GUI Updates script - Printable Version

Code:
#!/bin/bash

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

# Name: Linux Lite Updates

# Description: A GUI tool to easily install Updates in Linux Lite.

# Authors: Misko_2083, Jerry Bezencon

# Date: Nov 20th, 2014

# Website: https://www.freecinema2022.gq

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



# Kill off any package managers that may be running

sudo killall -9 synaptic

killall -9 gdebi-gtk



# Need a check here to see if any updates are available, if there are none, script pops up dialog box saying 'No Updates Available'





# Erase existing available info

sudo dpkg --clear-avail



# Linux Lite default dialog icon

ic="/usr/share/icons/zenity-llcc.png"



# Get list of available updated packages then populate them to /tmp/updateslist

zenity --question --title="Linux Lite Updates" --window-icon="/usr/share/icons/zenity-llcc.png" --text="We will now fetch the Updates list.\n\nClick Yes to continue or No to abort."

   if [ "$?" -eq "0" ];then



x=$( stdbuf -oL /bin/bash \-c '(sudo apt-get update \-y )' 2>&1 |

stdbuf -oL sed -n -e '/\[*$/ s/^/# /p' -e '/\*$/ s/^/# /p'|

zenity --progress --title="Updating package information..." --pulsate \

--width=600 --auto-close )



LISTNAMES=$(apt-get --just-print upgrade 2>&1 | perl -ne 'if (/Inst\s([\w,\-,\d,\.,~,:,\+]+)\s\[([\w,\-,\d,\.,~,:,\+]+)\]\s\(([\w,\-,\d,\.,~,:,\+]+)\)? /i) {print "Name: $1 INSTALLED: $2 AVAILABLE: $3\n"}' | tee /tmp/updateslist)



else

       exit 0

fi



# Call the zenity dialog to show update list

zenity --text-info --title="List of available Updates - Click OK to continue or Cancel to stop the update process" --width=700 --height=300 --filename="/tmp/updateslist"

   if [ "$?" -eq "0" ];then



# Main window dialogue.

 INSTALLER_TITLE="Linux Lite Updates

-----------------------------------------------------------------------------------------------------------



Please make sure all software installation programs like

<b>Synaptic Package Manager</b> and <b>Gdebi</b> are closed before proceeding.



When you click on <b>Yes</b>, this window will close and the updates will begin.



-----------------------------------------------------------------------------------------------------------

Click on <b>Yes</b> to continue or <b>No</b> to cancel the updates process."



# Halt updates script if user selects Cancel

else

       exit 0

fi



# Continue script if no halt

 INSTALL_ICON="/usr/share/icons/zenity-llcc.png"

 APPNAME="Linux Lite"

        

        zenity --question --title="$APPNAME Updates" --window-icon="${INSTALL_ICON}" --text="${INSTALLER_TITLE}"



                if [ "$?" -eq "0" ]; then



x=$( stdbuf -oL /bin/bash \-c '(sudo apt-get upgrade \-y )' 2>&1 | tee /var/log/llupdates.log |

stdbuf -oL sed -n -e '/\[*$/ s/^/# /p' -e '/\*$/ s/^/# /p'|

zenity --progress --title="Updating..." --pulsate \

--width=600 --auto-close )



                                if [ "${PIPESTATUS[0]}" -ne "0" ]; then

                        

                                        zenity --error \

                                        --title="Error" --text="$APPNAME Updates have failed."

                                        exit 0

                                fi



                else



                                        exit 0

                fi



PROCEED=$(zenity --question --title="$APPNAME Updates" --window-icon=/usr/share/icons/zenity-llcc.png --text="Updates have finished installing.\n\nWould you like to view the $APPNAME Updates log?"; echo $?)

if [ ${PROCEED} -eq 1 ]; then

   zenity --info --title="$APPNAME Updates" --window-icon="${INSTALL_ICON}" --text="$APPNAME Updates Complete."

   exit;

else

   zenity --text-info --title="Updates Log" --width=700 --height=300 --filename="/var/log/llupdates.log"

fi



exit 0