feat(forge): allow passing value to --optimize (#9071)

feat(forge): allow passing value to --optimize

crates/cli/src/opts/build/core.rs

@@ -266,8 +266,8 @@ impl Provider for CoreBuildArgs {
             dict.insert("ast".to_string(), true.into());
         }
 
-        if self.compiler.optimize {
-            dict.insert("optimizer".to_string(), self.compiler.optimize.into());
+        if let Some(optimize) = self.compiler.optimize {
+            dict.insert("optimizer".to_string(), optimize.into());
         }
 
         if !self.compiler.extra_output.is_empty() {

crates/cli/src/opts/build/mod.rs

@@ -26,9 +26,9 @@ pub struct CompilerArgs {
     pub evm_version: Option<EvmVersion>,
 
     /// Activate the Solidity optimizer.
-    #[arg(long)]
+    #[arg(long, default_missing_value="true", num_args = 0..=1)]
     #[serde(skip)]
-    pub optimize: bool,
+    pub optimize: Option<bool>,
 
     /// The number of runs specifies roughly how often each opcode of the deployed code will be
     /// executed across the life-time of the contract. This means it is a trade-off parameter

crates/forge/bin/cmd/create.rs

@@ -335,8 +335,11 @@ impl CreateArgs {
 
         println!("Starting contract verification...");
 
-        let num_of_optimizations =
-            if self.opts.compiler.optimize { self.opts.compiler.optimizer_runs } else { None };
+        let num_of_optimizations = if self.opts.compiler.optimize.unwrap_or_default() {
+            self.opts.compiler.optimizer_runs
+        } else {
+            None
+        };
         let verify = forge_verify::VerifyArgs {
             address,
             contract: Some(self.contract),

crates/forge/bin/cmd/inspect.rs

@@ -52,7 +52,7 @@ impl InspectArgs {
 
         // Run Optimized?
         let optimized = if field == ContractArtifactField::AssemblyOptimized {
-            true
+            Some(true)
         } else {
             build.compiler.optimize
         };