fix: languages command to print all languages

Added strum as a dep to iterate over enums. less important for
languages where we have only 3 but may be more useful when it
comes to components and not leaving any of those out.

Cargo.toml

@@ -31,6 +31,7 @@ console = "0.15.8"
 num_cpus = "1.8.0"
 shell-words = "1.0.0"
 octocrab = "0.38.0"
+strum = { version = "0.26", features = ["derive"] }
 tokio = { version = "1.17.0", features = ["macros", "rt-multi-thread"] }
 bytes = { version = "1.6.1", features = [] }
 flate2 = "1.0.30"

src/languages.rs

@@ -2,7 +2,7 @@ use crate::github::GithubRepo;
 use crate::languages;
 use clap::ValueEnum;
 use color_eyre::{eyre::eyre, eyre::Result};
-
+use strum::IntoEnumIterator;
 pub mod elixir;
 pub mod erlang;
 pub mod gleam;
@@ -55,11 +55,17 @@ pub const BIN_MAP: &[(&str, languages::Language)] = &[
     ("mix.ps1", languages::Language::Elixir),
 ];
 
-#[derive(ValueEnum, Debug, Clone, PartialEq)]
+#[derive(ValueEnum, Debug, Clone, PartialEq, EnumIter)]
 pub enum Language {
+    Elixir,
     Erlang,
     Gleam,
-    Elixir,
+}
+
+pub fn print() {
+    for l in Language::iter() {
+        println!("{:?}", l);
+    }
 }
 
 impl std::fmt::Display for Language {

src/main.rs

@@ -2,6 +2,9 @@ extern crate clap;
 
 #[macro_use]
 extern crate log;
+#[macro_use]
+extern crate strum;
+
 use clap::{Args, Command, CommandFactory, Parser, Subcommand};
 use clap_complete::{generate, Generator, Shell};
 use console::style;
@@ -11,7 +14,9 @@ use std::io::Write;
 use std::path::Path;
 use std::path::PathBuf;
 use std::process;
+
 mod config;
+
 use color_eyre::{eyre::eyre, eyre::Report, eyre::Result};
 
 mod git;
@@ -253,8 +258,7 @@ fn handle_command(_bin_path: PathBuf) -> Result<(), Report> {
         SubCommands::Languages => {
             debug!("running list");
             println!("Languages:\n");
-            println!("erlang");
-            println!("gleam");
+            languages::print();
             Ok(())
         }
         SubCommands::List => {