feat: add an option to append additional PlantUML arguments when gene…

…rating diagrams

fix #11

src/cli.rs

@@ -183,6 +183,7 @@ pub fn build_cli() -> Command {
                     .long("args")
                     .action(ArgAction::Set)
                     .num_args(1..)
+                    .value_delimiter(' ')
                     .help("Extra arguments for PlantUML."))
                 .arg(&arg_cache_directory)
                 .arg(&arg_plantuml_version)

src/cmd/diagram/generate/mod.rs

@@ -158,7 +158,7 @@ mod test {
             "-s=target/tests/cmd/diagram/generate/source",
             "-C=target/tests/cmd/diagram/generate/cache",
             "-P=test/plantuml-1.2022.4.jar",
-            "-a=-png",
+            "-a=-png -v",
         ]);
         execute_diagram_generate(
             arg_matches

src/plantuml.rs

@@ -45,11 +45,9 @@ impl PlantUML {
             .output()
             .map_err(|e| anyhow::Error::new(e).context(format!("unable to render {}", source)))?;
         io::stdout().write_all(&output.stdout)?;
-        // .map_err(|e| anyhow::Error::new(e).context(format!("unable to write stdout"), Box::from(e)))?;
         io::stderr().write_all(&output.stderr)?;
         // check the generation
         if !output.status.success() {
-            // .map_err(|e| anyhow::Error::new(e).context(format!("unable to write stderr"), Box::from(e)))?;
             return Err(anyhow::Error::msg(format!("failed to render {}", source)));
         }