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#!/bin/bash
##===----------------------------------------------------------------------===##
##
## This source file is part of the Swift open source project
##
## Copyright (c) 2022 Apple Inc. and the Swift project authors
## Licensed under Apache License v2.0 with Runtime Library Exception
##
## See http://swift.org/LICENSE.txt for license information
## See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
##
##===----------------------------------------------------------------------===##
set -eu
here="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
contributor_list=$( cd "$here"/.. && git shortlog -es | cut -f2 )
filtered_hashes=$( cat "$here/../.mailfilter" | grep -E '^[a-z0-9]+$' | sort )
NL=$'\n'
contributors=''
while IFS= read -r line; do
hashed="$(echo -n "$line" | shasum | head -c 40)"
found_hash=$(comm -12 <(echo "$hashed") <(echo "$filtered_hashes"))
if [ ! -z "$found_hash" ]; then
continue
fi
contributors="${contributors}- $line$NL"
done <<< "$contributor_list"
cat > "$here/../CONTRIBUTORS.txt" <<- EOF
For the purpose of tracking copyright, this is the list of individuals and
organizations who have contributed to Swift Package Manager.
For employees of an organization/company where the copyright of work done
by employees of that company is held by the company itself, only the company
needs to be listed here.
## COPYRIGHT HOLDERS
- Apple Inc. (all contributors with '@apple.com')
### Contributors
$contributors
**Updating this list**
Please do not edit this file manually. It is generated using \`./Utilities/generate_contributors_list.sh\`. If a name is misspelled or appearing multiple times: add an entry in \`./.mailmap\`
EOF
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