Travis -> GitHub actions

Author: joonas-fi

.github/workflows/build.yml

@@ -0,0 +1,18 @@
+name: Build
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Download Turbo Bob
+      run: curl --fail --location --output bob https://dl.bintray.com/function61/dl/turbobob/20200220_1142_9c1ea959/bob_linux-amd64 && chmod +x bob
+    - name: Build with Turbo Bob
+      run: CI_REVISION_ID="$GITHUB_SHA" ./bob build --publish-artefacts
+      # unfortunately there doesn't seem to be a way to "expose all secrets", so you must
+      # list here each secret to pass on to the build
+      env:
+        BINTRAY_CREDS: ${{ secrets.BINTRAY_CREDS }}
+        DOCKER_CREDS: ${{ secrets.DOCKER_CREDS }}

.travis.yml

@@ -1,4 +1,4 @@
-[![Build Status](https://img.shields.io/travis/function61/ubackup.svg?style=for-the-badge)](https://travis-ci.org/function61/ubackup)
+![Build status](https://github.com/function61/ubackup/workflows/Build/badge.svg)
 [![Download](https://img.shields.io/bintray/v/function61/dl/ubackup.svg?style=for-the-badge&label=Download)](https://bintray.com/function61/dl/ubackup/_latestVersion#files)
 [![Download](https://img.shields.io/docker/pulls/fn61/ubackup.svg?style=for-the-badge)](https://hub.docker.com/r/fn61/ubackup/)