packer: fuzzy search broken pipe too [GH-1314]

CHANGELOG.md

@@ -22,7 +22,8 @@ BUG FIXES:
 
   * core: nicer error message if an encrypted private key is used for
       SSH. [GH-1445]
-  * core: Fix crash that could happen with a well timed double Ctrl-C. [GH-1328]
+  * core: Fix crash that could happen with a well timed double Ctrl-C.
+      [GH-1328] [GH-1314]
   * builder/amazon-chroot: Can properly build HVM images now. [GH-1360]
   * builder/amazon-chroot: Fix crash in root device check. [GH-1360]
   * builder/amazon-instance: Fix deprecation warning for `ec2-bundle-vol`

packer/ui.go

@@ -289,7 +289,7 @@ func (u *MachineReadableUi) Machine(category string, args ...string) {
 
 	_, err := fmt.Fprintf(u.Writer, "%d,%s,%s,%s\n", now.Unix(), target, category, argsString)
 	if err != nil {
-		if err == syscall.EPIPE {
+		if err == syscall.EPIPE || strings.Contains(err.Error(), "broken pipe") {
 			// Ignore epipe errors because that just means that the file
 			// is probably closed or going to /dev/null or something.
 		} else {