expfmt: only ignore io.EOF errors in TextParse.startOfLine

Signed-off-by: Andy Bursavich <abursavich@gmail.com>
prometheus · Feb 9, 2023 · ad987bb · ad987bb
1 parent f9c1994
commit ad987bb
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/expfmt/text_parse.go b/expfmt/text_parse.go
@@ -144,7 +144,9 @@ func (p *TextParser) startOfLine() stateFn {
 	if p.skipBlankTab(); p.err != nil {
 		// End of input reached. This is the only case where
 		// that is not an error but a signal that we are done.
-		p.err = nil
+		if p.err == io.EOF {
+			p.err = nil
+		}
 		return nil
 	}
 	switch p.currentByte {