do not fail on partial input; extend logging

2 files changed, 13 insertions, 4 deletions

diff --git a/skate/cmd/skate-reduce/main.go b/skate/cmd/skate-reduce/main.go
index 6c69121..eb84e38 100644
--- a/skate/cmd/skate-reduce/main.go
+++ b/skate/cmd/skate-reduce/main.go
@@ -55,6 +55,7 @@ var (
 	batchSize  = flag.Int("b", 10000, "batch size")
 	mode       = flag.String("m", "ref", "mode, e.g. exact, verify, ref, bref, wiki")
 	quite      = flag.Bool("q", false, "be quite")
+	logFile    = flag.String("log", "", "log filename")
 
 	// Possible inputs -- we could switch to a subcommand cli parser?
 	refs     = flag.String("F", "", "path to refs input")
@@ -74,6 +75,14 @@ var (
 
 func main() {
 	flag.Parse()
+	if *logFile != "" {
+		f, err := os.OpenFile(*logFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer f.Close()
+		log.SetOutput(f)
+	}
 	if *quite {
 		log.SetOutput(ioutil.Discard)
 	}
diff --git a/skate/zippy.go b/skate/zippy.go
index 237162f..db64ad1 100644
--- a/skate/zippy.go
+++ b/skate/zippy.go
@@ -40,13 +40,13 @@ func ZippyExact(releases, refs io.Reader, matchResult MatchResult, w io.Writer)
 				return nil
 			}
 			if target, err = stringToRelease(cut(g.G0[0], "\t", 2)); err != nil {
-				groupLogf(g, "failed to parse release: %v", err)
-				return err
+				groupLogf(g, "[skip] failed to parse release: %v", err)
+				continue
 			}
 			for _, line := range g.G1 {
 				if ref, err = stringToRef(cut(line, "\t", 2)); err != nil {
-					groupLogf(g, "failed to parse ref: %v", err)
-					return err
+					groupLogf(g, "[skip] failed to parse ref: %v", err)
+					continue
 				}
 				var bref BiblioRef
 				bref.SourceReleaseIdent = ref.ReleaseIdent