QA copy branch files.ps1

# Run this script from within the git repo you want to copy data OUT of

$copyTo = 'C:\MyTestFolder'

$ErrorActionPreference = 'Stop'

$currBranch = git branch --show-current
$repoRoot = git rev-parse --show-toplevel

if ($LASTEXITCODE -gt 0) { return }

$decision = $Host.UI.PromptForChoice($null, "Current branch is [${currBranch}], is that correct?", ('&Yes','&No'), 0); ''
if ($decision -eq 1) {
    Write-Host 'Exiting script'
    return
}

git fetch -q

if (git rev-parse --symbolic-full-name '@{u}') {
    if (git status -s) {
        $decision = $Host.UI.PromptForChoice($null, 'Current branch has uncommited changes, okay to proceed?', ('&Yes','&No'), 0); ''
        if ($decision -eq 1) {
            Write-Host 'Exiting script'
            return
        }
    }
    
    if (git cherry) {
        $decision = $Host.UI.PromptForChoice($null, 'Current branch is ahead (unpushed commits), okay to proceed?', ('&Yes','&No'), 0); ''
        if ($decision -eq 1) {
            Write-Host 'Exiting script'
            return
        }
    }
    
    if (git log HEAD..'@{u}') {
        $decision = $Host.UI.PromptForChoice($null, 'Current branch is behind (remote has new commits), okay to proceed?', ('&Yes','&No'), 0); ''
        if ($decision -eq 1) {
            Write-Host 'Exiting script'
            return
        }
    }
}

$copyToBranch = mkdir (Join-Path $copyTo $currBranch) -Force

if (gci -Path $copyToBranch) {
    $decision = $Host.UI.PromptForChoice($null, 'Branch folder already exists, okay to clear out?', ('&Yes','&No'), 0); ''
    if ($decision -eq 0) {
        Write-Host 'Clearing out folder...'
        rm -LiteralPath $copyToBranch -Recurse -Force
    } else {
        Write-Host 'Exiting script'
        return
    }
}

Write-Host 'Copying files to destination...'
(git diff --name-only master...) | ? { Test-Path -LiteralPath (Join-Path $repoRoot $_) } |
    % {
        # Create absolute file destination path
        $dp = Join-Path $copyToBranch $_
        # Create absolute file source path
        $sp = Join-Path $repoRoot $_
        # Get the destination directory path
        $dir = Split-Path $dp -Parent
        # Create directory path if it doesn't exist
        $null = mkdir $dir -Force
        # Copy file to destination
        cp -LiteralPath $sp -Destination $dir
    }

''; $decision = $Host.UI.PromptForChoice($null, 'Open folder?', ('&Yes','&No'), 0); ''
if ($decision -eq 0) {
    Write-Host 'Clearing out folder...'
    ii $copyToBranch
}

Write-Host 'Done!'