#!/bin/bash
# shellcheck disable=SC2016
usage() {
  cat << EOT
Usage:
  ./${0##*/} ls|update|clone|save

Commands:
  ls     -> List all the bundle repos
  update -> Update all the bundle repos
  clone  -> Use 'bundles.txt' to repopulate
  save   -> Save repos to 'bundles.txt'
EOT
  exit
}

colors() {
  sed -E -e 's/\[red\]//g' \
         -e 's/\[green\]//g' \
         -e 's/\[reset\]//g' \
         -e 's/\[b\]//g' \
         -e 's/\[ul\]//g'
}

repos() {
  # Eval "$1" for all directories
  local dn
  for dn in * ; do
    [[ -d "$dn" && -d "$dn/.git" ]] || continue
    eval "${1//@@/$dn}" | colors
  done
}

clone_bundles() {
  # Clone the bundles in 'bundles.txt'
  local dn repo
  while read -r dn repo ; do
    if [[ -d "$dn" ]]; then
      echo "*** Dir [red][$dn][reset] already exists!" | colors
    else
      git clone "$repo" "$dn" 2>&1 | sed "s|^|[green][$dn][reset] |g" | colors
    fi
  done < bundles.txt
}

case "$1" in
      ls) repos 'echo -e "[red]@@[reset] [green]$(git -C @@ remote get-url origin)[reset]"' ;;
  update) repos 'git -C @@ pull 2>&1 | sed "s|^|[green][@@][reset] |g"' ;;
    save) repos 'echo -e "@@ $(git -C @@ remote get-url origin)"' | tee bundles.txt ;;
   clone) clone_bundles ;;
      ?*) echo "Unknown command: $1" ;;
       *) usage ;;
esac

# Fin.