Get-Github

0.2

Get-Github.ps1

#Requires �Version 5

<#PSScriptInfo
 
.VERSION 0.2
 
.GUID 2d4a2e50-1ae2-4030-8f78-ac0c3d041e72
 
.AUTHOR Alex Sarafian
 
.COMPANYNAME
 
.COPYRIGHT
 
.TAGS Github
 
.LICENSEURI https://github.com/Sarafian/PowerShellScripts/blob/master/LICENSE
 
.PROJECTURI https://github.com/Sarafian/PowerShellScripts
 
.ICONURI
 
.EXTERNALMODULEDEPENDENCIES
 
.REQUIREDSCRIPTS
 
.EXTERNALSCRIPTDEPENDENCIES
 
.RELEASENOTES
 
 
#>

<#
 
.DESCRIPTION
 Download a github repository or a gist
 
#> 
Param(
    [Parameter(Mandatory=$true,ParameterSetName="Repository Branch")]
    [Parameter(Mandatory=$true,ParameterSetName="Repository Tag")]
# [Parameter(Mandatory=$true,ParameterSetName="Gist")]
    [string]$User,
    [Parameter(Mandatory=$true,ParameterSetName="Repository Branch")]
    [Parameter(Mandatory=$true,ParameterSetName="Repository Tag")]
    [string]$Repository,
    [Parameter(Mandatory=$false,ParameterSetName="Repository Branch")]
    [string]$Branch="master",
    [Parameter(Mandatory=$true,ParameterSetName="Repository Tag")]
    [string]$Tag,
    [Parameter(Mandatory=$false,ParameterSetName="Repository Branch")]
    [Parameter(Mandatory=$false,ParameterSetName="Repository Tag")]
    [switch]$Expand=$false
# [Parameter(Mandatory=$true,ParameterSetName="Gist")]
# [string]$ID,
# [Parameter(Mandatory=$false,ParameterSetName="Gist")]
# [string[]]$Filename
)
$parameterSetName=$PSCmdlet.ParameterSetName
Write-Debug "parameterSetName=$parameterSetName"

switch ($parameterSetName)
{
    {$_ -like 'Repository*'} {
        $repositoryZipUrl="https://github.com/$User/$Repository/archive/"
        switch ($parameterSetName)
        {
            {$_ -like '*Tag'} {
                $repositoryZipUrl+="$Tag.zip"
                $downloadFileName="$Repository-$Tag.zip"
            }
            {$_ -like '*Branch'} {
                $repositoryZipUrl+="$Branch.zip"
                $downloadFileName="$Repository-$Branch.zip"
            }
        }
        Write-Debug "repositoryZipUrl=$repositoryZipUrl"
        Write-Debug "downloadFileName=$downloadFileName"
        
        $getRepositoryActivity="Get Github repository $Repository from $User"
        # Download release artifact to temp folder
        Write-Progress -Activity $getRepositoryActivity -Status "Downloading $downloadFileName"
        $tempPath=Join-Path $env:TEMP $downloadFileName
        Write-Debug "tempPath=$tempPath"
        if(Test-Path $tempPath)
        {
            Write-Warning "$tempPath already exists. Removing..."
            Remove-Item -Path $tempPath -Force
            Write-Verbose "Removed $tempPath with recurse"
        }
        Write-Verbose "$tempPath is ready"
        Write-Debug "Downloading $repositoryZipUrl to $tempPath"
        Invoke-WebRequest -Uri $repositoryZipUrl -UseBasicParsing -OutFile $tempPath
        Write-Verbose "Downloaded $repositoryZipUrl to $tempPath"

        if($Expand)
        {
            Write-Progress -Activity $getRepositoryActivity -Status "Expanding $downloadFileName"
            $expandPath=Join-Path $env:TEMP $Repository
            Write-Debug "expandPath=$expandPath"
            # Remove the directory if it exists
            if(Test-Path $expandPath)
            {
                Remove-Item -Path "$expandPath" -Recurse -Force
                Write-Verbose "Removed $expandPath with recurse"
            }
            Write-Verbose "$expandPath is ready"

            Write-Debug "Expanding $tempPath to $expandPath"
            Expand-Archive -Path $tempPath -DestinationPath $expandPath -Force -ErrorAction SilentlyContinue
            Write-Verbose "Expanded $tempPath to $expandPath"
            
            
            Write-Debug "Removing $tempPath"
            Remove-Item -Path $tempPath -Recurse -Force
            Write-Verbose "Removed $tempPath"
            Get-ChildItem -Path $expandPath|Select-Object -First 1
        }
        else
        {
            Get-Item -Path $tempPath
        }
    }
<#
    {$_ -like 'Gist'} {
 
    }
#>
}