,install_sys_cmd

#!/usr/bin/env bash

# Thanks https://unix.stackexchange.com/a/6348/5362
if [ -f /etc/os-release ]; then
    # freedesktop.org and systemd
    . /etc/os-release
    OS=$NAME
    VER=$VERSION_ID
elif type lsb_release >/dev/null 2>&1; then
    # linuxbase.org
    OS=$(lsb_release -si)
    VER=$(lsb_release -sr)
elif [ -f /etc/lsb-release ]; then
    # For some versions of Debian/Ubuntu without lsb_release command
    . /etc/lsb-release
    OS=$DISTRIB_ID
    VER=$DISTRIB_RELEASE
elif [ -f /etc/debian_version ]; then
    # Older Debian/Ubuntu/etc.
    OS=Debian
    VER=$(cat /etc/debian_version)
elif [ -f /etc/SuSe-release ]; then
    # Older SuSE/etc.
    INSTALL_CMD="zypper install"
elif [ -f /etc/redhat-release ]; then
    # Older Red Hat, CentOS, etc.
    INSTALL_CMD="yum install"
else
    # Fall back to uname, e.g. "Linux <version>", also works for BSD, etc.
    OS=$(uname -s)
    VER=$(uname -r)
fi

echo "$OS $VER"

if [[ "$OS" == "Manjaro"* || "$OS" == "Arch"* ]]; then
    # arch or manjaro
    INSTALL_CMD="pacman -Sy"
fi

# When we are here, we should have figured out the pkg manager.
if [[ ! -v INSTALL_CMD ]]; then
    echo "Could not figure out pkg manager."
    exit 1;
fi

set -x; sudo $INSTALL_CMD $@; set +x