fix(nep330): Fallback to CARGO_PKG_REPOSITORY and `CARGO_PKG_VERSIO…

…N` when `NEP330_*` variables are not provided (#1215)

To avoid problems on manual `cargo build` and older versions of cargo-near (<0.7.0) that do not provide `NEP330_*` environment variables

near-sdk-macros/src/core_impl/contract_metadata/mod.rs

@@ -56,13 +56,17 @@ struct Standard {
 impl ContractMetadata {
  fn populate(mut self) -> Self {
  if self.link.is_none() {
- let field_val = std::env::var("NEP330_LINK").unwrap_or(String::from(""));
+ let field_val = std::env::var("NEP330_LINK")
+ .or(std::env::var("CARGO_PKG_REPOSITORY"))
+ .unwrap_or(String::from(""));
  if !field_val.is_empty() {
  self.link = Some(field_val);
  }
  }
  if self.version.is_none() {
- let field_val = std::env::var("NEP330_VERSION").unwrap_or(String::from(""));
+ let field_val = std::env::var("NEP330_VERSION")
+ .or(std::env::var("CARGO_PKG_VERSION"))
+ .unwrap_or(String::from(""));
  if !field_val.is_empty() {
  self.version = Some(field_val);
  }