From 793028fbdd3d8cc8c6df9c89ec21577cf8073f72 Mon Sep 17 00:00:00 2001
From: Victor Gaydov <victor@enise.org>
Date: Tue, 19 Sep 2023 17:32:10 +0400
Subject: [PATCH] Add update_authors.sh

---
 AUTHORS                  |   6 +-
 script/update_authors.sh | 127 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 130 insertions(+), 3 deletions(-)
 create mode 100755 script/update_authors.sh

diff --git a/AUTHORS b/AUTHORS
index f96422e9..f6c17b2e 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1,8 +1,8 @@
 # Signal Estimator authors ordered by first contribution.
 Victor Gaydov <victor@enise.org>
-BitsonFire
-Vhuynh25
-robotboyfriend
+BitsonFire <https://github.com/BitsonFire>
+Vien Huynh <https://github.com/Vhuynh25>
+robotboyfriend <https://github.com/robotboyfriend>
 Théo Lebrun <theo.lebrun@bootlin.com>
 Marco Langer <langer.m86@gmail.com>
 Boring Technologies <sam@boring.tech>
diff --git a/script/update_authors.sh b/script/update_authors.sh
new file mode 100755
index 00000000..9002a7f7
--- /dev/null
+++ b/script/update_authors.sh
@@ -0,0 +1,127 @@
+#!/usr/bin/env bash
+
+function find_login() {
+    local github_login="$(curl -s "https://api.github.com/search/users?q=$1" \
+        | jq -r '.items[0].login' 2>/dev/null)"
+
+    if [[ "${github_login}" != "" ]] && [[ "${github_login}" != "null" ]]
+    then
+        echo "${github_login}"
+    fi
+}
+
+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 "${github_name}"
+    fi
+}
+
+function find_email() {
+    local github_email="$(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
+}
+
+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]+\+)?([^@]+).*$,\2,')"
+        fi
+    fi
+
+    local print_name="$(find_name "${github_login}")"
+    if [ -z "${print_name}" ]
+    then
+        print_name="${commit_name}"
+    fi
+    print_name="$(echo "${print_name}" | sed -re 's/\S+/\u&/g')"
+
+    local print_addr=""
+    if echo "${commit_email}" | grep -q users.noreply.github.com
+    then
+        if [[ ! -z "${github_login}" ]]
+        then
+            print_addr="$(find_email "${github_login}")"
+        fi
+    else
+        print_addr="${commit_email}"
+    fi
+    if [[ -z "${print_addr}" && ! -z "${github_login}" ]]
+    then
+        print_addr="https://github.com/${github_login}"
+    fi
+
+    if [ -z "${print_addr}" ]
+    then
+        echo "adding ${print_name}" 1>&2
+        echo "${print_name}"
+    else
+        echo "adding ${print_name} <${print_addr}>" 1>&2
+        echo "${print_name} <${print_addr}>"
+    fi
+}
+
+function add_contributors() {
+    out_file="$1"
+    repo_dir="$2"
+
+    git log --encoding=utf-8 --full-history --reverse "--format=format:%at,%an,%ae" \
+        | sort -u -t, -k3,3 \
+        | sort -t, -k1n \
+        | while read line
+    do
+        name="$(echo "${line}" | cut -d, -f2)"
+        email="$(echo "${line}" | cut -d, -f3)"
+
+        add_if_new "${out_file}" "${name}" "${email}" >> "${out_file}"
+    done
+}
+
+function update_authors() {
+    file="AUTHORS"
+    temp="$(mktemp)"
+
+    cat "${file}" > "${temp}"
+
+    add_contributors "${temp}" "$(pwd)"
+
+    cat "$temp" > "${file}"
+    rm "${temp}"
+}
+
+cd "$(dirname "$0")/.."
+
+update_authors "${sphinx}"
+
+echo "done"