1 files changed, 67 insertions, 0 deletions
diff --git a/libgo/go/cmd/go/testdata/script/mod_vendor_unused.txt b/libgo/go/cmd/go/testdata/script/mod_vendor_unused.txt
new file mode 100644
index 00000000000..96251bb25ae
--- /dev/null
+++ b/libgo/go/cmd/go/testdata/script/mod_vendor_unused.txt
@@ -0,0 +1,67 @@
+# Auxiliary test for inclusion of otherwise-unused replacements in
+# vendor/modules.txt for golang.org/issue/33848.
+# We need metadata about replacements in order to verify that modules.txt
+# remains in sync with the main module's go.mod file.
+
+env GO111MODULE=on
+
+go mod vendor
+cmp go1.14-modules.txt vendor/modules.txt
+
+-- go.mod --
+module example.com/foo
+go 1.14
+
+require (
+	example.com/a v0.1.0
+)
+
+replace (
+	example.com/a v0.1.0 => ./a
+	example.com/b v0.1.0 => ./b1
+	example.com/b v0.2.0-unused => ./b2
+	example.com/c => ./c
+	example.com/d v0.1.0 => ./d1
+	example.com/d v0.2.0 => ./d2
+	example.com/e => example.com/e v0.1.0-unused
+)
+-- foo.go --
+package foo
+import _ "example.com/a"
+-- a/go.mod --
+module example.com/a
+require (
+	example.com/b v0.1.0 // indirect
+	example.com/c v0.1.0 // indirect
+)
+-- a/a.go --
+package a
+import _ "example.com/d"
+-- b1/go.mod --
+module example.com/b
+require example.com/d v0.1.0
+-- b2/go.mod --
+module example.com/b
+require example.com/c v0.2.0
+-- c/go.mod --
+module example.com/c
+require example.com/d v0.2.0
+-- d1/go.mod --
+module example.com/d
+-- d1/d1.go --
+package d
+-- d2/go.mod --
+module example.com/d
+-- d2/d2.go --
+package d
+-- go1.14-modules.txt --
+# example.com/a v0.1.0 => ./a
+## explicit
+example.com/a
+# example.com/d v0.2.0 => ./d2
+example.com/d
+# example.com/b v0.1.0 => ./b1
+# example.com/b v0.2.0-unused => ./b2
+# example.com/c => ./c
+# example.com/d v0.1.0 => ./d1
+# example.com/e => example.com/e v0.1.0-unused