InitGit.psm1
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function Initialize-Git { param( [Parameter(ParameterSetName = 'GitHub')] [ValidatePattern('^(?!-)(?!.*--)[A-Za-z0-9-]+(?<!-)/(?!-)(?!.*--)[A-Za-z0-9-]+(?<!-)$')] [string] $Repository, [Parameter(ParameterSetName = 'GitHub')] [ValidatePattern('^(?!-)(?!.*--)[A-Za-z0-9-]+(?<!-)$')] [string] $Branch, [string] $Pat, [Parameter(ParameterSetName = 'Local')] [string] $Path, [switch] $Commit ) $CurrentPath = Get-Location Write-Debug "Current path: $CurrentPath" # Can't validate GitHub URL without actually downloading it. # Validate Path input. if ($Path -and !(Test-Path -Path $Path)) { Write-Error "$Path does not exist. Please provide the path to a valid directory." return } # Initialize Git repo in current location. (git init) if ($Path) { # Copy the contents of path to the location of the new repo. $Exclude = @(".git") Get-ChildItem $Path -Exclude $Exclude -Recurse | Copy-Item -Destination {Join-Path $CurrentPath $_.FullName.Substring($Path.length)} } # Download GitHub repo branch to local folder else { $Uri = "https://api.github.com/repos/{0}/zipball/{1}" -f $Repository, $Branch Write-Debug "GitHub uri: $Uri" $Headers = @{} if ($Pat) { $Headers.Add("Authorization", "token $Pat") } $OutFile = Join-Path $CurrentPath "temp.zip" Write-Debug "Downloading repo to: $OutFile" try { Invoke-RestMethod -Uri $Uri -Headers $Headers -OutFile $OutFile if (-not ($IsLinux -or $IsOSX)) { Unblock-File $OutFile } # Unzip the file contents Expand-Archive -Path $OutFile -DestinationPath $CurrentPath -Force $ArchivePath = Get-ChildItem -Directory -Filter "$($Repository.Replace('/', '-'))*" Write-Debug "Archived path: $ArchivePath" #Move files up one level since GitHub includes the repo name and commit hash as root folder. Get-ChildItem $ArchivePath -Recurse | Move-Item -Destination {Join-Path $CurrentPath $_.FullName.Substring($ArchivePath.FullName.length)} # Remove the temporary zip file and archive directory Remove-Item $OutFile -Force Remove-Item $ArchivePath -Force } catch { Write-Error "An error occurred while attempting to download the repository. If this is a private repo, please use the Pat parameter to pass in a token." } } # Commit the initialized repo if switch is present. if ($Commit.IsPresent) { (git add * && git commit -m "Initial commit.") } } |