Blame tcar-scripts/tcar.sh

Alain Reguera Delgado 66223d
#!/bin/bash
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
#
Alain Reguera Delgado 66223d
#   tcar.sh -- The CentOS Artwork Repository automation tool.
Alain Reguera Delgado 66223d
#
Alain Reguera Delgado 66223d
#   Written by:
Alain Reguera Delgado 66223d
#   * Alain Reguera Delgado <al@centos.org.cu>, 2009-2013
Alain Reguera Delgado 66223d
#
Alain Reguera Delgado 66223d
# Copyright (C) 2009-2013 The CentOS Artwork SIG
Alain Reguera Delgado 66223d
#
Alain Reguera Delgado 66223d
# This program is free software; you can redistribute it and/or modify
Alain Reguera Delgado 66223d
# it under the terms of the GNU General Public License as published by
Alain Reguera Delgado 66223d
# the Free Software Foundation; either version 2 of the License, or (at
Alain Reguera Delgado 66223d
# your option) any later version.
Alain Reguera Delgado 66223d
#
Alain Reguera Delgado 66223d
# This program is distributed in the hope that it will be useful, but
Alain Reguera Delgado 66223d
# WITHOUT ANY WARRANTY; without even the implied warranty of
Alain Reguera Delgado 66223d
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Alain Reguera Delgado 66223d
# General Public License for more details.
Alain Reguera Delgado 66223d
#
Alain Reguera Delgado 66223d
# You should have received a copy of the GNU General Public License
Alain Reguera Delgado 66223d
# along with this program; if not, write to the Free Software
Alain Reguera Delgado 66223d
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Alain Reguera Delgado 66223d
#
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
# Identity
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
Alain Reguera Delgado bbb179
declare -xr TCAR_SCRIPT_PACKAGE="tcar"
Alain Reguera Delgado 6d9448
declare -xr TCAR_SCRIPT_VERSION="$(rpm -q --qf "%{VERSION}" ${TCAR_SCRIPT_PACKAGE})"
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
# Paths
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Base directory where repository files are installed in.
Alain Reguera Delgado 9866fc
declare -xr TCAR_BASEDIR=/usr/share/tcar
Alain Reguera Delgado 66223d
Alain Reguera Delgado 9866fc
# Base directory where final content is produced in. This value is
Alain Reguera Delgado 9866fc
# also known as the "workplace" and should be customized later by the
Alain Reguera Delgado 9866fc
# user, using the prepare module of tcar script.
Alain Reguera Delgado ecffa7
declare -x TCAR_WORKDIR=/tmp
Alain Reguera Delgado 66223d
Alain Reguera Delgado 9866fc
# Base directory where automation scripts are installed in.
Alain Reguera Delgado 9866fc
declare -xr TCAR_SCRIPT_BASEDIR=${TCAR_BASEDIR}/Scripts
Alain Reguera Delgado 9866fc
Alain Reguera Delgado 66223d
# Directory to store temporal files.
Alain Reguera Delgado bbb179
declare -xr TCAR_SCRIPT_TEMPDIR=$(mktemp -p /tmp -d ${TCAR_SCRIPT_PACKAGE}-XXXXXX)
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Configuration files in order of reading preference. The last file in
Alain Reguera Delgado 66223d
# the list overlaps options set in previous files in the list. Use
Alain Reguera Delgado 66223d
# colon character to separate files in the list.
Alain Reguera Delgado 66223d
declare -xr TCAR_SCRIPT_CONFIG=${HOME}/.tcar.conf
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Base directory where man pages are searched at.
Alain Reguera Delgado 1e179f
declare -xr TCAR_SCRIPT_MANUALS=/usr/share/man
Alain Reguera Delgado 1e179f
Alain Reguera Delgado 1e179f
# Base directory where automation script modules are installed in.
Alain Reguera Delgado 9866fc
declare -xr TCAR_SCRIPT_MODULES_BASEDIR=${TCAR_SCRIPT_BASEDIR}/Modules
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Default text editor.
Alain Reguera Delgado 66223d
declare -x  TCAR_SCRIPT_EDITOR=/usr/bin/vim
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
# Internationalization
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set the script language information using the LC format. This format
Alain Reguera Delgado 66223d
# shows both language and country information (e.g., `es_ES').
Alain Reguera Delgado 66223d
declare -xr TCAR_SCRIPT_LANG_LC=$(echo ${LANG} | cut -d'.' -f1)
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set the script language information using the LL format. This format
Alain Reguera Delgado 66223d
# shows only the language information (e.g., `es').
Alain Reguera Delgado 66223d
declare -xr TCAR_SCRIPT_LANG_LL=$(echo ${TCAR_SCRIPT_LANG_LC} | cut -d'_' -f1)
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set the script language information using the CC format. This format
Alain Reguera Delgado 66223d
# shows only the country information (e.g., `ES').
Alain Reguera Delgado 66223d
declare -xr TCAR_SCRIPT_LANG_CC=$(echo ${TCAR_SCRIPT_LANG_LC} | cut -d'_' -f2)
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set function environments required by GNU gettext system.
Alain Reguera Delgado 66223d
. gettext.sh
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set the script text domain. This information is used by gettext
Alain Reguera Delgado 66223d
# system to retrieve translated strings from machine object (MO) files
Alain Reguera Delgado 66223d
# with this name. This variable is reset each time a new module is
Alain Reguera Delgado 66223d
# loaded, so the correct files can be used.
Alain Reguera Delgado bbb179
declare -x TEXTDOMAIN="${TCAR_SCRIPT_PACKAGE}"
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set the script text domain directory. This information is used by
Alain Reguera Delgado 66223d
# gettext system to know where the machine objects are stored in. This
Alain Reguera Delgado 66223d
# variable is reset each time a new module is loaded, so the correct
Alain Reguera Delgado 66223d
# files can be used.
Alain Reguera Delgado 9866fc
declare -xr TEXTDOMAINDIR=/usr/share/locale
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
# Global Flags
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set filter flag (-f|--filter).  This flag is mainly used to reduce
Alain Reguera Delgado 66223d
# the number of files to process and is interpreted as egrep-posix
Alain Reguera Delgado 66223d
# regular expression.  By default, when this flag is not provided, all
Alain Reguera Delgado 66223d
# paths in the working copy will match, except files inside hidden
Alain Reguera Delgado 66223d
# directories like `.svn' and `.git' that will be omitted.
Alain Reguera Delgado 66223d
declare -x  TCAR_FLAG_FILTER='[[:alnum:]_/-]+'
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set verbosity flag (-q|--quiet). This flag controls whether
Alain Reguera Delgado 66223d
# tcar.sh script prints messages or not. By default, all
Alain Reguera Delgado 66223d
# messages are suppressed except those directed to standard error.
Alain Reguera Delgado 66223d
declare -x  TCAR_FLAG_QUIET='false'
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set affirmative flag (-y|--yes). This flag controls whether
Alain Reguera Delgado 66223d
# tcar.sh script does or does not pass confirmation request
Alain Reguera Delgado 66223d
# points. By default, it doesn't.
Alain Reguera Delgado 66223d
declare -x  TCAR_FLAG_YES='false'
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Set debugger flag (-d|--debug). This flag controls whether
Alain Reguera Delgado 66223d
# tcar.sh script does or does not print debugging information.
Alain Reguera Delgado 66223d
# The tcar.sh script prints debug information to standard
Alain Reguera Delgado 66223d
# output.
Alain Reguera Delgado 66223d
declare -x  TCAR_FLAG_DEBUG='false'
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
# Global Functions
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Export script's environment functions.
Alain Reguera Delgado 9866fc
for SCRIPT_FILE in $(ls ${TCAR_SCRIPT_BASEDIR}/tcar_*.sh);do
Alain Reguera Delgado 66223d
    if [[ -x ${SCRIPT_FILE} ]];then
Alain Reguera Delgado 66223d
        . ${SCRIPT_FILE}
Alain Reguera Delgado 66223d
        export -f $(grep '^function ' ${SCRIPT_FILE} | cut -d' ' -f2)
Alain Reguera Delgado 66223d
    else
Alain Reguera Delgado 66223d
        echo "${SCRIPT_FILE} `gettext "has not execution rights."`"
Alain Reguera Delgado 66223d
        exit 1
Alain Reguera Delgado 66223d
    fi
Alain Reguera Delgado 66223d
done
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
# Signals
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Trap signals in order to terminate the script execution correctly
Alain Reguera Delgado 66223d
# (e.g., removing all temporal files before leaving).  Trapping the
Alain Reguera Delgado 66223d
# exit signal seems to be enough by now, since it is always present as
Alain Reguera Delgado 66223d
# part of the script execution flow. Each time the tcar.sh
Alain Reguera Delgado 66223d
# script is executed it will inevitably end with an EXIT signal at
Alain Reguera Delgado 66223d
# some point of its execution, even if it is interrupted in the middle
Alain Reguera Delgado 66223d
# of its execution (e.g., through `Ctrl+C').
Alain Reguera Delgado 66223d
trap tcar_terminateScriptExecution 0
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
# Parse Command-line Arguments
Alain Reguera Delgado 66223d
######################################################################
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
declare -x TCAR_MODULE_NAME=''
Alain Reguera Delgado 66223d
declare -x TCAR_MODULE_ARGUMENT=''
Alain Reguera Delgado 66223d
declare -x TCAR_SCRIPT_ARGUMENT=''
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Retrieve module's name using the first argument of tcar.sh
Alain Reguera Delgado 66223d
# script as reference.
Alain Reguera Delgado 66223d
if [[ ! ${1} =~ '^-' ]];then
Alain Reguera Delgado 66223d
    TCAR_MODULE_NAME="${1}"; shift 1
Alain Reguera Delgado 66223d
else
Alain Reguera Delgado 66223d
    TCAR_MODULE_NAME=""
Alain Reguera Delgado 66223d
fi
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Initialize tcar.sh script specific options. The way tcar.sh script
Alain Reguera Delgado 66223d
# retrieves its options isn't as sophisticated (e.g., it doesn't
Alain Reguera Delgado 66223d
# provide valid-option verifications) as it is provided by getopt
Alain Reguera Delgado 66223d
# command. I cannot use getopt here because it is already used when
Alain Reguera Delgado 66223d
# loading module-specific options. Using more than one invocation of
Alain Reguera Delgado 66223d
# getopt in the same script is not possible (e.g., one of the
Alain Reguera Delgado 66223d
# invocations may enter in conflict with the other one when different
Alain Reguera Delgado 66223d
# option definitions are expected in the command-line.)
Alain Reguera Delgado 66223d
while true; do
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
    # Store non-option arguments passed to tcar.sh script.
Alain Reguera Delgado 66223d
    if [[ ! ${1} =~ '^-' ]];then
Alain Reguera Delgado 66223d
        TCAR_SCRIPT_ARGUMENT="${1} ${TCAR_SCRIPT_ARGUMENT}"
Alain Reguera Delgado 66223d
        shift 1
Alain Reguera Delgado 66223d
        if [[ $# -gt 0 ]];then
Alain Reguera Delgado 66223d
            continue
Alain Reguera Delgado 66223d
        else
Alain Reguera Delgado 66223d
            break
Alain Reguera Delgado 66223d
        fi
Alain Reguera Delgado 66223d
    fi
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
    case "${1}" in
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
        --help* )
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
            if [[ -z ${TCAR_MODULE_NAME} ]];then
Alain Reguera Delgado 66223d
                # Print tcar.sh script's help. Consider that the
Alain Reguera Delgado 66223d
                # --help option can receive an argument by using the
Alain Reguera Delgado 66223d
                # equal sign (e.g.,
Alain Reguera Delgado 66223d
                # --help=tcar_setModuleEnvironment.sh).  However, it
Alain Reguera Delgado 66223d
                # is not possible to use spaces instead of equal sign
Alain Reguera Delgado 66223d
                # because that would confuse other options from being
Alain Reguera Delgado 66223d
                # parsed.
Alain Reguera Delgado 66223d
                tcar_printHelp "${1}"
Alain Reguera Delgado 66223d
                exit 0
Alain Reguera Delgado 66223d
            else
Alain Reguera Delgado 66223d
                # Store the argument for further processing inside the
Alain Reguera Delgado 66223d
                # module environment that will be executed later.
Alain Reguera Delgado 66223d
                TCAR_MODULE_ARGUMENT="-g ${1} ${TCAR_MODULE_ARGUMENT}"
Alain Reguera Delgado 66223d
                shift 1
Alain Reguera Delgado 66223d
            fi
Alain Reguera Delgado 66223d
            ;;
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
        --version )
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
            # Print tcar.sh script's version.
Alain Reguera Delgado 66223d
            if [[ -z ${TCAR_MODULE_NAME} ]];then
Alain Reguera Delgado 66223d
                tcar_printVersion
Alain Reguera Delgado 66223d
                exit 0
Alain Reguera Delgado 66223d
            else
Alain Reguera Delgado 66223d
                TCAR_MODULE_ARGUMENT="-g ${1} ${TCAR_MODULE_ARGUMENT}"
Alain Reguera Delgado 66223d
                shift 1
Alain Reguera Delgado 66223d
            fi
Alain Reguera Delgado 66223d
            ;;
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
        --quiet )
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
            TCAR_FLAG_QUIET='true'
Alain Reguera Delgado 66223d
            shift 1
Alain Reguera Delgado 66223d
            ;;
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
        --yes )
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
            TCAR_FLAG_YES='true'
Alain Reguera Delgado 66223d
            shift 1
Alain Reguera Delgado 66223d
            ;;
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
        --debug )
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
            TCAR_FLAG_DEBUG='true'
Alain Reguera Delgado 66223d
            shift 1
Alain Reguera Delgado 66223d
            ;;
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
        * ) 
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
            # Store module-specific option arguments. This is, all
Alain Reguera Delgado 66223d
            # arguments not considered part of tcar.sh script
Alain Reguera Delgado 66223d
            # itself. The module-specific option arguments are passed,
Alain Reguera Delgado 66223d
            # later, to getopt for option processing, inside the
Alain Reguera Delgado 66223d
            # module-specific environments.
Alain Reguera Delgado 66223d
            TCAR_MODULE_ARGUMENT="-g ${1} ${TCAR_MODULE_ARGUMENT}"
Alain Reguera Delgado 66223d
            shift 1
Alain Reguera Delgado 66223d
            if [[ $# -gt 0 ]];then
Alain Reguera Delgado 66223d
                continue
Alain Reguera Delgado 66223d
            else
Alain Reguera Delgado 66223d
                break
Alain Reguera Delgado 66223d
            fi
Alain Reguera Delgado 66223d
            ;;
Alain Reguera Delgado 66223d
    esac
Alain Reguera Delgado 66223d
done
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# Initiate module-specific environment.
Alain Reguera Delgado 66223d
tcar_setModuleEnvironment -m "${TCAR_MODULE_NAME}" ${TCAR_MODULE_ARGUMENT} ${TCAR_SCRIPT_ARGUMENT}
Alain Reguera Delgado 66223d
Alain Reguera Delgado 66223d
# At this point everything has been done without errors. So, exit
Alain Reguera Delgado 66223d
# tcar.sh script successfully.
Alain Reguera Delgado 66223d
exit 0