Install latest version of tmux on CentOS 7

install_tmux.sh

#!/usr/bin/env bash

declare -g -- _sudo=
declare -ag -- _foldersToRemove=()
declare -ag -- _filesToRemove=()

trap cleanup SIGINT SIGTERM

die ()
{
    (( $# )) && printf '\e[31mError: \e[0m%s\n' "$@"
    echo "Exiting ..."
    exit 1
}

cleanup ()
{
    local -- fileToRemove=
    local -- folderToRemove=

    for fileToRemove in "${_filesToRemove[@]}"; do
        [[ -f "$fileToRemove" ]] && rm -f "$fileToRemove"
    done

    for folderToRemove in "${_foldersToRemove[@]}"; do
        [[ -d "$folderToRemove" ]] && rm -rf "$folderToRemove"
    done

    die
}

enableRoot ()
{
    local -- attempts=3
    
    echo "The script requires sudo privileges to install applications"
    sudo -k

    while (( attempts-- )) && read -srp "> " -t 60 password 2>&1
    do
        printf "checking ... "

        if echo "$password" | sudo -Sv 2>/dev/null
        then
            echo "Correct"
            _sudo="sudo"
            return
        fi

        echo "Incorrect password"
    done

    die "Sudo privileges not granted"
}

showProgress ()
{
    local -r -- maxWidth=$(( $( tput cols ) - 45 ))
    local -r -- index=${2:-0}
    local -r -- count=${3:-1}
    local -r -- percent=$(( (((200 * $index) / $count) % 2) + ((100 * $index) / $count) ))

    local -- lengthOver=
    local -- padding=
    local -- package="$1"

    lengthOver=$(( $maxWidth - ${#package} ))
    (( $lengthOver > 0 )) && package="${package:0:$lengthOver}"
    eval printf -v padding '%.s.' {2..$lengthOver}

    printf "Total: %3s%% | Package: %s %s | Status: Processing\e[10D" "$percent" "$package" "$padding"
}

updateStatus ()
{
    local -r -- statusCode=$1
    local -r -- errorCode=$2
    local -r -- errors="${3:-}"

    local -- status=

    case $statusCode in
        (0) {
            printf '\e[31mError:\e[0m %3s\n' $errorCode
            [[ -n "$error" ]] && printf '%s\n\n' "$error" || echo
        };;
        (1) {
            printf '\e[32m%-11s\e[0m\n' "Success"
        };;
        (2) {
            printf '\e[34m%s\e[0m\e[10D' "Downloading"
        };;
        (3) {
            printf '\e[33m%-11s\e[0m\e[10D' "Extracting"
        };;
        (4) {
            printf '\e[33m%s\e[0m\e[10D' "Configuring"
        };;
        (5) {
            printf '\e[33m%-11s\e[0m\e[10D' "Making"
        };;
        (6) {
            printf '\e[34m%-11s\e[0m\e[10D' "Installing"
        };;
    esac
    
    return $statusCode
}

installFromRepo ()
{
    local -r -- packages=( "$@" )
    local -r -- packageCount=$#

    local -- packageIndex=-1
    local -- error=

    printf "\nInstalling from repo...\n"

    while (( ++packageIndex < $packageCount ))
    do
        showProgress "${packages[$packageIndex]}" $packageIndex $packageCount

        error=$( $_sudo yum -y install "${packages[$packageIndex]}" 2>&1 >/dev/null )

        updateStatus $(( $? == 0 )) $? "$error"
    done
}

installFromGit ()
{
    local -r -- account="${1%/*}"
    local -r -- repo="${1#*/}"
    local -r -- link="https://api.github.com/repos/${account}/${repo}/releases/latest"
    local -r -- tmpDir="/tmp/${account}_${repo}"
    local -r -- tmpFile="/dev/shm/dump_${RANDOM}.txt"
    
    local -- tarFile=
    local -- error=

    printf "\nInstalling from git...\n"

    showProgress "${account}/${repo}"

    if [[ ! -d "$tmpDir" ]]; then
        _foldersToRemove+=( "$tmpDir" )
        mkdir "$tmpDir" 2>/dev/null
    fi

    cd "$tmpDir"

    updateStatus 2
    error=$( wget -qO "$tmpFile" "$link" )
    updateStatus $(( $? > 0 ? 0 : 3 )) $? "$error"
    (( $? )) || return 1

    tarFile=$( grep -Pom1 '(?<=name": ").+?gz(?=")' "$tmpFile" )

    error=$( grep -Pom1 '(?<=download_url": ").+?gz(?=")' "$tmpFile" | wget -i- -qO "$tarFile" 2>&1 >/dev/null)
    updateStatus $(( $? > 0 ? 0 : 3 )) $? "$error"
    (( $? )) || return 1

    [[ -f "$tarFile" ]] && _filesToRemove+=( "$tarFile" )

    error=$( tar xf "$tarFile" 2>&1 >/dev/null )
    updateStatus $(( $? > 0 ? 0 : 4 )) $? "$error"
    (( $? )) || return 1

	tarFile="${tarFile//.tar.gz/}"
    [[ -d "$tarFile" ]] && _foldersToRemove+=( "${tmpDir}/${tarFile}" )
    cd "$tarFile"

    ./configure --prefix=/usr/local >/dev/null 2>&1
    updateStatus $(( $? > 0 ? 0 : 5 )) $?
    (( $? )) || return 1

    error=$( make 2>&1 >/dev/null )
    updateStatus $(( $? > 0 ? 0 : 6 )) $? "$error"
    (( $? )) || return 1

    error=$( $_sudo make install 2>&1 >/dev/null )
    updateStatus $(( $? == 0 )) $? "$error"
    (( $? )) || return 1
}

runInstall ()
{
    installFromRepo "gcc" "make" "libevent-devel" "ncurses-devel"
    installFromGit "tmux/tmux"
    (( $? )) && return 1
}

if (( $EUID ))
then
    enableRoot
fi

runInstall
cleanup