Bump version of csproj

bump.ps1

param(
    [string]$csproj = $(throw "-csproj is required."),
    [ValidateSet('major', 'minor', 'patch')][string]$part = "patch"
)

Function BumpVersion([string]$csprojPath, [int]$majorInc, [int]$minorInc, [int]$patchInc) {
    [xml]$xml = (Get-Content $csprojPath)
    $buildInfo = $xml.Project.PropertyGroup | Where-Object {$_.Label -eq 'BuildInfo'}    
    
    #split product version in SemVer language
    $versions = ($buildInfo.Version + "").Split('.')

    if ($versions.Length -eq 3) {
        $major = ([int]$versions[0]) + $majorInc
        $minor = ([int]$versions[1]) + $minorInc
        $patch = ([int]$versions[2]) + $patchInc
    }
    else {
        throw "Failed to parse version number!"
    }

    $buildInfo.Version = "$major.$minor.$patch"

    $xml.Save($csprojPath)

    Write-Host "BUMPED: " $buildInfo.Version
}

switch ($part) { 
    "major" {BumpVersion $csproj 1 0 0; break} 
    "minor" {BumpVersion $csproj 0 1 0; break}
    "patch" {BumpVersion $csproj 0 0 1; break}
}