cli: Fix `rad config` bugs

The command was unable to deal with an invalid config. We fix this by
introducing a way to load the user's home without loading the config.

radicle-cli/src/commands/config.rs

@@ -2,8 +2,11 @@
 use std::ffi::OsString;
 use std::path::Path;
 use std::process;
+use std::str::FromStr;
 
 use anyhow::anyhow;
+use radicle::node::Alias;
+use radicle::profile::Config;
 
 use crate::terminal as term;
 use crate::terminal::args::{Args, Error, Help};
@@ -18,11 +21,10 @@ Usage
 
     rad config [<option>...]
     rad config show [<option>...]
-    rad config init [<option>...]
+    rad config init --alias <alias> [<option>...]
     rad config edit [<option>...]
     rad config get <key> [<option>...]
 
-
     If no argument is specified, prints the current radicle configuration as JSON.
     To initialize a new configuration file, use `rad config init`.
 
@@ -44,6 +46,7 @@ enum Operation {
 
 pub struct Options {
     op: Operation,
+    alias: Option<Alias>,
 }
 
 impl Args for Options {
@@ -52,6 +55,7 @@ impl Args for Options {
 
         let mut parser = lexopt::Parser::from_args(args);
         let mut op: Option<Operation> = None;
+        let mut alias = None;
 
         #[allow(clippy::never_loop)]
         while let Some(arg) = parser.next()? {
@@ -59,6 +63,13 @@ impl Args for Options {
                 Long("help") | Short('h') => {
                     return Err(Error::Help.into());
                 }
+                Long("alias") => {
+                    let value = parser.value()?;
+                    let input = value.to_string_lossy();
+                    let input = Alias::from_str(&input)?;
+
+                    alias = Some(input);
+                }
                 Value(val) if op.is_none() => match val.to_string_lossy().as_ref() {
                     "show" => op = Some(Operation::Show),
                     "edit" => op = Some(Operation::Edit),
@@ -78,6 +89,7 @@ impl Args for Options {
         Ok((
             Options {
                 op: op.unwrap_or_default(),
+                alias,
             },
             vec![],
         ))
@@ -85,14 +97,16 @@ impl Args for Options {
 }
 
 pub fn run(options: Options, ctx: impl term::Context) -> anyhow::Result<()> {
-    let profile = ctx.profile()?;
-    let path = profile.home.config();
+    let home = ctx.home()?;
+    let path = home.config();
 
     match options.op {
         Operation::Show => {
+            let profile = ctx.profile()?;
             term::json::to_pretty(&profile.config, path.as_path())?.print();
         }
         Operation::Get(key) => {
+            let profile = ctx.profile()?;
             let data = serde_json::to_value(profile.config)?;
             if let Some(value) = get_value(&data, &key) {
                 print_value(value)?;
@@ -102,7 +116,16 @@ pub fn run(options: Options, ctx: impl term::Context) -> anyhow::Result<()> {
             if path.try_exists()? {
                 anyhow::bail!("configuration file already exists at `{}`", path.display());
             }
-            profile.config.write(&path)?;
+            Config::init(
+                options.alias.ok_or(anyhow!(
+                    "an alias must be provided to initialize a new configuration"
+                ))?,
+                &path,
+            )?;
+            term::success!(
+                "Initialized new Radicle configuration at {}",
+                path.display()
+            );
         }
         Operation::Edit => {
             let Some(cmd) = term::editor::default_editor() else {

radicle-cli/src/main.rs

@@ -75,7 +75,7 @@ fn print_help() -> anyhow::Result<()> {
     println!("{DESCRIPTION}");
     println!();
 
-    rad_help::run(Default::default(), term::profile)
+    rad_help::run(Default::default(), term::DefaultContext)
 }
 
 fn run(command: Command) -> Result<(), Option<anyhow::Error>> {

radicle-cli/src/terminal.rs

@@ -14,7 +14,7 @@ use std::process;
 
 pub use radicle_term::*;
 
-use radicle::profile::Profile;
+use radicle::profile::{Home, Profile};
 
 use crate::terminal;
 
@@ -22,20 +22,17 @@ use crate::terminal;
 pub trait Context {
     /// Return the currently active profile, or an error if no profile is active.
     fn profile(&self) -> Result<Profile, anyhow::Error>;
+    /// Return the Radicle home.
+    fn home(&self) -> Result<Home, std::io::Error>;
 }
 
 impl Context for Profile {
     fn profile(&self) -> Result<Profile, anyhow::Error> {
         Ok(self.clone())
     }
-}
 
-impl<F> Context for F
-where
-    F: Fn() -> Result<Profile, anyhow::Error>,
-{
-    fn profile(&self) -> Result<Profile, anyhow::Error> {
-        self()
+    fn home(&self) -> Result<Home, std::io::Error> {
+        Ok(self.home.clone())
     }
 }
 
@@ -57,7 +54,7 @@ where
 pub fn run_command<A, C>(help: Help, cmd: C) -> !
 where
     A: Args,
-    C: Command<A, fn() -> anyhow::Result<Profile>>,
+    C: Command<A, DefaultContext>,
 {
     let args = std::env::args_os().skip(1).collect();
 
@@ -67,7 +64,7 @@ where
 pub fn run_command_args<A, C>(help: Help, cmd: C, args: Vec<OsString>) -> !
 where
     A: Args,
-    C: Command<A, fn() -> anyhow::Result<Profile>>,
+    C: Command<A, DefaultContext>,
 {
     use io as term;
 
@@ -108,7 +105,7 @@ where
         }
     };
 
-    match cmd.run(options, self::profile) {
+    match cmd.run(options, DefaultContext) {
         Ok(()) => process::exit(0),
         Err(err) => {
             terminal::fail(help.name, &err);
@@ -117,17 +114,25 @@ where
     }
 }
 
-/// Get the default profile. Fails if there is no profile.
-pub fn profile() -> Result<Profile, anyhow::Error> {
-    match Profile::load() {
-        Ok(profile) => Ok(profile),
-        Err(radicle::profile::Error::NotFound(path)) => Err(args::Error::WithHint {
-            err: anyhow::anyhow!("Radicle profile not found in '{}'.", path.display()),
-            hint: "To setup your radicle profile, run `rad auth`.",
+/// Gets the default profile. Fails if there is no profile.
+pub struct DefaultContext;
+
+impl Context for DefaultContext {
+    fn home(&self) -> Result<Home, std::io::Error> {
+        radicle::profile::home()
+    }
+
+    fn profile(&self) -> Result<Profile, anyhow::Error> {
+        match Profile::load() {
+            Ok(profile) => Ok(profile),
+            Err(radicle::profile::Error::NotFound(path)) => Err(args::Error::WithHint {
+                err: anyhow::anyhow!("Radicle profile not found in '{}'.", path.display()),
+                hint: "To setup your radicle profile, run `rad auth`.",
+            }
+            .into()),
+            Err(radicle::profile::Error::Config(e)) => Err(e.into()),
+            Err(e) => Err(anyhow::anyhow!("Could not load radicle profile: {e}")),
         }
-        .into()),
-        Err(radicle::profile::Error::Config(e)) => Err(e.into()),
-        Err(e) => Err(anyhow::anyhow!("Could not load radicle profile: {e}")),
     }
 }