Private/Install-Git.ps1
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Function Install-Git { <# .SYNOPSIS Installs or updates git for windows. .DESCRIPTION Borrowed heavily from https://github.com/PowerShell/vscode-powershell/blob/develop/scripts/Install-VSCode.ps1. Sourcecode available at https://github.com/tomlarse/Install-Git Install and run with Install-Script Install-Git; Install-Git.ps1 .EXAMPLE Install-Git.ps1 .NOTES This script is licensed under the MIT License: Copyright (c) Microsoft Corporation. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #> [Cmdletbinding()] Param() if (!($IsLinux -or $IsOSX)) { $gitExePath = "C:\Program Files\Git\bin\git.exe" #Added TLS negotiation Fork jmangan68 [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12; foreach ($asset in (Invoke-RestMethod https://api.github.com/repos/git-for-windows/git/releases/latest).assets) { if ($asset.name -match 'Git-\d*\.\d*\.\d*.\d*-64-bit\.exe') { $dlurl = $asset.browser_download_url $newver = $asset.name } } try { $ProgressPreference = 'SilentlyContinue' if (!(Test-Path $gitExePath)) { Write-Verbose "`nDownloading latest stable git..." Write-Log -Level INFORMATION -Message "Downloading latest stable git..." Remove-Item -Force $env:TEMP\git-stable.exe -ErrorAction SilentlyContinue Invoke-WebRequest -Uri $dlurl -OutFile $env:TEMP\git-stable.exe Write-Verbose "`nInstalling git..." Write-Log -Level INFORMATION -Message "Installing git..." Start-Process -Wait $env:TEMP\git-stable.exe -ArgumentList /silent } else { $updateneeded = $false Write-Log -Level INFORMATION -Message "git is already installed. Check if possible update..." Write-Verbose "`ngit is already installed. Check if possible update..." (git version) -match "(\d*\.\d*\.\d*)" | Out-Null $installedversion = $matches[0].split('.') $newver -match "(\d*\.\d*\.\d*)" | Out-Null $newversion = $matches[0].split('.') if (($newversion[0] -gt $installedversion[0]) -or ($newversion[0] -eq $installedversion[0] -and $newversion[1] -gt $installedversion[1]) -or ($newversion[0] -eq $installedversion[0] -and $newversion[1] -eq $installedversion[1] -and $newversion[2] -gt $installedversion[2])) { $updateneeded = $true } if ($updateneeded) { Write-Log -Level INFORMATION -Message "Update available. Downloading latest stable git..." Write-Verbose "`nUpdate available. Downloading latest stable git..." Remove-Item -Force $env:TEMP\git-stable.exe -ErrorAction SilentlyContinue Invoke-WebRequest -Uri $dlurl -OutFile $env:TEMP\git-stable.exe Write-Log -Level INFORMATION -Message "Installing update..." Write-Verbose "`nInstalling update..." $sshagentrunning = get-process ssh-agent -ErrorAction SilentlyContinue if ($sshagentrunning) { Write-Log -Level WARNING -Message "Killing ssh-agent..." Write-Verbose "`nKilling ssh-agent..." Stop-Process $sshagentrunning.Id } Start-Process -Wait $env:TEMP\git-stable.exe -ArgumentList /silent } else { Write-Log -Level INFORMATION -Message "No update available. Already running latest version..." Write-Verbose "`nNo update available. Already running latest version..." } } Write-Log -Level INFORMATION -Message "Installation complete!" Write-Verbose "`nInstallation complete!`n`n" } finally { #Refresh der PATH environment variable foreach($level in "Machine","User") { [Environment]::GetEnvironmentVariables($level).GetEnumerator() | % { # For Path variables, append the new values, if they're not already in there if($_.Name -match 'Path$') { $_.Value = ($((Get-Content "Env:$($_.Name)") + ";$($_.Value)") -split ';' | Select -unique) -join ';' } $_ } | Set-Content -Path { "Env:$($_.Name)" } } $ProgressPreference = 'Continue' } } else { Write-Error "This script is currently only supported on the Windows operating system." } } |