fix(main): warn when running the bare module; upgrade prisma (#149)

binaries/binaries.go

@@ -16,11 +16,11 @@ import (
 )
 
 // PrismaVersion is a hardcoded version of the Prisma CLI.
-const PrismaVersion = "2.0.0-alpha.1253"
+const PrismaVersion = "2.0.0-alpha.1265"
 
 // EngineVersion is a hardcoded version of the Prisma Engine.
 // The versions can be found under https://github.com/prisma/prisma-engine/commits/master.
-const EngineVersion = "c48b94aa8d1d9a0e5582dcd14e25202b76303dca"
+const EngineVersion = "4dbefe724ae6df3621eb660a5d0e0402e34189bf"
 
 // PrismaURL points to an S3 bucket URL where the CLI binaries are stored.
 var PrismaURL = "https://prisma-photongo.s3-eu-west-1.amazonaws.com/%s-%s-%s.gz"

main.go

@@ -36,6 +36,15 @@ func main() {
 
 	logger.Debug.Printf("invoking prisma")
 
+	// if this wasn't actually invoked by the prisma generator, print a warning and exit
+	if os.Getenv("PRISMA_GENERATOR_INVOCATION") == "" {
+		logger.Info.Printf("This command is only meant to be invoked internally. Please run the following instead:")
+		logger.Info.Printf("`go run github.com/prisma/prisma-client-go <command>`")
+		logger.Info.Printf("e.g.")
+		logger.Info.Printf("`go run github.com/prisma/prisma-client-go generate`")
+		os.Exit(1)
+	}
+
 	// exit when signal triggers
 	c := make(chan os.Signal)
 	signal.Notify(c, os.Interrupt, syscall.SIGTERM)