Discovery: Conditionally embed latest discovery files for local cache

Conditionally embedding based on
https://github.com/golang/go/issues/44484#issuecomment-948137497

To use it, wget the discovery files into the internal/discovery
folder (same JSON name) after verifying the signature. Then build with -tags=release

1 files changed, 16 insertions, 0 deletions

diff --git a/internal/discovery/discovery_noembed.go b/internal/discovery/discovery_noembed.go
new file mode 100644
index 0000000..5c97331
--- /dev/null
+++ b/internal/discovery/discovery_noembed.go
@@ -0,0 +1,16 @@
+//go:build !release
+// +build !release
+
+package discovery
+
+// eServers are the embedded server list
+// In this case this is empty because we do not embed during development
+var eServers []byte
+
+// eOrganizations are the embedded organizations
+// In this case this is empty because we do not embed during development
+var eOrganizations []byte
+
+func init() {
+	HasCache = false
+}