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#!/bin/bash

: # This script is to be sourced

: ##########################################################

: ##### Lookup BFD Repository Directory

command_exists() { command -v "$@" >/dev/null 2>&1; }

LC_ALL=C

export LC_ALL

: # by using a HEREDOC, we are disabling shellcheck and shfmt

set +e

read -r -d '' LOOKUP_SHELL_FUNCTION <<-'EOF'

lookup_shell() {

export whichshell

case ${ZSH_VERSION:-} in *.*) { whichshell=zsh;return;};;esac

case ${BASH_VERSION:-} in *.*) { whichshell=bash;return;};;esac

case "$VERSION" in *zsh*) { whichshell=zsh;return;};;esac

case "$SH_VERSION" in *PD*) { whichshell=sh;return;};;esac

case "$KSH_VERSION" in *PD*|*MIRBSD*) { whichshell=ksh;return;};;esac

}

EOF

set -e

eval "${LOOKUP_SHELL_FUNCTION}"

lookup_shell

if [[ -z ${BFD_REPOSITORY:-} ]]; then

set +e

read -r -d '' GET_LIB_DIR_IN_ZSH <<-'EOF'

0="${${ZERO:-${0:#$ZSH_ARGZERO}}:-${(%):-%N}}"

0="${${(M)0:#/*}:-$PWD/$0}"

BFD_REPOSITORY="${0:a:h}"

BFD_REPOSITORY="$(cd "${BFD_REPOSITORY}" > /dev/null 2>&1 && pwd -P)"

EOF

set -e

# shellcheck enable=all

if command_exists zsh && [[ ${whichshell} == "zsh" ]]; then

# We are running in zsh

eval "${GET_LIB_DIR_IN_ZSH}"

else

# we are running in bash/sh

BFD_REPOSITORY="$(cd "$(dirname -- "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd -P)"

fi

fi

# End Lookup BFD Repository Directory

##########################################################

bash_or_zsh() {

{ [[ ${whichshell} == "zsh" ]] && echo "zsh"; } || echo "bash"

}

: "${SCRIPTS_LIB_DIR:=${BFD_REPOSITORY}/lib}"

eval "$(source "${SCRIPTS_LIB_DIR}/bootstrap.sh")"