new script: GenerateReleaseMetadata (#170)

GenerateReleaseMetadata.ps1

@@ -0,0 +1,194 @@
+Param(
+    [Parameter(Mandatory=$true,HelpMessage="Path to Artifact files (nupkg):")]
+    [string]
+    $artifactsPath,
+    [Parameter(Mandatory=$true,HelpMessage="Path to Source files (changelog):")]
+    [string]
+    $sourcePath,
+    [Parameter(Mandatory=$false,HelpMessage="Path to save metadata:")]
+    [string]
+    $outPath
+) 
+
+class PackageInfo {
+    [string]$Name
+    [string]$NuspecVersion
+    [string]$DllVersion
+    [string]$MyGetUri
+
+    PackageInfo([string]$name, [string]$nuspecVersion, [string]$dllVersion) {
+        $this.Name = $name
+        $this.NuspecVersion = $nuspecVersion
+        $this.DllVersion = $dllVersion
+
+        $mygetBasePath = "https://www.myget.org/feed/applicationinsights/package/nuget/{0}/{1}"
+        $this.MyGetUri = $mygetBasePath -f $name, $nuspecVersion
+    }
+}
+
+class ReleaseInfo {
+    [string]$ReleaseName
+    [string]$ReleaseVersion
+    [string]$NuspecVersion
+    [string]$FormattedReleaseName
+    [bool]$IsPreRelease
+    [string]$CommitId
+    [string]$ChangeLog
+    [PackageInfo[]]$Packages
+}
+
+Function Get-GitChangeset() {
+    # if running localy, use git command. for VSTS, probably better to use Build.SourceVersion
+    # Git command only works if this script executes in the repo's directory
+    [string]$commit = ""
+    try {
+        $commit = $(Build.SourceVersion)
+    } catch {
+        try {
+            $commit = git log -1 --format=%H
+        } catch {
+            $commit = "not found"
+        }
+    }
+
+    Write-Host "Git Commit: $commit"
+    return [string]$commit
+}
+
+function Get-NuspecVersionName ([string]$version) {
+    # get everything up to word "-build" (ex: "1.2.3-beta1-build1234  returns: "1.2.3-beta1")
+    # get everything (ex: "1.2.3-beta1  returns: "1.2.3-beta1")
+    # get everything (ex: "1.2.3  returns: "1.2.3")
+    $splitVersion = $version.split('-')
+    if($splitVersion.Length -gt 2 ) {
+        return $splitVersion[0]+"-"+$splitVersion[1]
+    } else {
+        return $version
+    }
+}
+
+function Invoke-UnZip([string]$zipfile, [string]$outpath) {
+    Write-Verbose "Unzip - source: $zipfile"
+    Write-Verbose "Unzip - target: $outpath"
+    Add-Type -assembly "system.io.compression.filesystem"
+    [System.IO.Compression.ZipFile]::ExtractToDirectory($zipfile, $outpath)
+}
+
+function Get-PackageInfoFromNupkg([string]$nupkgPath) {
+    $unzipPath = $nupkgPath+"_unzip"
+    $null = Invoke-UnZip $nupkgPath $unzipPath
+
+    $nuspecPath = Get-ChildItem -Path $unzipPath -Recurse -Filter *.nuspec | Select-Object -First 1
+    Write-Verbose ("Found Nuspec: " + $nuspecPath.FullName)
+    [xml]$nuspec = Get-Content $nuspecPath.FullName
+    $name = $nuspec.package.metadata.id
+    $nuspecVersion = $nuspec.package.metadata.version
+
+    $dllPath = Get-ChildItem -Path $unzipPath -Recurse -Filter *.dll | Select-Object -First 1
+    Write-Verbose ("Found Dll: " + $dllPath.FullName)
+    $dllVersion = [System.Diagnostics.FileVersionInfo]::GetVersionInfo($dllPath.FullName).FileVersion
+
+    return [PackageInfo]::new($name, $nuspecVersion, $dllVersion)
+}
+
+function Get-ReleaseMetaData ([string]$artifactsPath, [string]$sourcePath) {
+    $object = [ReleaseInfo]::new()
+    $object.CommitId = Get-GitChangeset
+    $object.Packages = $()
+
+    Get-ChildItem -Path $artifactsPath -Recurse -Filter *.nupkg -Exclude *.symbols.nupkg | 
+        ForEach-Object { $object.Packages += Get-PackageInfoFromNupkg $_.FullName }
+
+    $object.NuspecVersion = $object.Packages[0].NuspecVersion
+    $object.ReleaseName = Get-NuspecVersionName($object.Packages[0].NuspecVersion)
+    $object.ReleaseVersion = $object.Packages[0].DllVersion
+
+    $object.FormattedReleaseName = "$($object.ReleaseName) ($($object.ReleaseVersion))"
+
+    $object.IsPreRelease = [bool]($object.ReleaseName -like "*beta*")
+
+    $object.ChangeLog = Get-ChangelogText $sourcePath $object.ReleaseName
+    return $object
+}
+
+Function Get-ChangelogText ([string]$sourcePath, [string]$versionName) {
+    $sb = [System.Text.StringBuilder]::new()
+    $saveLines = $false
+    $readFile = $true
+
+    $changelogPath = Get-ChildItem -Path $sourcePath -Recurse -Filter changelog.md | Select-Object -First 1
+    Write-Verbose "Changelog Found: $changelogPath"
+    Get-Content -Path $changelogPath.FullName | ForEach-Object {
+
+        if($readFile) {
+
+            if($saveLines) {
+                if($_ -like "##*") {
+                    Write-Verbose "STOP at $_"
+                    $readFile = $false
+                }
+
+                if($readFile) {
+                    [void]$sb.AppendLine($_)
+                }
+            } else {
+                if(($_ -like "##*") -and ($_ -match $versionName)) {
+                    $saveLines = $true
+                    Write-Verbose "START at $_"
+                }
+            }
+        }
+
+    }
+    return $sb.ToString()
+}
+
+Function Save-ToXml([string]$outPath, [ReleaseInfo]$object) {
+    $outFilePath = Join-Path $outPath "releaseMetaData.xml"
+    $xmlWriter = [System.XMl.XmlTextWriter]::new($outFilePath, $Null)
+    $xmlWriter.Formatting = "Indented"
+    $xmlWriter.Indentation = 1
+    $XmlWriter.IndentChar = "`t"
+
+    # write the header
+    $xmlWriter.WriteStartDocument()
+
+    # create root node:
+    $xmlWriter.WriteStartElement("MetaData")
+
+    $XmlWriter.WriteElementString("ReleaseName", $object.ReleaseName)
+    $XmlWriter.WriteElementString("ReleaseVersion", $object.ReleaseVersion)
+    $XmlWriter.WriteElementString("FormattedReleaseName", $object.FormattedReleaseName)
+    $XmlWriter.WriteElementString("NuspecVersion", $object.NuspecVersion)
+    $XmlWriter.WriteElementString("IsPreRelease", $object.IsPreRelease)
+    $XmlWriter.WriteElementString("CommitId", $object.CommitId)
+
+    $XmlWriter.WriteElementString("ChangeLog", $object.ChangeLog)
+
+    $XmlWriter.WriteStartElement("Packages")
+    $object.Packages | ForEach-Object {
+        $XmlWriter.WriteStartElement("Package")
+        $XmlWriter.WriteElementString("Name", $_.Name)
+        $XmlWriter.WriteElementString("NuspecVersion", $_.NuspecVersion)
+        $XmlWriter.WriteElementString("DllVersion", $_.DllVersion)
+        $XmlWriter.WriteElementString("MyGetUri", $_.MyGetUri)
+        $XmlWriter.WriteEndElement()
+    }
+    $XmlWriter.WriteEndElement()
+
+    # close the root node:
+    $xmlWriter.WriteEndElement()
+
+    # finalize the document:
+    $xmlWriter.WriteEndDocument()
+    $xmlWriter.Flush()
+    $xmlWriter.Close()
+}
+
+# 1) GET META DATA FROM ARTIFACTS
+$metaData = Get-ReleaseMetaData $artifactsPath $sourcePath
+Write-Output $metaData
+$metaData.Packages | ForEach-Object { Write-Output $_ }
+
+# 2) SAVE
+Save-ToXml $outPath $metaData