aptRepository-remove

#! /bin/bash 

# Shell program to remove ppa launchpad repository added with add-apt-repository ufficial script#
# sudo add-apt-repository ppa:<repository_name>                                                 #
# sudo add-apt-repository ppa:<repository_name>/<subdirectory>                                  #
# ———————————————–——–——–—————————————————–——–——–—————————————————–—————————————————–————————————#
# Copyright (c) 2009 Ingalex project <http://www.sourceslist.eu>                                #
# This script is licensed under GNU GPL version 3.0 or above                                    #
#                                                                                               #  
# Redistribution and use in source and binary forms, with or without                            #
# modification, are permitted provided that the following conditions                            #
# are met:                                                                                      #
# 1. Redistributions of source code must retain the above copyright                             #
#    notice, this list of conditions and the following disclaimer.				#
# 2. Redistributions in binary form must reproduce the above copyright				#
#    notice, this list of conditions and the following disclaimer in the			#
#    documentation and/or other materials provided with the distribution.			#
#												#
# THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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.											#
# ———————————————————————————————————————–——–——–—————————————————–—————————————————–————————————#
# This script is part of Ingalex shell script collection                                        #
# Visit http://www.sourceslist.eu for more information.                                         #
# ———————————————————————————————————————–——–——–—————————————————–—————————————————–————————————#
# Syntax: sudo remove-apt-repository <repository_name>                                          #
#         sudo remove-apt-repository <repository_name>/<subdirectory>                           #
# ———————————————————————————————————————–——–——–—————————————————–—————————————————–————————————#

## functions defining

remove_repo () {
echo -ne 'Please Wait                            (0%)\r'
    sleep 1
    echo -ne 'Please Wait #####                     (33%)\r'
    apt-get update > /dev/null
    echo -ne 'Please Wait #############             (66%)\r'
    s1="$(echo $1 | sed "s:\/:\-:")-$(lsb_release -c | awk '{print $2}').list"
    s2="$(echo $1 | sed "s:\/:\-:")-ppa-$(lsb_release -c | awk '{print $2}').list"
    r1="ppa.launchpad.net_$(echo $1 | sed "s:\/:\_:")_ubuntu_dists_$(lsb_release -c | awk '{print $2}')_Release"
    r2="ppa.launchpad.net_$(echo $1 | sed "s:\/:\_:")_ppa_ubuntu_dists_$(lsb_release -c | awk '{print $2}')_Release"
    cd /etc/apt/sources.list.d/
    if [ -f "$s1" ] ; then
	keyid="$(gpg --verify --no-permission-warning /var/lib/apt/lists/$r1.gpg /var/lib/apt/lists/$r1 2>&1 1>/dev/null | head -n 1 | awk '{print $15}' )"
        rm -rf /etc/apt/sources.list.d/$s1 && apt-key del $keyid > /dev/null && echo -ne 'Compleated  #######################   (100%)\r' && echo -e '\E[32;40mppa launchpad repository successfully removed:' $1 && tput sgr0
    elif [ -f "$s2" ] ; then
	keyid="$(gpg --verify --no-permission-warning /var/lib/apt/lists/$r2.gpg /var/lib/apt/lists/$r2 2>&1 1>/dev/null | head -n 1 | awk '{print $15}')"
	rm -rf /etc/apt/sources.list.d/$s2 && apt-key del $keyid > /dev/null && echo -ne 'Completed  #######################   (100%)\r' && echo -e '\E[32;40mppa launchpad repository successfully removed:' $1 && tput sgr0
    else
	echo -ne 'Completed  #######################   (100%)\r'
	echo -e '\E[31;40munsuccessful removing - ppa launchpad repository not present or wrong syntax' && tput sgr0
    fi
}

help_option() {
    echo "                                   "
    echo "Usage: add-apt-repository [options]"
    echo "                                   "
    echo "Syntax:                            "
    echo "sudo remove-apt-repository <repository_name>"
    echo "sudo remove-apt-repository <repository_name>/<subdirectory>"
    echo "                                   "
    echo "Options:                           "
    echo "-h, --help  show this help message and exit"
}


list_option() {
      cd /etc/apt/sources.list.d/
      sources=$(dir *.list)
      if [ "$sources" = ""  ]; then
      echo "No repository PPA Launchpad installed"
      else
      echo
      echo -e '\E[33;40mPPA Launchpad repositories added to your list of software sources:' && tput sgr0
      echo
      for mysources in $sources
      do
      if [ -f "$mysources" ]
      then
      repo=$(sed 's:deb\ http\:\/\/ppa.launchpad.net/:'':g' $mysources | sed 's:\/ubuntu\ karmic\ main:'':g'| sed 's:\/ppa:'':g')
#       repot=${mysources%%-karmic.list}
#       repo=${repot%%-ppa} 2>&1 1>/dev/null
      echo $repo
      fi
      echo
      done
      fi
}

## script


WHOAMI=$(/usr/bin/whoami)  

if [ "$WHOAMI" != "root" ] ; then
   /bin/echo   
   /bin/echo -e 'ERROR: you have to execute this command with root privileges: put "sudo" before this command!'
   /bin/echo   
   exit 1
else

      if [ "$1" = "--help" -o "$1" = "-h" ]; then
      help_option
      elif [ "$1" = "--list" -o "$1" = "-l" ]; then
      list_option
      else
	    controll=$(grep -e http://ppa.launchpad.net /etc/apt/sources.list)
	    if [ "$controll" != ""  ]; then 
	    echo ""
	    echo "Pay attention! You have some repository PPA Launchpad in your /etc/apt/sources.list but with this command you can remove only PPA Launchpad present in /etc/apt/sources.list.d/"
	    echo "Do you wish to continue? [Y/N]"
	    read answer
		if [ "$answer" = "Si" -o "$answer" = "S" -o "$answer" = "Y" -o "$answer" = "Yes" ]; then 
		remove_repo "$1"
		else 
		exit
		fi
	    else
	    remove_repo "$1"
	    fi
      fi
fi
exit 0