punktdateien-bashrc/startup.sh

#!/usr/bin/env bash
# shellcheck disable=SC2154

# Save cwd
BASHRCD_WORKDIR=$(pwd)
[[ -z "${BASHRCD_WORKDIR}" ]] && BASHRCD_WORKDIR=${HOME}

# Cancel execution of system-wide punktdateien-bashrc if user-wide installation is detected
if [ -n "${BASHRCD_SYSTEM}" ] && [ -d "${HOME}/.bashrc.d" ] && [ -f "${HOME}/.bashrc.d/startup.sh" ]; then
	unset BASHRCD_SYSTEM
	return 0
fi

# Define variables
export "BASHRCD_FALLBACK=exec env --ignore-environment bash --norc --noprofile"

if [ -z "${BASHRCD_SYSTEM}" ]; then
	export "BASHRCD_HOMEDIR=${HOME:?}/.bashrc.d"
else
	export "BASHRCD_HOMEDIR=/etc/bashrc.d"
fi

# cd into to home directory
cd "${BASHRCD_HOMEDIR}" || (
 echo ":: Can't cd into ${HOME:?}/.bashrc.d"
 ${BASHRCD_FALLBACK}
)

# Initialize basic stuff
[[ -f "init.d/path.sh" ]] && source "init.d/path.sh"
[[ -f "init.d/variables.sh" ]] && source "init.d/variables.sh"
[[ -f "init.d/aliases.sh" ]] && source "init.d/aliases.sh"
[[ -f "init.d/functions.sh" ]] && source "init.d/functions.sh"

# Create default configuration file
if [ ! -f "config.sh" ]; then
	if [ -n "${BASHRCD_SYSTEM}" ] && [ "${UID}" != "0" ]; then
		echo ":: Warning: Can't create system-wide configuration file as normal user."
	else	
		$(which cat) << EOF >> config.sh
#!/usr/bin/env bash
# Example configuration

CONFIG_AUTOSAVE_HISTORY=1
CONFIG_BETTER_COMPLETION=1
CONFIG_CUSTOM_PROMPT=1
CONFIG_EDITOR=nano
CONFIG_FLOW_CONTROL=0
CONFIG_REPLACE_PKGMGR_ORIGINAL=pacman
CONFIG_REPLACE_PKGMGR_REPLACEMENT=paru
EOF
	fi
fi

# Load configuration file
[[ -f "config.sh" ]] && source "config.sh"

# Run settings scripts
for file in settings.d/*; do
 # shellcheck disable=SC1090
 source "${file}"
done

# Initialize shell programs
for file in programs.d/*; do
 # shellcheck disable=SC1090
 source "${file}"
done

# Run startup scripts
for file in startup.d/*; do
 # shellcheck disable=SC1090
 source "${file}"
done

# Finish startup
cd "${BASHRCD_WORKDIR}"
unset BASHRCD_SYSTEM