Farm Solution Deployment PowerShell Command

sharePointdeployment.ps1

Add-PSSnappin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue

$SolutionPackageName = "name.wsp"
$SolutionPackagePath = "projectname\name.wsp"

$solution = Get-SPSolution | where-object {$_.name -eq $SolutionPackageName}

if($solution -ne $null)
{
  if($solution.Deployed -eq $true)
  {
    Uninstall-SPSolution -Identity $SolutionPackageName -Local -Confirm:$false
  }
  Remove-SPSolution -Identity $SolutionPackageName -Confirm:$false
}

Write-Host "Installing Solution..."
Add-SPSolution -LiteralPath $SolutionPackagePath

Install-SPSolution -Identity $SolutionPackageName -Local -GACDeployment
Write-Host "Deployment Complete"