To be put in the $PATH. You tell it a directory and it will search for all git repositories underneath it, outputting the current branch and clean/dirty state for each

git-where-am-i

#!/bin/sh

function usage {
  echo "USAGE"
  echo "git where-am-i DIR"
}

function report_dir {
  local prefix=$1

  local branch=$(git rev-parse --abbrev-ref HEAD)
  if git diff --quiet; then
    status="✅"
  else
    status="❌"
  fi

  echo "$prefix: $branch $status"
}

if [ $# == 0 ]; then
  usage
  exit 1
fi

DIR=$(realpath $1)

for git_dir in $(find "$DIR" -name .git -type d); do
  path=$(realpath --relative-to "$DIR" "${git_dir}/..")
  cd "${git_dir}/.."

  report_dir "$path"

  cd "$DIR"
done