Clean up some comments.

src/cli/exec.ts

@@ -64,6 +64,7 @@ export const execCommand = new Command()
   )
   .addCommand(circomspectCommand)
   .hook("preAction", async (command) => {
+    // Store the options in globals for subcommands to access them.
     const opts = command.opts();
     listTags = !!opts.listTags;
     tag = opts.tag;
@@ -95,7 +96,7 @@ export const execCommand = new Command()
       rootDirectory = cwd;
       sindri.logger.warn(
         `No "sindri.json" file was found in or above "${cwd}", ` +
-          `using the current directory as the project root.`,
+          "using the current directory as the project root.",
       );
     }
     rootDirectory = path.normalize(path.resolve(rootDirectory));

src/cli/utils.ts

@@ -39,7 +39,7 @@ export function checkCommandExists(command: string): Promise<boolean> {
     });
 
     process.on("exit", (code) => {
-      // Command exists if exit code is 0 (success)
+      // Command exists if there are no errors or the exit code isn't 127.
       resolve(code !== 127 && code !== null);
     });
   });
@@ -148,7 +148,7 @@ export async function execCommand(
     });
   }
 
-  // No way to run the command.
+  // There's no way to run the command.
   logger?.debug(
     `The "${command}" command is not available locally or in Docker.`,
   );