Use portable awk-based approach instead of GNU

Author: haslinghuis

scripts/patch-app-gradle.sh

@@ -51,9 +51,17 @@ if [ -f "$APP_BUILD_GRADLE" ]; then
         # Find the dependencies block and add the dependency
         if grep -q "^dependencies {" "$APP_BUILD_GRADLE"; then
             # Insert after the opening dependencies { line
-            sed -i '/^dependencies {/a\
     implementation("com.github.mik3y:usb-serial-for-android:3.8.0")
 ' "$APP_BUILD_GRADLE"
+                awk '
+                    /^dependencies \{/ {
+                        print $0
+                        print "    implementation(\"com.github.mik3y:usb-serial-for-android:3.8.0\")"
+                        found=1
+                        next
+                    }
+                    { print }
+                ' "$APP_BUILD_GRADLE" > "$APP_BUILD_GRADLE.tmp" && mv "$APP_BUILD_GRADLE.tmp" "$APP_BUILD_GRADLE"
         else
             # Create dependencies block if it doesn't exist
             echo "Creating dependencies block with usb-serial-for-android..."

scripts/patch-gradle-settings.sh

@@ -44,21 +44,48 @@ dependencyResolutionManagement {
 }
 EOF
     else
-        # Check and add missing repositories in dependencyResolutionManagement
-        if ! grep -A 10 "dependencyResolutionManagement" "$SETTINGS_GRADLE" | grep -q "google()"; then
-            sed -i '/dependencyResolutionManagement {/,/}/ { /repositories {/a\
         google()
-}' "$SETTINGS_GRADLE"
+        mavenCentral()
+        maven { url = uri("https://jitpack.io") }
+        # Portable awk-based insertion for missing repositories in dependencyResolutionManagement
+        if ! grep -A 10 "dependencyResolutionManagement" "$SETTINGS_GRADLE" | grep -q "google()"; then
+            awk '
+                /dependencyResolutionManagement \{/,/\}/ {
+                    if ($0 ~ /repositories \{/ && !found_google) {
+                        print $0
+                        print "        google()"
+                        found_google=1
+                        next
+                    }
+                }
+                { print }
+            ' "$SETTINGS_GRADLE" > "$SETTINGS_GRADLE.tmp" && mv "$SETTINGS_GRADLE.tmp" "$SETTINGS_GRADLE"
         fi
         if ! grep -A 10 "dependencyResolutionManagement" "$SETTINGS_GRADLE" | grep -q "mavenCentral()"; then
-            sed -i '/dependencyResolutionManagement {/,/}/ { /repositories {/a\
-        mavenCentral()
-}' "$SETTINGS_GRADLE"
+            awk '
+                /dependencyResolutionManagement \{/,/\}/ {
+                    if ($0 ~ /repositories \{/ && !found_mavenCentral) {
+                        print $0
+                        print "        mavenCentral()"
+                        found_mavenCentral=1
+                        next
+                    }
+                }
+                { print }
+            ' "$SETTINGS_GRADLE" > "$SETTINGS_GRADLE.tmp" && mv "$SETTINGS_GRADLE.tmp" "$SETTINGS_GRADLE"
         fi
         if ! grep -A 10 "dependencyResolutionManagement" "$SETTINGS_GRADLE" | grep -q "jitpack.io"; then
-            sed -i '/dependencyResolutionManagement {/,/}/ { /repositories {/a\
-        maven { url = uri("https://jitpack.io") }
-}' "$SETTINGS_GRADLE"
+            awk '
+                /dependencyResolutionManagement \{/,/\}/ {
+                    if ($0 ~ /repositories \{/ && !found_jitpack) {
+                        print $0
+                        print "        maven { url = uri(\"https://jitpack.io\") }"
+                        found_jitpack=1
+                        next
+                    }
+                }
+                { print }
+            ' "$SETTINGS_GRADLE" > "$SETTINGS_GRADLE.tmp" && mv "$SETTINGS_GRADLE.tmp" "$SETTINGS_GRADLE"
         fi
     fi