apac-migrate

#!/bin/bash
######################################################################
# apac-migrate - AUR3 to AUR4 migration wizard
version="0.3"
# Copyright OS Hazard <oshazard+aur@gmail.com>
######################################################################

# depends: apacman git pkgbuild-introspection

_maintainer="$1"
_aurdir="/opt/aur"
_tempdir="temp-dir"
_git="ssh://aur@aur4.archlinux.org"
_url="https://aur.archlinux.org/packages/?SeB=m&K=${_maintainer}"
_pkgs=$(curl -s "$_url" | grep "<td><a href" | awk -F '">' '{print $2}' | awk -F "</a>" '{print $1}')

err() { echo "ERROR: $@"; exit 1; }
deptest() { type -p $1 &>/dev/null; }

[ -z "$_maintainer" ] && err "USAGE: $0 [maintainer]"
deptest apacman || err "requires: apacman"
deptest git || err "requires: git"
deptest mksrcinfo || err "requires: pkgbuild-introspection"

if [[ $UID -eq 0 ]]; then
  read -p "Create a new user (Y/n)? " input
  if [[ "$input" = [Yy] ]]; then
    read -p "Local username: " newuser
    if [ ! -z "$newuser" ]; then
      mkdir -p "${_aurdir}/${newuser}"
      useradd -d "${_aurdir}/${newuser}" -G aur ${newuser} || err "unable to create user $newuser"
      chown -R ${newuser}:aur "${_aurdir}/${newuser}"
      echo "==> Re-running as $newuser with su"
      su - $newuser -c "$0 $@"
    fi
  fi
  exit 0
fi

mkdir -p "${_aurdir}/$USER" || err "unable to create ${_aurdir}/$USER"
cd "${_aurdir}/$USER"

read -p "Generate global gitconfig (Y/n)? " input
if [[ "$input" = [Yy] ]]; then
  read -p "GIT email: " gitmail
  if [ ! -z "$gitmail" ]; then
    git config --global user.name $_maintainer
    git config --global user.email $gitmail
  else
    exit 1
  fi
fi

read -p "Generate a new key (Y/n)? " input
if [[ "$input" = [Yy] ]]; then
  ssh-keygen
  echo -e "\e[1;39m==> Copy public key to clipboard\e[0m"
  echo ""
  cat $HOME/.ssh/id_rsa.pub
  echo ""
  echo "Visit: https://aur4.archlinux.org/account/${_maintainer}/edit/"
  echo -e "\e[1;39m==> Paste public key into profile\e[0m"
fi

read -p "I have saved the key to my profile (y/N): " input
if [[ "$input" = [Yy] ]]; then
  echo -e "\e[1;33m==> Fetching packages\e[0m"
else
  exit 1
fi

IFS=$(echo -en "\n\b");
for pkg in $_pkgs;
do
  echo -e "\e[1;33m===> Downloading: $pkg\e[0m"
  apacman --legacy -G "$pkg" || err "unable to fetch PKGBUILD"
  rm "${pkg}.tar.gz"
  mkdir "$_tempdir"
  git clone "${_git}/${pkg}.git" "$_tempdir" || err "unable to fetch repo"
  mv temp-dir/.git ${pkg}/.git
  rm -rf "$_tempdir"
  cd "$pkg" || err "unable to cd into $pkg directory"
  mksrcinfo
  git add -A || err "not a git repo"
  git commit -m "Package imported by apac-migrate"
  read -p "Confirm push (Y/n)? " input
  if [[ "$input" = [Yy] ]]; then
    git push origin master
  fi
  cd ..
done