dbatools

1.1.6

functions/Update-Dbatools.ps1

                                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 Cleanup

        If this switch is enabled, old versions of dbatools will be removed.

    .PARAMETER EnableException

        By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message.

        This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting.

        Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch.

    .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

        Tags: Module

        Author: Shawn Melton (@wsmelton), http://wsmelton.github.io

        Website: https://dbatools.io

        Copyright: (c) 2018 by dbatools, licensed under MIT

        License: MIT https://opensource.org/licenses/MIT

    .LINK

        https://dbatools.io/Update-Dbatools

    .EXAMPLE

        PS C:\> Update-Dbatools

        Updates dbatools. Deletes current copy and replaces it with freshest copy.

    .EXAMPLE

        PS C:\> Update-Dbatools -dev

        Updates dbatools to the current development branch. Deletes current copy and replaces it with latest from github.

    #>

    [CmdletBinding(SupportsShouldProcess, ConfirmImpact = "Low")]

    [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseSingularNouns", "", Justification = "It is the proper noun of the cmdlet")]

    param(

        [Alias("dev", "devbranch")]

        [switch]$Development,

        [switch]$Cleanup,

        [switch]$EnableException

    )

    $MyModuleBase = [SqlCollaborative.Dbatools.dbaSystem.SystemHost]::ModuleBase

    $InstallScript = Join-Path -path $MyModuleBase -ChildPath "install.ps1";

    if ($Development) {

        Write-Message -Level Verbose -Message "Installing dev/beta channel via $Installscript.";

        if ($PSCmdlet.ShouldProcess("development branch", "Updating dbatools")) {

            & $InstallScript -beta;

        }

    } else {

        Write-Message -Level Verbose -Message "Installing release version via $Installscript."

        if ($PSCmdlet.ShouldProcess("release branch", "Updating dbatools")) {

            & $InstallScript;

        }

    }

    if ($Cleanup) {

        Write-Message -Level Verbose -Message "Removing older versions of dbatools"

        try {

            $cleanfile = Join-DbaPath -Path $((Get-InstalledModule dbatools).InstalledLocation) -ChildPath "cleanup.ps1" -ErrorAction Stop

        } catch {

            $cleanfile = Join-DbaPath -Path $(Split-Path (Get-Module dbatools).Path) -ChildPath "cleanup.ps1"

        }

        & $cleanfile

    }

}

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