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#!/bin/bash
#
# Copyright 2023 The original authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
set -eo pipefail
SOURCE_FORK="baseline"
usage() {
echo "Usage: create_fork.sh [-s <source fork>] <fork name>"
echo " -s <source fork> The name of the fork to copy from (default: baseline)"
echo " <fork name> The name of the fork to create"
exit 1
}
# Parse
while getopts ":s:" opt; do
case ${opt} in
s )
SOURCE_FORK=$OPTARG
;;
\? )
usage
exit 1
;;
: )
echo "Invalid option: $OPTARG requires an argument" 1>&2
exit 1
;;
esac
done
FORK=${@:$OPTIND:1}
if [ -z "$FORK" ]
then
usage
exit 1
fi
# validate the fork name has only [a-zA-Z0-9_] and then error otherwise to let the user fix
if [[ ! "$FORK" =~ ^[a-zA-Z0-9_]+$ ]]; then
echo "Fork name must only contain characters result in a valid Java class name [a-zA-Z0-9_]"
exit 1
fi
# helper function
function substitute_in_file {
if [[ "$OSTYPE" == "darwin"* ]]; then
sed -i '' "s/$1/$2/g" $3
else
sed -i "s/$1/$2/g" $3
fi
}
set -x
# create new fork
cp -i prepare_$SOURCE_FORK.sh prepare_$FORK.sh
cp -i calculate_average_$SOURCE_FORK.sh calculate_average_$FORK.sh
substitute_in_file $SOURCE_FORK $FORK calculate_average_$FORK.sh
if [ $SOURCE_FORK == "baseline" ]; then
cp -i src/main/java/dev/morling/onebrc/CalculateAverage_baseline.java src/main/java/dev/morling/onebrc/CalculateAverage_$FORK.java
substitute_in_file CalculateAverage_baseline CalculateAverage_$FORK src/main/java/dev/morling/onebrc/CalculateAverage_$FORK.java
else
cp -i src/main/java/dev/morling/onebrc/CalculateAverage_$SOURCE_FORK.java src/main/java/dev/morling/onebrc/CalculateAverage_$FORK.java
substitute_in_file $SOURCE_FORK $FORK src/main/java/dev/morling/onebrc/CalculateAverage_$FORK.java
fi
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