Fix panic with hive path parsing and use value parser

src/cli.rs

@@ -10,7 +10,7 @@ use clap_complete::Shell;
 use const_format::{concatcp, formatcp};
 use env_logger::fmt::WriteStyle;
 
-use crate::command;
+use crate::{command, nix::HivePath};
 
 /// Base URL of the manual, without the trailing slash.
 const MANUAL_URL_BASE: &str = "https://colmena.cli.rs";
@@ -132,15 +132,8 @@ pub fn build_cli(include_internal: bool) -> ClapCommand {
             .help("Path to a Hive expression, a flake.nix, or a Nix Flake URI")
             .long_help(Some(CONFIG_HELP))
             .display_order(HELP_ORDER_FIRST)
-
+            .global(true)
-            // The default value is a lie (sort of)!
+            .value_parser(value_parser!(HivePath)))
-            //
-            // The default behavior is to search upwards from the
-            // current working directory for a file named "flake.nix"
-            // or "hive.nix". This behavior is disabled if --config/-f
-            // is explicitly supplied by the user (occurrences_of > 0).
-            .default_value("hive.nix")
-            .global(true))
         .arg(Arg::new("show-trace")
             .long("show-trace")
             .help("Show debug information for Nix commands")

src/command/nix_info.rs

@@ -1,4 +1,4 @@
-use clap::{ArgMatches, Args, FromArgMatches, Command};
+use clap::{ArgMatches, Args, Command, FromArgMatches};
 
 use crate::error::ColmenaError;
 use crate::nix::evaluator::nix_eval_jobs::get_pinned_nix_eval_jobs;

src/command/upload_keys.rs

@@ -1,6 +1,6 @@
 use clap::{Args, Command as ClapCommand};
 
-use crate::{nix::Goal, util};
+use crate::nix::Goal;
 
 pub use super::apply::run;
 use super::apply::DeployOpts;

src/nix/hive/mod.rs

@@ -122,20 +122,27 @@ impl FromStr for HivePath {
     fn from_str(s: &str) -> Result<Self, Self::Err> {
         // TODO: check for escaped colon maybe?
 
-        let path = std::path::Path::new(s);
+        let s = s.to_owned();
+        let path = std::path::PathBuf::from(&s);
+
+        let fut = async move {
+            if !path.exists() && s.contains(':') {
+                // Treat as flake URI
+                let flake = Flake::from_uri(s).await?;
+
+                log::info!("Using flake: {}", flake.uri());
+
+                Ok(Self::Flake(flake))
+            } else {
+                HivePath::from_path(path).await
+            }
+        };
+
         let handle = tokio::runtime::Handle::try_current()
             .expect("We should always be executed after we have a runtime");
-
+        std::thread::spawn(move || handle.block_on(fut))
-        if !path.exists() && s.contains(':') {
+            .join()
-            // Treat as flake URI
+            .expect("Failed to join future")
-            let flake = handle.block_on(Flake::from_uri(s))?;
-
-            log::info!("Using flake: {}", flake.uri());
-
-            Ok(Self::Flake(flake))
-        } else {
-            handle.block_on(HivePath::from_path(path))
-        }
     }
 }
 

src/util.rs

@@ -4,7 +4,6 @@ use std::error::Error;
 use std::process::Stdio;
 
 use async_trait::async_trait;
-use clap::{Arg, Command as ClapCommand};
 use futures::future::join3;
 use serde::de::DeserializeOwned;
 use tokio::io::{AsyncBufReadExt, AsyncRead, BufReader};
@@ -207,23 +206,6 @@ where
     Ok((s[..pos].parse()?, s[pos + 1..].parse()?))
 }
 
-pub fn register_selector_args(command: ClapCommand) -> ClapCommand {
-    command
-        .arg(Arg::new("on")
-            .long("on")
-            .value_name("NODES")
-            .help("Node selector")
-            .long_help(r#"Select a list of nodes to deploy to.
-
-The list is comma-separated and globs are supported. To match tags, prepend the filter by @. Valid examples:
-
-- host1,host2,host3
-- edge-*
-- edge-*,core-*
-- @a-tag,@tags-can-have-*"#)
-            .num_args(1))
-}
-
 pub async fn capture_stream<R>(
     mut stream: BufReader<R>,
     job: Option<JobHandle>,