From 2d748a8ec52d93f6d577ac139f9ecb08f4db658d Mon Sep 17 00:00:00 2001
From: Tim van der Lippe <tvanderlippe@chromium.org>
Date: Fri, 9 Apr 2021 12:15:32 +0100
Subject: [PATCH] Remove suggest_owners script

R=jacktfranklin@chromium.org

Bug: none
Change-Id: I9bbe0e91f2fae60f16e1c62be898e2ce8b3a7f14
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2817599
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Commit-Queue: Jack Franklin <jacktfranklin@chromium.org>
Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
---
 scripts/suggest_owners.js | 102 --------------------------------------
 1 file changed, 102 deletions(-)
 delete mode 100644 scripts/suggest_owners.js

diff --git a/scripts/suggest_owners.js b/scripts/suggest_owners.js
deleted file mode 100644
index becf8781b6..0000000000
--- a/scripts/suggest_owners.js
+++ /dev/null
@@ -1,102 +0,0 @@
-// Copyright 2020 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Suggest owners based on authoring and reviewing contributions.
-// Usage: node suggest-owners.js <since-date> <path>
-const {promisify} = require('util');
-const exec = promisify(require('child_process').exec);
-const readline = require('readline');
-const fs = require('fs');
-const path = require('path');
-const file_path = process.argv[3];
-const date = process.argv[2];
-
-readline.Interface.prototype.question[promisify.custom] = function(prompt) {
-  return new Promise(
-      resolve => readline.Interface.prototype.question.call(this, prompt, resolve),
-  );
-};
-readline.Interface.prototype.questionAsync = promisify(
-    readline.Interface.prototype.question,
-);
-
-(async function() {
-  const {stdout} = await exec(`git log --numstat --since=${date} ${file_path}`, {maxBuffer: 1024 * 1024 * 128});
-  const structured_log = [];
-  // Parse git log into a list of commit objects.
-  for (const line of stdout.split('\n')) {
-    if (line.startsWith('commit')) {
-      // Start of a new commit
-      const match = /^commit (?<hash>\p{ASCII_Hex_Digit}+)/u.exec(line);
-      structured_log.push({
-        commit: match.groups.hash,
-        contributors: new Set(),
-      });
-      continue;
-    }
-    const commit = structured_log[structured_log.length - 1];
-    let match;
-    if ((match = line.match(/^Author: .*<(?<author>.+@.+\..+)>$/))) {
-      commit.contributors.add(match.groups.author);
-    } else if ((match = line.match(/Reviewed-by: .*<(?<reviewer>.+@.+\..+)>$/))) {
-      commit.contributors.add(match.groups.reviewer);
-    }
-  }
-
-  // Attribute commits to contributors.
-  const contributor_to_commits = new Map();
-  for (commit of structured_log) {
-    for (const contributor of commit.contributors) {
-      if (!contributor_to_commits.has(contributor)) {
-        contributor_to_commits.set(contributor, 1);
-      } else {
-        contributor_to_commits.set(contributor, contributor_to_commits.get(contributor) + 1);
-      }
-    }
-  }
-
-  // Output contributors.
-  let list = [];
-  for (const [contributor, commits] of contributor_to_commits) {
-    list.push({contributor, commits});
-  }
-  list.sort((a, b) => b.commits - a.commits);
-  console.log('Contributions');
-  for (const {contributor, commits} of list) {
-    console.log(`  ${contributor.padEnd(30)}: ${String(commits).padStart(3)}`);
-  }
-
-  const owners_path = path.join(file_path, 'OWNERS');
-  // Output existing OWNERS file if exists.
-  if (fs.existsSync(owners_path)) {
-    console.log('Content of existing OWNERS file\n');
-    console.log(fs.readFileSync(owners_path).toString());
-  }
-
-  // Prompt cut off value to suggest owners.
-  const rl = readline.createInterface({
-    input: process.stdin,
-    output: process.stdout,
-  });
-  const input = await rl.questionAsync('Cut off at: ');
-  const cutoff = parseInt(input, 10);
-  if (isNaN(cutoff)) {
-    return;
-  }
-
-  console.log('Proposed owners');
-  list = list.filter(item => item.commits >= cutoff)
-             .sort((a, b) => a.contributor.toLowerCase().localeCompare(b.contributor.toLowerCase()));
-  for (const {contributor} of list) {
-    console.log('  ' + contributor);
-  }
-
-  // Prompt to write to OWNERS file.
-  if ((await rl.questionAsync(`Write to ${owners_path} ?`)).toLowerCase() === 'y') {
-    fs.writeFileSync(owners_path, list.map(e => e.contributor).join('\n') + '\n');
-    await exec(`git add ${owners_path}`);
-  }
-
-  rl.close();
-})();