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register.sh
executable file
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register.sh
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#!/bin/bash
# Copyright (c) 2013, Tarcísio E. M. Crocomo
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# Redistributions of source code must retain the above copyright notice, this list
# of conditions and the following disclaimer.
#
# Redistributions in binary form must reproduce the above copyright notice, this
# list of conditions and the following disclaimer in the documentation and/or
# other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
CONFIGSROOT="$(cd "$(dirname "$0")" && pwd)"
source "$CONFIGSROOT"/core.sh
if [ ! "$1" -a "$2" ]
then
echo "$0: wrong number of arguments"
exit
fi
if [ ! -e "$1" ]
then
echo "$0: file $1 does not exist"
exit
fi
if [ -h "$1" ]
then
echo "$0: file $1 is already a symbolic link"
exit
fi
newpath="${CONFIGSROOT}/files/$2"
if [ -e "$newpath" ]
then
echo "$0: file $2 already exists"
fi
realpath="$(readlink -f $1)"
[[ "$realpath" =~ ^"$HOME"(/|$) ]] && realpath="~${realpath#$HOME}"
mv "$1" "$newpath"
ln -s "$newpath" "$1"
echo "$realpath" "$2" >> "$MAPPING"
sort "$MAPPING" >> sorted
mv sorted "$MAPPING"