*: rewrite some files to nuxsh.

Signed-off-by: Tony Tkacik <tonydamage@gmail.com>

inc/nux/check.inc.sh

@@ -0,0 +1,31 @@
+## nux.check.function:: <name>
+##
+function nux.check.function {
+  nux.log trace "Checking if $1 is function."
+  declare -f "$1" &>/dev/null && return 0
+  return 1
+}
+
+function nux.check.nuxenv.file {
+  path=$(realpath -Lms "$1")
+  [[ "$path" =~ "^$NUX_ENV_DIR" ]]
+}
+
+
+function nux.check.optional {
+  local function="$1"; shift;
+  if nux.check.function "$function" ; then
+    $function "$@"
+  fi
+}
+
+function nux.check.exec {
+  local binary=$1;
+  test -n "$(which "$binary")"
+}
+
+## nux.check.file.exists:: <name>
+##
+function nux.check.file.exists {
+	test -e "$1" -o -h "$1";
+}

inc/nux/color.nuxsh.sh

@@ -0,0 +1,42 @@
+if [ -t 1 ] {
+  readonly nc_bold=`tput setaf 0`
+  readonly nc_bg_bold=`tput setab 0`
+  readonly nc_black=`tput setab 0`
+  readonly nc_bg_black=`tput setab 0`
+  readonly nc_cyan=`tput setaf 6`
+  readonly nc_bg_cyan=`tput setab 6`
+  readonly nc_magenta=`tput setaf 5`
+  readonly nc_bg_magenta=`tput setab 5`
+  readonly nc_red=`tput setaf 1`
+  readonly nc_bg_red=`tput setab 1`
+  readonly nc_white=`tput setaf 7`
+  readonly nc_bg_white=`tput setab 7`
+  readonly nc_green=`tput setaf 2`
+  readonly nc_bg_green=`tput setab 2`
+  readonly nc_yellow=`tput setaf 3`
+  readonly nc_bg_yellow=`tput setab 3`
+  readonly nc_blue=`tput setaf 4`
+  readonly nc_bg_blue=`tput setab 4`
+  readonly nc_end=`tput sgr0`
+
+  readonly NC_Bold=`tput bold`
+  readonly NC_No=`tput sgr0` # No Color
+  readonly NC_Black='\033[0;30m'
+  readonly NC_Green='\033[0;32m'
+  readonly NC_Red=$nc_bold$nc_red
+  readonly NC_BrownOrange='\033[0;33m'
+  readonly NC_Blue='\033[0;34m'
+  readonly NC_Purple='\033[0;35m'
+  readonly NC_Cyan='\033[0;36m'
+  readonly NC_LightGray='\033[0;37m'
+  readonly NC_DarkGray='\033[1;30m'
+  readonly NC_LightRed='\033[1;31m'
+  readonly NC_LightGreen='\033[1;32m'
+  readonly NC_Yellow=$nc_yellow
+  readonly NC_LightBlue='\033[1;34m'
+  readonly NC_LightPurple='\033[1;35m'
+  readonly NC_LightCyan='\033[1;36m'
+  readonly NC_White=$nc_white
+
+  readonly NC_error=$NC_Red
+}

inc/nux/help.nuxsh.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env nuxsh
+@namespace nux.help. {
+  function :shelldoc {
+    sed -r \
+      -e "s/^## ?(.*)/${NC_White}\1${NC_No}/gI" \
+      -e "s/^# ?(.*)/${NC_Bold}\1${NC_No}/gI" \
+      -e "s/^([ a-z0-9.-_]*)::/${NC_Bold}\1${NC_No}/gI" \
+      -e "s/\*\*([^*]*)\*\*/${NC_Bold}\1${NC_No}/gI"  \
+      -e "s/\*([^*]*)\*/${NC_White}\1${NC_No}/gI"  \
+      --
+  }
+
+  function :comment source {
+    if nux.check.file.exists "$source" ; then
+      grep -E "^\#\#( |$)" "$source" \
+        | cut -d\# -f3- \
+        | cut -d" " -f2- \
+        | nux.help.shelldoc
+    fi
+  }
+}

inc/nux/log.inc.sh

@@ -0,0 +1,52 @@
+## ##Logging
+
+# Color for message levels
+NC_LOG_color_info=$NC_LightGray
+NC_LOG_color_error=$NC_LightRed
+NC_LOG_color_warning=$NC_Yellow
+NC_LOG_color_debug=$NC_White
+
+NC_LOG_current=3
+
+NC_LOG_id_none=0
+NC_LOG_id_error=1
+NC_LOG_id_warning=2
+NC_LOG_id_info=3
+NC_LOG_id_debug=4
+NC_LOG_id_trace=5
+
+##
+## NUX Script environment provides basic logging capabilities.
+##
+## Currently there are 5 log levels supported (in order of detail):
+##   error
+##   warning
+##   info
+##   debug
+##   trace
+##
+## nux.log:: <level> <message>
+##     Outputs log message to *STDERR*. LOG messages are filtered out based on
+##     level. Use *nux.log.level* to specify which messages should be displayed.
+##
+##
+function nux.log {
+  local level=$1
+  local message=$2
+  local color=NC_LOG_color_$level
+  local level_num=NC_LOG_id_$level
+  shift;
+  if [  ${!level_num} -le $NC_LOG_current  ]; then
+    echo -e "${!color}[$level]$NC_No $*$NC_No" >&2
+  fi
+}
+
+
+## nux.log.level:: <level>
+##     Sets maximum level of details to be logged.
+##
+function  nux.log.level {
+  local level=$1
+  local level_id=NC_LOG_id_$level
+  NC_LOG_current=${!level_id}
+}