dotfiles/bin/github-releases.mjs

301 lines
12 KiB
JavaScript
Executable File

#!/usr/bin/env nodejsscript
/* jshint esversion: 11,-W097, -W040, module: true, node: true, expr: true, undef: true *//* global echo, $, pipe, s, fetch, cyclicLoop */
// "\x1b[38;2;150;150;150m"
// https://talyian.github.io/ansicolors/
/**
* Represents a package record stored locally
*
* @typedef ConfigPackage
* @type {Object}
* @property {string} repository - Repo in the form `<owner>/<repo>`
* @property {string} name - Name/Identifier
* @property {string} description - A description of the repo/package
* @property {string} file_name - The name of the file as stored locally
* @property {"yes"|"no"} exec - Whether the file is executable
* @property {string} last_update - The date and time of the last update
* @property {string} downloads - The path to the file
* @property {string} version - The version of the file
* @property {string} tag_name_regex - Filter only matching releases
* */
/**
* @typedef Config
* @type {{ packages: ConfigPackage[] }}
* */
/**
* Represents a GitHub release information.
*
* @typedef {Object} GitHubRelease
* @property {number} id - The ID of the GitHub release.
* @property {string} url - The URL of the GitHub release.
* @property {string} assets_url - The URL of the assets associated with the GitHub release.
* @property {string} html_url - The HTML URL of the GitHub release.
* @property {string} tag_name - The tag name of the GitHub release.
* @property {string} published_at - The publication date of the GitHub release.
*/
import { join } from "node:path";
const path_config= $.xdg.config`github-releases`;
const paths= {
/** config file path — JSON stringify of {@link Config} */ config: join(path_config, "config.json"),
/** path to lock file to prevent multiple instances */ lock: join(path_config, "lock"),
};
const path_temp= $.xdg.temp`github-releases.json`;
let url_api= "github";
const urls_api= {
github: "https://api.github.com/repos/",
ungh: "https://ungh.cc/repos/"
};
const url_download= "https://glare.now.sh/"; // https://github.com/Contextualist/glare
const css= echo.css`
.pkg { color: lightcyan; }
.ok { color: lightgreen; }
.err { color: lightred; }
.skip { color: red; color: gray; }
.spin { display: list-item; list-style: --terminal-spin; }
`;
$.api()
.version("2.2.0")
.describe("Helper for working with “packages” stored in GitHub releases.")
.option("--verbose", "Verbose output (WIP)")
.option("--group, -G", "Filter by group (not awaiable for noGRA)")
.option("--repository, -R", "Filter by repository (not awaiable for noGRA)")
.option("--api", [ "Choose API URL",
"- GitHub (default): https://api.github.com/repos/",
"- Ungh: https://ungh.cc/repos/", "(not awaiable for noGRA)" ], "github")
.command("unlock", "[noGRA] DANGER: Removes lock file. Use only if you know what you are doing!")
.action(function(){
s.rm(paths.lock);
})
.command("config [mode]", [ "[noGRA] Config (file), use `mode` with these options:",
"- `edit`: opens config file in terminal editor using `$EDITOR` (defaults to vim)",
"- `path`: prints path to config file"
])
.action(async function(mode= "path"){
switch(mode){
case "path": echo(paths.config); break;
case "edit":
const editor= $.env.EDITOR || "vim";
await s.runA`${editor} ${paths.config}`.pipe(process.stdout);
break;
default:
echo(`Unknown mode: '${mode}'. See '--help' for details.`);
}
$.exit(0);
})
.command("edit <repository>", "Edit “package” information")
.alias("add")
.action(async function(repository){
if(!repository || !repository.includes("/"))
$.error(`Invalid repository: '${repository}'. Repository must be in the form '<owner>/<repo>'.`);
const config= /** @type {Config} */ ( readConfig() );
const i= config.packages.findIndex(r=> r.repository===repository);
echo(repository + `${i==-1 ? "New" : "Edit"} package:`);
echo(`Use <tab> to autocomplete${i===-1 ? "" : " and empty to keep current value"}.`);
echo("");
const pkg= config.packages[i] || { repository, group: "" };
const groups= [ ...new Set(config.packages.map(r=> r.group)) ];
const q= (question, initial, ...c)=> {
const completions= [ ...new Set([initial, ...c.flat()]) ].filter(Boolean);
if(initial) question+= ` (current \`${initial}\`)`;
question= echo.format("%c"+question, css.pkg);
return s.read({ "-p": question+": ", completions }).then(pipe(
value=> value || initial,
value=> value ? value : $.error(`Missing '${question}'.`)
));
};
try{
const name= await q("Name", pkg.name);
echo("(i) use `skip` as part of the group to skip it during checking/updating (“just register package”).");
const group= await q("Group", pkg.group, groups);
const { description: description_remote }= await fetch(urls_api[url_api]+repository).then(r=> r.json()).catch(_=> ({}));
const description= await q("Description", pkg.description, description_remote);
const file_name= await q("File name", pkg.file_name, repository.split("/"));
const downloads= config.target+file_name;
const exec= await q("Is executable", pkg.exec, [ "yes", "no" ]);
echo("(i) The glare is used to determine the right file to download. It is regular expression.");
const glare= await q("Glare", pkg.glare);
const pkg_edit= Object.assign({}, pkg,
{ repository, name, description, group, file_name, exec, downloads, glare });
config.packages[i===-1 ? config.packages.length : i]= pkg_edit;
s.echo(JSON.stringify(config, null, "\t")).to(paths.config);
echo(`%cSaved into config file '${paths.config}'.`, css.ok);
$.exit(0);
} catch(e){
if(e instanceof $.Error) echo("%c"+e, css.err);
else echo();
$.exit(1);
}
})
.command("ls", [ "Lists registered packages",
"Repositories marked with `-` signifies that the package is in the 'skip' group.",
"These are registered by this script but not managed by it (updates, etc).",
"Repositories marked with `+` signify that updates of the package are checked."
])
.action(function(filter){
const config = readConfig();
for(const { repository, version, description, group } of grepPackages(config, filter))
if(group && !group.includes("skip"))
echo(`+ %c${repository}%c@${version ? version : "—"}: %c${description}`, css.pkg, css.unset, css.skip);
else
echo(`- %c${repository}: ${description}`, css.skip);
$.exit(0);
})
.command("check", "Shows/checks updates for registered packages")
.option("--cache", "Use cache [yes, no]", "yes")
.action(async function({ cache, ...filter }){
const config = readConfig();
const results= await check(grepPackages(config, filter), cache);
for(const { status, value } of results)
echoPkgStatus(status, value);
if(!results.length) echo("Nothing to do.");
$.exit(0);
})
.command("update", "Updates registered packages")
.action(async function(filter){
if(s.test("-f", paths.lock))
return $.error(`The lock file '${paths.lock}' already exists! Check if some other instance is running.`);
s.touch(paths.lock);
const config = readConfig();
const results= await check(grepPackages(config, filter));
let done= 0;
let todo= [];
echo("Collecting packages to update…");
for(const { status, value } of results){
if(status!==3 || (value.local.group || "skip").includes("skip")) continue;
echo("%c"+value.local.repository, css.pkg);
todo.push(download(
value,
()=> done+= 1,
config.target
));
}
const { length }= todo;
if(!length){
echo("%cAll up-to-date!%c Nothing to do.", css.ok);
} else {
const id= setInterval(()=>
echo.use("-R", `%cUpdating packages (${done}/${length})`, css.spin), 500);
const updates= await Promise.allSettled(todo);
clearInterval(id);
echo("Updating packages completed:");
for (const { status, value, reason } of updates) {
if(status==="rejected"){
echo("%c✗ TBD reason.local.repository: %c"+reason.err, css.err);
continue;
}
const { local, remote }= value;
echo("%c✓ "+local.repository+"%c@"+remote.tag_name, css.ok, css.skip);
}
s.echo(JSON.stringify(config, null, "\t")).to(paths.config);
}
s.rm(paths.lock);
$.exit(0);
})
.parse();
import { createWriteStream } from "node:fs";
async function download(value, onprogress, target){
const { repository, glare }= value.local;
const { tag_name }= value.remote;
if(!glare) return Promise.reject({ err: "Missing 'glare' in config.", ...value });
const response= await fetch(url_download+repository+`@${tag_name}/${glare}`);
const buffer= Buffer.from(await response.arrayBuffer());
const downloads= target+value.local.file_name;
const ws= createWriteStream(downloads, { flags: "w" });
ws.write(buffer);
Object.assign(value.local, {
last_update: value.remote.published_at,
version: value.remote.tag_name,
downloads
});
if(value.local.exec==="yes")
s.chmod("+x", downloads);
onprogress();
return value;
}
function grepPackages({ packages }, { group, repository, api, verbose }){
if(api && api!==url_api && urls_api.hasOwnProperty(api))
url_api= api;
if(verbose)
echo(`Using API: ${url_api} (${urls_api[url_api]})`);
const f= {};
let is_filter= false;
if(group){ is_filter= true; f.group= group; }
if(repository){ is_filter= true; f.repository= repository; }
if(verbose)
echo("Filter:", f);
if(!is_filter) return packages;
return packages.filter(r=> Object.keys(f).every(k=> r[k]===f[k]));
}
function echoPkgStatus(status, { local, remote }){
let status_css, status_text;
if(local.group && local.group.includes("skip")){
status_text= "skipped";
status_css= "skip";
} else {
status_text= status===3 ? "outdated" : "up-to-date";
status_css= status===3 ? "err" : "ok";
}
echo((status_text==="outdated" ? "+" : "-") + " %c"+local.repository + "%c: %c"+status_text+"%c (%c"+remote.tag_name+"%c)",
css.pkg, css.unset, css[status_css], css.unset, css.skip, css.unset);
}
/**
* @param {Config.packages} packages
* @return {Promise<{ status: 0|1|2|3, value: { remote: GitHubRelease, local: ConfigPackage } }>}
* */
async function check(packages, cache){
return (await pipe(
ps=> ps.map(p=> fetchRelease(p, cache).then(remote=> ({ local: p, remote }))),
ps=> Promise.allSettled(ps)
)(packages))
.map(({ status, ...v })=> status==="rejected" ?
{ status: -1, value: v } :
{ status: packageStatus(v.value.local, v.value.remote), value: v.value })
.filter(({ status, value })=> {
if(status!==-1) return true;
echo("%c"+value.reason, css.err);
});
}
/** @type {(local: ConfigPackage, remote: GitHubRelease)=> 0|1|2|3} */
function packageStatus({ last_update: local }, { published_at: remote }){
if(!remote) return 0;
if(!local) return 3;
if(remote===local) return 1;
return 2+(local<remote);
}
/** @param {ConfigPackage} package */
async function fetchRelease({ repository, tag_name_regex }, cache){
const headers= { 'User-Agent': 'node' };
if(cache==="no") headers['Cache-Control'] = 'no-cache';
const url= urls_api[url_api]+repository+"/releases";
const releases= await fetch(url, { headers }).then(res=> res.json());
if(releases.message) return $.error(url+": "+releases.message);
if(url.includes("github.com"))
return releases.find(function ({ draft, published_at, tag_name }){
if(draft||!published_at) return false;
if(!tag_name_regex) return true;
return (new RegExp(tag_name_regex, 'g')).test(tag_name);
});
const { draft, publishedAt, tag }= releases.releases.find(function ({ draft, publishedAt, tag }){
if(draft||!publishedAt) return false;
if(!tag_name_regex) return true;
return (new RegExp(tag_name_regex, 'g')).test(tag);
});
return { draft, published_at: publishedAt, tag_name: tag };
}
function readConfig(){
if(!s.test("-f", paths.config)) return { packages: [] };
const out= Object.assign({ target: "~/bin/" },
s.cat(paths.config).xargs(JSON.parse));
if(out.target.startsWith("~/")) out.target= $.xdg.home(out.target.slice(2));
return out;
}