feat: variants in metadata (prefix-dev#55)

Intial partial refactor for variant support, but this was split off so only the package manifest is being used with this PR.

Cargo.toml

@@ -27,29 +27,19 @@ toml_edit = "0.22.22"
 tokio = "1.37.0"
 tracing-subscriber = "0.3.19"
 url = "2.5.4"
+pyproject-toml = "0.13.4"
 
 jsonrpc-stdio-server = "18.0.0"
 jsonrpc-http-server = "18.0.0"
 jsonrpc-core = "18.0.0"
 
 rattler-build = { git = "https://github.com/prefix-dev/rattler-build", branch = "main", default-features = false }
 
-rattler_conda_types = { version = "0.29.1", default-features = false }
-rattler_package_streaming = { version = "0.22.14", default-features = false }
-rattler_virtual_packages = { version = "1.1.10", default-features = false }
+rattler_conda_types = { version = "0.29.9", default-features = false }
+rattler_package_streaming = { version = "0.22.22", default-features = false }
+rattler_virtual_packages = { version = "1.1.17", default-features = false }
 
 pixi_build_types = { git = "https://github.com/prefix-dev/pixi", branch = "main" }
 pixi_consts = { git = "https://github.com/prefix-dev/pixi", branch = "main" }
 pixi_manifest = { git = "https://github.com/prefix-dev/pixi", branch = "main" }
 pixi_spec = { git = "https://github.com/prefix-dev/pixi", branch = "main" }
-
-[patch.crates-io]
-rattler = { git = "https://github.com/conda/rattler", branch = "main" }
-rattler_conda_types = { git = "https://github.com/conda/rattler", branch = "main" }
-rattler_package_streaming = { git = "https://github.com/conda/rattler", branch = "main" }
-rattler_virtual_packages = { git = "https://github.com/conda/rattler", branch = "main" }
-rattler_cache = { git = "https://github.com/conda/rattler", branch = "main" }
-rattler_solve = { git = "https://github.com/conda/rattler", branch = "main" }
-rattler_repodata_gateway = { git = "https://github.com/conda/rattler", branch = "main" }
-rattler_redaction = { git = "https://github.com/conda/rattler", branch = "main" }
-rattler_networking = { git = "https://github.com/conda/rattler", branch = "main" }

crates/pixi-build/Cargo.toml

@@ -29,6 +29,7 @@ tempfile = { workspace = true }
 tokio = { workspace = true, features = ["macros"] }
 tracing-subscriber = { workspace = true }
 url = { workspace = true }
+pyproject-toml = { workspace = true }
 
 pixi_build_types = { workspace = true }
 pixi_consts = { workspace = true }