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|
#! /bin/bash
#
# This script builds a nice list of contributors (full name, github login, email).
# If you want to change your appearance in generated file, feel free to send a PR!
#
set -euo pipefail
function find_login() {
local github_login="$(curl -s --get "https://api.github.com/search/users" \
--data-urlencode "q=$1" \
| jq -r '.items[0].login' 2>/dev/null)"
if [[ "${github_login}" != "" ]] && [[ "${github_login}" != "null" ]]
then
echo "${github_login}"
fi
}
# If the user has full name in their public github profile, use it.
# Otherwise we'll fallback to whatever we have in git.
function find_name() {
local github_name="$(curl -s "https://api.github.com/users/$1" \
| jq -r .name 2>/dev/null \
| sed -r -e 's,^\s*,,' -e 's,\s*$,,')"
if [[ "${github_name}" != "" ]] && [[ "${github_name}" != "null" ]]
then
echo "${github_name}"
fi
}
# Github preserves git committer email if PR was merged using rebase-merge, but
# spoils it if it was merged using squash-merge, which is annoying! If the
# user originally provided a real email in their public git commits, we'll use
# it, otherwise we'll fall back to whatever we have in git after merging PR.
function find_email() {
local reflog_email="$(git reflog --pretty=format:"%an <%ae>" | sort -u | \
grep -vF users.noreply.github.com | grep -F "$1" | sed -re 's,.*<(.*)>,\1,')"
if [[ "${reflog_email}" != "" ]]
then
echo "${reflog_email}"
return
fi
local github_email="$(curl -s "https://api.github.com/users/$1/events/public" \
| jq -r \
'((.[].payload.commits | select(. != null))[].author | select(.name == "'$1'")).email' \
2>/dev/null \
| sort -u \
| grep -v users.noreply.github.com \
| head -1)"
if [[ "${github_email}" != "" ]] && [[ "${github_email}" != "null" ]]
then
echo "${github_email}"
fi
}
# Add contributor if not already added.
function add_if_new() {
local file="$1"
local commit_name="$2"
local commit_email="$3"
if grep -qiF "${commit_name}" "${file}" || grep -qiF "${commit_email}" "${file}"
then
return
fi
local github_login="$(find_login "${commit_email}")"
if [ -z "${github_login}" ]
then
github_login="$(find_login "${commit_name}")"
fi
if [[ -z "${github_login}" ]]
then
if echo "${commit_email}" | grep -q users.noreply.github.com
then
github_login="$(echo "${commit_email}" | sed -re 's,^([0-9]+\+)?([^@]+).*$,\2,')"
fi
fi
if grep -qiF "/${github_login}/" "${file}"
then
return
fi
local full_name="$(find_name "${github_login}")"
if [ -z "${full_name}" ]
then
full_name="${commit_name}"
fi
full_name="$(echo "${full_name}" | sed -re 's/\S+/\u&/g')"
local address=""
if echo "${commit_email}" | grep -q users.noreply.github.com
then
if [[ ! -z "${github_login}" ]]
then
address="$(find_email "${github_login}")"
fi
else
address="${commit_email}"
fi
if [[ -z "${address}" && ! -z "${github_login}" ]]
then
address="https://github.com/${github_login}"
fi
local result="${full_name}"
if [ ! -z "${github_login}" ]
then
result="${result} \`${github_login}\`"
fi
if [ ! -z "${address}" ]
then
result="${result} (${address})"
fi
echo "adding ${result}" 1>&2
echo "* ${result}"
}
# Find all new contributors and append to the file.
function add_contributors() {
out_file="$1"
repo_dir="$(pwd)"
if [ ! -d "${repo_dir}" ]
then
return
fi
GIT_DIR="${repo_dir}"/.git \
git log --encoding=utf-8 --full-history --reverse "--format=format:%at,%an,%ae" \
| sort -u -t, -k3,3 \
| sort -t, -k1n \
| while read line
do
name="$(echo "${line}" | cut -d, -f2)"
email="$(echo "${line}" | cut -d, -f3)"
add_if_new "${out_file}" "${name}" "${email}" >> "${out_file}"
done
}
result_file="AUTHORS.md"
temp_file="$(mktemp)"
cat "${result_file}" > "${temp_file}"
add_contributors "${temp_file}"
cat "${temp_file}" > "${result_file}"
rm "${temp_file}"
echo "updated ${result_file}"
|
