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MahiroOS-jhalfs/BLFS/blfs-parser.sh
2006-07-16 10:29:37 +00:00

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#!/bin/bash
#
# $Id$
#
set -e
declare TARGET
declare DEP_LEVEL
declare PKGXML
declare BLFS_XML
declare VERBOSITY=1
# Grab and name the command line options
optTARGET=$1
optDEPENDENCY=$2
#---------------------
# Constants
source libs/constants.inc
[[ $? > 0 ]] && echo -e "\n\tERROR: constants.inc did not load..\n" && exit
#---------------------
# Configuration file for alternatives
source alternatives.conf
[[ $? > 0 ]] && echo -e "\n\tERROR: alternatives.conf did not load..\n" && exit
#---------------------
# Dependencies module
source libs/func_dependencies
[[ $? > 0 ]] && echo -e "\n\tERROR: func_dependencies did not load..\n" && exit
#---------------------
# parser module
source libs/func_parser
[[ $? > 0 ]] && echo -e "\n\tERROR: func_parser did not load..\n" && exit
#---------------------
# Makefile module
source libs/func_makefile
[[ $? > 0 ]] && echo -e "\n\tERROR: func_makefile did not load..\n" && exit
#-------------------------#
validate_target() { # ID of target package (as listed in packages file)
#-------------------------#
: <<inline_doc
function: Validate the TARGET parameter.
input vars: $1, package/target to validate
externals: file: packages
modifies: TARGET
returns: nothing
output: nothing
on error: exit
on success: modifies TARGET
inline_doc
if [[ -z "$1" ]] ; then
echo -e "\n\tYou must to provide a package ID."
echo -e "\tSee packages file for a list of available targets.\n"
exit 1
fi
if ! grep "^$1[[:space:]]" packages > /dev/null ; then
echo -e "\n\t$1 is not a valid package ID."
echo -e "\tSee packages file for a list of available targets.\n"
exit 1
fi
TARGET=$1
echo -e "\n\tUsing $TARGET as the target package."
}
#-------------------------#
validate_dependency() { # Dependencies level 1(required)/2(1 + recommended)/3(2+ optional)
#-------------------------#
: <<inline_doc
function: Validate the dependency level requested.
input vars: $1, requested dependency level
externals: vars: TARGET
modifies: vars: DEP_LEVEL
returns: nothing
output: nothing
on error: nothing
on success: modifies DEP_LEVEL, default value = 2
inline_doc
if [[ -z "$1" ]] ; then
DEP_LEVEL=2
echo -e "\n\tNo dependencies level has been defined."
echo -e "\tAssuming level $DEP_LEVEL (Required plus Recommended).\n"
return
fi
case $1 in
1 | 2 | 3 )
DEP_LEVEL=$1
echo -e "\n\tUsing $DEP_LEVEL as dependencies level.\n"
;;
* )
DEP_LEVEL=2
echo -e "\n\t$1 is not a valid dependencies level."
echo -e "\tAssuming level $DEP_LEVEL (Required plus Recommended).\n"
;;
esac
}
#------- MAIN --------
if [[ ! -f packages ]] ; then
echo -e "\tNo packages file has been found.\n"
echo -e "\tExecution aborted.\n"
exit 1
fi
validate_target "${optTARGET}"
validate_dependency "${optDEPENDENCY}"
generate_dependency_tree
generate_TARGET_xml
generate_target_book
create_build_scripts
generate_Makefile