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-rw-r--r--tvix/eval/src/eval.rs3
-rw-r--r--tvix/eval/src/main.rs15
2 files changed, 16 insertions, 2 deletions
diff --git a/tvix/eval/src/eval.rs b/tvix/eval/src/eval.rs
index 6a35630b3ff7..bfd827e2ca5b 100644
--- a/tvix/eval/src/eval.rs
+++ b/tvix/eval/src/eval.rs
@@ -36,6 +36,9 @@ pub struct Options {
     /// A colon-separated list of directories to use to resolve `<...>`-style paths
     #[cfg_attr(feature = "repl", clap(long, short = 'I', env = "NIX_PATH"))]
     nix_search_path: Option<NixSearchPath>,
+
+    #[cfg_attr(feature = "repl", clap(long))]
+    pub raw: bool,
 }
 
 impl Options {
diff --git a/tvix/eval/src/main.rs b/tvix/eval/src/main.rs
index 22bea16d0e20..bef48d07a0c4 100644
--- a/tvix/eval/src/main.rs
+++ b/tvix/eval/src/main.rs
@@ -2,6 +2,7 @@ use std::{fs, path::PathBuf};
 
 use clap::Parser;
 use rustyline::{error::ReadlineError, Editor};
+use tvix_eval::Value;
 
 #[derive(Parser)]
 struct Args {
@@ -21,8 +22,9 @@ fn main() {
     if let Some(file) = args.script {
         run_file(file, args.eval_options)
     } else if let Some(expr) = args.expr {
+        let raw = args.eval_options.raw;
         if let Ok(result) = tvix_eval::interpret(&expr, None, args.eval_options) {
-            println!("=> {} :: {}", result, result.type_of())
+            println_result(&result, raw);
         }
     } else {
         run_prompt(args.eval_options)
@@ -34,12 +36,21 @@ fn run_file(mut path: PathBuf, eval_options: tvix_eval::Options) {
         path.push("default.nix");
     }
     let contents = fs::read_to_string(&path).expect("failed to read the input file");
+    let raw = eval_options.raw;
     match tvix_eval::interpret(&contents, Some(path), eval_options) {
-        Ok(result) => println!("=> {} :: {}", result, result.type_of()),
+        Ok(result) => println_result(&result, raw),
         Err(err) => eprintln!("{}", err),
     }
 }
 
+fn println_result(result: &Value, raw: bool) {
+    if raw {
+        println!("{}", result.to_str().unwrap().as_str())
+    } else {
+        println!("=> {} :: {}", result, result.type_of())
+    }
+}
+
 fn state_dir() -> Option<PathBuf> {
     let mut path = dirs::data_dir();
     if let Some(p) = path.as_mut() {