Make failed authors parsing to not stop tree build

author.go

@@ -7,6 +7,7 @@ package main
 
 import (
 	"bufio"
+	"fmt"
 	"io"
 	"os"
 	"strings"
@@ -65,6 +66,9 @@ func (as Authors) parse(r io.Reader) ([]*Author, error) {
 			continue
 		}
 		beginMail := strings.Index(line, "<")
+		if beginMail == -1 {
+			return parsed, fmt.Errorf("expected angle bracket in line '%s'", line)
+		}
 
 		name := strings.TrimSpace(line[0 : beginMail-1])
 		email := strings.TrimSpace(line[beginMail+1 : len(line)-1])

node.go

@@ -18,6 +18,8 @@ import (
 	"strings"
 	"sync"
 	"time"
+
+	"github.com/fatih/color"
 )
 
 var (
@@ -55,7 +57,7 @@ func NewNode(path string, root string) *Node {
 	}
 
 	if err := n.loadMeta(); err != nil {
-		log.Print(err)
+		log.Print(color.New(color.FgYellow).Sprint(err))
 	}
 	return n
 }

node_tree.go

@@ -15,6 +15,8 @@ import (
 	"strings"
 	"sync"
 	"time"
+
+	"github.com/fatih/color"
 )
 
 var (
@@ -128,7 +130,8 @@ func (t *NodeTree) Sync() error {
 	if _, err := os.Stat(authorsFile); err == nil {
 		as, err = NewAuthorsFromFile(authorsFile)
 		if err != nil {
-			return err
+			log.Print(color.New(color.FgYellow).Sprintf("Failed parsing %s: %s", prettyPath(authorsFile), err))
+			as = &Authors{}
 		}
 	} else {
 		as = &Authors{}