rollbackpkg

#!/bin/sh
# This file is part of the Heresy Plugins
# http://github.com/idlemoor/heresy
#
# Copyright 2017 David Spencer, Baildon, West Yorkshire, U.K.
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#===============================================================================
#
# /usr/sbin/rollbackpkg
#
#===============================================================================


#-------------------------------------------------------------------------------

while [ "${1:-}" != '' ]; do

  arg=$(basename $1)
  shift

  if [ -f /var/log/packages/"$arg" ]; then
    # exact match!
    prgnam="$arg | rev | cut -f4- -d- | rev)"
  else
    # we want exactly one installed package
    pkgnam=""
    for pkgpath in $(find /var/log/packages/"$arg"* -type f -maxdepth 0 2>/dev/null); do
      trypkgnam=$(basename $pkgpath)
      tryprgnam="$(echo "$trypkgnam" | rev | cut -f4- -d- | rev)"
      if [ "$tryprgnam" = "$arg" ]; then
        [ -z "$pkgnam" ] || { echo "remakepkg: /var/log/packages is broken: $1" >&2; exit 5; }
        pkgnam="$trypkg"
      fi
    done
    [ -n "$pkgnam" ] || { echo "remakepkg: Package is not installed: $1" >&2; exit 4; }
  fi



















  arg=$(basename $1)
  shift

  for pkg in $(find "$H_ROLLBACK_REPO"/"$arg"* -type f -mindepth 0 -maxdepth 0); do
    pkgbase=


  done

  [ -n "$match" ] || { echo "Invalid package name: $1" >&2; continue; }

  [ "$H_LOG_ENABLED" = 'yes' ] && hl_start "$match" rollback
  upgradepkg --reinstall "$match"
  [ "$H_LOG_ENABLED" = 'yes' ] && hl_finish "$match" rollback

done

exit 0

#===============================================================================