almalinux/rootfs/usr/local/bin/symlink

#!/usr/bin/env bash
# shellcheck shell=bash
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
##@Version           :  202408102055-git
# @@Author           :  Jason Hempstead
# @@Contact          :  jason@casjaysdev.pro
# @@License          :  LICENSE.md
# @@ReadME           :  symlink --help
# @@Copyright        :  Copyright: (c) 2024 Jason Hempstead, Casjays Developments
# @@Created          :  Saturday, Aug 10, 2024 20:55 EDT
# @@File             :  symlink
# @@Description      :
# @@Changelog        :  New script
# @@TODO             :  Better documentation
# @@Other            :
# @@Resource         :
# @@Terminal App     :  no
# @@sudo/root        :  no
# @@Template         :  shell/bash
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# shellcheck disable=SC2016
# shellcheck disable=SC2031
# shellcheck disable=SC2120
# shellcheck disable=SC2155
# shellcheck disable=SC2199
# shellcheck disable=SC2317
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# script variables
APPNAME="$(basename "$0" 2>/dev/null)"
VERSION="202408102055-git"
RUN_USER="$USER"
SET_UID="$(id -u)"
SCRIPT_SRC_DIR="${BASH_SOURCE%/*}"
SYMLINK_CWD="$(realpath "$PWD")"
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# script functions
if [ "$SHOW_RAW" != "true" ]; then
  __printf_color() { printf "%b" "$(tput setaf "${2:-$DEFAULT_COLOR}" 2>/dev/null)" "$1\n" "$(tput sgr0 2>/dev/null)"; }
else
  # Disable colorization
  __printf_color() { printf '%b\n' "$1" | tr -d '\t' | sed '/^%b$/d;s,\x1B\[ 0-9;]*[a-zA-Z],,g'; }
fi
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# check for command
__cmd_exists() { which $1 >/dev/null 2>&1 || return 1; }
__function_exists() { builtin type $1 >/dev/null 2>&1 || return 1; }
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# custom functions

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Define Variables
DEFAULT_COLOR="7"
SYMLINK_EXIT_STATUS=0
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Main application
{ [ $# -eq 2 ] || [ "$1" = "--help" ]; } || { __printf_color "Usage: $APPNAME fromFile toFile" && exit 1; }
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
is_link="$(ls -la "$2" 2>/dev/null | awk '{print $NF}')"
if [ "$1" != "$is_link" ]; then
  if [ -L "$2" ]; then
    unlink "$2"
  elif [ -e "$2" ]; then
    rm -Rf "$2"
  fi
  if [ -e "$1" ]; then
    ln -sf "$1" "$2"
    SYMLINK_EXIT_STATUS=$?
  fi
fi
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# End application
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# lets exit with code
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
exit $SYMLINK_EXIT_STATUS
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# ex: ts=2 sw=2 et filetype=sh