GitHub Copilot Instructions for igraph/rigraph • igraph

Note: For general development guidelines, code style conventions, and AI agent instructions, see AGENTS.md in the repository root.

Project Overview

igraph/rigraph is an R package for network analysis and graph theory with a C/C++ backend.

Common Commands for Copilot Chat

Load for development: pkgload::load_all()
Run tests: testthat::test_local(reporter = "check")
Run tests for a single file: testthat::test_local(filter = "foo", reporter = "check")
Format code: air format .
Update documentation: devtools::document()
Build package: devtools::build()
Check package: devtools::check()

Key Conventions

Use snake_case for functions and arguments
Follow tidyverse style guide
Use roxygen2 with Markdown for documentation
Run air format . before committing
Add tests for all new functionality
Use explicit package prefixes (e.g., withr::local_db_connection())

Important Files

Do not modify directly: src/rinterface.c, R/aaa-auto.R (generated by Stimulus)
Update generated files: make -f Makefile-cigraph src/rinterface.c R/aaa-auto.R
See tools/README.md for Stimulus framework guidelines

Refer to AGENTS.md for complete instructions.