Expose default tag as feature (#1492)

Author: demoray

services/autorust/codegen/src/cargo_toml.rs

@@ -3,7 +3,7 @@ use crate::{config_parser::Tag, jinja::CargoToml};
 use camino::Utf8Path;
 
 pub fn create(package_name: &str, tags: &[&Tag], default_tag: &Tag, has_xml: bool, path: &Utf8Path) -> Result<()> {
-    let default_feature = &default_tag.rust_feature_name();
+    let default_tag = &default_tag.rust_feature_name();
 
     // https://docs.rs/about/metadata
     // let docs_rs_features = docs_rs_features(tags, &default_feature);
@@ -12,7 +12,7 @@ pub fn create(package_name: &str, tags: &[&Tag], default_tag: &Tag, has_xml: boo
     let azure_core_features = if has_xml { vec!["xml"] } else { Vec::new() };
     let cargo_toml = CargoToml {
         package_name,
-        default_feature,
+        default_tag,
         features,
         azure_core_features,
     };

services/autorust/codegen/src/jinja.rs

@@ -50,7 +50,7 @@ impl<'a> CheckAllServicesYml<'a> {
 #[template(path = "Cargo.toml.jinja")]
 pub struct CargoToml<'a> {
     pub package_name: &'a str,
-    pub default_feature: &'a str,
+    pub default_tag: &'a str,
     pub features: Vec<String>,
     pub azure_core_features: Vec<&'a str>,
 }

services/autorust/codegen/src/lib_rs.rs

@@ -38,7 +38,7 @@ impl ToTokens for BodyCode {
             cfgs.extend(quote! {
                 #[cfg(feature = #feature_name)]
                 pub mod #mod_name;
-                #[cfg(all(feature = #feature_name, not(feature = "no-default-tag")))]
+                #[cfg(all(feature = #feature_name, not(feature = "without_tag_import")))]
                 pub use #mod_name::*;
             });
         }

services/autorust/codegen/templates/Cargo.toml.jinja

@@ -35,10 +35,11 @@ anyhow = "1.0"
 all-features = true
 
 [features]
-default = ["{{default_feature}}", "enable_reqwest"]
+default = ["default_tag", "enable_reqwest"]
 enable_reqwest = ["azure_core/enable_reqwest"]
 enable_reqwest_rustls = ["azure_core/enable_reqwest_rustls"]
-no-default-tag = []
+without_tag_import = []
+default_tag = ["{{default_tag}}"]
 {%- for feature in features %}
 "{{feature}}" = []
 {%- endfor %}