dotfiles.2022/_home/dot_sz.shrc.d/01_util.functions

ANSI_Print() { printf "\E[${ANSI_Code}m%s\E[0m" "$@"; }
ANSI_Red()     { ANSI_Code=31 ANSI_Print "$@"; }
ANSI_Green()   { ANSI_Code=32 ANSI_Print "$@"; }
ANSI_Yellow()  { ANSI_Code=33 ANSI_Print "$@"; }
ANSI_Blue()    { ANSI_Code=34 ANSI_Print "$@"; }
ANSI_Indiego() { ANSI_Code=35 ANSI_Print "$@"; }
ANSI_Cyan()    { ANSI_Code=36 ANSI_Print "$@"; }

warn() {
  (>&2 printf '%s %s\n' $(ANSI_Yellow 'WARNING:') "$(echo "$@")" )
}

# The way to call this is:
# eval $(error 1 "message") || exit $?
#    where 1 is the return/exit code and "message" is the message to be
#    displayed
error() {
    printf "(>&2 \
        printf '%%s %%b' '$(ANSI_Red 'ERROR:')' '$(printf "%b " "${@:2}")') \
        && echo '' && return ${1} 2>/dev/null || exit ${1}"
}

require_sudo() {
  if [[ $EUID -ne 0 && -z $(printf "%s\n" $(id --groups --name) | grep '^sudo$') ]]; then
    eval $(error 1 "This script should be run by a sudo memeber or as the root user")
  fi
}

require_root() {
  if [[ $EUID -ne 0 ]]; then
    eval $(error 1 "This script should only be run using sudo or as the root user")
  fi
}

recommend_root() {
  if [[ $EUID -ne 0 ]]; then
    warn "This script works better using sudo or as the root user"
    return 3
  fi
}

function setacl() {
    if [[ $# -lt 4 ]]; then
        eval $(error 1 \
            "setacl missing arguments, called with '$1' ${@:2}" \
            $(printf "%s\n" \
                "Usage:" \
                "\tsetacl <Options> <Ownership> <Permissions> <Path> [<Additional Paths>...]" \
            )
        )   
        return 1
    fi
    local Options=${1}
    local Ownership=${2}
    local Permissions=${3}

    [[ -n "${SZ_DEBUG}" ]] \
        && echo "chown $Options $Ownership \"${@:4}\""
    chown $Options $Ownership "${@:4}"
    [[ -n "${SZ_DEBUG}" ]] \
        && echo "chmod $Options $Permissions \"${@:4}\""
    chmod $Options $Permissions "${@:4}"
}