Add appveyor

SnipeItPS.build.ps1

@@ -19,6 +19,28 @@ $env:PSModulePath = "$($env:PSModulePath);$releasePath"
 # Ensure Invoke-Build works in the most strict mode.
 Set-StrictMode -Version Latest
 
+task ShowDebug {
+    Write-Build Gray
+    Write-Build Gray ('Project name:               {0}' -f $env:APPVEYOR_PROJECT_NAME)
+    Write-Build Gray ('Project root:               {0}' -f $env:APPVEYOR_BUILD_FOLDER)
+    Write-Build Gray ('Repo name:                  {0}' -f $env:APPVEYOR_REPO_NAME)
+    Write-Build Gray ('Branch:                     {0}' -f $env:APPVEYOR_REPO_BRANCH)
+    Write-Build Gray ('Commit:                     {0}' -f $env:APPVEYOR_REPO_COMMIT)
+    Write-Build Gray ('  - Author:                 {0}' -f $env:APPVEYOR_REPO_COMMIT_AUTHOR)
+    Write-Build Gray ('  - Time:                   {0}' -f $env:APPVEYOR_REPO_COMMIT_TIMESTAMP)
+    Write-Build Gray ('  - Message:                {0}' -f $env:APPVEYOR_REPO_COMMIT_MESSAGE)
+    Write-Build Gray ('  - Extended message:       {0}' -f $env:APPVEYOR_REPO_COMMIT_MESSAGE_EXTENDED)
+    Write-Build Gray ('Pull request number:        {0}' -f $env:APPVEYOR_PULL_REQUEST_NUMBER)
+    Write-Build Gray ('Pull request title:         {0}' -f $env:APPVEYOR_PULL_REQUEST_TITLE)
+    Write-Build Gray ('AppVeyor build ID:          {0}' -f $env:APPVEYOR_BUILD_ID)
+    Write-Build Gray ('AppVeyor build number:      {0}' -f $env:APPVEYOR_BUILD_NUMBER)
+    Write-Build Gray ('AppVeyor build version:     {0}' -f $env:APPVEYOR_BUILD_VERSION)
+    Write-Build Gray ('AppVeyor job ID:            {0}' -f $env:APPVEYOR_JOB_ID)
+    Write-Build Gray ('Build triggered from tag?   {0}' -f $env:APPVEYOR_REPO_TAG)
+    Write-Build Gray ('  - Tag name:               {0}' -f $env:APPVEYOR_REPO_TAG_NAME)
+    Write-Build Gray ('PowerShell version:         {0}' -f $PSVersionTable.PSVersion.ToString())
+    Write-Build Gray
+}
 
 # region build
 # Synopsis: Build shippable release

appveyor.yml

@@ -0,0 +1,59 @@
+############################################################
+#
+# See http://www.appveyor.com/docs/appveyor-yml for many more options
+#
+# Credit for a lot of this file goes to RamblingCookieMonster:
+# https://github.com/RamblingCookieMonster/PSSQLite/blob/master/appveyor.yml
+#
+############################################################
+
+# This tells AppVeyor that we need WMF 5 and PowerShell 5.0
+os: WMF 5
+
+environment:
+    # To encrypt a value in AppVeyor, go to the Account menu and choose "Encrypt data"
+
+version: 1.0.{build}
+
+# Don't rebuild when I tag a release on GitHub
+skip_tags: true
+
+# Ignore testing a commit if only the readme changed
+# Or if I include "skip-tests" in the commit message
+skip_commits:
+  message: /skip\-tests/
+  files:
+    - .github/
+    - .vscode/
+    - assets/
+    - Tools/
+    - README.md
+    - .gitattributes
+    - .gitignore
+
+# PRs, by definition, don't change anything and therefore should not increment the version
+# To be fair, this is not important, and is really just AppVeyor enabling my pedantry
+pull_requests:
+  do_not_increment_build_number: true
+
+install:
+    - ps: |
+        Install-PackageProvider -Name NuGet -MinimumVersion 2.8.5.201 -Force | Out-Null
+        Install-Module InvokeBuild -Scope CurrentUser -Force
+        Install-Module BuildHelpers -Scope CurrentUser -Force
+        Install-Module Pester -Scope CurrentUser -Force
+        Install-Module PSScriptAnalyzer -Scope CurrentUser -Force
+        $env:releasePath = "$($pwd.Path)\Release"
+
+before_build:
+    - ps: Invoke-Build -Task ShowDebug
+
+build_script:
+    - ps: Invoke-Build -Task Build
+
+# after_build:
+    # - cmd: mdspell %releasePath%\**/*.md --ignore-numbers --ignore-acronyms --report
+
+test_script:
+    - ps: Invoke-Build -Task Test
+