go: Fix the build in non-root sandboxes

Workaround for <https://github.com/golang/go/issues/42525>

(Also related to <https://github.com/NixOS/nix/issues/3245>)

pkgs/development/compilers/go/skip-chown-tests-1.16.patch

@@ -0,0 +1,42 @@
+From 9a6718a6355d89b73011fbd1eb1bba8dcfa021e6 Mon Sep 17 00:00:00 2001
+From: regnat <rg@regnat.ovh>
+Date: Wed, 3 Nov 2021 10:17:28 +0100
+Subject: [PATCH] Disable the chown tests
+
+See https://github.com/golang/go/issues/42525 and
+https://github.com/NixOS/nix/issues/3245
+---
+ os/os_unix_test.go | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/os/os_unix_test.go b/os/os_unix_test.go
+index 51693fd..0936542 100644
+--- a/src/os/os_unix_test.go
++++ b/src/os/os_unix_test.go
+@@ -40,6 +40,7 @@ func checkUidGid(t *testing.T, path string, uid, gid int) {
+ }
+ 
+ func TestChown(t *testing.T) {
++        t.Skipf("https://github.com/golang/go/issues/42525")
+ 	// Use TempDir() to make sure we're on a local file system,
+ 	// so that the group ids returned by Getgroups will be allowed
+ 	// on the file. On NFS, the Getgroups groups are
+@@ -83,6 +84,7 @@ func TestChown(t *testing.T) {
+ }
+ 
+ func TestFileChown(t *testing.T) {
++        t.Skipf("https://github.com/golang/go/issues/42525")
+ 	// Use TempDir() to make sure we're on a local file system,
+ 	// so that the group ids returned by Getgroups will be allowed
+ 	// on the file. On NFS, the Getgroups groups are
+@@ -126,6 +128,7 @@ func TestFileChown(t *testing.T) {
+ }
+ 
+ func TestLchown(t *testing.T) {
++        t.Skipf("https://github.com/golang/go/issues/42525")
+ 	// Use TempDir() to make sure we're on a local file system,
+ 	// so that the group ids returned by Getgroups will be allowed
+ 	// on the file. On NFS, the Getgroups groups are
+-- 
+2.31.1
+