TeXiT/install at master · asder8215/TeXiT · GitHub

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#!/bin/bash

install_type=""
dir=""
success=""

# Usage message for the install script.
function usg_msg() {
cat << ENDOFTEXT
Usage: ./install <'sys'|'user'> ['uninstall']
    - sys: Installs TeXiT for every user (requires sudo).
    - user: Installs TeXiT for the current user.
    - uninstall: Uninstalls TeXiT for either 'sys' or 'user'.
ENDOFTEXT
}

# Checking length of arguments when running ./install.
if [ -z "$1" ]; then
    usg_msg
    exit 0
elif [ $# -gt 2 ]; then
    echo "Error: Too many arguments." >&2
    usg_msg
    exit 1
else
    install_type="$1"
fi

# Error checking content of first and second argument.
if [[ "$install_type" != "sys" ]] && [[ "$install_type" != "user" ]]; then
    echo "Error: Invalid first argument." >&2
    usg_msg
    exit 1
elif [[ ! -z "$2" ]] && [[ "$2" != "uninstall" ]]; then
    echo "Error: Invalid second argument." >&2
    usg_msg
    exit 1
fi

# Proceeding with either installing or uninstalling TeXiT.
if [[ "$2" == "uninstall" ]]; then
    if [[ "$install_type" == "sys" ]]; then
        sudo rm "/usr/local/bin/texit" "/usr/local/share/applications/TeXiT.desktop"\
        && success="1"
    elif [[ "$install_type" == "user" ]]; then
        rm "$HOME/.local/bin/texit" "$HOME/.local/share/applications/TeXiT.desktop"\
        && success="1"
    fi
else
    make
    if [[ "$install_type" == "sys" ]]; then
        dir="/usr/local"
        sudo cp ./texit "$dir/bin/"\
        && sudo cp ./TeXiT.desktop "$dir/share/applications/"\
        && success="1"
    elif [[ "$install_type" == "user" ]]; then
        dir="$HOME/.local"
        cp ./texit "$dir/bin/"\
        && cp ./TeXiT.desktop "$dir/share/applications/"\
        && success="1"
    fi
    make clean
fi

# Error checking if the user has entered sudo correctly.
if [ -z "$success" ]; then
    if [[ "$2" == "uninstall" ]]; then
        echo "Error: Failed to uninstall." >&2
        exit 1
    else
        echo "Error: Failed to install." >&2
        exit 1
    fi
else
    if [[ "$2" == "uninstall" ]]; then
        echo "Uninstalled TeXiT."
        exit 0
    else
        echo "TeXiT installed in $dir."
        exit 0
    fi
fi