1#!/usr/bin/env node --redirect-warnings=/dev/null
2
3const { execFileSync } = require("child_process");
4const { GITHUB_ACCESS_TOKEN } = process.env;
5const PR_REGEX = /#\d+/ // Ex: matches on #4241
6const FIXES_REGEX = /(fixes|closes|completes) (.+[/#]\d+.*)$/im;
7
8main();
9
10async function main() {
11 // Get the last two preview tags
12 const [newTag, oldTag] = execFileSync(
13 "git",
14 ["tag", "--sort", "-committerdate"],
15 { encoding: "utf8" }
16 )
17 .split("\n")
18 .filter((t) => t.startsWith("v") && t.endsWith("-pre"));
19
20 // Print the previous release
21 console.log(`Changes from ${oldTag} to ${newTag}\n`);
22
23 let hasProtocolChanges = false;
24 try {
25 execFileSync("git", ["diff", oldTag, newTag, "--exit-code", "--", "crates/rpc"]).status != 0;
26 } catch (error) {
27 hasProtocolChanges = true;
28 }
29
30 if (hasProtocolChanges) {
31 console.warn("\033[31;1;4mRPC protocol changes, server should be re-deployed\033[0m\n");
32 } else {
33 console.log("No RPC protocol changes\n");
34 }
35
36 // Get the PRs merged between those two tags.
37 const pullRequestNumbers = getPullRequestNumbers(oldTag, newTag);
38
39 // Get the PRs that were cherry-picked between main and the old tag.
40 const existingPullRequestNumbers = new Set(getPullRequestNumbers("main", oldTag));
41
42 // Filter out those existing PRs from the set of new PRs.
43 const newPullRequestNumbers = pullRequestNumbers.filter(number => !existingPullRequestNumbers.has(number));
44
45 // Fetch the pull requests from the GitHub API.
46 console.log("Merged Pull requests:");
47 for (const pullRequestNumber of newPullRequestNumbers) {
48 const webURL = `https://github.com/zed-industries/zed/pull/${pullRequestNumber}`;
49 const apiURL = `https://api.github.com/repos/zed-industries/zed/pulls/${pullRequestNumber}`;
50
51 const response = await fetch(apiURL, {
52 headers: {
53 Authorization: `token ${GITHUB_ACCESS_TOKEN}`,
54 },
55 });
56
57 // Print the pull request title and URL.
58 const pullRequest = await response.json();
59 console.log("*", pullRequest.title);
60 console.log(" PR URL: ", webURL);
61
62 // If the pull request contains a 'closes' line, print the closed issue.
63 const fixesMatch = (pullRequest.body || "").match(FIXES_REGEX);
64 if (fixesMatch) {
65 const fixedIssueURL = fixesMatch[2];
66 console.log(" Issue URL: ", fixedIssueURL);
67 }
68
69 let releaseNotes = (pullRequest.body || "").split("Release Notes:")[1];
70
71 if (releaseNotes) {
72 releaseNotes = releaseNotes.trim().split("\n")
73 console.log(" Release Notes:");
74
75 for (const line of releaseNotes) {
76 console.log(` ${line}`);
77 }
78 }
79
80 console.log()
81 }
82}
83
84function getPullRequestNumbers(oldTag, newTag) {
85 const pullRequestNumbers = execFileSync(
86 "git",
87 [
88 "log",
89 `${oldTag}..${newTag}`,
90 "--oneline"
91 ],
92 { encoding: "utf8" }
93 )
94 .split("\n")
95 .filter(line => line.length > 0)
96 .map(line => {
97 const match = line.match(/#(\d+)/);
98 return match ? match[1] : null;
99 })
100 .filter(line => line);
101
102 return pullRequestNumbers;
103}