cmd/go/internal/modload: close modules.txt

Change-Id: Ieb4cf76f4d7050d2f3052c2f90e47901de74d641
GitHub-Last-Rev: 1e8dcfd6517201c3a467109ae133846cc66e053a
GitHub-Pull-Request: golang/go#66629
Reviewed-on: https://go-review.googlesource.com/c/go/+/575475
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Sam Thanawalla <samthanawalla@google.com>

diff --git a/src/cmd/go/internal/modload/init.go b/src/cmd/go/internal/modload/init.go
index 0c73b00022e4e198087f47a6d8607c67b06f9a2b..1de99015635fcd59b9c50e5d011f1cbcb9ce82ed 100644 (file)
--- a/src/cmd/go/internal/modload/init.go
+++ b/src/cmd/go/internal/modload/init.go
@@ -1465,6 +1465,7 @@ func modulesTextIsForWorkspace(vendorDir string) (bool, error) {
        if err != nil {
                return false, err
        }
+       defer f.Close()
        var buf [512]byte
        n, err := f.Read(buf[:])
        if err != nil && err != io.EOF {