WarmuP equivalent via power shell, using Github. Will take a zip from a given Git-hub location (https://github.com/{OrgOrUserName}/{Project} and pull it down and swap out the old project name for a new project name. You can now push this to a new origin or do what you will.

WarmUpForGithub.ps1

function Select-UniqueChildrenWithStringPattern {
	param($path, $pattern)
	Get-ChildItem $path -Recurse -exclude *.exe,*.dll,*.pdb,*.jpg,*.png,*.gif,*.mst,*.msi,*.msm,*.gitignore,*.idx,*.pack,*.suo,*.ico,*.nupkg,*.zip,*.7z      | 
		Select-String -Pattern $pattern  | 
		Where-Object { $_ -ne $null } | 
    Select-Object Path -Unique 
}
 
function String-ReplaceRecursive {
	param($path, $pattern, $replaceValue)
	(Select-UniqueChildrenWithStringPattern $path $pattern) |
	% { 
    if(test-path $_.Path){
      $content = Get-Content -path $_.Path 
      $content  | % {	$_ -replace $pattern , $replaceValue } | Set-Content $_.Path
    }
    else{
      Write-Output ("Path doesnt exist" + $_.Path)
    }
	}
}
 
function File-ReplaceTokenRecursive {
	param($path, $pattern, $replaceValue)
	ls -Path $path -Filter "*$pattern*" -Recurse | 
    Rename-Item -NewName {$_.Name -replace $pattern, $replaceValue}
}
 
$ErrorActionPreference = "stop"
 
$orgName = Read-Host 'What is your git hub base account? eg Organisation name'
$templateProject = Read-Host 'What is the git hub repo you wish to copy?'
$newProject = Read-Host 'What is the new project name?'
 
$username = Read-Host 'What is your git hub username?'
 
curl -u $username -L -O https://github.com/$orgName/$templateProject/archive/master.zip
 
Expand-Archive -Path '.\master.zip' -OutputPath '.\' -Force -ShowProgress
 
robocopy "$templateProject-master" "." /E /MOVE
 
String-ReplaceRecursive . $templateProject $newProject
File-ReplaceTokenRecursive . $templateProject $newProject
 
rm .\master.zip -Force

Input stream can get in the mix so we test path before string replacement

Excluding binaries