Added support to generate Windows Installer

Signed-off-by: Rahul Somasundaram <ssrahul96@gmail.com>

.circleci/config.yml

@@ -1,5 +1,9 @@
 ---
-version: 2
+version: 2.1
+
+orbs:
+  win: circleci/windows@2.2.0
+  azure-cli: circleci/azure-cli@1.0.0
 
 jobs:
   build:
@@ -29,6 +33,40 @@ jobs:
       - deploy:
           name: deploy
           command: .circleci/deploy.sh
+      - persist_to_workspace:
+          root: .
+          paths:
+            - _dist/windows-amd64/*
+  
+  generate-windows-installer:
+    executor: win/default
+    steps:
+      - checkout
+      - attach_workspace:
+          at: 'C:\tmp\workspace'
+      - run:
+          name: Copy from Workspace
+          command: Copy-Item -Path "C:\tmp\workspace\_dist\*" -Destination "package\" -Recurse
+      - run:
+          name: install innosetup and build
+          command: Set-Location package; dir; .\build.ps1
+      - persist_to_workspace:
+          root: .
+          paths:
+           - ./package/Output/*
+      - store_artifacts:
+          path: ./package/Output/
+    
+  upload-binary:
+    executor: azure-cli/default
+    steps:
+      - azure-cli/install
+      - attach_workspace:
+          at: '/tmp/workspace'
+      - run:
+          name: Upload binary
+          command: cd /tmp/workspace/package/Output; az storage blob upload-batch -s . -d "$AZURE_STORAGE_CONTAINER_NAME" --pattern 'helm-*' --connection-string "$AZURE_STORAGE_CONNECTION_STRING"
+
 
 workflows:
   version: 2
@@ -38,3 +76,16 @@ workflows:
           filters:
             tags:
               only: /.*/
+      - generate-windows-installer:
+          requires:
+            - build
+          filters:
+            tags:
+              only: /.*/
+      - upload-binary:
+          requires:
+            - build
+            - generate-windows-installer
+          filters:
+            tags:
+              only: /.*/

package/build.ps1

@@ -0,0 +1,46 @@
+if (![string]::IsNullOrEmpty(${Env:CIRCLE_PR_NUMBER})) {
+    Write-Host "Skipping deploy step; as this is a PR"
+    exit;
+}
+
+if (![string]::IsNullOrEmpty(${Env:CIRCLE_TAG})) {
+    $ci_version = ${Env:CIRCLE_TAG}
+}
+elseif ( ${Env:CIRCLE_BRANCH} -eq "main" ) {
+    $ci_version = "canary"
+}
+else {
+    Write-Host "Skipping deploy step; this is neither a releasable branch or a tag"
+    exit;
+}
+
+Invoke-WebRequest -Uri https://jrsoftware.org/download.php/is.exe -OutFile inno.exe
+
+$process = Start-Process -FilePath .\inno.exe -ArgumentList "/VERYSILENT", "/NORESTART" -NoNewWindow -PassThru -Wait
+
+$process.WaitForExit()
+
+Write-Host "Inno installer exit code : " $process.ExitCode
+
+$binary_name = "helm-" + $ci_version + "-windows-amd64"
+
+Write-Host "App Version :" $ci_version "Binary Name :" $binary_name
+
+$process = Start-Process -FilePath ${Env:ProgramFiles(x86)}"\Inno Setup 6\ISCC.exe" -ArgumentList "helm_installer.iss", "/Dversion=$ci_version", "/Dopname=$binary_name" -NoNewWindow -PassThru -Wait
+
+$process.WaitForExit()
+
+Write-Host "Inno Compiler exit code : " $process.ExitCode
+
+
+$output = "Output\"
+$binary_path = $output + $binary_name + ".exe"
+
+$hash = Get-FileHash -Path $binary_path -Algorithm SHA256
+
+$opsha = $output + [System.IO.Path]::GetFileName($hash.Path) + $hash.Algorithm.ToLower()
+$hash.Hash > $opsha
+
+$opshasum = $opsha + "sum"
+
+$hash.Hash + "  " + $binary_name + ".exe" > $opshasum

package/helm_installer.iss

@@ -0,0 +1,34 @@
+[Setup]
+AppName=Helm
+AppVersion={#version}
+DefaultDirName={autopf}\Helm
+DefaultGroupName=Helm
+PrivilegesRequired=lowest
+AppPublisher=Helm
+AppPublisherURL=https://helm.sh
+AppSupportURL=https://github.com/helm/helm
+LicenseFile="windows-amd64\LICENSE"
+OutputBaseFilename={#opname}
+
+[Files]
+Source: "windows-amd64\*" ; DestDir: "{app}\bin";
+
+[Registry]
+Root: "HKCU"; Subkey: "Environment"; ValueType: expandsz; ValueName: "Path"; ValueData: "{olddata};{app}\bin"; Check: NeedsAddPathHKCU(ExpandConstant('{app}\bin'))
+
+[Code]
+function NeedsAddPathHKCU(Param: string): boolean;
+var
+OrigPath: string;
+begin
+if not RegQueryStringValue(HKEY_CURRENT_USER,
+'Environment',
+'Path', OrigPath)
+then begin
+Result := True;
+exit;
+end;
+// look for the path with leading and trailing semicolon
+// Pos() returns 0 if not found
+Result := Pos(';' + Param + ';', ';' + OrigPath + ';') = 0;
+end;