Command to rewrite the emails on all of your repos

run.ps1

$user_name = "example"
$old_email = "examplez@example.com"
$new_email = "000000+example@users.noreply.github.com"

$api = "https://api.github.com/users/$($user_name)/repos"

$j = Invoke-WebRequest $api | ConvertFrom-Json

$j | Select-Object -Property ssh_url | ForEach-Object {
  git clone $_.ssh_url
}

$dir = Get-ChildItem $PSScriptRoot | Where-Object {$_.PSISContainer}

$command = "
OLD_EMAIL=`"$($old_email)`"
CORRECT_NAME=`"$($user_name)`"
CORRECT_EMAIL=`"$($new_email)`""
$command = $command +
'
if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]; then
  export GIT_COMMITTER_NAME="$CORRECT_NAME"
  export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
fi
if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
then
    export GIT_AUTHOR_NAME="$CORRECT_NAME"
    export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
fi
'

foreach ($d in $dir) {
  Set-Location $d
  git filter-branch --env-filter $command --tag-name-filter cat -- --branches --tags
  Set-Location ..
}