Creates GitHub Actions CI configuration

.github/workflows/ci.yaml

@@ -0,0 +1,39 @@
+name: Continuous Integration
+
+on:
+  workflow_call:
+  pull_request:
+    branches: ['*']
+  push:
+    branches: ['*']
+
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  build:
+    name: Build and Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v2
+
+      - name: Setup Java and Scala
+        uses: olafurpg/setup-scala@v10
+        with:
+          java-version: adopt@1.8
+
+      - name: Cache sbt
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.sbt
+            ~/.ivy2/cache
+            ~/.coursier/cache/v1
+            ~/.cache/coursier/v1
+            ~/AppData/Local/Coursier/Cache/v1
+            ~/Library/Caches/Coursier/v1
+          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+
+      - name: Build, test, and package project
+        run: bin/sbt clean compile test package makePom

.github/workflows/release.yaml

@@ -0,0 +1,19 @@
+name: Release
+
+on:
+  push:
+    tags: "[1-9]+.[0-9]+.[0-9]+"
+    branches: master
+
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  build:
+    uses: target/data-validator/.github/workflows/ci.yaml@main
+  deploy:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      # uses sbt-github-packages, see build.sbt
+      - run: bin/sbt publish

build.sbt

@@ -62,3 +62,14 @@ scalastyleFailOnWarning := true
 scalastyleFailOnError := true
 compileScalastyle := (Compile / scalastyle).toTask("").value
 (Compile / compile) := ((Compile / compile) dependsOn compileScalastyle).value
+
+// Publishing
+githubOwner := "target"
+githubRepository := "data-validator"
+// this unfortunately must be set strangely because GitHub requires a token for pulling packages
+// and sbt-github-packages does not allow the user to configure the resolver not to be used.
+// https://github.com/djspiewak/sbt-github-packages/issues/28
+githubTokenSource := ( TokenSource.Environment("GITHUB_TOKEN") ||
+                       TokenSource.GitConfig("github.token") ||
+                       TokenSource.Environment("SHELL") ) // it's safe to assume this exists and is not unique
+

project/plugins.sbt

@@ -1,3 +1,5 @@
 addSbtPlugin("org.scalastyle" %% "scalastyle-sbt-plugin" % "1.0.0")
 addSbtPlugin("com.typesafe.sbt" % "sbt-git" % "1.0.0")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.9.0")
+addSbtPlugin("com.codecommit" % "sbt-github-packages" % "0.5.3")
+