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Linux Bash Script for Download and Compile

If you plan to be installing Jamulus on many Linux machines, you may want to try this script.

The following example was tested on Linux Mint and combins all the commands above into one script for Ubuntu/Linux Mint. To incorporate the different command for different Linux distributions variables define the distribution and the release for which the installation script should be performed. Example focuses on Ubuntu with release 18.04 as example. So the suggested script name for the release is e.g. install4ubuntu18_4.sh. The script commands are generic so that the installation could also be modified so that they work on other linux distributions.

Installation dependent on Linux Distribution

The following script call different installation commands dependent on the Linux distribution. The variable DISTRO defines which commands are executed. Set the variable dependent on your Linux distribution you are using.

  • DISTRO="Ubuntu for a Ubuntu or Linux Mint
  • DISTRO="Debian for a Debian or Raspian Linux
  • DISTRO="Fedora for a Fedora Linux Furthermore if the installation is dependent of the release the variable LINVERSION is introduced but is currently not used. In the Ubuntu if statement there is an example how version dependent installation calls can be performed.
    if [ "$LINVERSION"  = "18.4" ]
    then
      echo "Perform Installation Specifics for $DISTRO Version $DISTRO" 
    fi  
    

    The variable LINVERSION is currently not used in the following script but it is just a demo how to use the version specific installation commands.

Adaptation of the Installation Script

If you want to create an installation script for Debian just copy the script install4ubuntu18_4.sh to install4debian10_6.sh and modify the distro variables to

#!/bin/sh
# set DISTRO either to "Ubuntu", "Debian" or "Fedora"
DISTRO="Debian"
LINVERSION="10.6"

After that test the installation on Debian and modify the commands so that the installation script works on Debian. Please share working installation scripts in this Wiki. The maintainer of this repository might add a folder in this repository /install_scripts for working installation scripts. Create a pull request for new installation scripts or create an issue with a request to add a documented and tested installation script to this repository.

The Installation Script

Copy the following installation script into a file and save it to the filename install4ubuntu18_4.sh. After saving the file e.g. in your Download directory change to the directory and call the following script with sh install4ubuntu18_4.sh.

#!/bin/sh
# set DISTRO either to "Ubuntu", "Debian" or "Fedora"
DISTRO="Ubuntu"
LINVERSION="18.04"

# Get Jamulus Release Name with "curl" and "grep"  
R=`curl -s https://api.github.com/repos/corrados/jamulus/releases/latest | grep -oP '"tag_name": "\K(.*)(?=")'` 
echo "Jamulus Installation Script for $DISTRO $LINVERSION"
echo "Release: $R"
INSTALLJAMULUS="no"
while true; do
    read -p "Do you wish to install Jamulus on $DISTRO $LINVERSION? (y/n) " yn
    case $yn in
        [Yy]* ) 
           echo "Start Installation $DISTRO $LINVERSION"
           echo "(1) Fetch Release $R from GitHub"
           wget https://github.com/corrados/jamulus/archive/$R.tar.gz 
           echo "(2) Extract Source Code for Jamulus Release $R from GitHub"
           tar -xvf $R.tar.gz
           echo "(3) Delete ${R}.tar.gz from GitHub"
           rm $R.tar.gz
           echo "(4) Update Repository"
           sudo apt-get update
           INSTALLJAMULUS="yes" 
           break;;
        [Nn]* ) 
           echo "Cancelled Jamulus Installation on $DISTRO $LINVERSION"
           exit;;
        * ) echo "Please answer yes or no.";;
    esac
done

# echo "Check Variable: $INSTALLJAMULUS"
	
if [ "$INSTALLJAMULUS" = "yes" ]; then     
	echo "(5) Install Build Essentials for $DISTRO"
	
	if [ "$DISTRO"  = "Ubuntu" ]
	then  
		      echo "Installation for $DISTRO" 
		      sudo apt-get install cmake qmake gcc g++ 
		      sudo apt-get install build-essential qt5-qmake qtdeclarative5-dev qt5-default qttools5-dev-tools libjack-jackd2-dev 
		      sudo apt-get install qjackctl
                      if [ "$LINVERSION"  = "18.4" ]
                      then
                          echo "Perform Installation Specifics for $DISTRO Version $DISTRO" 
                      fi  
	
  	elif [ "$DISTRO" = "Debian" ]
	then    
			  sudo apt-get install build-essential qtdeclarative5-dev qt5-default qttools5-dev-tools libjack-jackd2-dev 
			  sudo apt-get install qjackctl
	elif [ "$DISTRO" = "Fedora" ]
	then    
			  sudo dnf install qt5-qtdeclarative-devel jack-audio-connection-kit-dbus jack-audio-connection-kit-devel 
			  sudo dnf install qjackctl
	fi
           
	echo "(6) Compile Jamulus $R"
	echo "Change to Directory jamulus-$R" 
	cd "jamulus-$R"
	# ls
	qmake Jamulus.pro
	make clean
        make
        sudo make install
        echo "Compilation DONE"
        cd ..
        echo "(6) Delete the Source Files after Installation"
        rm -R "jamulus-$R"
           
else

	echo "Installation cancelled"

fi

Possible Improvements of the Installation Script for Jamulus

The script can ask in the very beginning for which linux distribution the installation script should be called. This can be tested with the command lsb_release

With the lsb_release command the command returns the distribution specific information about a Linux distro. With a grep command with regular expression the variable DISTRO and LINVERSION. E.g. the Ubuntu based systems return with the command the following information.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 11.04
Release:        11.04
Codename:       natty

The challenge is, that lsb_release command must be available on Linux system. On CentOS/Fedora based systems lsb_release command is only available, if the lsb core packages are installed. So the automated Linux version detected might no work.

So reading the DISTRO and LINVERION with the read command might be the better distribution dependent improvement than an automated setting with lsb_release.

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