Respect executable name in uvx --from tool@latest

crates/uv/src/commands/tool/run.rs

@@ -413,6 +413,7 @@ fn warn_executable_not_provided_by_package(
 
 // Clippy isn't happy about the difference in size between these variants, but
 // [`ToolRequirement::Package`] is the more common case and it seems annoying to box it.
+#[derive(Debug)]
 #[allow(clippy::large_enum_variant)]
 pub(crate) enum ToolRequirement {
     Python,
@@ -528,7 +529,6 @@ async fn get_or_create_environment(
             // Ex) `ruff>=0.6.0`
             Target::Unspecified(requirement) => {
                 let spec = RequirementsSpecification::parse_package(requirement)?;
-                debug!("{:?}", spec);
                 if let UnresolvedRequirement::Named(requirement) = &spec.requirement {
                     if requirement.name.as_str() == "python" {
                         return Err(anyhow::anyhow!(
@@ -567,9 +567,12 @@ async fn get_or_create_environment(
                 (executable, requirement)
             }
             // Ex) `[email protected]`
-            Target::Version(executable, name, extras, version) => (
-                (*executable).to_string(),
-                Requirement {
+            Target::Version(executable, name, extras, version) => {
+                let executable = request
+                    .executable
+                    .map(ToString::to_string)
+                    .unwrap_or_else(|| (*executable).to_string());
+                let requirement = Requirement {
                     name: name.clone(),
                     extras: extras.clone(),
                     groups: vec![],
@@ -582,12 +585,17 @@ async fn get_or_create_environment(
                         conflict: None,
                     },
                     origin: None,
-                },
-            ),
+                };
+
+                (executable, requirement)
+            }
             // Ex) `ruff@latest`
-            Target::Latest(executable, name, extras) => (
-                (*executable).to_string(),
-                Requirement {
+            Target::Latest(executable, name, extras) => {
+                let executable = request
+                    .executable
+                    .map(ToString::to_string)
+                    .unwrap_or_else(|| (*executable).to_string());
+                let requirement = Requirement {
                     name: name.clone(),
                     extras: extras.clone(),
                     groups: vec![],
@@ -598,8 +606,10 @@ async fn get_or_create_environment(
                         conflict: None,
                     },
                     origin: None,
-                },
-            ),
+                };
+
+                (executable, requirement)
+            }
         };
 
         ToolRequirement::Package {

crates/uv/tests/it/tool_run.rs

@@ -1763,3 +1763,50 @@ fn tool_run_python_from() {
     error: Using `--from python<specifier>` is not supported. Use `python@<version>` instead.
     "###);
 }
+
+#[test]
+fn tool_run_from_at() {
+    let context = TestContext::new("3.12")
+        .with_exclude_newer("2025-01-18T00:00:00Z")
+        .with_filtered_exe_suffix();
+    let tool_dir = context.temp_dir.child("tools");
+    let bin_dir = context.temp_dir.child("bin");
+
+    uv_snapshot!(context.filters(), context.tool_run()
+        .arg("--from")
+        .arg("executable-application@latest")
+        .arg("app")
+        .arg("--version")
+        .env(EnvVars::UV_TOOL_DIR, tool_dir.as_os_str())
+        .env(EnvVars::XDG_BIN_HOME, bin_dir.as_os_str()), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    app 0.3.0
+
+    ----- stderr -----
+    Resolved 1 package in [TIME]
+    Prepared 1 package in [TIME]
+    Installed 1 package in [TIME]
+     + executable-application==0.3.0
+    "###);
+
+    uv_snapshot!(context.filters(), context.tool_run()
+        .arg("--from")
+        .arg("[email protected]")
+        .arg("app")
+        .arg("--version")
+        .env(EnvVars::UV_TOOL_DIR, tool_dir.as_os_str())
+        .env(EnvVars::XDG_BIN_HOME, bin_dir.as_os_str()), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    app 0.2.0
+
+    ----- stderr -----
+    Resolved 1 package in [TIME]
+    Prepared 1 package in [TIME]
+    Installed 1 package in [TIME]
+     + executable-application==0.2.0
+    "###);
+}