Public/ConvertTo-NcrementVersionNumber.ps1

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<#
.SYNOPSIS
Returns a version number.
 
.DESCRIPTION
This cmdlet creates a version number from the specified input. The input can be a '.json' file or an object.
 
.PARAMETER InputObject
The file-path or instance of a [Manifest] object.
 
.PARAMETER CurrentBrach
The branch name of the current repository.
#>


function ConvertTo-NcrementVersionNumber
{
    Param(
        [Parameter(Mandatory, ValueFromPipeline)]
        $InputObject,

        [string]$CurrentBranch = "*"
    )
    PROCESS
    {
        $manifest = $InputObject;
        $path = ConvertTo-Path $InputObject;
        if ((-not [string]::IsNullOrEmpty($path)) -and (Test-Path $path -PathType Leaf))
        {
            $manifest = Get-Content $path | ConvertFrom-Json;
        }

        if ($manifest -ne $null)
        {
            [string]$suffix = "";
            if (($manifest | Get-Member "branchSuffixMap"))
            {
                if ($manifest.branchSuffixMap | Get-Member $CurrentBranch) { $suffix = $manifest.branchSuffixMap.$CurrentBranch; }
                elseif ($manifest.branchSuffixMap | Get-Member "*") { $suffix = $manifest.branchSuffixMap."*"; }
            }

            $tag = "";
            if (-not [string]::IsNullOrEmpty($suffix)) { $tag = "-$suffix"; }

            return [PSCustomObject]@{
                "Suffix"=$suffix;
                "Version"="$($manifest.version.major).$($manifest.version.minor).$($manifest.version.patch)";
                "FullVersion"="$($manifest.version.major).$($manifest.version.minor).$($manifest.version.patch)$tag";
            };
        }
        else { Write-Error "The 'InputObject' cannot be null or empty."; }
    }
}