zed/script/get-preview-channel-changes

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#!/usr/bin/env node --redirect-warnings=/dev/null
const { execFileSync } = require("child_process");
const { GITHUB_ACCESS_TOKEN } = process.env;
const PR_REGEX = /#\d+/; // Ex: matches on #4241
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const FIXES_REGEX = /(fixes|closes|completes) (.+[/#]\d+.*)$/im;
main();
async function main() {
// Get the last two preview tags
const [newTag, oldTag] = execFileSync(
"git",
["tag", "--sort", "-committerdate"],
{ encoding: "utf8" },
)
.split("\n")
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.filter((t) => t.startsWith("v") && t.endsWith("-pre"));
// Print the previous release
console.log(`Changes from ${oldTag} to ${newTag}\n`);
let hasProtocolChanges = false;
try {
execFileSync("git", [
"diff",
oldTag,
newTag,
"--exit-code",
"--",
"crates/rpc",
]).status != 0;
} catch (error) {
hasProtocolChanges = true;
}
if (hasProtocolChanges) {
console.warn(
"\033[31;1;4mRPC protocol changes, server should be re-deployed\033[0m\n",
);
} else {
console.log("No RPC protocol changes\n");
}
// Get the PRs merged between those two tags.
const pullRequestNumbers = getPullRequestNumbers(oldTag, newTag);
// Get the PRs that were cherry-picked between main and the old tag.
const existingPullRequestNumbers = new Set(
getPullRequestNumbers("main", oldTag),
);
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// Filter out those existing PRs from the set of new PRs.
const newPullRequestNumbers = pullRequestNumbers.filter(
(number) => !existingPullRequestNumbers.has(number),
);
// Fetch the pull requests from the GitHub API.
console.log("Merged Pull requests:");
for (const pullRequestNumber of newPullRequestNumbers) {
const webURL = `https://github.com/zed-industries/zed/pull/${pullRequestNumber}`;
const apiURL = `https://api.github.com/repos/zed-industries/zed/pulls/${pullRequestNumber}`;
const response = await fetch(apiURL, {
headers: {
Authorization: `token ${GITHUB_ACCESS_TOKEN}`,
},
});
// Print the pull request title and URL.
const pullRequest = await response.json();
const releaseNotesHeader = /^\s*(?:Release )?Notes\s*:(.+)/ims;
let releaseNotes = pullRequest.body || "";
const captures = releaseNotesHeader.exec(releaseNotes);
const notes = captures ? captures[1] : "MISSING";
const skippableNoteRegex = /^\s*-?\s*n\/?a\s*/ims;
if (skippableNoteRegex.exec(notes) != null) {
continue;
}
console.log("*", pullRequest.title);
console.log(" PR URL: ", webURL);
// If the pull request contains a 'closes' line, print the closed issue.
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const fixesMatch = (pullRequest.body || "").match(FIXES_REGEX);
if (fixesMatch) {
const fixedIssueURL = fixesMatch[2];
console.log(" Issue URL: ", fixedIssueURL);
}
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releaseNotes = notes.trim().split("\n");
console.log(" Release Notes:");
for (const line of releaseNotes) {
console.log(` ${line}`);
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}
console.log();
}
}
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function getPullRequestNumbers(oldTag, newTag) {
const pullRequestNumbers = execFileSync(
"git",
["log", `${oldTag}..${newTag}`, "--oneline"],
{ encoding: "utf8" },
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)
.split("\n")
.filter((line) => line.length > 0)
.map((line) => {
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const match = line.match(/#(\d+)/);
return match ? match[1] : null;
})
.filter((line) => line);
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return pullRequestNumbers;
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}