
         }
 
-        return byteArrayOutputStream.toString(Charsets.UTF_8)
+        val diff = byteArrayOutputStream.toString(Charsets.UTF_8)
+
+        // TODO This is just a workaround, try to find properly which lines have to be displayed by using a custom diff
+
+        return diff.split("\n", "\r\n").filterNot {
+            it.startsWith("diff --git")
+        }
     }
 
     fun pull() = managerScope.launch {