Split bin target wiring and add alias regression test (#26)

Author: markthom-as

cli/provenact-cli/Cargo.toml

@@ -8,7 +8,7 @@ autobins = false
 
 [[bin]]
 name = "provenact"
-path = "src/main.rs"
+path = "src/main_provenact.rs"
 
 [[bin]]
 name = "provenact-cli"

cli/provenact-cli/src/main_provenact.rs

@@ -0,0 +1 @@
+include!("main.rs");

cli/provenact-cli/tests/bin_alias.rs

@@ -0,0 +1,12 @@
+use std::process::Command;
+
+#[test]
+fn provenact_alias_binary_is_executable() {
+    let output = Command::new(env!("CARGO_BIN_EXE_provenact"))
+        .output()
+        .expect("alias binary should run");
+
+    assert!(!output.status.success());
+    let stderr = String::from_utf8_lossy(&output.stderr);
+    assert!(stderr.contains("usage:"), "{stderr}");
+}