functions

#!/usr/bin/env bash
# SPDX-License-Identifier: MPL-2.0

# Version: 0.2.0
# https://github.com/AndiDittrich/bash-functions
# ----------------------------------
# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. 
# If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
# ----------------------------------

_print_colorized(){
    # extract color
    STYLE="$1"

    # drop from argument list
    shift

    # print colorized message
    echo -e "${STYLE}$*\e[0m"
}

print_heading(){
    # title set ?
    [ -z "$1" ] && return

    # default style: bold bright blue
    STYLE='\x1B[34m\x1B[1m'

    # style set ?
    [ ! -z "$2" ] && {
        STYLE="$2"
    }

    # std title 
    TITLE="${1}"

    # print heading
    _print_colorized "$STYLE" \
        "\n---------------------------------------------------------------\n" \
        "${TITLE}" \
        "\n---------------------------------------------------------------\n"
}

print_subheading(){
    # title set ?
    [ -z "$1" ] && return

    # default style: bold blue
    STYLE='\x1B[7m\x1B[34m\x1B[1m'

    # style set ?
    [ ! -z "$2" ] && {
        STYLE="$2"
    }

    # default title, text only
    TITLE="$1"
    T=$(date +%T)

    # print heading
    _print_colorized "$STYLE" \
        "[$T] >> ${TITLE} "
}

log_message(){
    # green
    local T=$(date +%T)
    echo "[$T] >> $@"
}

log_success(){
    # green
    local T=$(date +%T)
   _print_colorized '\x1B[1m\x1B[92m' "[$T] >> $@"
}

log_info(){
    # blue
    local T=$(date +%T)
    _print_colorized '\x1B[1m\x1B[34m' "[$T] >> $@"
}

log_warning(){
    # yellow
    local T=$(date +%T)
    _print_colorized '\x1B[1m\x1B[7m\x1B[33m' "[$T] >> $@ "
}

log_error(){
    # red bold
    local T=$(date +%T)
    _print_colorized '\x1B[7m\x1B[91m\x1B[1m' "[$T] >> $@ "
}

panic(){
    log_error "$@"
    exit 1
}

hook_exec(){
    log_info "hook [$1] triggered"

    # hook set ?
    if [ -z "$1" ]; then
        log_error "invalid hook call"
        return
    fi

    local HOOK_FN="hook_$1"

    # default hook source
    local HOOK_FILE="$BASEDIR/.hooks/$1"

    # hook file exists in working dir ?
    if [ -f $WORKINGDIR/.hooks/$1 ]; then
        local HOOK_FILE="$WORKINGDIR/.hooks/$1"
    fi

    # exists ?
    if [ ! -f $HOOK_FILE ]; then
        return 0
    fi

    # executable ?
    if [ ! -x $HOOK_FILE ]; then
        panic "hook [$HOOK_FILE] cannot be executed"
    fi

    # run hook
    log_info "running hook [$1].."

    # strip hookname
    shift

    # load and execute
    source $HOOK_FILE
    $HOOK_FN $@
}