.bashrc

#!/usr/bin/env bash

if [ "$(id -u)" != 0 ]; then
    umask 077
else
    umask 022
fi

# Unlike earlier versions, Bash4 sources your bashrc on non-interactive shells.
# The line below prevents anything in this file from creating output that will
# break utilities that use ssh as a pipe, including git and mercurial.
case $- in
    *i*) ;;
    *) return ;;
esac

# Source global definitions as early as possible so we can overwrite everything
# if need be, instead of the opposite
if [ -f /etc/bashrc ]; then
    # shellcheck disable=SC1091
    . /etc/bashrc
fi
HISTFILE="${XDG_DATA_HOME:-${HOME}/.local/share}/bash/bash_history"
PROFILES_DIR=${XDG_DATA_HOME:-~/.local/share}/bash/profiles

MODULE_NAMES=(
    envvars
    pathmods # pathmods comes first because we want the PATH setup right for everything that comes next
    aliases
    bookmarks
    clutter_drawer_func
    functions_generic
    programming
    ps1
    scm_prompt_setup
    shellconfig
)

# https://stackoverflow.com/a/18434831
case "${OSTYPE}" in
    linux-android)
        MODULE_NAMES=("${MODULE_NAMES[@]}" android)
        ;;
    linux-gnu)
        hostname="$(command -v hostname > /dev/null && hostname)"
        case "${hostname}" in
            dom0)
                MODULE_NAMES=(qubes "${MODULE_NAMES[@]}")
                ;;
            raspi)
                MODULE_NAMES=(raspi "${MODULE_NAMES[@]}")
                ;;
        esac
        MODULE_NAMES=(linux "${MODULE_NAMES[@]}")
        ;;
    darwin*)
        MODULE_NAMES=(mac_os "${MODULE_NAMES[@]}")
        ;;
    openbsd* | bsd*)
        MODULE_NAMES=(bsd "${MODULE_NAMES[@]}")
        ;;
esac

MODULE_NAMES=("${MODULE_NAMES[@]}" fortune) # load this guy last

BASH_MOD_DIR="${XDG_CONFIG_HOME:-${HOME}/.config/}/bash"

# shellcheck disable=SC2317
function missing_module()
{
    local module="$1"
    shift
    if ! grep -qE "^\s*$module  # __IGNORE_INTERNAL__" "$HOME/.bashrc"; then
        while [[ ! $REPLY =~ d|D|i|I|r|R ]]; do
            read -r -n1 -p '[D]isable? [R]emove? [I]gnore? '
            echo
        done
        case "${REPLY}" in
            d | D) # disable by commenting out module
                sed -i -e "s/^\(\s*\)$module$/\1# $module/" "$HOME/.bashrc"
                ;;
            i | I) # show warning but disable prompt
                sed -i -e \
                    "s/^\(\s*\)$module$/\1$module  # __IGNORE_INTERNAL__/" \
                    "$HOME/.bashrc"
                ;;
            r | R) # remove module from module list
                sed -i -e "/^\s*$module$/d" "$HOME/.bashrc"
                ;;
        esac
    fi
}

function load_modules()
{
    for module in "${MODULE_NAMES[@]}"; do
        local file_path="${BASH_MOD_DIR}/${module}"
        if [ -f "${file_path}" ] || [ -L "${file_path}" ]; then
            # shellcheck disable=SC1090
            source "${file_path}"
        else
            echo "Missing module '${module}'" >&2
            #missing_module "${module}"
        fi
    done
    unset module
}

load_modules
unset MODULE_NAMES
unset missing_module
unset load_modules

# shellcheck disable=SC1090
test -d "${PROFILES_DIR}" && [[ $(find "${PROFILES_DIR}"/* | wc -l) -ge 1 ]] && source "${PROFILES_DIR}"/*

# this goes here because putting it in another file means bash ignores it for
# some reason :-(
HISTSIZE=100000
HISTFILESIZE=1000000
# don't put duplicate lines in the history
HISTCONTROL="erasedups:ignoreboth"
# Use standard ISO 8601 timestamp: %F=%Y-%m-%d;%T=%H:%M:%S (24-hours format)
HISTTIMEFORMAT="%F %T "