feat: parse matchspec conditions and translate to resolvo (#1545)

Co-authored-by: Bas Zalmstra <[email protected]>

Author: wolfv

.github/workflows/rust-compile.yml

@@ -22,7 +22,7 @@ env:
   RUST_BACKTRACE: 1
   RUSTFLAGS: "-D warnings"
   CARGO_TERM_COLOR: always
-  DEFAULT_FEATURES: indicatif,tokio,serde,reqwest,sparse,gateway,resolvo,libsolv_c,s3,experimental_extras,edit,rattler_config
+  DEFAULT_FEATURES: indicatif,tokio,serde,reqwest,sparse,gateway,resolvo,libsolv_c,s3,experimental_extras,experimental_conditionals,edit,rattler_config
 
 jobs:
   check-rustdoc-links:

Cargo.lock

@@ -12,7 +12,8 @@ readme.workspace = true
 
 [features]
 default = ["rayon"]
-experimental_extras = []
+experimental_extras = ["experimental_conditionals"]
+experimental_conditionals = []
 
 [dependencies]
 ahash = { workspace = true }

crates/rattler_conda_types/Cargo.toml

@@ -187,7 +187,7 @@ impl serde::Serialize for NamedChannelOrUrl {
 }
 
 /// `Channel`s are the primary source of package information.
-#[derive(Debug, Clone, Serialize, Eq, PartialEq, Hash)]
+#[derive(Debug, Clone, Serialize, Eq, PartialEq, Hash, Deserialize)]
 pub struct Channel {
     /// The platforms supported by this channel, or None if no explicit
     /// platforms have been specified.
@@ -198,6 +198,7 @@ pub struct Channel {
     pub base_url: ChannelUrl,
 
     /// The name of the channel
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub name: Option<String>,
 }
 

crates/rattler_conda_types/src/channel/mod.rs

@@ -41,6 +41,8 @@ pub use explicit_environment_spec::{
     ParseExplicitEnvironmentSpecError, ParsePackageArchiveHashError,
 };
 pub use generic_virtual_package::GenericVirtualPackage;
+#[cfg(feature = "experimental_conditionals")]
+pub use match_spec::condition::MatchSpecCondition;
 pub use match_spec::{
     matcher::{StringMatcher, StringMatcherParseError},
     parse::ParseMatchSpecError,