cli: promote WithHint hint type to String

Changes the `Error::WithHint::hint` field to use a `String` type instead of
`&'static str`. This allows the caller to provide extra hint
information.

To make it easier to use an `Error::with_hint` constructor is added.

crates/radicle-cli/src/commands/id.rs

@@ -136,11 +136,10 @@ pub fn run(args: Args, ctx: impl term::Context) -> anyhow::Result<()> {
                     Ok(proposal) => proposal,
                     Err(e) => match e {
                         update::error::PrivacyAllowList::Overlapping(overlap) =>anyhow::bail!("`--allow` and `--disallow` must not overlap: {overlap:?}"),
-                        update::error::PrivacyAllowList::PublicVisibility =>                         return Err(Error::WithHint {
-                            err:
+                        update::error::PrivacyAllowList::PublicVisibility => return Err(Error::with_hint(
                             anyhow!("`--allow` and `--disallow` should only be used for private repositories"),
-                            hint: "use `--visibility private` to make the repository private, or perhaps you meant to use `--delegate`/`--rescind`",
-                        }.into())
+                            "use `--visibility private` to make the repository private, or perhaps you meant to use `--delegate`/`--rescind`")
+                        .into())
                     }
                 };
                 let threshold = proposal.threshold;

crates/radicle-cli/src/commands/issue.rs

@@ -122,9 +122,8 @@ pub fn run(args: Args, ctx: impl term::Context) -> anyhow::Result<()> {
             let id = id.resolve(&repo.backend)?;
             let issue = issues
                 .get(&id)
-                .map_err(|e| Error::WithHint {
-                    err: e.into(),
-                    hint: "reset the cache with `rad issue cache` and try again",
+                .map_err(|e| {
+                    Error::with_hint(e, "reset the cache with `rad issue cache` and try again")
                 })?
                 .context("No issue with the given ID exists")?;
             term::issue::show(&issue, &id, format, args.verbose, &profile)?;

crates/radicle-cli/src/commands/patch/show.rs

@@ -33,10 +33,9 @@ pub fn run(
     workdir: Option<&git::raw::Repository>,
 ) -> anyhow::Result<()> {
     let patches = term::cob::patches(profile, stored)?;
-    let Some(patch) = patches.get(patch_id).map_err(|e| Error::WithHint {
-        err: e.into(),
-        hint: "reset the cache with `rad patch cache` and try again",
-    })?
+    let Some(patch) = patches
+        .get(patch_id)
+        .map_err(|e| Error::with_hint(e, "reset the cache with `rad patch cache` and try again"))?
     else {
         anyhow::bail!("Patch `{patch_id}` not found");
     };

crates/radicle-cli/src/commands/publish.rs

@@ -25,22 +25,20 @@ pub fn run(args: Args, ctx: impl term::Context) -> anyhow::Result<()> {
     let doc = identity.doc();
 
     if doc.is_public() {
-        return Err(term::Error::WithHint {
-            err: anyhow!("repository is already public"),
-            hint: "to announce the repository to the network, run `rad sync --inventory`",
-        }
+        return Err(term::Error::with_hint(
+            anyhow!("repository is already public"),
+            "to announce the repository to the network, run `rad sync --inventory`",
+        )
         .into());
     }
     if !doc.is_delegate(&profile.id().into()) {
         return Err(anyhow!("only the repository delegate can publish it"));
     }
     if doc.delegates().len() > 1 {
-        return Err(term::Error::WithHint {
-            err: anyhow!(
-                "only repositories with a single delegate can be published with this command"
-            ),
-            hint: "see `rad id --help` to publish repositories with more than one delegate",
-        }
+        return Err(term::Error::with_hint(
+            anyhow!("only repositories with a single delegate can be published with this command"),
+            "see `rad id --help` to publish repositories with more than one delegate",
+        )
         .into());
     }
     let signer = profile.signer()?;

crates/radicle-cli/src/terminal.rs

@@ -45,10 +45,10 @@ impl Context for DefaultContext {
     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`.",
-            }
+            Err(radicle::profile::Error::NotFound(path)) => Err(args::Error::with_hint(
+                anyhow::anyhow!("Radicle profile not found in '{}'.", path.display()),
+                "To setup your radicle profile, run `rad auth`.",
+            )
             .into()),
             Err(radicle::profile::Error::LoadConfig(e)) => Err(e.into()),
             Err(e) => Err(anyhow::anyhow!("Could not load radicle profile: {e}")),

crates/radicle-cli/src/terminal/args.rs

@@ -8,10 +8,20 @@ use radicle::prelude::{Did, NodeId, RepoId};
 pub(crate) enum Error {
     /// An error with a hint.
     #[error("{err}")]
-    WithHint {
-        err: anyhow::Error,
-        hint: &'static str,
-    },
+    WithHint { err: anyhow::Error, hint: String },
+}
+
+impl Error {
+    pub fn with_hint<E, H>(err: E, hint: H) -> Self
+    where
+        E: Into<anyhow::Error>,
+        H: ToString,
+    {
+        Self::WithHint {
+            err: err.into(),
+            hint: hint.to_string(),
+        }
+    }
 }
 
 /// Targets used in the `block` and `unblock` commands

crates/radicle-cli/src/terminal/cob.rs

@@ -108,10 +108,7 @@ fn with_hint(e: profile::Error) -> anyhow::Error {
     #[allow(clippy::wildcard_enum_match_arm)]
     match e {
         profile::Error::CobsCache(cob::cache::Error::OutOfDate) => {
-            anyhow::Error::from(terminal::args::Error::WithHint {
-                err: e.into(),
-                hint: MIGRATION_HINT,
-            })
+            terminal::args::Error::with_hint(e, MIGRATION_HINT).into()
         }
         e => anyhow::Error::from(e),
     }