feat(tasks): add --json flag (#2116)

* tasks: add --json flag

Fixes #2043

* Render help

src/main.rs

@@ -63,6 +63,7 @@ mod migrate;
 mod path_env;
 mod plugins;
 mod rand;
+mod registry;
 mod runtime_symlinks;
 mod shell;
 mod shims;

src/registry.rs

@@ -0,0 +1,28 @@
+use std::collections::HashMap;
+
+use once_cell::sync::Lazy;
+
+use crate::cli::args::ForgeArg;
+
+const REGISTRY: &[(&str, &str)] = &[
+    ("ubi", "cargo:ubi"),
+    ("elixir", "asdf:mise-plugins/mise-elixir"),
+];
+
+static MAP: Lazy<HashMap<&'static str, ForgeArg>> =
+    Lazy::new(|| REGISTRY.iter().map(|(k, v)| (*k, (*v).into())).collect());
+
+pub fn get(s: &str) -> Option<&'static ForgeArg> {
+    MAP.get(s)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_get() {
+        assert_eq!(get("ubi").unwrap().id, "cargo:ubi");
+        assert_eq!(get("unknown"), None);
+    }
+}