git-all-log.ps1

[CmdletBinding()]
param(
  [Parameter(Mandatory=$false)]
  [ValidateRange(1, 180)]
  [int]$daysBack = 7,

  [Parameter(Mandatory=$false)]
  [string]$author,

  [Parameter(Mandatory=$false)]
  [switch]$mine
)

if ($mine) {
    $author = git config user.name
}

$command = "git --no-pager log --after=""$($daysBack) days ago"" --pretty=format:""%h - %an, %ar : %s"""

if ($author) {
    $command = "$command --author=""$author"""
}

Write-Host $command -ForegroundColor Yellow

$command = "`$output = $command"

Get-ChildItem -Recurse -Depth 2 -Force |
    Where-Object { $_.Mode -match "h" -and $_.FullName -like "*\.git" } |
    ForEach-Object {
        $dir = Get-Item (Join-Path $_.FullName "../")
        Push-Location $dir

        Invoke-Expression $command

        if ($output) {
            Write-Host "`n$($dir.Name):" -ForegroundColor Cyan
            $output
        }

        Pop-Location
    }

Pop-Location