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#!/usr/bin/env bash
#
# @license Apache-2.0
#
# Copyright (c) 2017 The Stdlib 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.
# Generates a CONTRIBUTORS file.
#
# This script is called with the following arguments:
#
# - `$1`: output file path
# VARIABLES #
# Set the output file path:
output_file="$1"
# Determine root directory:
root="$(git rev-parse --show-toplevel)"
# Resolve the relative file path of this script (see http://stackoverflow.com/questions/2564634/convert-absolute-path-into-relative-path-given-a-current-directory-using-bash):
this_script=$(perl -MFile::Spec -e 'print File::Spec->abs2rel(@ARGV)' "$0" "${root}")
# FUNCTIONS #
# Lists contributors.
list_contributors() {
local contributors
contributors="$(git shortlog -sne | cut -f 2 | sort)"
echo "${contributors}"
}
# Generates file contents.
#
# $1 - contributors
file_contents() {
cat << EOF
# This file is generated by $this_script.
#
# Contributors listed in alphabetical order.
$1
EOF
}
# Main execution sequence.
main() {
file_contents "$(list_contributors)" > "${output_file}"
}
# Run main:
main
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