PowerShell build number functions

README.md

PowerShell build number functions

Based on algorithm from Visual Studio for generating the major and minor parts of the build number.

Major build number 0.0.X.0 is number of days since January 1st, 2000. Minor build number (the revision component 0.0.0.Y) is number of seconds since midnight divided by 2.

psake-extensions.ps1

function Get-DevMajorBuildNumber($now = (Get-Date)) {
    $baseDate = [datetime]"2000-01-01T00:00:00.000Z"
    $ts = New-Timespan -Start $baseDate -End $now
    
    [int][Math]::Floor($ts.TotalDays)
}

function Get-DevMinorBuildNumber($now = (Get-Date)) {
    $baseDate = Get-Date -Year $now.Year -Month $now.Month -Day $now.Day -Hour 0 -Minute 0 -Second 0
    $ts = New-Timespan -Start $baseDate -End $now
    
    [int][Math]::Floor($ts.TotalSeconds/2)
}