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#!/bin/bash
#
# cli_checkRepoDirSource.sh -- This function provides input validation
# to repository entries considered as source locations.
#
# 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_checkRepoDirSource {
# Define location in order to make this function reusable not just
# for action value variable but whatever value passed as first
# positional argument.
local LOCATION=$1
# Verify location. Assuming no location is passed as first
# positional parameter to this function, print an error message
# and stop script execution.
if [[ "$LOCATION" == '' ]];then
cli_printMessage "`gettext "The first positional parameter is required."`" --as-error-line
fi
# Check action value to be sure strange characters are kept far
# away from path provided.
cli_checkPathComponent $LOCATION
# Redefine source value to build repository absolute path from
# repository top level on. As we are removing
# /home/centos/artwork/ from all centos-art.sh output (in order to
# save horizontal output space), we need to be sure that all
# strings begining with trunk/..., branches/..., and tags/... use
# the correct absolute path. That is, you can refer trunk's
# entries using both /home/centos/artwork/trunk/... or just
# trunk/..., the /home/centos/artwork/ part is automatically added
# here.
if [[ $LOCATION =~ '^(trunk|branches|tags)' ]];then
LOCATION=${HOME}/artwork/$LOCATION
fi
# Re-define source value to build repository absolute path from
# repository relative paths. This let us to pass repository
# relative paths as source value. Passing relative paths as
# source value may save us some typing; specially if we are stood
# a few levels up from the location we want to refer to as source
# value. There is no need to pass the absolute path to it, just
# refere it relatively.
if [[ -d ${LOCATION} ]];then
# Add directory to the top of the directory stack.
pushd "$LOCATION" > /dev/null
# Check directory existence inside the repository.
if [[ $(pwd) =~ "^${HOME}/artwork" ]];then
# Re-define source value using absolute path.
LOCATION=$(pwd)
else
cli_printMessage "`eval_gettext "The location \\\"\\\$LOCATION\\\" is not valid."`" --as-error-line
fi
# Remove directory from the directory stack.
popd > /dev/null
elif [[ -f ${LOCATION} ]];then
# Add directory to the top of the directory stack.
pushd "$(dirname "$LOCATION")" > /dev/null
# Check directory existence inside the repository.
if [[ $(pwd) =~ "^${HOME}/artwork" ]];then
# Re-define source value using absolute path.
LOCATION=$(pwd)/$(basename "$LOCATION")
else
cli_printMessage "`eval_gettext "The location \\\"\\\$LOCATION\\\" is not valid."`" --as-error-line
fi
# Remove directory from the directory stack.
popd > /dev/null
fi
# Output sanitated location.
echo $LOCATION
}