Address feedback, make e2e-test test both source/non-source.

crates/bin/src/entry.rs

@@ -157,7 +157,10 @@ pub fn install_crates(
         desired_targets,
         resolvers,
         cargo_install_fallback,
-        bins: args.bin,
+        bins: args.bin.map(|mut bins| {
+            bins.sort();
+            bins
+        }),
 
         temp_dir: temp_dir.path().to_owned(),
         install_path,

crates/binstalk/src/ops.rs

@@ -2,6 +2,7 @@
 
 use std::{path::PathBuf, sync::Arc, time::Duration};
 
+use compact_str::CompactString;
 use semver::VersionReq;
 
 use crate::{
@@ -44,6 +45,8 @@ pub struct Options {
     pub desired_targets: DesiredTargets,
     pub resolvers: Vec<Resolver>,
     pub cargo_install_fallback: bool,
+
+    /// If provided, the names are sorted.
     pub bins: Option<Vec<CompactString>>,
 
     pub temp_dir: PathBuf,

crates/binstalk/src/ops/resolve/resolution.rs

@@ -1,5 +1,6 @@
 use std::{borrow::Cow, env, ffi::OsStr, fmt, iter, path::Path, sync::Arc};
 
+use binstalk_bins::BinFile;
 use command_group::AsyncCommandGroup;
 use compact_str::{CompactString, ToCompactString};
 use either::Either;
@@ -87,19 +88,27 @@ impl ResolutionFetch {
             current_version: self.new_version,
             source: self.source,
             target: self.fetcher.target().to_compact_string(),
-            bins: opts
+            bins: Self::resolve_bins(&opts.bins, &self.bin_files),
-                .bins
-                .as_ref()
-                .map(|bins| bins.iter().cloned().map(Into::into).collect())
-                .unwrap_or_else(|| {
-                    self.bin_files
-                        .into_iter()
-                        .map(|bin| bin.base_name)
-                        .collect()
-                }),
         })
     }
 
+    fn resolve_bins(
+        user_specified_bins: &Option<Vec<CompactString>>,
+        crate_bin_files: &[BinFile],
+    ) -> Vec<CompactString> {
+        // We need to filter crate_bin_files by user_specified_bins in case the prebuilt doesn't
+        // have featured-gated (optional) binary (gated behind feature).
+        crate_bin_files
+            .iter()
+            .map(|bin| bin.base_name.clone())
+            .filter(|bin_name| {
+                user_specified_bins
+                    .as_ref()
+                    .map_or(true, |bins| bins.binary_search(bin_name).is_ok())
+            })
+            .collect()
+    }
+
     pub fn print(&self, opts: &Options) {
         let fetcher = &self.fetcher;
         let bin_files = &self.bin_files;
@@ -190,6 +199,10 @@ impl ResolutionSource {
             cmd.arg("--no-track");
         }
 
+        if let Some(bins) = &opts.bins {
+            cmd.args(bins.iter().flat_map(|bin| ["--bin", bin.as_ref()]));
+        }
+
         debug!("Running `{}`", format_cmd(&cmd));
 
         if !opts.dry_run {

e2e-tests/specific-binaries.sh

@@ -8,8 +8,20 @@ CARGO_HOME=$(mktemp -d 2>/dev/null || mktemp -d -t 'cargo-home')
 export CARGO_HOME
 export PATH="$CARGO_HOME/bin:$PATH"
 
-# Install a specific binary (e.g., ripgrep)
+# Install a specific binary, ensuring we don't fallback to source.
-"./$1" binstall --no-confirm ripgrep --bin rg
+"./$1" binstall --no-confirm taplo-cli --bin taplo --disable-strategies compile
+
+# Verify that the binary was installed and is executable
+if ! command -v taplo >/dev/null 2>&1; then
+  echo "taplo was not installed"
+  exit 1
+fi
+
+# Run the binary to check it works
+taplo --version
+
+# Install a specific binary, but always compile from source.
+"./$1" binstall --no-confirm ripgrep --bin rg --strategies compile
 
 # Verify that the binary was installed and is executable
 if ! command -v rg >/dev/null 2>&1; then