functions/Update-dbatools.ps1

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Function Update-DbaTools {
    <#
        .SYNOPSIS
            Exported function. Updates dbatools. Deletes current copy and replaces it with freshest copy.
 
        .DESCRIPTION
            Exported function. Updates dbatools. Deletes current copy and replaces it with freshest copy.
 
        .PARAMETER Development
            If this switch is enabled, the current development branch will be installed. By default, the latest official release is installed.
 
        .PARAMETER WhatIf
            If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run.
 
        .PARAMETER Confirm
            If this switch is enabled, you will be prompted for confirmation before executing any operations that change state.
 
        .NOTES
            Website: https://dbatools.io
            Copyright: (C) Chrissy LeMaire, clemaire@gmail.com
            License: GNU GPL v3 https://opensource.org/licenses/GPL-3.0
 
        .LINK
            https://dbatools.io/Update-DbaTools
 
        .EXAMPLE
            Update-DbaTools
 
            Updates dbatools. Deletes current copy and replaces it with freshest copy.
 
        .EXAMPLE
            Update-DbaTools -dev
 
            Updates dbatools to the current development branch. Deletes current copy and replaces it with latest from github.
    #>
    
[CmdletBinding(SupportsShouldProcess=$true,ConfirmImpact="Low")]
param(
    [parameter(Mandatory=$false)]
    [Alias("dev","devbranch")]
    [switch]$Development
)
    $MyModuleBase = (Get-Module -name dbatools).ModuleBase;
    $InstallScript = join-path -path $MyModuleBase -ChildPath "install.ps1";
    if($Development) {
        Write-Verbose "Installing dev/beta channel via $Installscript.";
        if ($PSCmdlet.ShouldProcess("development branch","Updating dbatools")) {
            & $InstallScript -beta;
        }
    }
    else {
        Write-Verbose "Installing release version via $Installscript."
        if ($PSCmdlet.ShouldProcess("release branch","Updating dbatools")) {
            & $InstallScript;
        }
    }
}