From 3f35fb07f2d8f45f67aa5047ea6c653fd0f74fd5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Mart=C3=AD?= <mvdan@mvdan.cc>
Date: Sun, 8 Dec 2019 21:32:37 +0000
Subject: [PATCH] remove module info from the resulting binary

---
 main.go                      |  3 +++
 testdata/scripts/modinfo.txt | 26 ++++++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 testdata/scripts/modinfo.txt

diff --git a/main.go b/main.go
index a5df2e0..6fd4493 100644
--- a/main.go
+++ b/main.go
@@ -174,6 +174,9 @@ func transformCompile(args []string) ([]string, error) {
 	// log.Printf("%#v", ids)
 	var files []*ast.File
 	for _, path := range paths {
+		if strings.HasSuffix(path, "_gomod_.go") {
+			continue // don't include module info
+		}
 		file, err := parser.ParseFile(fset, path, nil, 0)
 		if err != nil {
 			return nil, err
diff --git a/testdata/scripts/modinfo.txt b/testdata/scripts/modinfo.txt
new file mode 100644
index 0000000..f7a1abf
--- /dev/null
+++ b/testdata/scripts/modinfo.txt
@@ -0,0 +1,26 @@
+exec go build
+exec ./main
+cmp stdout main.stdout-orig
+
+garble build
+exec ./main
+cmp stdout main.stdout
+! grep '\(devel\)' main
+
+-- go.mod --
+module foo.com/main
+-- main.go --
+package main
+
+import (
+	"fmt"
+	"runtime/debug"
+)
+
+func main() {
+	fmt.Println(debug.ReadBuildInfo())
+}
+-- main.stdout-orig --
+&{foo.com/main {foo.com/main (devel)  <nil>} []} true
+-- main.stdout --
+<nil> false