Switching build to use VS2017 and VSWhere

Author: Jeavon

.gitignore

@@ -4,6 +4,9 @@
 #VS 2015 hidden folder
 src/.vs/*
 
+build/tools/vswhere.2.0.2
+build/tools/vswhere.exe
+
 artifacts/*
 
 # User-specific files

appveyor.yml

@@ -1,4 +1,4 @@
-os: Visual Studio 2015
+os: Visual Studio 2017
 
 # Version format
 version: 0.5.10.{build}

build-appveyor.cmd

@@ -3,5 +3,35 @@ ECHO APPVEYOR_REPO_TAG: %APPVEYOR_REPO_TAG%
 ECHO APPVEYOR_BUILD_NUMBER : %APPVEYOR_BUILD_NUMBER%
 ECHO APPVEYOR_BUILD_VERSION : %APPVEYOR_BUILD_VERSION%
 
-CALL build\tools\NuGet.exe restore src\UmbracoFileSystemProviders.Azure.sln
-CALL "%programfiles(x86)%\MSBuild\14.0\Bin\MsBuild.exe" build\package.proj
+CALL NuGet.exe restore src\UmbracoFileSystemProviders.Azure.sln
+
+cd build
+
+SET toolsFolder=%CD%\tools\
+IF NOT EXIST "%toolsFolder%" (
+	MD tools
+)
+
+IF NOT EXIST "%toolsFolder%vswhere.exe" (
+	ECHO vswhere not found - fetching now
+	nuget install vswhere -Version 2.0.2 -Source nuget.org -OutputDirectory tools
+)
+
+FOR /f "delims=" %%A in ('dir "%toolsFolder%vswhere.*" /b') DO SET "vswhereExePath=%toolsFolder%%%A\"
+MOVE "%vswhereExePath%tools\vswhere.exe" "%toolsFolder%vswhere.exe"
+
+for /f "usebackq tokens=1* delims=: " %%i in (`"%CD%\tools\vswhere.exe" -latest -requires Microsoft.Component.MSBuild`) do (
+  if /i "%%i"=="installationPath" set InstallDir=%%j
+)
+
+SET VSWherePath="%InstallDir%\MSBuild"
+
+ECHO.
+ECHO Visual Studio is installed in: %InstallDir%
+
+CALL "%InstallDir%\MSBuild\15.0\Bin\amd64\MsBuild.exe" package.proj %~1
+
+@IF %ERRORLEVEL% NEQ 0 GOTO err
+@EXIT /B 0
+:err
+@EXIT /B 1

src/UmbracoFileSystemProviders.Azure.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 14
-VisualStudioVersion = 14.0.25420.1
+# Visual Studio 15
+VisualStudioVersion = 15.0.26430.16
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UmbracoFileSystemProviders.Azure", "UmbracoFileSystemProviders.Azure\UmbracoFileSystemProviders.Azure.csproj", "{749BC432-144A-4250-9066-D1FE170AFE42}"
 EndProject
@@ -15,6 +15,8 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "BuildPackage", "BuildPackage", "{DDE4D2E6-E526-4CB3-BECE-D89DFFB37B10}"
 	ProjectSection(SolutionItems) = preProject
 		..\appveyor.yml = ..\appveyor.yml
+		..\build-appveyor.cmd = ..\build-appveyor.cmd
+		..\build.cmd = ..\build.cmd
 		..\build\transforms\FileSystemProviders.config.install.xdt = ..\build\transforms\FileSystemProviders.config.install.xdt
 		..\build\transforms\FileSystemProviders.config.uninstall.xdt = ..\build\transforms\FileSystemProviders.config.uninstall.xdt
 		..\build\transforms\imageprocessor.web.config.install.xdt = ..\build\transforms\imageprocessor.web.config.install.xdt