fix: the broken --version endpoint

Cargo.toml

@@ -30,7 +30,7 @@ semver = { version = "=1.0.23", features = [ "serde" ] }
 lazy_static = "=1.5.0"
 hex = "=0.4.3"
 
-zkevm_opcode_defs = { git = "https://github.com/matter-labs/zksync-protocol", version = "=0.150.5" }
+zkevm_opcode_defs = "=0.150.6"
 
 era-compiler-common = { git = "https://github.com/matter-labs/era-compiler-common", branch = "main" }
 era-compiler-llvm-context = { git = "https://github.com/matter-labs/era-compiler-llvm-context", branch = "main" }

src/zkvyper/arguments.rs

@@ -156,10 +156,14 @@ impl Arguments {
             }
         }
 
-        if self.version && std::env::args().count() > 2 {
-            anyhow::bail!(
-                "Error: No other options are allowed while getting the compiler version."
-            );
+        if self.version {
+            if std::env::args().count() > 2 {
+                anyhow::bail!(
+                    "Error: No other options are allowed while getting the compiler version."
+                );
+            } else {
+                return Ok(());
+            }
         }
 
         if self.input_paths.is_empty() {

tests/cli/mod.rs

@@ -23,6 +23,7 @@ mod optimization;
 mod output_dir;
 mod overwrite;
 mod supress;
+mod version;
 mod vyper;
 
 /// The solidity contract name

tests/cli/version.rs

@@ -0,0 +1,30 @@
+use crate::{cli, common};
+use predicates::prelude::*;
+
+#[test]
+fn test_version() -> anyhow::Result<()> {
+    let _ = common::setup();
+
+    let args = &["--version"];
+    let result = cli::execute_zkvyper(args)?;
+
+    result
+        .success()
+        .stdout(predicate::str::contains("Vyper compiler for ZKsync"));
+
+    Ok(())
+}
+
+#[test]
+fn test_version_with_extra_args() -> anyhow::Result<()> {
+    let _ = common::setup();
+
+    let args = &["--version", cli::TEST_VYPER_CONTRACT_PATH];
+    let result = cli::execute_zkvyper(args)?;
+
+    result.failure().stderr(predicate::str::contains(
+        "Error: No other options are allowed while getting the compiler version.",
+    ));
+
+    Ok(())
+}