log path while file is missing; bump 0.3.9

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "calcit_runner"
-version = "0.3.8"
+version = "0.3.9"
 authors = ["jiyinyiyong <jiyinyiyong@gmail.com>"]
 edition = "2018"
 license = "MIT"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@calcit/procs",
-  "version": "0.3.8",
+  "version": "0.3.9",
   "main": "./lib/calcit.procs.js",
   "devDependencies": {
     "@types/node": "^15.0.1",

src/cirru/calcit-core.cirru

@@ -463,7 +463,8 @@
               if (map? x) (&{})
                 if (set? x) (#{})
                   if (string? x) |
-                    raise $ &str-concat "|empty does not work on this type: " (&str x)
+                    if (nil? x) nil
+                      raise $ &str-concat "|empty does not work on this type: " (&str x)
 
         |pairs-map $ quote
           defn pairs-map (xs)

src/main.rs

@@ -53,7 +53,7 @@ fn main() -> Result<(), String> {
   } else {
     // load entry file
     let entry_path = Path::new(cli_matches.value_of("input").unwrap());
-    let content = fs::read_to_string(entry_path).expect("expected a Cirru snapshot");
+    let content = fs::read_to_string(entry_path).expect(&format!("expected Cirru snapshot: {:?}", entry_path));
     let data = cirru_edn::parse(&content)?;
     // println!("reading: {}", content);
     snapshot = snapshot::load_snapshot_data(data)?;
@@ -326,7 +326,7 @@ fn load_module(path: &str, base_dir: &Path) -> Result<snapshot::Snapshot, String
 
   println!("loading module: {}", fullpath);
 
-  let content = fs::read_to_string(&fullpath).expect("expected a Cirru snapshot");
+  let content = fs::read_to_string(&fullpath).expect(&format!("expected Cirru snapshot {:?}", fullpath));
   let data = cirru_edn::parse(&content)?;
   // println!("reading: {}", content);
   let snapshot = snapshot::load_snapshot_data(data)?;