Travis deployment (#1014)

* Travis deployment

* Executable scripts

.travis/build.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+if [ -z "$TRAVIS_TAG" ]; then
+    ./gradlew clean buildStandardDebug
+
+    git fetch --unshallow #required for commit count
+    COMMIT_COUNT=$(git rev-list --count HEAD)
+    export ARTIFACT="tachiyomi-r${COMMIT_COUNT}.apk"
+
+    mv app/build/outputs/apk/app-standard-debug.apk $ARTIFACT
+else
+    ./gradlew clean buildStandardRelease
+
+    TOOLS="${ANDROID_HOME}/build-tools/26.0.1"
+    export ARTIFACT="tachiyomi-${TRAVIS_TAG}.apk"
+
+    ${TOOLS}/zipalign -v -p 4 app/build/outputs/apk/app-standard-release-unsigned app-aligned.apk
+    ${TOOLS}/apksigner sign --ks $STORE_PATH --ks-key-alias $STORE_ALIAS --ks-pass env:STORE_PASS --key-pass env:KEY_PASS --out $ARTIFACT app-aligned.apk
+fi

.travis/deploy.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+pattern="tachiyomi-r*"
+files=( $pattern )
+export ARTIFACT="${files[0]}"
+
+if [ -z "$ARTIFACT" ]; then
+    echo "Artifact not found"
+    exit 1
+fi
+
+export SSHOPTIONS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -i ${DEPLOY_KEY}"
+
+scp $SSHOPTIONS $ARTIFACT $DEPLOY_USER@$DEPLOY_HOST:builds/
+ssh $SSHOPTIONS $DEPLOY_USER@$DEPLOY_HOST ln -sf builds/$ARTIFACT builds/latest