#!/usr/bin/env bash

: rvm_scripts_path:${rvm_scripts_path:="$rvm_path/scripts"}
: rvm_user_path:${rvm_user_path:="$rvm_path/user"}

source "$rvm_scripts_path/initialize"
source "$rvm_scripts_path/functions/db"
source "$rvm_scripts_path/functions/logging"
source "$rvm_scripts_path/functions/support"
source "$rvm_scripts_path/functions/utility"

rvm_warn "\
In case of problems: ${rvm_notify_clr:-}http://rvm.io/help ${rvm_warn_clr:-}and ${rvm_notify_clr:-}https://twitter.com/rvm_io"

__today_s="$( date +%s 2>/dev/null )"
if
  [[ ${__today_s:-1384383600} -lt 1384383600 ]]
then
  rvm_warn "\
       Help RVM 2.0: ${rvm_notify_clr:-}https://www.bountysource.com/fundraisers/489-rvm-2-0"
fi
unset __today_s

if [[ "$1" == "initial" ]]
then
  notes_type=Upgrade
  PAGER=\cat
  new_notes()
  {
    typeset file
    file="$rvm_path/config/displayed-notes.txt"
    \rm -f "${file}"
    tee "${file}" > /dev/null
  }
  important_message()
  {
    rvm_error "$@"
  }
  important_redirect()
  {
    \cat - >&2
  }
elif [[ "$1" == "upgrade" ]]
then
  notes_type=Upgrade
  PAGER=\cat
  new_notes()
  {
    typeset file
    file="$rvm_path/config/displayed-notes.txt"
    touch "${file}"
    tee "${file}.new" | (
      diff - "${file}" &&
      printf "  * No new notes to display.\n" >&2 ||
      true
    ) | __rvm_sed '/^[^<]/ d ; s/^< //'
    printf "\n" >&2
    \mv -f "${file}.new" "${file}"
  }
  important_message()
  {
    rvm_error "$@"
  }
  important_redirect()
  {
    \cat - >&2
  }
else
  notes_type=Installation
  new_notes()
  {
    \cat
  }
  important_message()
  {
    rvm_warn "$@"
  }
  important_redirect()
  {
    \cat -
  }
fi

if [[ "$1" == "upgrade" ]]
then
  printf "%b" "
$notes_type Notes:

"
fi

# duplication marker kdfkjkjfdkfjdjkdfkjfdkj
load_custom_flags()
{
  if
    [[ -s "${rvm_path:-}/user/custom_flags" ]]
  then
    typeset __key __value
    while IFS== read __key __value
    do
      eval "export ${__key}=\"\${__value}\""
    done < "${rvm_path:-}/user/custom_flags"
  fi
}
load_custom_flags

# this block groups generated and static notes,
# to add generated msgs put them below in code
# for general messages put them in help/upgrade-notes.txt
{
  if [[ -z "$1" ]]
  then
    printf "%b" "
$notes_type Notes:

"
  fi

  if [[ "$rvm_path" == "/usr/local/rvm" ]] || (( UID == 0 ))
  then
    printf "%b" "
  * Please do NOT forget to add your users to the 'rvm' group.
    The installer no longer auto-adds root or users to the rvm group. Admins must do this.
    Also, please note that group memberships are ONLY evaluated at login time.
    This means that users must log out then back in before group membership takes effect!

"
  fi

  : \
    rvm_scripts_path:${rvm_scripts_path:-$rvm_path/scripts}:

  \cat "$rvm_path/help/upgrade-notes.txt" | __rvm_sed \
   -e "s/\${SHELL}/${SHELL//\//\/}/g" \
   -e "s/\${rvm_scripts_path}/${rvm_scripts_path//\//\/}/g"

  printf "\n"

  if
    [[ ${rvm_ignore_dotfiles_flag:-0} == 0 ]] &&
    [[ -f /etc/profile.d/rvm.sh ]] &&
    ! __rvm_grep rvm_stored_umask /etc/profile.d/rvm.sh >/dev/null
  then
    important_message "
  * WARNING: your RVM loading script \`/etc/profile.d/rvm.sh\` is deprecated
    and causes you to have \`umask g+w\` set in your shell,
    run \`rvm get head --auto-dotfiles\` again to fix your scripts.
"
  fi

  if [[ "$rvm_path" == "/usr/share/ruby-rvm" ]]
  then
    important_message "
  * WARNING: You are using apt-get broken RVM, you should now:

      sudo apt-get --purge remove ruby-rvm
      sudo \rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh

    open new terminal and validate environment is clean from old rvm settings:

      env | __rvm_grep rvm

    install RVM:

      curl -L https://get.rvm.io | bash -s stable --autolibs=enable

    for details check:

      http://stackoverflow.com/a/9056395/497756
"
  fi

  for __var in RUBYOPT RUBYLIB
  do
    if eval "[[ -n \"\${${__var}:-}\" ]]"
    then
      important_message "
  * WARNING: You have ${__var} set in your current environment.
    This may cause rubies to not work as you expect them to as it is not supported
    by all of them If errors show up, please try unsetting ${__var} first.
"
    fi
  done

  if
    [[ ${rvm_ignore_dotfiles_flag:-0} == 0 ]] &&
    [[ -f "$HOME/.profile" ]] && ! [[ "$rvm_path" == "/usr/local/rvm" || $UID == 0 ]]
  then
    for __var in "$HOME/.bash_profile" "$HOME/.bash_login"
    do
      if
        [[ -f "${__var}" ]]
      then
        __rvm_grep 'source.*profile' "${__var}" >/dev/null 2>&1 ||
        {
          important_message "
  * WARNING: You have '~/.profile' file, you might want to load it,
    to do that add the following line to '${__var}':

      source ~/.profile
"
        }
        break
      fi
    done
  fi

  typeset __user_shell __zsh_version
  if
    __user_shell="$(__rvm_get_user_shell)" &&
    [[ -n "${__user_shell:-}" ]] &&
    __zsh_version="$(${__user_shell} -c 'echo $ZSH_VERSION' 2>/dev/null)" &&
    [[ -n "${__zsh_version:-}" ]] &&
    __rvm_version_compare "${__zsh_version}" -ne 4.3.12 &&
    __rvm_version_compare "${__zsh_version}" -lt 5.0.0
  then
    important_message "
  * WARNING: ${__user_shell} version ${__zsh_version} detected - Zsh 4.3.12 / 5.0.0+ is recommended,
    with current one errors to be expected - bugs in shell code interpretation.
"
  fi

  typeset -a __files
  __files=()
  for __file in ~/.zlogin ~/.zshrc ~/.bash_profile ~/.bashrc
  do
    if [[ -f "${__file}" ]]
    then __files+=( "${__file}" )
    fi
  done
  if
    [[ ${rvm_ignore_dotfiles_flag:-0} == 0 ]] &&
    (( ${#__files[@]} )) &&
    __rvm_grep -rn '^[^#]*PATH=' "${__files[@]}" |
      __rvm_grep -vE '[[:alnum:]_]PATH=|PATH=.*PATH'
  then
    # account for grep not showing file name for just one file checked
    if (( ${#__files[*]} == 1 ))
    then __file="Your '${__files[*]}'"
    else __file="Above files"
    fi
    important_message "
  * WARNING: ${__file} contains \`PATH=\` with no \`\$PATH\` inside, this can break RVM,
    for details check https://github.com/wayneeseguin/rvm/issues/1351#issuecomment-10939525
    to avoid this warning append #PATH.
"
  fi | important_redirect

  if [[ -n "${GEM_HOME:-}" ]] && ! [[ "${GEM_HOME}" =~ "$rvm_path/" ]]
  then
    important_message "
  * WARNING: you have GEM_HOME=\"${GEM_HOME}\" this is conflicting with RVM, make sure to:

      unset GEM_HOME
"
  fi

  if
    [[ -f /etc/rvmrc && -s /etc/rvmrc ]] &&
    __rvm_grep 'rvm_configure_env=.*/opt/sm' /etc/rvmrc >/dev/null 2>&1
  then
    important_message "
  * WARNING: you have 'rvm_configure_env' in /etc/rvmrc, run the following to fix:

      sudo sed -i'' -e \"/rvm_configure_env=.*\/opt\/sm/d\" /etc/rvmrc
      rvm autolibs smf
"
  fi

  if
    [[ -z "${rvm_ignore_gemrc_issues:-}" ]]
  then
    typeset _check _gemrc _found
    _found=0
    for _gemrc in "/etc/gemrc" "${HOME}/.gemrc"
    do
      if
        [[ -r "${_gemrc}" ]]
      then
        for _check in " -n" --user-install gemhome gempath
        do
          if
            __rvm_grep -E -- '^'"${_check}"'|^[^#]*'"${_check}" "${_gemrc}" >/dev/null
          then
            (( _found++ ))
            important_message "  * WARNING: Found ${_check} in ${_gemrc}, please remove it, as it will break rubygems in RVM."
          fi
        done
      fi
    done
    if
      (( _found ))
    then
      important_message "    If it is intended or a mistake 'export rvm_ignore_gemrc_issues=1' to avoid this warning.
"
    fi
  fi

  if
    [[ -x /usr/local/bin/rvm ]]
  then
    important_message "
  * WARNING: you have '/usr/local/bin/rvm', it's most likely a bug of old installation, in most cases it's safe to remove it:

    rm /usr/local/bin/rvm
"
  fi
} | new_notes | eval "${PAGER:-\cat}"
