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#!/bin/bash
#
# cli.sh -- This function initiates centos-art command-line interface.
# Variables defined in this function are accesible by all other
# functions. The cli function is the first script executed by
# centos-art command-line onces invoked.
#
# Copyright (C) 2009, 2010, 2011 The CentOS Artwork SIG
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# ----------------------------------------------------------------------
# $Id$
# ----------------------------------------------------------------------
function cli {
# Initialize global variables.
local FUNCNAM=''
local FUNCDIR=''
local FUNCDIRNAM=''
local FUNCSCRIPT=''
local ARGUMENTS=''
# Initialize default value to filter flag. The filter flag
# (--filter) is used mainly to reduce the number of files to
# process. The value of this variable is interpreted as
# egrep-posix regular expression. By default, everything matches.
local FLAG_FILTER='.+'
# Initialize default value to verbosity flag. The verbosity flag
# (--quiet) controls whether centos-art.sh script prints messages
# or not. By default, all messages are printed out.
local FLAG_QUIET='false'
# Initialize default value to answer flag. The answer flag
# (--answer-yes) controls whether centos-art.sh script does or
# does not pass confirmation request points. By default, it
# doesn't.
local FLAG_ANSWER='false'
# Initialize default value to don't commit changes flag. The don't
# commit changes flag (--dont-commit-changes) controls whether
# centos-art.sh script syncronizes changes between the central
# repository and the working copy. By default, it does.
local FLAG_DONT_COMMIT_CHANGES='false'
# Redefine ARGUMENTS variable using current positional parameters.
cli_parseArgumentsReDef "$@"
# Define function directory (FUNCDIR). The directory path where
# functionalities are stored inside the repository.
FUNCDIR=${CLI_BASEDIR}/Functions
# Check function name. The function name is critical for
# centos-art.sh script to do something coherent. If it is not
# provided, execute the help functionality and end script
# execution.
if [[ "$1" == '' ]];then
exec ${CLI_BASEDIR}/centos-art.sh help
exit
fi
# Define function name (FUNCNAM) variable from first command-line
# argument. As convenction we use the first argument to determine
# the exact name of functionality to call.
FUNCNAM=$(cli_getRepoName $1 -f)
# Define function directory.
FUNCDIRNAM=$(cli_getRepoName $FUNCNAM -d)
# Define function file name.
FUNCSCRIPT=${FUNCDIR}/${FUNCDIRNAM}/${FUNCNAM}.sh
# Check function script execution rights.
cli_checkFiles "${FUNCSCRIPT}" --execution
# Remove the first argument passed to centos-art.sh command-line
# in order to build optional arguments inside functionalities. We
# start counting from second argument (inclusive) on.
shift 1
# Redefine ARGUMENTS using current positional parameters.
cli_parseArgumentsReDef "$@"
# Define default text editors used by centos-art.sh script.
if [[ ! "$EDITOR" =~ '/usr/bin/(vim|emacs|nano)' ]];then
EDITOR='/usr/bin/vim'
fi
# Check text editor execution rights.
cli_checkFiles $EDITOR --execution
# Go for function initialization. Keep the cli_exportFunctions
# function calling after all variables and arguments definitions.
cli_exportFunctions "${FUNCDIR}/${FUNCDIRNAM}"
# Execute function.
eval $FUNCNAM
}