My powershell configuration

user_profile.ps1

# Use this file to run your own startup commands

## Prompt Customization
<#
.SYNTAX
    <PrePrompt><CMDER DEFAULT>
    λ <PostPrompt> <repl input>
.EXAMPLE
    <PrePrompt>N:\Documents\src\cmder [master]
    λ <PostPrompt> |
#>

#Import chocolatey helpers
$ChocolateyProfile = "$env:ChocolateyInstall\helpers\chocolateyProfile.psm1"
if (Test-Path($ChocolateyProfile)) {
    Import-Module "$ChocolateyProfile"
}

[ScriptBlock]$PrePrompt = {

}

# Replace the cmder prompt entirely with this.
[ScriptBlock]$CmderPrompt = {
    $Host.UI.RawUI.ForegroundColor = "Gray"

    # Workaround to make above line apply the "White" foreground color.
    # Seems like you have to print _something_ before using Write-Host with -ForegroundColor.
    # Note: Empty string "" doesn't work.
    Write-Host "`r" -NoNewline

    Microsoft.PowerShell.Utility\Write-Host $pwd.ProviderPath -NoNewLine -ForegroundColor Green
    Microsoft.PowerShell.Utility\Write-Host (checkGit($pwd.ProviderPath)) -NoNewLine 
}

[ScriptBlock]$PostPrompt = {

}

## <Continue to add your own>

<#
Launch-App launches an app with a name that matches the provided string. wildcards are supported
#>
function Launch-App {
    param(
        [parameter(mandatory = $true)][ValidateNotNullOrEmpty()][string[]]$appname,
        [switch] $admin
    )
    $apps = (New-Object -Com Shell.Application).NameSpace('shell:::{4234d49b-0245-4df3-b780-3893943456e1}').Items()
    if ($apps) {
        $count = 0
        foreach ($app in $apps) {
            if ($app.Name -like $appname) {
                $count++
                if ($admin) {
                    #"Run as administrator" action
                    $action = $app.Verbs() | ? { $_.Name.replace('&', '') -eq "Run as administrator" }
                }
                else {
                    # "Open" action
                    $action = $app.Verbs() | ? { $_.Name.replace('&', '') -eq "Open" }
                }
                if ($action) {
                    $action.DoIt()
                }
                else {
                    Write-Error "Application '$appname' doesn't support this action."
                }
            }
        }
        if ($count -eq 0) {
            Write-Error "Application '$appname' Not Found."
        }
    }
    else {
        Write-Error "An unexpected error has occurred."
    }
}

# Try load visual studio environment variables by default
function Import-VSEnvironment {
    Write-Output "Setting up Visual Studio Developer Environment..."
    if (Get-Command "vswhere.exe" -errorAction SilentlyContinue) {
        $installationPath = vswhere.exe -latest -property installationPath
        if ($installationPath -and (Test-Path "$installationPath\Common7\Tools\vsdevcmd.bat")) {
            $json = $(& "${env:COMSPEC}" /s /c "`"$installationPath\Common7\Tools\vsdevcmd.bat`" -no_logo -arch=x64 && powershell -Command `"Get-ChildItem env: | Select-Object Key,Value | ConvertTo-Json`"")
            if ($LASTEXITCODE -ne 0) {
                Write-Error "($LASTEXITCODE) $installationPath\Common7\Tools\vsdevcmd.bat: $json"
            }
            else {
                # Write-Host $json
                $($json | ConvertFrom-Json) | ForEach-Object {
                    $k, $v = $_.Key, $_.Value
                    Set-Content env:\"$k" "$v"
                }
            }
        }
        else {
            Write-Error "Cannot find 'vsdevcmd.bat' in installation directory [$installationPath\Common7\Tools\vsdevcmd.bat]"
        }
    }
    else {
        Write-Error "Executable 'vswhere' not found in PATH"
    }
}

function Create-File {
    param ([parameter(mandatory = $true)][ValidateNotNullOrEmpty()][string[]]$name)
    New-Item $name -type file
}

# set an alias for Launch-App
Set-Alias -Name launch -Value Launch-App
# set an alias for Import-VSEnvironment
Set-Alias -Name vsenv -Value Import-VSEnvironment
# set an alias for Create-File
Set-Alias -Name new -Value Create-File
# use proj variable as shorthand for $env:proj
$proj = $env:proj