Gitflow delete merged branches

DeleteRemoteBranches.ps1

$lastCommitsFile = "C:\LastCommitsOfDeletedBranches.txt"
    
if((Test-Path $lastCommitsFile ) -eq $false){"" > $lastCommitsFile}

"Lets delete stuff..."

$repoLocations = @("C:\Dev\SomeRepo")

$pullTheTrigger = $false

$branchRegex = "^[a-zA-Z0-9\-_/]+$"

function GetReposAndBranches($repoLocations, $deleteBranchesMergedInto = "origin/develop"){
    $reposAndBranches = @()
    foreach ($location in $repoLocations){
        cd $location
        Write-Host "Repo - $location"
        
        
        # make sure is it up to date
        git remote prune origin
        git fetch        

        Write-Host "Fetched"
        $allMergedBranches = git branch --merged $deleteBranchesMergedInto -r

        $regexExcludingNonFeatureBranchesAndImportantOnes = "origin\/master|origin\/HEAD|origin\/hotfix|origin\/spike|origin\/release|origin\/develop|master|develop"

        $branchesToDelete = $allMergedBranches | Where-Object {($_ -match $regexExcludingNonFeatureBranchesAndImportantOnes) -eq $false} 
        $count = $branchesToDelete.Length
        #Write-Host "I plan to delete $count branches from $location`:"
        
        ForEach($branchToDelete in $branchesToDelete)
        {
            $branchToDelete = $branchToDelete.Trim()
            if($branchToDelete.StartsWith("* ")){
                $branchToDelete  = $branchToDelete.Substring(2)
            }

            if($branchToDelete -notmatch $branchRegex){
                Write-Error "Branch name is bad $branchToDelete"
                continue
            }

            $props = @{}
            $props.RepoPath=$location.Trim()
            $props.RepoPathLength=$location.Trim().Length
            $props.BranchName=$branchToDelete
            $object = New-Object -TypeName PSObject -Prop $props
            #Write-Host "- $branchToDelete"
            $reposAndBranches += $object
        }
    }
    return $reposAndBranches
}

function DeleteRemoteBranches($reposAndBranchesToDelete){
    
    if($pullTheTrigger){"The trigger IS being pulled, branches WILL be deleted... Read the branches below carefully"}else{"Simulation of deleting branches"}
    
    $numBranches = $reposAndBranchesToDelete.Count
    Write-Host "I plan to delete $numBranches branches"

    # print out branches to be deleted
    $locationLengths = $reposAndBranchesToDelete | Sort-Object -Property RepoPathLength -Descending
    $padTo = $locationLengths[0].RepoPathLength + 5
    ForEach($repoAndBranchToDelete in $reposAndBranchesToDelete)
    {
        $branchToDelete = $repoAndBranchToDelete.BranchName
        $repoPath = $repoAndBranchToDelete.RepoPath.PadRight($padTo)
        Write-Host "$repoPath - $branchToDelete"
    }
    
    $yesOrSomethingElse = Read-Host -Prompt "Press 'y' to continue or anything else to quit."
    if($yesOrSomethingElse.ToLower() -ne "y")
    {
        Write-Host "Exiting..."
        exit 0
    }

    ForEach($repoAndBranchToDelete in $reposAndBranchesToDelete)
    {
        $branchToDelete = $repoAndBranchToDelete.BranchName
        $repoPath = $repoAndBranchToDelete.RepoPath
        
        cd $repoPath

        # Adds to spaces on the front for some reason
        $branchToDelete = $branchToDelete.Trim()

        if($branchToDelete -notmatch $branchRegex){
            Write-Error "Branch name is bad $branchToDelete"
            continue
        }

        if($branchToDelete -eq "" -or $branchToDelete -eq $null)
        {
            exit 0
        }

        $lastCommitInfo = git log -1 $branchToDelete

        "About to delete branch - $branchToDelete"

        if($branchToDelete -match "origin\/")
        {
            # Need to delete remote branch
            $branchToDelete = $branchToDelete.Replace("remotes/", "")
            $branchToDelete = $branchToDelete.Replace("origin/", "")
        
            $remoteBranchName = "refs/heads/" + $branchToDelete
            if($pullTheTrigger)
            {
                git push origin --delete $remoteBranchName
                "Deleted"
            }
            else
            {
                "Pretending to delete branch $remoteBranchName"
            }
        }
        else
        {
            # want to delete local branch
            if($pullTheTrigger)
            {
                # don't want to force Delete
                git branch -d $branchToDelete
            }
            else
            {
                "Pretending to delete branch $branchToDelete"
            }
        }

        $infoToAdd = "$repoPath - $branchToDelete - $lastCommitInfo"

        if($pullTheTrigger)
        {
            $infoToAdd >> $lastCommitsFile
            "Info logged to file"
        }
        else
        {
            "pretending to log info $infoToAdd"
        }
    }
}

# Run it!

$reposAndBranchesToDelete = GetReposAndBranches $repoLocations

DeleteRemoteBranches $reposAndBranchesToDelete