install.ps1
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param([switch]$WhatIf = $false) if($PSVersionTable.PSVersion.Major -lt 2) { Write-Warning "posh-git requires PowerShell 2.0 or better; you have version $($Host.Version)." return } if(!(Test-Path $PROFILE)) { Write-Host "Creating PowerShell profile...`n$PROFILE" New-Item $PROFILE -Force -Type File -ErrorAction Stop -WhatIf:$WhatIf > $null } if(!(Get-Command git -ErrorAction SilentlyContinue)) { Write-Warning 'Could not find git command. Please create a git alias or add %ProgramFiles%\Git\cmd to PATH.' return } $installDir = Split-Path $MyInvocation.MyCommand.Path -Parent if(!(. (Join-Path $installDir "CheckVersion.ps1"))) { return } # Adapted from http://www.west-wind.com/Weblog/posts/197245.aspx function Get-FileEncoding($Path) { $bytes = [byte[]](Get-Content $Path -Encoding byte -ReadCount 4 -TotalCount 4) if(!$bytes) { return 'utf8' } switch -regex ('{0:x2}{1:x2}{2:x2}{3:x2}' -f $bytes[0],$bytes[1],$bytes[2],$bytes[3]) { '^efbbbf' { return 'utf8' } '^2b2f76' { return 'utf7' } '^fffe' { return 'unicode' } '^feff' { return 'bigendianunicode' } '^0000feff' { return 'utf32' } default { return 'ascii' } } } $profileLine = ". '$installDir\profile.example.ps1'" if(Select-String -Path $PROFILE -Pattern $profileLine -Quiet -SimpleMatch) { Write-Host "It seems posh-git is already installed..." return } Write-Host "Adding posh-git to profile..." @" # Load posh-git example profile $profileLine "@ | Out-File $PROFILE -Append -WhatIf:$WhatIf -Encoding (Get-FileEncoding $PROFILE) Write-Host 'posh-git sucessfully installed!' Write-Host 'Please reload your profile for the changes to take effect:' Write-Host ' . $PROFILE' |