Add Travis CI build scripts (#108 closes #109)

Use FrameworkPathOverride to allow Linux and macOS builds targeting .NET Framework 4.x

.travis.yml

@@ -0,0 +1,35 @@
+language: csharp
+matrix:
+  include:
+    - os: linux
+      dist: trusty
+      mono: latest
+      dotnet: 2.1.3
+      sudo: required
+      env: MONO_BASE_PATH=/usr/lib/mono/
+    - os: osx
+      osx_image: xcode9.2
+      mono: latest
+      dotnet: 2.1.3
+      sudo: required
+      env: MONO_BASE_PATH=/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/
+addons:
+  apt:
+    sources:
+      - sourceline: 'deb [arch=amd64] https://packages.microsoft.com/repos/microsoft-ubuntu-trusty-prod trusty main'
+        key_url: 'https://packages.microsoft.com/keys/microsoft.asc'
+    packages:
+      - dotnet-dev-1.1.6
+      - dotnet-sdk-2.1.3
+before_install:
+  - |
+    if [ "$TRAVIS_OS_NAME" == "osx" ]; then
+      DOTNET_INSTALL_DIR="$PWD/.dotnetsdk"
+      curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin --version "1.1.6" --install-dir "$DOTNET_INSTALL_DIR" --no-path
+      curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin --version "2.1.3" --install-dir "$DOTNET_INSTALL_DIR" --no-path
+      export PATH="$DOTNET_INSTALL_DIR:$PATH"
+    fi
+script:
+  - FrameworkPathOverride=$MONO_BASE_PATH/4.5-api/ $(pwd)/tools/build.sh '-target=Test' "-softwareVersion=$(git describe --abbrev=0 --tags | cut -c 2-)"
+notifications:
+  email: false

tools/build.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+function findPackageAssembly {
+    dir=$1
+    packageName=$2
+    assemblyName=$3
+    echo $(find "$dir/$packageName" -name "$assemblyName")
+}
+
+function installPackage {
+    dir=$1
+    packageName=$2
+    echo "Installing $packageName in $dir..."
+    mkdir -p $dir
+    contents='<Project Sdk="Microsoft.NET.Sdk"><PropertyGroup><TargetFramework>netstandard1.5</TargetFramework></PropertyGroup></Project>'
+    proj="$packagesDir/project.csproj"
+    echo $contents > $proj
+    dotnet add "$proj" package $packageName --package-directory $dir
+}
+
+scriptDir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+
+rootDir=$scriptDir; while [ $(ls -Ald "$rootDir/.git" 2>/dev/null | wc -l) -eq 0 ]; do rootDir="$rootDir/.."; done
+srcDir="$rootDir/src"
+toolsDir="$rootDir/tools"
+packagesDir="$toolsDir/cake"
+cakePackageName='cake.coreclr'
+cakeAssemblyName='Cake.dll'
+cakeAssemblyPath=$(findPackageAssembly $packagesDir $cakePackageName $cakeAssemblyName)
+if [ ! -f "$cakeAssemblyPath" ]; then
+    installPackage $packagesDir $cakePackageName
+    cakeAssemblyPath=$(findPackageAssembly $packagesDir $cakePackageName $cakeAssemblyName)
+    if [ ! -f "$cakeAssemblyPath" ]; then
+        echo "Cannot find Cake assembly '$cakeDll'"
+        exit 1
+    fi
+fi
+cakeScript="$scriptDir/build.cake"
+
+dotnet "$cakeAssemblyPath" "$cakeScript" "-srcDir=$srcDir" "-toolsDir=$toolsDir" "-commitHash=$(git rev-parse --short HEAD)" "$@"