Auto-release

Jenkins/release.ps1

@@ -0,0 +1,52 @@
+param([string] $ApiBase, [string]$tagName, [string]$authinfo, [string[]] $assetPaths)
+Add-Type -AssemblyName "System.Web"
+
+$headers = @{
+    Authorization = "Basic " + [System.Convert]::ToBase64String([System.Text.Encoding]::ASCII.GetBytes($authinfo))
+    Accept = "application/vnd.github.v3+json"
+}
+try
+{
+	Write-Output("Checking if release with tag " + $tagName + " already exists...")
+	$release = Invoke-RestMethod -Uri ($ApiBase+"releases/tags/$tagName") -Method "GET" -Headers $headers
+	Write-Output("    Using existing release " + $release.id + " at " + $release.html_url)
+} catch {
+	Write-Output("    Doesn't exist")
+	$rel_arg = @{
+	    tag_name=$tagName
+	    name="Generated $tagName"
+	    body=""
+	    draft=$FALSE
+		prerelease=$tagName.Contains("alpha") -or $tagName.Contains("beta")
+	}
+	Write-Output("Creating new release " + $tagName + "...")
+	$release = Invoke-RestMethod -Uri ($ApiBase+"releases") -Method "POST" -Headers $headers -Body (ConvertTo-Json($rel_arg))
+	Write-Output("    Created new release " + $tagName + " at " + $release.html_url)
+}
+
+$assetsApiBase = $release.assets_url
+Write-Output("Checking for existing assets...")
+$existingAssets = Invoke-RestMethod -Uri ($assetsApiBase) -Method "GET" -Headers $headers
+$assetLabels = ($assetPaths | ForEach-Object {[System.IO.Path]::GetFileName($_)})
+foreach ($asset in $existingAssets) {
+	if ($assetLabels -contains $asset.name) {
+		$uri = $asset.url
+		Write-Output("    Deleting old asset " + $asset.name + " (id " + $asset.id + "); URI=" + $uri)
+		$result = Invoke-RestMethod -Uri $uri -Method "DELETE" -Headers $headers
+	}
+}
+Write-Output("Uploading assets...")
+$uploadUrl = $release.upload_url.Substring(0, $release.upload_url.LastIndexOf('{'))
+foreach ($asset in $assetPaths) {
+	$assetName = [System.IO.Path]::GetFileName($asset)
+	$assetType = [System.Web.MimeMapping]::GetMimeMapping($asset)
+	$assetData = [System.IO.File]::ReadAllBytes($asset)
+	$headerExtra = $headers + @{
+		"Content-Type" = $assetType
+		Name = $assetName
+	}
+	$uri = $uploadUrl + "?name=" + $assetName
+	Write-Output("    Uploading " + $asset + " as " + $assetType + "; URI=" + $uri)
+	$result = Invoke-RestMethod -Uri $uri -Method "POST" -Headers $headerExtra -Body $assetData
+	Write-Output("        ID=" + $result.id + ", found at=" + $result.browser_download_url)
+}

Jenkinsfile

@@ -54,4 +54,14 @@ node {
 
 		archiveArtifacts artifacts: 'bin/x64/Release/Torch*', caseSensitive: false, fingerprint: true, onlyIfSuccessful: true
 	}
+
+	gitVersion = bat(returnStdout: true, script: "@git describe --tags").trim()
+	gitSimpleVersion = bat(returnStdout: true, script: "@git describe --tags --abbrev=0").trim()
+	if (gitVersion == gitSimpleVersion) {
+		stage('Release') {
+			withCredentials([usernamePassword(credentialsId: 'e771beac-b3ee-4bc9-82b7-40a6d426d508', usernameVariable: 'USERNAME', passwordVariable: 'PASSWORD')]) {
+				powershell "./Jenkins/release.ps1 \"https://api.github.com/repos/TorchAPI/Torch/\" \"$gitSimpleVersion\" \"$USERNAME:$PASSWORD\" @(\"bin/torch-server.zip\", \"bin/torch-client.zip\")"
+			}
+		}
+	}
 }