Chore: docs and more logs

README.md

@@ -1,3 +1,50 @@
 # qt-android
 
-A drone plugin for building Qt apps for Android.
+A drone plugin for building Qt apps for Android.
+
+# Usage
+
+The following settings changes this plugin's behavior.
+
+* qmake_arguments (optional) additional arguments for qmake.
+* androiddeployqt_arguments (optional) additional arguments for androiddeployqt.
+
+Below is an example `.drone.yml` that uses this plugin.
+
+```yaml
+kind: pipeline
+name: default
+
+steps:
+- name: run itsblue.dev/plugins/qt-android plugin
+  image: itsblue.dev/plugins/qt-android
+  pull: if-not-exists
+  settings:
+    qmake_attributes: "CONFIG+=release"
+    androiddeployqt_attributes: "--aab"
+```
+
+# Building
+
+Build the plugin image:
+
+```text
+docker build -t itsblue.dev/plugins/qt-android -f Dockerfile .
+```
+
+# Testing
+
+Execute the plugin from your current working directory:
+
+```text
+docker run --rm -e PLUGIN_FOLDER=public -e PLUGIN_SSH_KEY=foo \
+  -e DRONE_COMMIT_SHA=8f51ad7884c5eb69c11d260a31da7a745e6b78e2 \
+  -e DRONE_COMMIT_BRANCH=master \
+  -e DRONE_BUILD_NUMBER=43 \
+  -e DRONE_BUILD_STATUS=success \
+  -e PLUGIN_QMAKE_ARGUMENTS="CONFIG+=release"
+  -e PLUGIN_ANDROIDDEPLOYQT_ARGUMENTS="--aab"
+  -w /drone/src \
+  -v $(pwd):/drone/src \
+  itsblue.dev/plugins/qt-android
+```

qt-build

@@ -6,6 +6,12 @@ set -e
 
 SRC_DIR=$(pwd)
 
+echo "**** environment: ****"
+echo "* QMAKE_ARGUMENTS=${QMAKE_ARGUMENTS}"
+echo "* ANDROIDDEPLOYQT_ARGUMENTS=${PLUGIN_ANDROIDDEPLOYQT_ARGUMENTS}"
+echo "* SRC_DIR=${SRC_DIR}"
+echo "**********************"
+echo ""
 echo "**** prepare ****"
 rm -rf /build
 mkdir -p /build