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scripts-ubuntu-common 📜

Store shell scripts for installing dependencies on Ubuntu.

Rules:

  • These scripts will be able to run on Docker 🐳 servers or containers, so they need to be automatable;

    • Try to keep the scripts working only when calling them, that is, avoiding interaction with the user;

    • For apt install scripts for example, the -y flag is usually added to the end so that yes is answered automatically whenever it is requested, e.g.:
    apt install reino-das-coxinhas -y # ok
    apt install good-script           # wrong, add '-y'

    • For scripts that accept arguments, assign values by default, e.g.:
    ARG1=${1}
    
    if [ -z ${ARG1} ] # checks if 'ARG1' is empty
    then
      ARG1="some-default-value"   # add a default value
    fi

    DEBIAN_FRONTEND=noninteractive apt install keyboard-configuration -y # ok
  • Do not add the sudo keyword at the beginning of the script, it is the responsibility of the command that calls it with that keyword, e.g.:

sudo apt install reino-das-coxinhas -y # wrong, remove 'sudo'
sudo apt install good-script           # wrong, remove 'sudo, add '-y'
apt install g++ -y                     # ok
  • Pay attention to the permissions of the added files. Put chown if necessary, e.g.:
CURRENT_USER=$(who | awk 'NR==1{print $1}')

chown "${CURRENT_USER}":"${CURRENT_USER}" "${DIR}" -R
  • Remove temporary files downloaded with wget and similar during script execution, e.g.:
wget https://github.com/microsoft/vscode-cpptools/releases/download/1.2.1/cpptools-linux.vsix
code --install-extension cpptools-linux.vsix
rm cpptools-linux.vsix # << don't forget