chore: minor comment fixes

bin/proving-service/build.rs

@@ -7,15 +7,18 @@ use miette::IntoDiagnostic;
 use protox::prost::Message;
 
 /// Defines whether the build script should generate files in `/src`.
+///
 /// The docs.rs build pipeline has a read-only filesystem, so we have to avoid writing to `src`,
 /// otherwise the docs will fail to build there. Note that writing to `OUT_DIR` is fine.
 const BUILD_GENERATED_FILES_IN_SRC: bool = option_env!("BUILD_GENERATED_FILES_IN_SRC").is_some();
 
 /// Generates Rust protobuf bindings from .proto files.
+///
 /// Because the proto generated files will be written to ./src/generated, this should be a no-op
 /// if ./src is read-only. To enable writing to ./src, set the `BUILD_GENERATED_FILES_IN_SRC`
 /// environment variable.
 fn main() -> miette::Result<()> {
+    println!("cargo::rerun-if-env-changed=BUILD_GENERATED_FILES_IN_SRC");
     if !BUILD_GENERATED_FILES_IN_SRC {
         return Ok(());
     }

crates/miden-lib/build.rs

@@ -441,6 +441,7 @@ fn is_masm_file(path: &Path) -> io::Result<bool> {
 ///
 /// We also ensure that a constant is not defined twice, except if their error code is the same.
 /// This can happen across multiple files.
+///
 /// Because the error files will be written to ./src/errors, this should be a no-op if ./src is
 /// read-only. To enable writing to ./src, set the `BUILD_GENERATED_FILES_IN_SRC` environment
 /// variable.

crates/miden-proving-service-client/build.rs

@@ -8,15 +8,18 @@ use miette::IntoDiagnostic;
 use protox::prost::Message;
 
 /// Defines whether the build script should generate files in `/src`.
+///
 /// The docs.rs build pipeline has a read-only filesystem, so we have to avoid writing to `src`,
 /// otherwise the docs will fail to build there. Note that writing to `OUT_DIR` is fine.
 const BUILD_GENERATED_FILES_IN_SRC: bool = option_env!("BUILD_GENERATED_FILES_IN_SRC").is_some();
 
 /// Generates Rust protobuf bindings from .proto files.
+///
 /// Because the proto generated files will be written to ./src/generated, this should be a no-op
 /// if ./src is read-only. To enable writing to ./src, set the `BUILD_GENERATED_FILES_IN_SRC`
 /// environment variable.
 fn main() -> miette::Result<()> {
+    println!("cargo::rerun-if-env-changed=BUILD_GENERATED_FILES_IN_SRC");
     if !BUILD_GENERATED_FILES_IN_SRC {
         return Ok(());
     }