Bootstrap:

- new command 'modbuild' to build modules
- separate bootstrapping from other build-blocks
- review BASH libraries
- adapt build-blocks in bootstrapping

Bootstrap/Pmodules/libstd.bash

@@ -0,0 +1,141 @@
+#!/bin/bash
+
+#
+# logging/message functions
+#
+std::log() {
+        local -ri fd=$1
+        local -r fmt="$2\n"
+        shift 2
+        printf -- "$fmt" "$@" 1>&$fd
+}
+
+std::info() {
+        std::log 2 "$1" "${@:2}"
+}
+
+std::error() {
+        std::log 2 "$1" "${@:2}"
+}
+
+std::debug() {
+        [[ ${PMODULES_DEBUG} ]] || return 0
+        std::log 2 "$@"
+}
+
+std::die() {
+        local -ri ec=$1
+        shift
+        if [[ -n $@ ]]; then
+                local -r fmt=$1
+                shift
+                std::log 2 "$fmt" "$@"
+        fi
+        exit $ec
+}
+
+#
+# get answer to yes/no question
+#
+# $1: prompt
+#
+std::get_YN_answer() {
+	local -r prompt="$1"
+	local ans
+	read -p "${prompt}" ans
+	case ${ans} in
+		y|Y ) 
+			return 0;;
+		* )
+			return 1;;
+	esac
+}
+
+#
+# return normalized abolute pathname
+# $1: filename
+std::get_abspath() {
+	local -r fname=$1
+	[[ -r "${fname}" ]] || return 1
+	if [[ -d ${fname} ]]; then
+		echo $(cd "${fname}" && pwd)
+	else
+		local -r dname=$(dirname "${fname}")
+		echo $(cd "${dname}" && pwd)/$(basename "${fname}")
+	fi
+}
+
+std::append_path () {
+        local -r P=$1
+        local -r d=$2
+
+        if ! echo ${!P} | egrep -q "(^|:)${d}($|:)" ; then
+                if [[ -z ${!P} ]]; then
+                        eval $P=${d}
+                else
+                        eval $P=${!P}:${d}
+                fi
+        fi
+}
+
+std::prepend_path () {
+        local -r P=$1
+        local -r d=$2
+
+        if ! echo ${!P} | egrep -q "(^|:)${d}($|:)" ; then
+                if [[ -z ${!P} ]]; then
+                        eval $P=${d}
+                else
+                        eval $P=${d}:${!P}
+                fi
+        fi
+}
+
+std::remove_path() {
+        local -r P=$1
+        local -r d=$2
+	local new_path=''
+	local -r _P=( ${!P//:/ } )
+	# loop over all entries in path
+	for entry in "${_P[@]}"; do
+		[[ "${entry}" != "${d}" ]] && new_path+=":${entry}"
+	done
+	# remove leading ':'
+	eval ${P}="${new_path:1}"
+}
+
+#
+# split file name
+#
+std::split_fname() {
+        local -r savedIFS="${IFS}"
+        IFS='/'
+        local std__split_fname_result__=( $(echo "${@: -1}") )
+        IFS=${savedIFS}
+        eval $1=\(\"\${std__split_fname_result__[@]}\"\)
+	if (( $# >= 3 )); then
+	        eval $2=${#std__split_fname_result__[@]}
+	fi
+}
+
+std::read_versions() {
+	local -r fname="$1"
+	local varname=''
+	while read _name _version; do
+		[[ -z ${_name} ]] && continue
+		[[ -z ${_version} ]] && continue
+		[[ "${_name:0:1}" == '#' ]] && continue
+		var_name=$(echo ${_name} | tr [:lower:] [:upper:])_VERSION
+		# don't set version, if already set
+		if [[ -z ${!var_name} ]]; then
+			eval ${var_name}="${_version}"
+		fi
+	done < "${fname}"
+}
+
+
+# Local Variables:
+# mode: sh
+# sh-basic-offset: 8
+# tab-width: 8
+# End: