cmd/doc: display a proper error when no packages are found
Fixes #32044
Change-Id: Ia220dbbe4d6851befe28dd2d4b8a1a7bc2757460
Reviewed-on: https://go-review.googlesource.com/c/go/+/178878
Run-TryBot: Agniva De Sarker <agniva.quicksilver@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
diff --git a/src/cmd/doc/pkg.go b/src/cmd/doc/pkg.go
index 32810bd..abc8e0b 100644
--- a/src/cmd/doc/pkg.go
+++ b/src/cmd/doc/pkg.go
@@ -129,7 +129,10 @@
log.Fatal(err)
}
// Make sure they are all in one package.
- if len(pkgs) != 1 {
+ if len(pkgs) == 0 {
+ log.Fatalf("no source-code package in directory %s", pkg.Dir)
+ }
+ if len(pkgs) > 1 {
log.Fatalf("multiple packages in directory %s", pkg.Dir)
}
astPkg := pkgs[pkg.Name]
