runner-images-sangeeth/images.CI/lint-shebang.ps1

$ErrorActionPreference = "Stop"

function Validate-Scripts {
    Param (
        [Parameter(Mandatory=$true)]
        [string[]]$Path,
        [Parameter(Mandatory=$true)]
        [string]$ExpectedShebang
    )
     $ScriptWithoutShebangLine = @()
     Get-ChildItem $path -Recurse -File -Filter "*.sh" | ForEach-Object {
       $shebangLine = Get-Content -Path $($_.FullName) | Select-Object -First 1
       if ($shebangLine -eq $ExpectedShebang) {
            Write-Host "Pattern '$ExpectedShebang' found in '$($_.FullName)'"
       }
       else {
            Write-Host "Pattern '$ExpectedShebang' not found in '$($_.FullName)'"
            $ScriptWithoutShebangLine += $($_.FullName)
       }
    }
    return $ScriptWithoutShebangLine
}

$PathUbuntu = "./images/linux/scripts"
$PathMacOS = "./images/macos/provision"
$ScriptsWithBrokenShebang = @()
# Check Ubuntu contains required shebang string
$ScriptsWithBrokenShebang += Validate-Scripts -Path $PathUbuntu -Pattern "#!/bin/bash -e"
# Check MacOS contains required shebang string
$ScriptsWithBrokenShebang += Validate-Scripts -Path $PathMacOS -Pattern "#!/bin/bash -e -o pipefail"
if ($ScriptsWithBrokenShebang.Length -gt 0) {
    $ScriptsWithBrokenShebang | ForEach-Object {
        Write-Warning "The following script does not contain shebang: '$_'"
  }
    exit 1
}