adds Drone.io support (SkipLint)

.drone.yml

@@ -0,0 +1,25 @@
+---
+kind: pipeline
+type: docker
+name: Linux_PWSH7_Build
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+  - name: Environments
+    image: mcr.microsoft.com/powershell:latest
+    commands:
+      - pwsh -NonInteractive -c "& {Import-Module './tools/DroneIO.psm1' -Verbose; Invoke-ShowEnv -Verbose}"
+      - pwsh -NonInteractive -c "& {Import-Module './tools/DroneIO.psm1' -Verbose; Invoke-InstallDependencies -Verbose}"
+  - name: LintTests
+    image: mcr.microsoft.com/powershell:latest
+    commands:
+      - pwsh -NonInteractive -c "& {Import-Module './tools/DroneIO.psm1'; Invoke-InstallDependencies}"
+      - pwsh -NonInteractive -c "& {Import-Module './tools/DroneIO.psm1'; Invoke-Linter}"
+  - name: UnitTests
+    image: mcr.microsoft.com/powershell:latest
+    commands:
+      - pwsh -NonInteractive -c "& {Import-Module './tools/DroneIO.psm1'; Invoke-InstallDependencies}"
+      - pwsh -NonInteractive -c "& {Import-Module './tools/DroneIO.psm1'; Invoke-UnitTests}"

tools/DroneIO.psm1

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+$Global:ProgressPreference = 'SilentlyContinue'
+
+function Invoke-ShowEnv() {
+    [CmdletBinding()]
+    param()
+
+    process {
+        Get-ChildItem -Path 'Env:' | Format-Table | Out-String
+    }
+}
+
+function Invoke-InstallDependencies() {
+    [CmdletBinding()]
+    [OutputType()]
+    param()
+
+    process {
+        try {
+            Install-Module -Name 'PSScriptAnalyzer' -Scope CurrentUser -RequiredVersion '1.19.1' -Force -SkipPublisherCheck -AllowClobber -Verbose:$VerbosePreference -ErrorAction 'Stop'
+            Install-Module -Name 'Pester' -Scope CurrentUser -RequiredVersion '4.10.1' -Force -SkipPublisherCheck -AllowClobber -Verbose:$VerbosePreference -ErrorAction 'Stop'
+            Install-Module -Name 'posh-git' -Scope CurrentUser -RequiredVersion '0.7.3' -Force -SkipPublisherCheck -AllowClobber -Verbose:$VerbosePreference -ErrorAction 'Stop'
+            Install-Module -Name 'PSCoverage' -Scope CurrentUser -Force -SkipPublisherCheck -AllowClobber -RequiredVersion '1.2.108' -Verbose:$VerbosePreference -ErrorAction 'Stop'
+        }
+        catch {
+            $ExceParams = @{
+                Exception   = [System.Exception]::new(
+                    'Could not install required build dependencies!',
+                    $PSItem.Exception
+                )
+                ErrorAction = 'Stop'
+            }
+            Write-Error @ExceParams
+        }
+
+    }
+}
+
+function Invoke-Linter () {
+    [CmdletBinding()]
+    param()
+
+    process {
+        $LintRes = Invoke-ScriptAnalyzer -Path './src/' -Recurse
+        if (-not ($Env:CI_COMMIT_MESSAGE -match 'SkipLint')) {
+            if ($LintRes ) {
+                $LintRes | Format-List
+                Write-Error -Message 'Lint Errors found!' -ErrorAction Stop
+            }
+            else {
+                Write-Host '== No Lint Errors found! =='
+            }
+        }
+    }
+}
+
+function Invoke-UnitTests {
+    [CmdletBinding()]
+    Param()
+
+    process {
+
+        try {
+            Write-Host '===== Preload internal private functions =====' -ForegroundColor Black -BackgroundColor Yellow
+
+            $Privates = Get-ChildItem -Path (Join-Path -Path $Env:DRONE_WORKSPACE -ChildPath '/src/Private/*') -Include "*.ps1" -Recurse -ErrorAction Stop
+            foreach ($File in $Privates) {
+                if (Test-Path -Path $File.FullName) {
+                    . $File.FullName
+                    Write-Verbose -Message ('Private function dot-sourced: {0}' -f $File.FullName) -Verbose
+                }
+                else {
+                    Write-Warning -Message ('Could not find file: {0} !' -f $File.FullName)
+                }
+            }
+        }
+        catch {
+            $_.Exception.Message | Write-Error
+            throw 'Could not load required private functions!'
+        }
+
+        Write-Host '===== Running Pester =====' -ForegroundColor Black -BackgroundColor Yellow
+        $TestFiles = Get-ChildItem -Path (Join-Path -Path '.' -ChildPath './tests/*.Tests.ps1') -Recurse | Sort-Object -Property Name
+        $TestResults = Invoke-Pester -Script $TestFiles -ExcludeTag 'Disabled' -PassThru
+
+        if ($TestResults.FailedCount -gt 0) {
+            throw ('{0} tests failed!' -f $TestResults.FailedCount)
+        }
+    }
+}