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a extremely customizable Rust library for CLI apps by Evrone

update-informer is a library created primarily for CLI instruments which might be written in Rust — comparable to dotenv-linter, datanymizer. It checks for brand spanking new variations which were launched and sends notifications when an replace is discovered. update-informer was developed by an open-source fanatic Mikhail Grachev.

CLI stands for Command Line Interface — a command-line program that reads the instructions you enter and performs the requested motion. Generally, any program that can be utilized by means of terminal instructions falls into this class.


How does it work?

update-informer permits you to routinely examine for brand spanking new variations on sources like and GitHub. is the Rust neighborhood’s crate registry, the primary useful resource the place all initiatives, libraries, and many others. are saved.

Once you add the update-informer library in your CLI software, which runs within the console, it periodically (for instance, as soon as a day) checks to see if a brand new model has been launched. If one is out, then update-informer sends a message to the console like, “A brand new launch is on the market, replace with this hyperlink.”

There are a selection of initiatives with related instruments. For instance, GitHub CLI can deliver GitHub to your terminal. Its performance comes out of the field, and you may work with points, pull requests, checks, releases, and extra. There’s additionally a library like this in Javascript, which could be very well-liked.

Rust had the same library, nevertheless it hadn’t been maintained for fairly a very long time, it didn’t have GitHub assist, and we weren’t fairly happy with the way it labored. It couldn’t be personalized or modified. So we developed a extra common answer for Rust neighborhood that may be personalized in each potential approach.

update-informer generates a notification within the code throughout program begin (within the logs). One of many key options of this instrument that units it other than others is GitHub assist, along with It additionally affords the flexibility to configure the frequency of checks (you possibly can specify any size of time, even checking each single second) and has the minimal variety of dependencies — solely ureq, semver and serde. This is essential, since third-party options fairly often deliver loads of dependencies, leading to code base will increase, compilation time will increase, and many others.

The end result seems to be like this:



Add update-informer to Cargo.toml:

update-informer = "0.2.0"

To examine for a brand new model on, use the UpdateInformer::check_version operate. This operate takes the challenge identify and present model in addition to examine interval:

use update_informer::{registry::Crates, Verify, UpdateInformer};

let informer = UpdateInformer::new(Crates, "repo", "0.1.0", Length::from_secs(60 * 60 * 24));
if let Okay(Some(model)) = informer.check_version() {
    println!("New model is on the market: {}", model);

Additionally, you possibly can take the identify and model of the challenge from Cargo utilizing setting variables:

use update_informer::{registry::Crates, Verify, UpdateInformer};

let identify = env!("CARGO_PKG_NAME");
let model = env!("CARGO_PKG_VERSION");
UpdateInformer::new(Crates, identify, model, Length::from_secs(60 * 60 * 24)).check_version();

Notice that the primary examine will begin solely after the interval has expired:

use update_informer::{registry::Crates, Verify, UpdateInformer};

const EVERY_HOUR: Length = Length::from_secs(60 * 60);

let informer = UpdateInformer::new(Crates, "repo", "0.1.0", EVERY_HOUR);
informer.check_version(); // The examine will begin solely after an hour

To examine for a brand new model on GitHub (be aware that the challenge identify should include the proprietor):

use update_informer::{registry::GitHub, Verify, UpdateInformer};

let informer = UpdateInformer::new(GitHub, "proprietor/repo", "0.1.0", Length::from_secs(60 * 60 * 24));

Plans for the long run

In the meanwhile, the v0.2.0 model of the update-informer has been launched. If there may be curiosity from the neighborhood or requests for enhancements, then after all we are going to work on bettering this instrument and increasing the performance. Sooner or later, we plan to assist all well-liked hosts, comparable to GitLab and Bitbucket, in addition to add assist for varied HTTP purchasers to cut back dependencies. Verify the challenge’s GitHub and ship us pull requests!

Our work on open-source initiatives — and the truth that each month we select a number of OSS initiatives to sponsor — reveals our initiative and understanding of what builders love and want. Attain out to us through the shape under if it is advisable replace your challenge to the most recent variations of the know-how stack!



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