bash-it/bash_it.sh

#!/usr/bin/env bash
# Initialize Bash It
BASH_IT_LOG_PREFIX="core: main: "

# Only set $BASH_IT if it's not already set
if [ -z "${BASH_IT:-}" ]; then
	# Setting $BASH to maintain backwards compatibility
	export BASH_IT=$BASH
	BASH="$(bash -c 'echo $BASH')"
	export BASH
	BASH_IT_OLD_BASH_SETUP=true
fi

# Load composure first, so we support function metadata
# shellcheck disable=SC1090
source "${BASH_IT}"/vendor/github.com/erichs/composure/composure.sh

# Declare our end-of-main finishing hook
declare -a _bash_it_library_finalize_hook

# We need to load logging module early in order to be able to log
# shellcheck source-path=SCRIPTDIR/lib
source "${BASH_IT}/lib/log.bash"

# We can only log it now
[ -z "${BASH_IT_OLD_BASH_SETUP:-}" ] || _log_warning "BASH_IT variable not initialized, please upgrade your bash-it version and reinstall it!"

# For backwards compatibility, look in old BASH_THEME location
if [ -z "${BASH_IT_THEME:-}" ]; then
	_log_warning "BASH_IT_THEME variable not initialized, please upgrade your bash-it version and reinstall it!"
	export BASH_IT_THEME="${BASH_THEME:-}"
	unset BASH_THEME
fi

# support 'plumbing' metadata
cite _about _param _example _group _author _version
cite about-alias about-plugin about-completion

# libraries, but skip appearance (themes) for now
_log_debug "Loading libraries(except appearance)..."
LIB="${BASH_IT}/lib/*.bash"
APPEARANCE_LIB="${BASH_IT}/lib/appearance.bash"
for _bash_it_config_file in $LIB; do
	if [ "$_bash_it_config_file" != "$APPEARANCE_LIB" ]; then
		filename=${_bash_it_config_file##*/}
		filename=${filename%.bash}
		BASH_IT_LOG_PREFIX="lib: ${filename}: "
		_log_debug "Loading library file..."
		# shellcheck disable=SC1090
		source "$_bash_it_config_file"
	fi
done

# Load vendors
BASH_IT_LOG_PREFIX="vendor: "
for _bash_it_vendor_init in "${BASH_IT}"/vendor/init.d/*.bash; do
	_log_debug "Loading \"$(basename "${_bash_it_vendor_init}" .bash)\"..."
	# shellcheck disable=SC1090
	source "${_bash_it_vendor_init}"
done
unset _bash_it_vendor_init

BASH_IT_LOG_PREFIX="core: main: "
# Load the global "enabled" directory
# "family" param is empty so that files get sources in glob order
# shellcheck source=./scripts/reloader.bash
source "${BASH_IT}/scripts/reloader.bash"

# Load enabled aliases, completion, plugins
for file_type in "aliases" "plugins" "completion"; do
	# shellcheck source=./scripts/reloader.bash
	source "${BASH_IT}/scripts/reloader.bash" "skip" "$file_type"
done

# Load theme, if a theme was set
if [[ -n "${BASH_IT_THEME}" ]]; then
	_log_debug "Loading \"${BASH_IT_THEME}\" theme..."
	# Load colors and helpers first so they can be used in base theme
	BASH_IT_LOG_PREFIX="themes: colors: "
	# shellcheck source=./themes/colors.theme.bash
	source "${BASH_IT}/themes/colors.theme.bash"
	BASH_IT_LOG_PREFIX="themes: githelpers: "
	# shellcheck source=./themes/githelpers.theme.bash
	source "${BASH_IT}/themes/githelpers.theme.bash"
	BASH_IT_LOG_PREFIX="themes: p4helpers: "
	# shellcheck source=./themes/p4helpers.theme.bash
	source "${BASH_IT}/themes/p4helpers.theme.bash"
	BASH_IT_LOG_PREFIX="themes: command_duration: "
	# shellcheck source=./themes/command_duration.theme.bash
	source "${BASH_IT}/themes/command_duration.theme.bash"
	BASH_IT_LOG_PREFIX="themes: base: "
	# shellcheck source=./themes/base.theme.bash
	source "${BASH_IT}/themes/base.theme.bash"

	BASH_IT_LOG_PREFIX="lib: appearance: "
	# appearance (themes) now, after all dependencies
	# shellcheck source=./lib/appearance.bash
	source "$APPEARANCE_LIB"
fi

BASH_IT_LOG_PREFIX="core: main: "
_log_debug "Loading custom aliases, completion, plugins..."
for file_type in "aliases" "completion" "plugins"; do
	if [ -e "${BASH_IT}/${file_type}/custom.${file_type}.bash" ]; then
		BASH_IT_LOG_PREFIX="${file_type}: custom: "
		_log_debug "Loading component..."
		# shellcheck disable=SC1090
		source "${BASH_IT}/${file_type}/custom.${file_type}.bash"
	fi
done

# Custom
BASH_IT_LOG_PREFIX="core: main: "
_log_debug "Loading general custom files..."
CUSTOM="${BASH_IT_CUSTOM:=${BASH_IT}/custom}/*.bash ${BASH_IT_CUSTOM:=${BASH_IT}/custom}/**/*.bash"
for _bash_it_config_file in $CUSTOM; do
	if [ -e "${_bash_it_config_file}" ]; then
		filename=$(basename "${_bash_it_config_file}")
		filename=${filename%*.bash}
		# shellcheck disable=SC2034
		BASH_IT_LOG_PREFIX="custom: $filename: "
		_log_debug "Loading custom file..."
		# shellcheck disable=SC1090
		source "$_bash_it_config_file"
	fi
done

unset _bash_it_config_file
if [[ -n "${PROMPT:-}" ]]; then
	export PS1="\[""$PROMPT""\]"
fi

# Adding Support for other OSes
PREVIEW="less"

if [ -s /usr/bin/gloobus-preview ]; then
	PREVIEW="gloobus-preview"
elif [ -s /Applications/Preview.app ]; then
	# shellcheck disable=SC2034
	PREVIEW="/Applications/Preview.app"
fi

# BASH_IT_RELOAD_LEGACY is set.
if ! _command_exists reload && [[ -n "${BASH_IT_RELOAD_LEGACY:-}" ]]; then
	case $OSTYPE in
		darwin*)
			alias reload='source ~/.bash_profile'
			;;
		*)
			alias reload='source ~/.bashrc'
			;;
	esac
fi

for _bash_it_library_finalize_f in "${_bash_it_library_finalize_hook[@]:-}"; do
	eval "${_bash_it_library_finalize_f?}" # Use `eval` to achieve the same behavior as `$PROMPT_COMMAND`.
done
unset "${!_bash_it_library_finalize_@}"