Reject logs paths viewing flags

src/cortex-cli/src/logs_cmd.rs

@@ -35,7 +35,7 @@ pub struct LogsCli {
     pub json: bool,
 
     /// Show log file paths instead of content
-    #[arg(long)]
+    #[arg(long, conflicts_with_all = ["follow", "level", "lines"])]
     pub paths: bool,
 
     /// Clear old log files

src/cortex-cli/tests/logs_paths_conflicts.rs

@@ -0,0 +1,58 @@
+use std::fs;
+use std::process::Command;
+
+use tempfile::tempdir;
+
+fn combined_output(output: &std::process::Output) -> String {
+    format!(
+        "{}{}",
+        String::from_utf8_lossy(&output.stdout),
+        String::from_utf8_lossy(&output.stderr)
+    )
+}
+
+#[test]
+fn logs_paths_accepts_default_lines() {
+    let home = tempdir().unwrap();
+    let cache = tempdir().unwrap();
+    let logs_dir = cache.path().join("cortex").join("logs");
+    fs::create_dir_all(&logs_dir).unwrap();
+    fs::write(logs_dir.join("cortex.log"), "log\n").unwrap();
+
+    let output = Command::new(env!("CARGO_BIN_EXE_Cortex"))
+        .args(["logs", "--paths"])
+        .env("HOME", home.path())
+        .env("XDG_CACHE_HOME", cache.path())
+        .env_remove("CORTEX_HOME")
+        .output()
+        .unwrap();
+
+    assert!(
+        output.status.success(),
+        "logs --paths should accept default --lines:\n{}",
+        combined_output(&output)
+    );
+}
+
+#[test]
+fn logs_paths_rejects_viewing_flags() {
+    for args in [
+        ["logs", "--paths", "--follow"].as_slice(),
+        ["logs", "--paths", "--level", "error"].as_slice(),
+        ["logs", "--paths", "--lines", "5"].as_slice(),
+    ] {
+        let output = Command::new(env!("CARGO_BIN_EXE_Cortex"))
+            .args(args)
+            .output()
+            .unwrap();
+
+        assert!(!output.status.success(), "expected {:?} to fail", args);
+        let output = combined_output(&output);
+        assert!(
+            output.contains("cannot be used with") || output.contains("conflict"),
+            "expected conflict error for {:?}, got:\n{}",
+            args,
+            output
+        );
+    }
+}