Fix fzf chooser preview with space-separated module paths (#2141)

src/config.rs

@@ -11,14 +11,6 @@ const CHOOSE_HELP: &str = "Select one or more recipes to run using a binary choo
                            If `--chooser` is not passed the chooser defaults to the \
                            value of $JUST_CHOOSER, falling back to `fzf`";
 
-pub(crate) fn chooser_default(justfile: &Path) -> OsString {
-  let mut chooser = OsString::new();
-  chooser.push("fzf --multi --preview 'just --unstable --color always --justfile \"");
-  chooser.push(justfile);
-  chooser.push("\" --show {}'");
-  chooser
-}
-
 #[derive(Debug, PartialEq)]
 pub(crate) struct Config {
   pub(crate) check: bool,
@@ -568,15 +560,20 @@ impl Config {
     }
   }
 
-  fn parse_module_path(path: ValuesRef<String>) -> ConfigResult<ModulePath> {
+  fn parse_module_path(values: ValuesRef<String>) -> ConfigResult<ModulePath> {
+    let path = values.clone().map(|s| (*s).as_str()).collect::<Vec<&str>>();
+
+    let path = if path.len() == 1 && path[0].contains(' ') {
+      path[0].split_whitespace().collect::<Vec<&str>>()
+    } else {
+      path
+    };
+
     path
-      .clone()
-      .map(|s| (*s).as_str())
-      .collect::<Vec<&str>>()
       .as_slice()
       .try_into()
       .map_err(|()| ConfigError::ModulePath {
-        path: path.cloned().collect(),
+        path: values.cloned().collect(),
       })
   }
 

src/subcommand.rs

@@ -231,7 +231,15 @@ impl Subcommand {
       return Err(Error::NoChoosableRecipes);
     }
 
-    let chooser = chooser.map_or_else(|| config::chooser_default(&search.justfile), From::from);
+    let chooser = if let Some(chooser) = chooser {
+      OsString::from(chooser)
+    } else {
+      let mut chooser = OsString::new();
+      chooser.push("fzf --multi --preview 'just --unstable --color always --justfile \"");
+      chooser.push(&search.justfile);
+      chooser.push("\" --show {}'");
+      chooser
+    };
 
     let result = justfile
       .settings

tests/show.rs

@@ -124,3 +124,18 @@ fn show_invalid_path() {
     .status(1)
     .run();
 }
+
+#[test]
+fn show_space_separated_path() {
+  Test::new()
+    .write("foo.just", "bar:\n @echo MODULE")
+    .justfile(
+      "
+        mod foo
+      ",
+    )
+    .test_round_trip(false)
+    .args(["--unstable", "--show", "foo bar"])
+    .stdout("bar:\n    @echo MODULE\n")
+    .run();
+}