Tool/Tool.ps1

#region Copyright & License

# Copyright © 2019 - 2021 François Chabot
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

#endregion

Set-StrictMode -Version Latest

# inspired by https://github.com/nightroman/Invoke-Build/blob/2ebb4c4ca5c9d15cd11e48f640763007d7a3b7f1/Invoke-Build.ps1#L272
function Add-ToolAlias {
    [CmdletBinding()]
    [OutputType([void])]
    param (
        [Parameter(Mandatory = $true)]
        [string]
        $Path,

        [Parameter(Mandatory = $true)]
        [string[]]
        $Tool,

        [Parameter(Mandatory = $false)]
        [ValidateSet('Global', 'Local')]
        [string]
        $Scope = 'Local'
    )
    Resolve-ActionPreference -Cmdlet $PSCmdlet -SessionState $ExecutionContext.SessionState
    $expandedPath = switch -regex ($Path) {
        ^Framework { "$env:windir\Microsoft.NET\$_" }
        default { $PSCmdlet.GetUnresolvedProviderPathFromPSPath($_) }
    }
    if (-not(Test-Path -LiteralPath $expandedPath -PathType Container)) { throw "Cannot resolve '$Path'." }
    $Tool | ForEach-Object -Process {
        $toolPath = Join-Path -Path $expandedPath -ChildPath "$_.exe" -Resolve
        # add alias in parent scope only, i.e. caller's scope, https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_scopes?view=powershell-7#managing-scope
        Set-Alias -Name $_ -Value $toolPath `
            -Scope $(if ($Scope -eq 'Local') { 1 } else { $Scope }) `
            -Verbose:($PSBoundParameters['Verbose'] -eq $true)
    }
}

function Invoke-Tool {
    [CmdletBinding()]
    [OutputType([void])]
    param (
        [Parameter(Mandatory = $true)]
        [scriptblock]
        $Command
    )
    Resolve-ActionPreference -Cmdlet $PSCmdlet -SessionState $ExecutionContext.SessionState
    & $Command
    if ($LASTEXITCODE -ne 0) { throw "Command {$Command} failed with code $LASTEXITCODE." }
}

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