uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/mobile/androidenv/emulate-app.nix

@@ -0,0 +1,137 @@
+{ composeAndroidPackages, stdenv, lib, runtimeShell }:
+{ name, app ? null
+, platformVersion ? "16", abiVersion ? "armeabi-v7a", systemImageType ? "default"
+, enableGPU ? false, extraAVDFiles ? []
+, package ? null, activity ? null
+, avdHomeDir ? null, sdkExtraArgs ? {}
+}:
+
+let
+  sdkArgs = {
+    toolsVersion = "26.1.1";
+    platformVersions = [ platformVersion ];
+    includeEmulator = true;
+    includeSystemImages = true;
+    systemImageTypes = [ systemImageType ];
+    abiVersions = [ abiVersion ];
+  } // sdkExtraArgs;
+
+  sdk = (composeAndroidPackages sdkArgs).androidsdk;
+in
+stdenv.mkDerivation {
+  inherit name;
+
+  buildCommand = ''
+    mkdir -p $out/bin
+
+    cat > $out/bin/run-test-emulator << "EOF"
+    #!${runtimeShell} -e
+
+    # We need a TMPDIR
+    if [ "$TMPDIR" = "" ]
+    then
+        export TMPDIR=/tmp
+    fi
+
+    ${if avdHomeDir == null then ''
+      # Store the virtual devices somewhere else, instead of polluting a user's HOME directory
+      export ANDROID_SDK_HOME=$(mktemp -d $TMPDIR/nix-android-vm-XXXX)
+    '' else ''
+      mkdir -p "${avdHomeDir}"
+      export ANDROID_SDK_HOME="${avdHomeDir}"
+    ''}
+
+    # We need to specify the location of the Android SDK root folder
+    export ANDROID_SDK_ROOT=${sdk}/libexec/android-sdk
+
+    # We have to look for a free TCP port
+
+    echo "Looking for a free TCP port in range 5554-5584" >&2
+
+    for i in $(seq 5554 2 5584)
+    do
+        if [ -z "$(${sdk}/libexec/android-sdk/platform-tools/adb devices | grep emulator-$i)" ]
+        then
+            port=$i
+            break
+        fi
+    done
+
+    if [ -z "$port" ]
+    then
+        echo "Unfortunately, the emulator port space is exhausted!" >&2
+        exit 1
+    else
+        echo "We have a free TCP port: $port" >&2
+    fi
+
+    export ANDROID_SERIAL="emulator-$port"
+
+    # Create a virtual android device for testing if it does not exist
+    ${sdk}/libexec/android-sdk/tools/bin/avdmanager list target
+
+    if [ "$(${sdk}/libexec/android-sdk/tools/android list avd | grep 'Name: device')" = "" ]
+    then
+        # Create a virtual android device
+        yes "" | ${sdk}/libexec/android-sdk/tools/bin/avdmanager create avd -n device -k "system-images;android-${platformVersion};${systemImageType};${abiVersion}" $NIX_ANDROID_AVD_FLAGS
+
+        ${lib.optionalString enableGPU ''
+          # Enable GPU acceleration
+          echo "hw.gpu.enabled=yes" >> $ANDROID_SDK_HOME/.android/avd/device.avd/config.ini
+        ''}
+
+        ${lib.concatMapStrings (extraAVDFile: ''
+          ln -sf ${extraAVDFile} $ANDROID_SDK_HOME/.android/avd/device.avd
+        '') extraAVDFiles}
+    fi
+
+    # Launch the emulator
+    ${sdk}/libexec/android-sdk/emulator/emulator -avd device -no-boot-anim -port $port $NIX_ANDROID_EMULATOR_FLAGS &
+
+    # Wait until the device has completely booted
+    echo "Waiting until the emulator has booted the device and the package manager is ready..." >&2
+
+    ${sdk}/libexec/android-sdk/platform-tools/adb -s emulator-$port wait-for-device
+
+    echo "Device state has been reached" >&2
+
+    while [ -z "$(${sdk}/libexec/android-sdk/platform-tools/adb -s emulator-$port shell getprop dev.bootcomplete | grep 1)" ]
+    do
+        sleep 5
+    done
+
+    echo "dev.bootcomplete property is 1" >&2
+
+    #while [ -z "$(${sdk}/libexec/android-sdk/platform-tools/adb -s emulator-$port shell getprop sys.boot_completed | grep 1)" ]
+    #do
+        #sleep 5
+    #done
+
+    #echo "sys.boot_completed property is 1" >&2
+
+    echo "ready" >&2
+
+    ${lib.optionalString (app != null) ''
+      # Install the App through the debugger, if it has not been installed yet
+
+      if [ -z "${package}" ] || [ "$(${sdk}/libexec/android-sdk/platform-tools/adb -s emulator-$port shell pm list packages | grep package:${package})" = "" ]
+      then
+          if [ -d "${app}" ]
+          then
+              appPath="$(echo ${app}/*.apk)"
+          else
+              appPath="${app}"
+          fi
+
+          ${sdk}/libexec/android-sdk/platform-tools/adb -s emulator-$port install "$appPath"
+      fi
+
+      # Start the application
+      ${lib.optionalString (package != null && activity != null) ''
+          ${sdk}/libexec/android-sdk/platform-tools/adb -s emulator-$port shell am start -a android.intent.action.MAIN -n ${package}/${activity}
+      ''}
+    ''}
+    EOF
+    chmod +x $out/bin/run-test-emulator
+  '';
+}