silence empty stdin (#210)

If stdin is provided, but empty, don't write anything about stdin in the report.
sbdchd · May 11, 2022 · afffabf · afffabf
1 parent c731fc6
commit afffabf
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## v0.11.2 - 2022-05-11
+
+## Fixed
+
+- silence stdin if it's empty (#210)
+
 ## v0.11.1 - 2022-05-11
 
 ## Fixed

diff --git a/cli/src/reporter.rs b/cli/src/reporter.rs
@@ -145,8 +145,13 @@ pub fn check_files(
     if is_stdin {
         info!("reading content from stdin");
         let sql = get_sql_from_stdin()?;
-        let path = stdin_path.unwrap_or_else(|| "stdin".into());
-        process_violations(&sql, &path)?;
+        // ignore stdin if it's empty.
+        if sql.trim().is_empty() {
+            let path = stdin_path.unwrap_or_else(|| "stdin".into());
+            process_violations(&sql, &path)?;
+        } else {
+            info!("ignoring empty stdin");
+        }
     }
 
     for path in paths {