From daa8aeafaf010aac4828c5cd25301f934b768024 Mon Sep 17 00:00:00 2001
From: Hooman Yar <hooman.yar@coinbase.com>
Date: Wed, 6 Oct 2021 01:22:59 -0700
Subject: [PATCH] Add a config option to skip running "go mod tidy" on code
 generation

---
 api/generate.go          | 7 +++++--
 codegen/config/config.go | 1 +
 docs/content/config.md   | 3 +++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/api/generate.go b/api/generate.go
index 8d4b88de69d..6a85cd941ac 100644
--- a/api/generate.go
+++ b/api/generate.go
@@ -77,8 +77,11 @@ func Generate(cfg *config.Config, option ...Option) error {
 	if err = codegen.GenerateCode(data); err != nil {
 		return fmt.Errorf("generating core failed: %w", err)
 	}
-	if err = cfg.Packages.ModTidy(); err != nil {
-		return fmt.Errorf("tidy failed: %w", err)
+
+	if !cfg.SkipModTidy {
+		if err = cfg.Packages.ModTidy(); err != nil {
+			return fmt.Errorf("tidy failed: %w", err)
+		}
 	}
 
 	for _, p := range plugins {
diff --git a/codegen/config/config.go b/codegen/config/config.go
index 404befada20..56bfc6090d6 100644
--- a/codegen/config/config.go
+++ b/codegen/config/config.go
@@ -27,6 +27,7 @@ type Config struct {
 	Directives               map[string]DirectiveConfig `yaml:"directives,omitempty"`
 	OmitSliceElementPointers bool                       `yaml:"omit_slice_element_pointers,omitempty"`
 	SkipValidation           bool                       `yaml:"skip_validation,omitempty"`
+	SkipModTidy              bool                       `yaml:"skip_mod_tidy,omitempty"`
 	Sources                  []*ast.Source              `yaml:"-"`
 	Packages                 *code.Packages             `yaml:"-"`
 	Schema                   *ast.Schema                `yaml:"-"`
diff --git a/docs/content/config.md b/docs/content/config.md
index 21cfa328ffb..6ed8c900fba 100644
--- a/docs/content/config.md
+++ b/docs/content/config.md
@@ -46,6 +46,9 @@ resolver:
 # Optional: set to speed up generation time by not performing a final validation pass.
 # skip_validation: true
 
+# Optional: set to skip running `go mod tidy` when generating server code
+# skip_mod_tidy: true
+
 # gqlgen will search for any type names in the schema in these go packages
 # if they match it will use them, otherwise it will generate them.
 autobind: