Git Flow installation for Git for Windows

Install-Git-Flow.ps1

###<summary>
###  Install script for GIT FLOW
###</summary>
###<remarks>
###  Installs GIT FLOW into user binary directory of Windows GIT x64 installation
###</remarks>
###<revisionHistory>
###  <revision version="2026.01.28" date="2026-01-28" author="Voltra, github.com/Voltra">Custom tweaks</revision>
###  <revision version="2025.11.07" date="2025-11-07" author="Holger Boskugel, github.com/SphereSoftNET">Initial version</revision>
###</revisionHistory>

Write-Host ' '
Write-Host "#############################################################################"
Write-Host "# Install GIT FLOW                                              v2026.01.28 #"
Write-Host "#############################################################################"
Write-Host ' '

if(!(New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator))
{
  Write-Error "Admin rights required!"
  
  exit
}

$version = '1.12.3'
$gitUsrBinPath = 'D:\prgm\Git\usr\bin'
$filePathZip = Join-Path $([IO.Path]::GetTempPath()) "gitflow-avh.$($version).zip"
$directoryPathUnZip = Join-Path $([IO.Path]::GetTempPath()) "gitflow-avh-$($version)"

if(Test-Path $filePathZip)
{
  Remove-Item $filePathZip `
              -Force
}

if(Test-Path $directoryPathUnZip)
{
  Remove-Item $directoryPathUnZip `
              -Recurse `
              -Force
}

Write-Host "Download release source archive to ""$($filePathZip)"" ..."

Invoke-WebRequest "https://github.com/petervanderdoes/gitflow-avh/archive/refs/tags/$($version).zip" `
                  -OutFile $filePathZip

Write-Host 'Done.'
Write-Host ' '
Write-Host "Expand release source archive to ""$($directoryPathUnZip)"" ..."

Expand-Archive $filePathZip `
               $(Split-Path $directoryPathUnZip `
                            -Parent)

Write-Host 'Done.'
Write-Host ' '
Write-Host "Copy GIT FLOW scripts to "$($gitUsrBinPath)" ..."

Copy-Item $(Join-Path $directoryPathUnZip 'git*') `
          $gitUsrBinPath `
          -Force

Write-Host 'Done.'

if(Test-Path $filePathZip)
{
  Remove-Item $filePathZip `
              -Force
}

if(Test-Path $directoryPathUnZip)
{
  Remove-Item $directoryPathUnZip `
              -Recurse `
              -Force
}

Write-Host ' '