Fix stdin processing on Windows

Author: jotaen

CHANGELOG.md

@@ -1,6 +1,9 @@
 # Changelog
 **Summary of changes of the command line tool**
 
+## v3.1
+- **[ FIX ]** Fix stdin processing on Windows
+
 ## v3.0
 - **[ FEATURE ]** Support multiple (named) bookmarks to quickly
   reference often-used files, e.g. `klog total @work`

src/app/retriever.go

@@ -95,7 +95,7 @@ func (retriever *stdinRetriever) Retrieve(fileArgs ...FileOrBookmarkName) ([]*fi
 		return nil, nil
 	}
 	return []*fileWithContent{{
-		File:    NewFileOrPanic("/dev/stdin"), // Fake file just to fulfill interface
+		File:    nil,
 		content: stdin,
 	}}, nil
 }

src/app/retriever_test.go

@@ -75,6 +75,7 @@ func TestReturnsStdinInput(t *testing.T) {
 		files, err := f()
 		require.Nil(t, err)
 		require.Len(t, files, 1)
+		require.Nil(t, files[0].File)
 		assert.Equal(t, "2021-01-01", files[0].content)
 	}
 }