Update cdda's experimental by copying over data from previous version.

cdda_update.sh

#!/usr/bin/env bash
#
# Copyright 2020 Ludovic Bellière <xrogaan@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#

STAGING="$(cd $(dirname $0) && echo $PWD)"
cd "${STAGING}"
OPT="$(cd ../opt/ && echo $PWD)"
FILENAME="cataclysmdda-0.D-Linux_x64-Tiles-@RELEASE@.tar.gz"
FETCH_URL="https://github.com/CleverRaven/Cataclysm-DDA/releases/download/cdda-jenkins-b@RELEASE@/cataclysmdda-0.D-Linux_x64-Tiles-@RELEASE@.tar.gz"

usage() {
    echo "Usage: $0 -r releaseInt -s previous_cdda" 1>&2
}

exit_error() {
    >&2 echo "$@"
    exit 1
}

exit_abnormal() {
    usage
    exit 1
}

[ $# -eq 0 ] && exit_abnormal

RELEASE=0
while getopts ":r:s:h" opt; do
    case "${opt}" in
        h)
            usage
            exit 0
            ;;
        r)
            RELEASE=$OPTARG
            ;;
        s)
            SOURCE=$OPTARG
            if [[ ! -d $SOURCE ]]; then
                exit_error "$SOURCE does not exists or isn't a folder."
            fi
            SOURCE="$(cd $SOURCE && pwd)"
            SOURCE_GFX="${SOURCE}/gfx"
            ;;
        :)
            echo "Error: -${OPTARG} requires an argument."
            exit_abnormal
            ;;
        *)
            exit_abnormal
            ;;
    esac
done

if [ $RELEASE -eq 0 ]; then
    >&2 echo "Release needs to be defined."
    usage
    exit 1
fi

FILENAME=$(echo $FILENAME | sed -e "s/@RELEASE@/$RELEASE/")

# Don't redownload an existing file.
if [[ ! -f "$RELEASE/$FILENAME" ]]; then
    FETCH_URL=$(echo $FETCH_URL | sed -e "s/@RELEASE@/$RELEASE/g")
    echo -ne "Downloading $FETCH_URL...\t"
    wget -q --directory-prefix=$RELEASE $(echo $FETCH_URL | sed -e "s/@RELEASE@/$RELEASE/g")
    echo "Done."
else
    echo "Archive already cached, not downloading..."
fi

echo "Entering $RELEASE/ ..."
# Staging -> 123456
pushd $RELEASE > /dev/null
echo "Unpacking $FILENAME..."
aunpack -q $FILENAME 
NEWFOLDER="cataclysmdda-0.D-${RELEASE}"
echo -ne "Rename cataclysmdda-0.D to $NEWFOLDER...\t"
mv "cataclysmdda-0.D" $NEWFOLDER
echo "Done."

echo "Entering cataclysmdda-0.D-$RELEASE/ ..."
# 123456 -> cataclysmdda-123456
pushd "cataclysmdda-0.D-$RELEASE" > /dev/null
echo -ne "Copying old data to new game folder ...\t"

mv --target-directory=. \
    "${SOURCE}/config" \
    "${SOURCE}/save" \
    "${SOURCE}/templates" \
    "${SOURCE}/sound"

mv --target-directory=gfx \
    "${SOURCE_GFX}/MSX++UnDeadPeopleEdition"

echo "Done."
# cataclysmdda-123456 -> 123456
popd > /dev/null
echo "mv $NEWFOLDER $(cd ../../ && pwd)"
mv $NEWFOLDER ../../
popd > /dev/null