Run this to run the latest Vivaldi snapshot debug, or download and setup Vivaldi debug for the currently installed Vivaldi snapshot

vivaldi-snapshot-debug.sh

#!/bin/bash

#Start with option to reset debug-version file with -r switch
#RESET determines whether to clear the debug-version file
RESET='false'

usage()
{
	echo "Usage: vivaldi-snapshot-debug [ -r | --reset ] [ -h | --help ]"
	exit 2
}

#Use getopt to parse switches.
PARSED_ARGUMENTS=$(getopt -a -n vivaldi-snapshot-debug -o rh --long reset,help -- "$@")
VALID_ARGUMENTS=$?
if [ "$VALID_ARGUMENTS" != "0" ]; then
	usage
fi

#echo "PARSED_ARGUMENTS is $PARSED_ARGUMENTS"
eval set -- "$PARSED_ARGUMENTS"
while :
do
	case "$1" in
		-h | --help)
			#A basic help description of this script
			echo "This script essentially automates the instructions for installing the debug binary for a vivaldi-snapshot found here: https://help.vivaldi.com/article/reporting-crashes-on-linux/"
			echo ""
			echo "This script will:"
			echo "1 - Detect the version of vivaldi-snapshot that you are using"
			echo "2 - Check if you already have a debug file installed for the current version of vivaldi-snapshot"
			echo "3 - Download the appropriate debug file only if you do not have the current debug file installed.  The debug file will be downloaded to your ~/Downloads folder and then unzipped and placed in /opt/vivaldi-snapshot.  If the appropriate debug file is already installed then no download will be performed"
			echo "4 - Run vivaldi-snapshot with gdb when the appropriate debug file is available"
			echo ""
			echo "This script assumes vivaldi-snapshot is installed in /opt/vivaldi-snapshot/"
			echo "This script will create a file to record the current version number of the debug file in /opt/vivaldi-snapshot/vivaldi-snapshot-debug-version"
			echo ""
			echo "Use the switch -r or --reset to clear the version of the debug file that is stored in /opt/vivaldi-snapshot/vivaldi-snapshot-debug-version.  This will force a download of the appropriate debug file the next time this script is used"
			echo ""
			usage
			shift
			;;
		-r | --reset)
			#Set the RESET variable to true to enable clearing the debug file
			RESET='true'
			shift
			;;
		--)
			shift
			break
			;;
		*)
			echo "Unexpected option: $1."
			usage
			;;
	esac
done
#End of getopt parsing

#Allow the -r flag to be used to clear record of current debug version number by setting RESET to true
#Clear the record of the current debug version when RESET is true
if [ $RESET = 'true' ]; then
 echo "Clearing record of debug version"
 sudo echo "" | sudo tee /opt/vivaldi-snapshot/vivaldi-snapshot-debug-version > /dev/null
 #For now just exit after resetting.  User can re-reun script without -r to install again.  Maybe use UPDATEDEBUG here to get current debug file after resetting.
 exit 0
fi

#Get vivaldi snapshot version - expected format of 'vivaldi-snapshot --version' is: Vivaldi X.X.XXXX.XX snapshot
SNAPSHOTVERSION=$(vivaldi-snapshot --version | awk '{print $2}')
#Get system architecture
ARCH=$(arch)
#Format filename with version and architecture for downloading file
VERSION=$SNAPSHOTVERSION-$ARCH
#Set Download directory
DLOAD="$HOME"/Downloads
#Initialize a flag for updating the debug file
UPDATEDEBUG="0"
#Initialize debug version
DVERSION="0"

echo "Current version of Vivaldi snapshot is: " "$VERSION"
echo "Checking if the debug file is currently installed..."

#Check if a debug file exists and a file exists that provides the snapshot debug version
if [ -f /opt/vivaldi-snapshot/vivaldi-snapshot-debug ] && [ -f /opt/vivaldi-snapshot/vivaldi-snapshot-debug-version ] ; then
 #Read the first line of /opt/vivaldi-snapshot/vivaldi-snapshot-debug-version to get the current version of the debug file
 echo "Debug file found.  Checking version..."
 read -r DVERSION < /opt/vivaldi-snapshot/vivaldi-snapshot-debug-version
 echo "Current version of debug file is " "$DVERSION"
else
 #If there isn't already a vivaldi-snapshot-debug-version, then set a flag to download the current debug version
 UPDATEDEBUG="1"
fi

#Check if the current debug file is already in /opt/vivaldi-snapshot by checking the value of the vivaldi-snapshot-debug-version file or if the update flag is set
#if [ -f /opt/vivaldi-snapshot/vivaldi-"$VERSION"-debug ] ; then
if [ "$DVERSION" != "$VERSION" ] || [ "$UPDATEDEBUG" == "1" ] ; then
 #If debug not found or update flag is set then ask to download.
 #Prompt accepts one keystroke.  Script ends unless input is y, Y or Enter.
 read -p "Current version of debug file not found.  Download now? [Y/n]" -n 1 -r
 echo
 if [[ ! $REPLY =~ ^(y|Y|"")$ ]]; then 
  #Exit if user doesn't want to download
  exit 0
 fi
 #Download debug file for current version of vivald-snapshot to ~/Downloads
 echo "Downloading debug file and unzipping to ~/Downloads ..."
	echo ""
 wget -c -P"$DLOAD" https://vivaldi.com/download/vivaldi-$VERSION-debug.zip
	#Check for failed download
 WGETRETURN=$?
	if [[ $WGETRETURN -ne 0 ]]; then
		#If the download fails give a basic message then exit
		echo "There was an error downloading vivaldi-"$VERSION"-debug.zip"
		echo "Perhaps the debug binary has not been made available."
		echo "Press any key to exit..."
		read EXITVAR
		exit 1
	fi
	#Check that the zip file is downloaded where expected
	if [ ! -f "$DLOAD"/vivaldi-"$VERSION"-debug.zip ]; then
 	echo "The zip file " "$DLOAD"/vivaldi-"$VERSION"-debug.zip "was not found."
		echo "Press any key to exit..."
		read EXITVAR
		exit 2
	fi
	echo "Unzipping..."
 gzip -dS.zip "$DLOAD"/vivaldi-"$VERSION"-debug.zip
	echo "Debug file will be installed to Vivaldi snapshot install location /opt/vivaldi-snapshot/vivaldi-snapshot-debug"
	if [ ! -f "$DLOAD"/vivaldi-"$VERSION"-debug ]; then
 	echo "The debug file " "$DLOAD"/vivaldi-"$VERSION"-debug.zip "did not unzip properly."
		echo "Press any key to exit..."
		read EXITVAR
		exit 3
	fi
 sudo install -m755 $(ls -t "$DLOAD"/vivaldi-"$VERSION"-debug | head -1) /opt/vivaldi-snapshot/vivaldi-snapshot-debug
 #Add the current version of the vivaldi-debug file to /opt/vivaldi-snapshot/vivaldi-snapshot-debug-version to check next time this script is run
 echo "$VERSION" | sudo tee /opt/vivaldi-snapshot/vivaldi-snapshot-debug-version > /dev/null
 #Run vivaldi with debug
 echo "Debug file is at current version for vivaldi-snapshot.  Starting vivaldi-snapshot.  If Vivaldi crashes enter 'bt' to run a backtrace.  After closing Vivaldi enter 'quit' to exit"
 gdb -ex run --args /opt/vivaldi-snapshot/vivaldi-snapshot-debug --user-data-dir="$HOME"/.config/vivaldi-snapshot
else
	echo ""
 #Run vivaldi with debug
 echo "Debug file is at current version for vivaldi-snapshot.  Starting vivaldi-snapshot.  If Vivaldi crashes enter 'bt' to run a backtrace.  After closing Vivaldi enter 'quit' to exit"
	echo ""
 gdb -ex run --args /opt/vivaldi-snapshot/vivaldi-snapshot-debug --user-data-dir="$HOME"/.config/vivaldi-snapshot
fi



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