{"id":43913672,"url":"https://github.com/lu-zero/portage-atom","last_synced_at":"2026-03-14T10:06:19.302Z","repository":{"id":336919774,"uuid":"1151674523","full_name":"lu-zero/portage-atom","owner":"lu-zero","description":"Gentoo portage Atoms parser","archived":false,"fork":false,"pushed_at":"2026-02-06T19:52:36.000Z","size":21,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"master","last_synced_at":"2026-02-07T05:29:57.507Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Rust","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/lu-zero.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE-MIT","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":"AGENTS.md","dco":null,"cla":null}},"created_at":"2026-02-06T18:58:04.000Z","updated_at":"2026-02-06T19:37:47.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/lu-zero/portage-atom","commit_stats":null,"previous_names":["lu-zero/portage-atom","lu-zero/portage-atoms"],"tags_count":1,"template":false,"template_full_name":null,"purl":"pkg:github/lu-zero/portage-atom","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lu-zero%2Fportage-atom","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lu-zero%2Fportage-atom/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lu-zero%2Fportage-atom/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lu-zero%2Fportage-atom/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/lu-zero","download_url":"https://codeload.github.com/lu-zero/portage-atom/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lu-zero%2Fportage-atom/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29381048,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-12T20:34:40.886Z","status":"ssl_error","status_checked_at":"2026-02-12T20:23:00.490Z","response_time":55,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2026-02-06T21:04:46.725Z","updated_at":"2026-02-12T22:11:29.758Z","avatar_url":"https://github.com/lu-zero.png","language":"Rust","funding_links":[],"categories":[],"sub_categories":[],"readme":"# portage-atom\n\n[![LICENSE](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE-MIT)\n[![Build Status](https://github.com/lu-zero/portage-atom/workflows/CI/badge.svg)](https://github.com/lu-zero/portage-atom/actions?query=workflow:CI)\n[![codecov](https://codecov.io/gh/lu-zero/portage-atom/graph/badge.svg)](https://codecov.io/gh/lu-zero/portage-atom)\n[![Crates.io](https://img.shields.io/crates/v/portage-atom.svg)](https://crates.io/crates/portage-atom)\n[![dependency status](https://deps.rs/repo/github/lu-zero/portage-atom/status.svg)](https://deps.rs/repo/github/lu-zero/portage-atom)\n[![docs.rs](https://docs.rs/portage-atom/badge.svg)](https://docs.rs/portage-atom)\n\nA Rust library for parsing Portage package atoms, based on the [Package Manager Specification (PMS) 9](https://projects.gentoo.org/pms/9/pms.html).\n\n\u003e **Warning**: This codebase was largely AI-generated (slop-coded) and has not\n\u003e yet been thoroughly audited. It may contain bugs, incomplete PMS coverage, or\n\u003e surprising edge-case behaviour. Use at your own risk and please report issues.\n\n## Overview\n\n`portage-atom` provides types and parsing for Gentoo/Portage package atoms\nusing the [winnow](https://crates.io/crates/winnow) parser combinator\nlibrary.\n\n## Features\n\n- Parses atoms according to PMS (versions, slots, USE deps, blockers, repos)\n- PMS version ordering (Algorithm 3.1)\n- winnow 0.7 parser combinators\n\n## What is a Portage Atom?\n\nA Portage atom is a string that specifies a package or set of packages in Gentoo/Portage package managers. The full syntax:\n\n```\n[!|!!][\u003c|\u003c=|=|~|\u003e=|\u003e]\u003ccategory\u003e/\u003cpackage\u003e[-\u003cversion\u003e][:slot][::repository][use-deps]\n```\n\n### Examples\n\n```\ndev-lang/rust                          # Simple unversioned atom\n\u003e=dev-lang/rust-1.75.0                 # Version constraint\ndev-lang/rust:0/1.75                   # With slot/subslot\ndev-lang/rust[llvm_targets_AMDGPU]     # With USE flag\n!dev-lang/rust                         # Weak blocker\n=dev-lang/rust-1.75.0*                 # Glob version match\n~dev-lang/rust-1.75.0                  # Approximate version\ndev-lang/rust::gentoo                  # From specific repository\n```\n\n## Installation\n\nAdd to your `Cargo.toml`:\n\n```toml\n[dependencies]\nportage-atom = \"0.1\"\n```\n\n## Usage\n\n### Parse Unversioned Atoms (Cpn)\n\n```rust\nuse portage_atom::Cpn;\n\nlet cpn = Cpn::parse(\"dev-lang/rust\")?;\nassert_eq!(cpn.category, \"dev-lang\");\nassert_eq!(cpn.package, \"rust\");\nprintln!(\"{}\", cpn);  // dev-lang/rust\n```\n\n### Parse Versioned Atoms (Cpv)\n\n```rust\nuse portage_atom::Cpv;\n\nlet cpv = Cpv::parse(\"dev-lang/rust-1.75.0\")?;\nassert_eq!(cpv.version.numbers[0], 1);\nassert_eq!(cpv.version.numbers[1], 75);\nassert_eq!(cpv.version.numbers[2], 0);\n```\n\n### Parse Full Dependencies (Dep)\n\n```rust\nuse portage_atom::{Dep, Operator};\n\nlet dep = Dep::parse(\"\u003e=dev-lang/rust-1.75.0:0[llvm_targets_AMDGPU]::gentoo\")?;\n\n// Access components\nassert!(dep.version.is_some());\nassert_eq!(dep.version.as_ref().unwrap().op, Some(Operator::GreaterOrEqual));\nassert!(dep.slot_dep.is_some());\nassert!(dep.use_deps.is_some());\nassert_eq!(dep.repo, Some(\"gentoo\".to_string()));\n\n// Display\nprintln!(\"{}\", dep);\n```\n\n### Version Comparison\n\nVersions implement `Ord` according to PMS rules:\n\n```rust\nuse portage_atom::Version;\n\nlet v1 = Version::parse(\"1.75.0\")?;\nlet v2 = Version::parse(\"1.75.0-r1\")?;\nassert!(v1 \u003c v2);\n\nlet v3 = Version::parse(\"1.75.0_rc1\")?;\nassert!(v3 \u003c v1);  // RC versions are less than release\n```\n\n## Core Types\n\n- **`Cpn`**: Category/Package Name (e.g., `dev-lang/rust`)\n- **`Cpv`**: Category/Package/Version (e.g., `dev-lang/rust-1.75.0`)\n- **`Dep`**: Full dependency atom with all optional components\n- **`Version`**: Version with operator, numbers, letter, suffixes, and revision\n- **`Slot`** / **`SlotDep`**: Slot dependencies (`:0`, `:=`, `:*`, etc.)\n- **`UseDep`**: USE flag dependencies (`[flag]`, `[-flag]`, `[flag?]`, etc.)\n- **`Blocker`**: Weak (`!`) or strong (`!!`) blockers\n- **`Operator`**: Version operators (`\u003c`, `\u003c=`, `=`, `~`, `\u003e=`, `\u003e`, `=*`)\n\n## Package Manager Specification (PMS)\n\nThis library implements:\n\n### Version Specification (PMS Chapter 3)\n- Version syntax: `1.2.3a_alpha4_beta5_pre6_rc7_p8-r9`\n- Version operators and comparison (Algorithm 3.1)\n- Revision handling\n\n### Dependency Specification (PMS Chapter 8)\n- Package dependency atoms\n- Blockers (weak `!` and strong `!!`)\n- Slot dependencies (`:slot`, `:slot/subslot`, `:=`, `:*`)\n- USE dependencies with all variants\n- Repository IDs (`::repo`)\n\n## Design\n\nThe library uses [winnow](https://crates.io/crates/winnow) 0.7 for parsing:\n\n- **Parser Combinators**: Composable, type-safe parsing\n- **Zero-Copy**: Minimizes allocations where possible\n- **Error Handling**: Clear error messages with context\n- **Extensible**: Easy to add new features or customize parsing\n\nKey design principles:\n1. **Minimal Dependencies**: Only essential crates\n2. **PMS Compliance**: Strict adherence to specification\n3. **Type Safety**: Rust's type system prevents invalid atoms\n4. **Performance**: Efficient parsing with minimal overhead\n\n## Testing\n\nRun the test suite:\n\n```bash\ncargo test\n```\n\nRun the example:\n\n```bash\ncargo run --example parse_atoms\n```\n\n## Related Projects\n\n- [PMS](https://projects.gentoo.org/pms/) - Package Manager Specification\n- [Portage](https://wiki.gentoo.org/wiki/Portage) - Reference Gentoo package manager\n- [pkgcraft](https://crates.io/crates/pkgcraft) - Full-featured Gentoo package manager library\n\n## License\n\n[MIT](LICENSE-MIT)\n\n## Contributing\n\nContributions welcome! Please ensure:\n- Tests pass (`cargo test`)\n- Code is formatted (`cargo fmt`)\n- No clippy warnings (`cargo clippy`)\n- PMS compliance is maintained\n\n### Conventional Commits\n\nThis project uses [Conventional Commits](https://www.conventionalcommits.org/).\nPrefix your commit messages with a type:\n\n- `feat:` — new functionality\n- `fix:` — bug fix\n- `refactor:` — code restructuring without behaviour change\n- `docs:` — documentation only\n- `test:` — adding or updating tests\n- `chore:` — maintenance (CI, dependencies, tooling)\n\n## Author\n\nLuca Barbato \u003clu_zero@gentoo.org\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flu-zero%2Fportage-atom","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flu-zero%2Fportage-atom","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flu-zero%2Fportage-atom/lists"}