Sourcegraph blog

This article explores what it would take to write an LSIF indexer. Along the way, we will learn a little bit about parsing, walking abstract syntax trees, scopes and the LSIF file format.LSIF (Language Server Index Format) is a data format that captures code intelligence facilitating code navigation… Read more

Sourcegraph is the standard developer platform for code search and navigation at many of the largest and most advanced technology companies. With Sourcegraph, every company has access to the same kind of tools that Google and Facebook developers use every day.We're excited to announce Sourcegraph… Read more

Since the last code intelligence update, we have shifted our efforts away from improving language servers. We found that language servers were hard to develop due to the number of build and dependency systems per language, hard to deploy and connect to a Sourcegraph instance, and hard to make fast… Read more

Sourcegraph is proud to be hosting the first ever liveblog for Strange Loop 2019, and we're looking for attendees to help contribute. Read more

Founded in 2006, Quantcast's engineering team had amassed thousands of repositories. Learn how after deploying Sourcegraph, Quantcast was able to do major refactors with confidence. Read more

Sourcegraph is the standard developer platform for code search and navigation at many of the largest and most exacting technology companies. With Sourcegraph, every company has access to the same kind of tools that Google and Facebook developers use every day.🏎 Symbol search performant at scale… Read more

For the third year, Sourcegraph is proud to host the official liveblog for GopherCon and we're looking for attendees who want to contribute. Is that you? Read more

Sourcegraph is the standard developer platform for code search and navigation at many of the largest and most exacting technology companies. With Sourcegraph, every company has access to the same kind of tools that Google and Facebook developers use every day.🌎 Native code intelligence with… Read more

Thorn builds technology to defend children from sexual abuse, helping law enforcement reduce investigation times by 60%, ensuring that more children are found, faster. Sourcegraph is helping Thorn with their mission, by making it safer to deprecate legacy applications—searching all repositories i... Read more

Sourcegraph is the standard developer platform for code search and navigation at many of the largest and most exacting technology companies. With Sourcegraph, every company has access to the same kind of tools that Google and Facebook developers use every day.⏎ Multi-line search with newline… Read more

Sourcegraph is the standard developer platform for code search and navigation at many of the largest and most exacting technology companies. With Sourcegraph, every company can get access to the same kind of tools that Google and Facebook developers use every day.We're excited to announce… Read more

In this post, we'll explain how Sourcegraph code search can be used to report on the progress of upgrading CircleCI config files to the 2.0 format.CircleCI 2.0 officially came out of beta in July 2017, introducing a versioned config file () to replace the previous file. A likely scenario could be… Read more

We're excited to announce Sourcegraph 3.3. Sourcegraph is a code search and navigation tool (self-hosted, open-source, and cross-repository). Read on for the details, and thanks to our customers and community for reporting issues and providing feedback. You’re helping to make each Sourcegraph… Read more

Tooling has always been a focus for TypeScript and a large reason for its success. TypeScript code intelligence is available across many editors and even web-based tools, all provided by the same service TypeScript ships out-of-the-box with the compiler itself.This presentation gives a tour and… Read more

Sourcegraph is an open-source, self-hosted, cross-repository code search and navigation tool, with an efficient web interface and "feels-like-native" integration into your code host. Install or upgrade Sourcegraph.Developing Sourcegraph in the open with a public product roadmap, and having a product… Read more

Today, DigitalOcean released their new Marketplace, a platform for partners such as Sourcegraph to provide trusted, pre-configured Droplets that install in one-click and are ready in 60 seconds or less.What is Sourcegraph? Sourcegraph is a code search and intelligence tool for developers. It lets… Read more

Sourcegraph 3.1 is now out! This release includes stability and documentation improvements, plus an easy query builder for searching your code (with useful query examples). Also, mark your calendars: our new fixed release schedule means you get a new Sourcegraph release on the 20th of each month… Read more

Sourcegraph 3.0 is now shipping! This release comes with HUGE improvements so you can search and navigate all your organization's code more quickly, with code intelligence (go-to-definition and find-references) for all languages.What is Sourcegraph? Sourcegraph is an open-source, self-hosted, cross… Read more

Update: Sourcegraph 3.0 is now released. Beta instances should update now. We've removed the 3.0 beta announcement text here to avoid confusion, but you can view the original 3.0 beta announcement if needed. Read more

Improving language support in 2019 Read more

New GraphQL Sourcegraph extension Read more

Code intelligence for Java and PHP (and other experimental languages) will be temporarily unavailable for public code on Sourcegraph.com starting Friday, November 30, as we transition to a new, more extensible way of adding language support using Sourcegraph extensions.Only public code on… Read more

Source: https://xkcd.com/1205/XKCD can teach us a lot about how the world works. The chart above — known as a sensitivity analysis in accounting and finance (or a in Microsoft Excel) — clearly illustrates how changes to independent variables or input assumptions can impact a final outcome.Simply… Read more

Announcing Sourcegraph 2.13Sourcegraph 2.13 ships today, with several improvements:Indexed search option for single-node Docker container deployment to speed up searches (previously Enterprise-only, now free and open-source)More ways to specify which GitHub and GitHub Enterprise repositories to… Read more

Our CEO @sqs (Quinn Slack) was on the Future of Coding podcast this week to talk about basic developer human rights, the Sourcegraph master plan, and the future of developer tools.As a developer, you have these questions you need answered: How do I do this thing in the code? Why is it built this way… Read more

We are building the best code search and browsing tool for your team to help you write, review, and ship code better. Our mission is to bring the future sooner by bringing the best tools to developers everywhere.Our announcement this month that Sourcegraph is now open source is one way we will get… Read more

Do you use Vim and miss the powerful features for navigating your code that Sourcegraph gives you in your browser?Code intelligence in Sourcegraph is powered by language servers that implement the Language Server Protocol. This means you can install these language servers locally and get code… Read more

End-to-end tests are an important part of our testing infrastructure at Sourcegraph. At the top of the testing pyramid, their job is to ensure key user flows work properly from the user interacting with the browser all the way to backend services that work behind the scenes. However, they pose a… Read more

Our mission is to build the best code search and browsing tool for your team to help you write the highest quality software possible.Here’s new, what’s changed, and what’s fixed.Simplified browser extension configurationDeploy Sourcegraph to Kubernetes with plain YAMLWebhooks for manual repository… Read more

Minimal version selection is an idea that Russ Cox proposed for how to resolve the dependencies of Go modules. When installing or updating dependencies, minimal version selection always selects the minimal (oldest) module version that satisfies the overall requirements of a build.Minimal version… Read more

Today was my first day back to work at Sourcegraph after my 3 1/2 months* long maternity leave. I consider myself lucky to be working at a company that is family friendly and has made my journey to parenthood much easier than expected. I decided to share some of the points I believe Sourcegraph and… Read more

We are Sourcegraph, known to our Developers as "a great source code browsing/discovery tool, especially for large codebase like k8s", and "like Google's internal code search but for rest of us". We help developers write better software by giving them IDE like features in code hosts such as GitHub… Read more

Docker announced that the Docker Hub and Docker Store (backed by the same Docker Registry) will be down (totally offline) from 11:00 Pacific Time 25 August with 15-45 minutes (expected) downtime.You may be thinking “I use Kubernetes, doesn't this only affect people executing ? Well yes, but that is… Read more

Sourcegraph's browser extensions for Chrome and Firefox are now open source in sourcegraph/sourcegraph. These popular browser extensions add code intelligence (hovers, go to definition, find references, find implementations, and soon much more) to every website where you read code — including GitHub… Read more

One of my favorite things about Sourcegraph is the fact that we are a team of developers building a product for developers. This means that everyone on the team has product intuition and can participate in planning what we are going to work on for our next release. Normally we spend time reviewing… Read more

We're working hard to build the best code search and browsing tool for your team, so you can write, review, and ship code better. In this month's release, we focused on improving the user experience and repository syncing for Sourcegraph's integrations with GitHub, GitHub Enterprise, Bitbucket… Read more

In Sourcegraph 2.9, we focused on improving the code search, rollout, and deployment experience for organizations with 100s and 1,000s of developers and repositories.We're building Sourcegraph to be the best way for developers to search and browse code, and we're thankful for all the feedback… Read more

At Sourcegraph, we’re building not only a great product for engineers, but also a great, inclusive company for engineers to be a part of. Over the last few months, we’ve been experimenting with our hiring process and wanted to share our experience so far.(Our last experiment was putting open roles… Read more

Update: Sourcegraph now uses Sourcegraph extensions for language support. This blog post has been removed to avoid confusion.We're still eager to sponsor people to build and improve open-source, LSP-based language servers. Contact us if you're interested, either as a part-time effort or to join our… Read more

Sourcegraph 2.8 is out today, with support for more languages, huge monorepos, and more!Sourcegraph is a code search and intelligence tool that helps your team code more productively. With Sourcegraph, developers can find code examples, view references/callers, locate definitions, etc., across all… Read more

Having worked at GitHub and spent more time than is probably warranted tweaking my dotfiles, I consider myself a developer tools enthusiast. Recently, I found myself spending more and more of my free time smoothing out my development process, including hacking on auto-import for Haskell in VS Code… Read more

Sourcegraph 2.7 ships today, with tons of new features and improvements to help your team build better software. Get code intelligence in seconds with no setup, view diffs with code intelligence directly in Sourcegraph, and get more information when finding references. This release comes with many… Read more

Our product, Sourcegraph, lets software teams search and explore their code, so naturally we think a lot about how to help software teams ship better software faster. As we've grown, we've learned a lot from GitHub, Visual Studio Code, GitLab, and other teams who have shared their internal processes… Read more

Sourcegraph + BitbucketToday, we're bringing fast, powerful code search to the thousands of development teams on Bitbucket Server. With Sourcegraph 2.6, we've built out native support for Bitbucket Server to make it easier to get code search across all your Bitbucket Server repositories.Follow these… Read more

We’re excited to announce Sourcegraph 2.6, with tons of new features and improvements to help your team build better software. Search for and jump directly to symbols, search for the code you need more quickly, and set up Sourcegraph to search across all of your code--all available now. This release… Read more

In Go, it is idiomatic to have explicit error handling. This means that many functions return an in addition to the expected result (e.g. strconv.ParseBool).Go code can also panic and recover, which is similar to throwing and catching exceptions in other languages. In Go, panic should be reserved… Read more

Monitor code changes with Google Alerts-style notifications, get code intelligence in reviews/PRs, and search over thousands of repositories in hundreds of milliseconds—all with Sourcegraph 2.5, shipping today. This release also includes other highly requested features, such as native GitLab support… Read more

Sourcegraph 2.4 is here. It is now free for unlimited users and repositories, can be installed in minutes with a single command, and is easily configurable in the new web-based site admin. This release also includes many performance and bug fixes, plus a better interface for monitoring search… Read more

Search code over all of your company's repositories, save and reuse common search queries and scopes, and do it all more quickly with style. This release also includes previews of diff/commit search and author/date filters, which help you debug issues and find usage examples in your company’s code… Read more

Install Sourcegraph to get great code search on AWS CodeCommitSourcegraph brings great code search and understanding abilities to development teams using AWS CodeCommit. Code search helps your engineering team find usage examples, debug errors, reuse existing libraries and packages, and understand… Read more

This is inspired by the classic essay Good Product Manager/Bad Product Manager.Great code search is so fast and relevant that you use it constantly while coding. It’s one of your top keybindings. Bad code search is slow and stale, and you only find it useful a few times per week. If you haven’t used… Read more

We've been hard at work on improvements to Sourcegraph to give you great code search on your company's code. Here's what's new and improved:Code search:There is now a directory listing view with the last Git commit for each subdirectory and file.Query terms are now interpreted as regexps, not… Read more

Today, we're releasing more powerful code search on Sourcegraph.com and Sourcegraph. You can use operators such as repo: and file: to restrict your search to certain repositories and files (by regular expression match on their name).For example, repo:foo will restrict your query to repositories… Read more

Update: This blog post has been edited to remove references to outdated features.We’ve been hard at work on some major improvements to how you search, browse, and review code. Today we’re excited to announce several big new features.Introducing SourcegraphAlready used by many of our customers and… Read more

At Sourcegraph, we think you deserve code intelligence whenever you’re looking at code. So, when GitHub introduced embedded code snippets for GitHub issues, we quickly updated the Sourcegraph Chrome extension to add code intelligence to these snippets.Code intelligence on embedded code snippets lets… Read more

We’ve added a file tree to GitHub so that you can quickly explore an entire repository and jump between files without taking your hands off the keyboard.FileTreeGet started by downloading the Sourcegraph for GitHub Chrome extensionAnd then jump into a repository https://github.com/hootsuite/atlantis… Read more

Faster, smoother GitHub code browsing with the updated Sourcegraph Chrome extension.We’re excited to announce more improvements to the Sourcegraph Chrome extension. More than 10,000 developers use it to browse and search code on GitHub with the power of an IDE.In addition to the new features… Read more

Pick your favorite Java repository and a revision and file at random (or try this one). Visit that file in Sourcegraph and within seconds, you can jump to definition (Ctrl/⌘-click), find all references (right click), search for symbols (Ctrl/⌘-p), and view usage examples drawn from other projects… Read more

Today, we announce general availability for Java on Sourcegraph. If you write Java, this means that you can now use Sourcegraph to:Explore code without losing your place in your editorGet IDE-like functionality to your code review toolLearn from usage examples drawn from across the open-source… Read more

Update (September 20, 2017): Viewing a list of repositories that refer to another repository is currently disabled. It will be added back soon. Viewing function call sites across repositories is still supported.We’re excited to announce that Sourcegraph “used by” badges now support Java libraries… Read more

In-repository code search is now available in Sourcegraph. Simply click the magnifying glass icon above the file tree, type your search term, and click enter. Once you select a result, you’ll get full code intelligence, including our info panel whenever you click a method, variable or struct.In… Read more

Matt Holt is the creator of the popular Caddy Web Server.Caddy is called what it is because it acts like a compartment for all your server things. Most people use its HTTP server, but Caddy can also serve DNS, and there are a number of other plugins that extend Caddy’s functionality.1*dxC5SLwJzx… Read more

Today, we’re enabling Code Intelligence on Sourcegraph.com for Java projects that use Maven. Our preview release of Java means you can jump to definition, find references, and hover over for docs on many of your favorite Java repositories — all without configuring a single editor plugin or cloning a… Read more

The problem of Code Intelligence and the need for an open standardUpdate: Part 2 of this series is now published.Sourcegraph lets you view any line of code in your web browser with all the navigation features of an IDE and more. That includes both classic abilities — like jump-to-definition, find… Read more

Making Code Intelligence “just work”In my last post, I introduced the Language Server Protocol as the open-source protocol that we at Sourcegraph believe will enable a new set of developer tools powered by Code Intelligence. Code Intelligence, if you recall, is just shorthand forjump-to-deffind… Read more

Update (September 20, 2017): Viewing a list of repositories that refer to another repository is currently disabled. It will be added back soon. Viewing function call sites across repositories is still supported.As an open-source author, I love seeing who else uses my projects. It’s super motivating… Read more

First, some background: Beyang and I have deep respect for how Google builds software. Beyang interned there, and I've worked with Googlers on many open-source projects, including Chromium. What’s their secret? How are they so good?Ask any Google developer, and they’ll give much of the credit to… Read more

I have been fortunate in my career to work with some amazing founders and CEOs. Lloyd Tabb, Ben Porterfield, and Frank Bien at Looker are building the data platform that I have been craving since I started working in technology. Nat Friedman and Miguel de Icaza at Xamarin brought mobile development… Read more

(Note: if you want to skip the poetry and just check out the project, click here)Begin code review. Too many lines, what to do? Hmm. LGTM?Code review is tedious.there's a better way to review fast but ensure good code quality:One-click jump-to-def and hover over for docs. Save time and focus:Find… Read more

What’s the best semantic and future-proof way to link to a piece of code? There's been some interesting discussion about the right way, and it’s something we think about a lot at Sourcegraph as we build a better way for developers to discover and understand code.The consensus is that when you’re… Read more

Today, we’re announcing a new edition of Sourcegraph that makes it even faster and easier to answer your everyday programming questions. If you code in Go, check it out now. If you use another language, sign up for the beta — we’ll have news for you in the next couple of weeks!If you’re new to… Read more

Hi, we’re Sourcegraph, the code search engine for Go and Java that lets you jump to def and find refs across all your code on GitHub. You may remember us from such developer conference liveblogs as Gophercon, FOSDEM, and dotGo.This year, we’re excited to announce we’re liveblogging GitHub Universe!… Read more

Ian Lee of Lawrence Livermore National Laboratory talks about how LLNL is using, producing, and encouraging open source in government (slides here).Open source software and national security — two topics you don’t hear together too often. But there's a lot of work in government agencies being done… Read more

Engineering leaders from Bloomberg, Walmart Labs, Line, HP, IBM, and GitHub talk about open source inside enterprise (or “inner source”). We paraphrase the key points here.1*OIAqPdJH9 SsxxfzTDu0SA“InnerSource” is a new term for something that programmers have been doing for a long time. It’s about… Read more

Lynn Langit, Cloud & Data Architect Director of Teaching Kids Programming (slides)1*3eFc2KNwHBjrHFpD vjbhAShe tells the story of Matt, a fifth grade history teacher who wrote some bacon-related code in SwiftLynn’s daughter has been coding since age 8 and taught Matt how to code.Matt now teaches Java… Read more

A concise recap of a “fireside chat” with Bret Taylor, co-creator of Google Maps, CTO of Friend Feed, CEO and co-founder of Quip.1*v90JbRraqWznmWkkDKmLzgQ: First computer? A: Compact Portable, about the size of a suitcase. The lid flipped out of the keyboard. Had one game, which took up all disk… Read more

The federal government has embraced open source software.Earlier this year, they released the Federal Source Code Policy. When they released it back in March, they received some of the highest number of comments in history, thanks to GitHub. They received around 2,000 public comments.1*J2Mnd… Read more

GitHub’s invention — wasn’t invented invented in a vacuum. An evolution of great ideas from the past (like Henry Ford, Isaac Newton, etc.)GitHub didn't invent the pull request.So what was the “big idea” for GitHub? It boils down to tools and people. Our key insight was that “developers are people… Read more

About a month ago, Sourcegraph released Checkup, an open-source, self-hosted uptime monitoring system written by Matt Holt.Following its release, a lot of people asked us how we were using Checkup at Sourcegraph. Today, we’re sharing our public status page, powered by Checkup, and laying out some of… Read more

At Sourcegraph, we believe building for the future requires learning the lessons of the past. This is the first in a series of blog posts that cover historical anecdotes about software engineering that have inspired us as we build tools for the modern developer. We’re sharing these, because we think… Read more

It’s like a CPU profiler, but for your productivity rather than your machine’sDo you ever think about how to make yourself a more productive programmer? At Sourcegraph, this is a question we think about every day. Our entire mission is to make your life as a developer easier and more efficient.Thyme… Read more

Andrey Petrov (@shazow) spoke at the Sourcegraph office about lessons learned from his successes and “many failures” (his phrase) creating open-source projects. Andrey is author of the popular urllib3 library (explore urllib3 on Sourcegraph) and several other popular open-source libraries. During… Read more

From the very beginning at Sourcegraph, it’s been our goal to build a product so helpful that people could never go back to programming the old way. Sourcegraph helps developers discover and understand code, and to address such a complex need requires us to deeply understand our users.We’d like to… Read more

Juan Benet (@juanbenet) spoke at the Sourcegraph Hacker Meetup about his project, “IPFS: The Permanent Web” (slides and video). IPFS is a bold attempt at evolving the Internet’s infrastructure. Here’s how Juan describes it to Sourcegraph:IPFS is a global, versioned, peer-to-peer file system. It… Read more

Wouldn't it be awesome if you could review, browse, and search code on GitHub as though you were in an IDE, with jump-to-definition, doc tooltips, and cross-references? We think so. That’s why we built the Sourcegraph Chrome extension for GitHub.Update (June 22, 2016): Added support for pull… Read more

Innovation fellow of the U.S. Digital Service, a.k.a. the “president’s startup.”His time as innovation fellow started in 2014, right around the time the conversation around law enforcement and Ferguson was coming to a tipping point. Big demand for better data around policing, especially with officer… Read more

Use Sourcegraph to discover and understand code betterThere's a gold mine of code available to programmers, but choosing the right library and understanding how to use it can be tricky. We created Sourcegraph, a fast, semantic code search and cross-reference engine, to help developers like you… Read more

Building software is hard. We hosted a casual dinner here at the Sourcegraph office in downtown San Francisco for ten developers from leading startup software teams. At the dinner, the teams shared a behind-the-scenes look at their processes (and frustrations): testing, deployment, and code reviews… Read more

We invited ten developers from leading tech startups around the Bay Area to join us for an “off-the-record” dinner to discuss the practice of code review (and what we want in an ideal code review process). Below is a wrap-up of the salient points from our dinner. Given the off-the-record nature of… Read more

Today we’re excited to announce a step toward giving every team the power to build better software — the developer release of Sourcegraph, the fast, semantic code search and cross-reference engine.As developers, we always wanted a better way to discover and understand code:Why can’t your code host… Read more

There are many benefits to contributing to a popular open-source project like Docker:You earn recognition for improving a project used by many people.You get to collaborate with other amazingly smart people in the open-source community.You become a better programmer yourself through the process of… Read more

Every developer knows they should instrument their app to identify perf bottlenecks, but it’s hard to actually get around to doing it — especially when you’re focused on shipping the latest and greatest features of your site.0*jXkIPsoJBjXY80csToday we’re announcing Appdash, an open-source multi… Read more

This was originally a talk at Google I/O 2014. Check out the slides and YouTube video. Thanks to the Go team for inviting us!What is Sourcegraph?Sourcegraph is a large-scale, multi-language code search and cross-reference engine that indexes hundreds of thousands of open-source repositories… Read more

Can a policy that banks use to combat insider fraud also make tech companies produce better products and happier employees? Sure. At Sourcegraph, our mandatory vacation policy requires everyone to completely disconnect from work for at least 2 weeks each year — no exceptions.0*oDIH90jQ4ZzUANWMPhoto… Read more

Do you use the best tools money can buy? We ask ourselves that a lot at Sourcegraph. It’s one of the questions in The Joel Test, Joel Spolsky’s classic 12-question benchmark of your team’s software engineering practices.Since he published the test in 2000, the “best tools money can buy” have… Read more