go/packages: handle potential nil pointer error
Change-Id: I2b889e1d5ec07d9271292c58b896f6c0c7155cf3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179220
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
diff --git a/go/packages/golist.go b/go/packages/golist.go
index 5389849..72c0c5d 100644
--- a/go/packages/golist.go
+++ b/go/packages/golist.go
@@ -172,7 +172,19 @@
// Check candidate packages for containFiles.
if len(containFiles) > 0 {
for _, id := range containsCandidates {
- pkg := response.seenPackages[id]
+ pkg, ok := response.seenPackages[id]
+ if !ok {
+ response.addPackage(&Package{
+ ID: id,
+ Errors: []Error{
+ {
+ Kind: ListError,
+ Msg: fmt.Sprintf("package %s expected but not seen", id),
+ },
+ },
+ })
+ continue
+ }
for _, f := range containFiles {
for _, g := range pkg.GoFiles {
if sameFile(f, g) {
