feat: provide suggested help message for install

infinyon · Oct 26, 2023 · b55df98 · b55df98
1 parent 744ee4e
commit b55df98
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/crates/fluvio-version-manager/src/command/install.rs b/crates/fluvio-version-manager/src/command/install.rs
@@ -27,7 +27,7 @@ pub struct InstallOpt {
     /// Registry used to fetch Fluvio Versions
     #[arg(long, env = "HUB_REGISTRY_URL", default_value = HUB_REMOTE)]
     registry: Url,
-    /// Version to install
+    /// Version to install: stable, latest, or named-version x.y.z
     #[arg(index = 1, default_value_t = Channel::Stable)]
     version: Channel,
 }

diff --git a/crates/fluvio-version-manager/src/main.rs b/crates/fluvio-version-manager/src/main.rs
@@ -33,6 +33,7 @@ async fn main() -> Result<()> {
     name = BINARY_NAME,
     about = "Fluvio Version Manager (FVM)",
     max_term_width = 100,
+    arg_required_else_help = true,
 )]
 pub struct Cli {
     #[clap(long, short = 'q', help = "Suppress all output")]