Add-Git.psm1
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# Setup TLS [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 # Thanks to John Freeman: https://stackoverflow.com/a/54935264/238074 function New-TemporaryDirectory { $parent = [System.IO.Path]::GetTempPath() do { $name = [System.IO.Path]::GetRandomFileName() $item = New-Item -Path $parent -Name $name -ItemType "directory" -ErrorAction SilentlyContinue } while (-not $item) return $Item.FullName } function Add-Git { <# .Synopsis Installs Git-for-Windows. .Description Installs Git-for-Windows (https://gitforwindows.org/) on a Windows machine. Installs latest 64-bit version. Install location is C:\Program Files\Git (default). This software is copyright New Context Security and open sourced under the MIT License, 2019 version. See more details at https://opensource.org/licenses/MIT . Author: Kevin Buchs. .Parameter InstallPath Parent directory under which you want Git installed. Default is "C:\Program Files" .Inputs None .Outputs A few logging messages via Write-Host and a potential Write-Error .Notes Full example: Add-Git # Add git binary paths to PATH variable and get gitting $env:PATH += ";c:\program files\git\bin;c:\program files\git\usr\bin" git clone http://repo.example.com .Link https://github.com/newcontext-oss/add-git .Link https://gitforwindows.org/ .Link https://newcontext.com #> [CmdletBinding()] param( [string]$InstallPath = "C:\Program Files" ) $tempDir = New-TemporaryDirectory $cfgFile = "$tempDir\gitinstaller.inf" $installer = "$tempDir\gitinstaller.exe" # First, find latest version of Git for Windows $url="https://api.github.com/repos/git-for-windows/git/releases/latest" $latestInfo = Invoke-WebRequest $url | ConvertFrom-Json ` | Select-Object -expandproperty html_url # example: $latestInfo="https://github.com/git-for-windows/git/releases/tag/v2.23.0.windows.1" # pick off the version and build the download URL $fullVersion = Split-Path -Path $latestInfo -Leaf $version = $fullVersion -replace '^v','' -replace '\.windows','' $fileName = "Git-${version}-64-bit.exe" $latestUrl = ($latestInfo -Replace '/releases/tag/','/releases/download/') + "/" + $fileName # download the latest version Invoke-WebRequest -uri $latestUrl -outfile $installer # Git installer configuration "[Setup] Lang=default Dir=$InstallPath\Git Group=Git NoIcons=1 SetupType=compact Components=main Tasks= EditorOption=VIM CustomEditorPath= PathOption=Cmd SSHOption=OpenSSH TortoiseOption=false CURLOption=OpenSSL CRLFOption=CRLFCommitAsIs BashTerminalOption=ConHost PerformanceTweaksFSCache=Disabled UseCredentialManager=Disabled EnableSymlinks=Enabled EnableBuiltinInteractiveAdd=Disabled PrivilegesRequiredOverridesAllowed=commandline " | Out-File -FilePath $cfgFile -Force # install git # Occasionally the Invoke-Expression fails for unknown reasons. So we will retry it # if we find a expected file is not present Write-Host "Running installer" $collegeTry = 15 # number of times to try to install before giving up $counter = 0 $endLoop = $false while (-not $endLoop -and $counter -lt $collegeTry) { Invoke-Expression "$installer /loadinf=$cfgFile /verysilent /allusers /log=$InstallPath\git-install.log" $counter += 1 $endLoop = Test-Path '$InstallPath\Git\unins00*.msg' if (-not $endLoop) { Write-Host "Sleeping 60 seconds" Start-Sleep -Seconds 60 # wait for completion $endLoop = Test-Path "$InstallPath\Git\unins00*.msg" } if (-not $endLoop) { Write-Host "failed..Retrying installer" } } if ($counter -eq $collegeTry) { Write-Error "Git installer failed to run. Check log in $tempDir" } Remove-Item -Recurse -Force $tempDir } Export-ModuleMember -Function Add-Git |