Allow package version to be passed on CLI (Rust fix)

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/RustServerCodegen.java

@@ -177,8 +177,7 @@ public RustServerCodegen() {
                 "Rust crate name (convention: snake_case).")
                 .defaultValue("openapi_client"));
         cliOptions.add(new CliOption(CodegenConstants.PACKAGE_VERSION,
-                "Rust crate version.")
-                .defaultValue("1.0.0"));
+                "Rust crate version."));
 
         /*
          * Additional Properties.  These values can be passed to the templates and
@@ -224,8 +223,6 @@ public void processOpts() {
 
         if (additionalProperties.containsKey(CodegenConstants.PACKAGE_VERSION)) {
             setPackageVersion((String) additionalProperties.get(CodegenConstants.PACKAGE_VERSION));
-        } else {
-            setPackageVersion("1.0.0");
         }
 
         additionalProperties.put(CodegenConstants.PACKAGE_NAME, packageName);

modules/openapi-generator/src/main/resources/rust-server/Cargo.mustache

@@ -1,6 +1,6 @@
 [package]
 name = "{{{packageName}}}"
-version = "{{{appVersion}}}"
+version = {{#packageVersion}}"{{{packageVersion}}}"{{/packageVersion}}{{^packageVersion}}"{{{appVersion}}}"{{/packageVersion}}{{! Fill in with packageVersion if defined, which can be passed via a command line argument, Else use appVersion from the Open API spec, which defaults to 1.0.0 if not present.}}
 authors = [{{#infoEmail}}"{{{infoEmail}}}"{{/infoEmail}}]
 {{#appDescription}}
 description = "{{{appDescription}}}"

modules/openapi-generator/src/test/resources/2_0/rust-server/rust-server-test.yaml

@@ -1,7 +1,7 @@
 swagger: '2.0'
 info:
   description: "This spec is for testing rust-server-specific things"
-  version: 1.0.0
+  version: 2.0.0
   title: rust-server-test
 schemes:
   - http

samples/server/petstore/rust-server/output/rust-server-test/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rust-server-test"
-version = "1.0.0"
+version = "2.0.0"
 authors = []
 description = "This spec is for testing rust-server-specific things"
 license = "Unlicense"

samples/server/petstore/rust-server/output/rust-server-test/README.md

@@ -12,7 +12,7 @@ To see how to make this your own, look here:
 
 [README]((https://openapi-generator.tech))
 
-- API version: 1.0.0
+- API version: 2.0.0
 
 This autogenerated project defines an API crate `rust-server-test` which contains:
 * An `Api` trait defining the API in Rust.
@@ -75,7 +75,7 @@ The server example is designed to form the basis for implementing your own serve
 
 * Set up a new Rust project, e.g., with `cargo init --bin`.
 * Insert `rust-server-test` into the `members` array under [workspace] in the root `Cargo.toml`, e.g., `members = [ "rust-server-test" ]`.
-* Add `rust-server-test = {version = "1.0.0", path = "rust-server-test"}` under `[dependencies]` in the root `Cargo.toml`.
+* Add `rust-server-test = {version = "2.0.0", path = "rust-server-test"}` under `[dependencies]` in the root `Cargo.toml`.
 * Copy the `[dependencies]` and `[dev-dependencies]` from `rust-server-test/Cargo.toml` into the root `Cargo.toml`'s `[dependencies]` section.
   * Copy all of the `[dev-dependencies]`, but only the `[dependencies]` that are required by the example server. These should be clearly indicated by comments.
   * Remove `"optional = true"` from each of these lines if present.

samples/server/petstore/rust-server/output/rust-server-test/api/openapi.yaml

@@ -2,7 +2,7 @@ openapi: 3.0.1
 info:
   description: This spec is for testing rust-server-specific things
   title: rust-server-test
-  version: 1.0.0
+  version: 2.0.0
 servers:
 - url: /
 paths:

samples/server/petstore/rust-server/output/rust-server-test/src/lib.rs

@@ -36,7 +36,7 @@ mod mimetypes;
 pub use swagger::{ApiError, ContextWrapper};
 
 pub const BASE_PATH: &'static str = "";
-pub const API_VERSION: &'static str = "1.0.0";
+pub const API_VERSION: &'static str = "2.0.0";
 
 
 #[derive(Debug, PartialEq)]