git.basicenv

#!/bin/env bash
#
# Copyright (c) Roberto A. Foglietta, 2023
#
# Authors:
#  Roberto A. Foglietta <roberto.foglietta@gmail.com>
#
# SPDX-License-Identifier: GPLv3
#
#set -x && resetx="set +x" # RAF: source, paired with set +x at the end of file
set -u                     # RAF: only for devel, comment in main

if [ ${GFRELOAD:-0} -eq 0 ]; then
    echo "${BASH_SOURCE[0]##*/} not reloaded, try again with 'GFRELOAD=1 source'"
    return 1
fi

trap 'echo -e "\n'${ERROR:-ERROR}': in '${BASH_SOURCE[0]##*/}\
' at line ${LINENO} occured, try again with set -x\n" >&2' ERR

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

if [ ${GITSHLVL:-0} -lt 1 ]; then
    # RAF: restricted shell cannot redirect to file but it is fine
    #      to redirect to a open file descriptor towards /dev/null
    #      So, also exec could fail but in gitshell &3 is just open
    exec 3>/dev/null || return $?

    echo "Loading ${BASH_SOURCE[0]##*/} into current bash enviroment"

    SRC_FILE=${SRC_FILE:-${gfreload_pathname:-}}
    SRC_FILE=${SRC_FILE:-$(readlink -f ${BASH_SOURCE[0]})}
    export gfrefdir_pathdir="${SRC_FILE%/*}"
    export gfbasicenv_pathname="${gfrefdir_pathdir}/git.basicenv"
    export gfunctions_pathname="${gfrefdir_pathdir}/git.functions"
    export gfcolors_pathname="${gfrefdir_pathdir}/colors.shell"
    export gitshell_pathname="${gfrefdir_pathdir}/git.shell"
    export gfreload_pathname="${gitshell_pathname}"
    if ! echo "${PATH}" | egrep -q ${gfrefdir_pathdir}; then
        export PATH="${gfrefdir_pathdir}/bin:${PATH}"
    fi
    export gf_gitshell_rcinit=".gitshrc"
fi

if ! type colors_codes_generation >&3 2>&3; then
    GFRELOAD=1 source "${gfcolors_pathname}" || return $?
    : #RAF: the line above will be stripped
fi #>&3

###############################################################################
${resetx:-}
trap -- ERR
true