Added $gitbin

profile.ps1

echo "START [$($MyInvocation.MyCommand.Name)] $(get-date -f yyyyMMdd.HHmmss.ff)"

try {
    #$env:Path += ";.\node_modules\.bin" # use npmx instead (v8.2+ / npm 5.3+)
    sal code "C:\Program Files\Microsoft VS Code\Code.exe"

    # cd to the first directory in the path that contains a program, script, or file
    filter goWhere { where.exe $args | select -first 1 | Split-Path -Parent | pushd }
    #filter goWhereCD { where.exe $args | select -first 1 | Split-Path -Parent | cd }

    filter up  { cd "../$args" }
    filter up2 { cd "../../$args" }
    filter up3 { cd "../../../$args" }
    filter up4 { cd "../../../../$args" }

    filter pup  { pushd "../$args" }
    filter pup2 { pushd "../../$args" }
    filter pup3 { pushd "../../../$args" }
    filter pup4 { pushd "../../../../$args" }

    filter yz-GetLocationStack { Get-Location -Stack }
    sal dirs yz-GetLocationStack
    filter pops { Write-Warning '--- OBSOLETE ---, use `dirs` instead'; dirs $args }

    sal w where.exe # powershell pre-defines where to be 'SQL-like' where for filtering sets or streams, 
    sal which where.exe # *nix-friendly

    # https://ss64.com/ps/syntax-elevate.html
    # returns true/false
    function ss64-IsAdmin {
        ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")
    }
    sal isadmin ss64-IsAdmin

    # Admin starts at C:\Windows\System32, try to fix that
    if (isadmin) { pushd ~; return; }

    $gitbin = 'C:\Program Files\Git\usr\bin'
    if (Test-Path -PathType Container $gitbin) {
        echo "  adding git aliases at $gitbin"
        $global:gitbin = $gitbin

        # TODO: convert to list (DRY: don't repeat code)
        sal du.exe $gitbin\du.exe
        # use: `file.exe --mime-encoding *`
        sal file.exe $gitbin\file.exe 
        sal tail.exe $gitbin\tail.exe

    } else {
        Write-Warning "git aliases skipped b/c git bin not at $gitbin"
        Remove-Variable gitbin
    }

    # `pushd` to a folder at startup, usually the project I'm actively working on...
    # echo 'pushd D:\user-Chris.Tracy\MarketMaking-js-test' >> $PROFILE.CurrentUserAllHosts\..\profile_pushd.ps1 
    $optionalPsScript="$PSScriptRoot\profile_pushd.ps1"
    if (!(Test-Path $optionalPsScript)) { return; }
    .  $optionalPsScript
}
finally {
    echo "END   [$($MyInvocation.MyCommand.Name)] $(get-date -f yyyyMMdd.HHmmss.ff)"
}
return;

# 
# # Links
# 
# timestamps for filenames / comments, my Gist (yzorg)
# http://htmlpreview.github.io/?https://gist.github.com/yzorg/bbffec29c7d350d2635b/raw
# 
# to search just your own Gists on github:
#     user:yzorg profile
# https://gist.github.com/search?q=user%3Ayzorg+profile&ref=searchresults