ADDED checks for other manifest items

cmd/dep/testdata/harness_tests/ensure/empty/case1/final/Gopkg.toml

@@ -0,0 +1,7 @@
+
+# Example:
+# [[dependencies]]
+# branch = "master"
+# name = "github.com/vendor/package"
+# revision = "abc123"
+# version = "1.0.0"

cmd/dep/testdata/harness_tests/init/skip-hidden/final/Gopkg.toml

@@ -0,0 +1,7 @@
+
+# Example:
+# [[dependencies]]
+# branch = "master"
+# name = "github.com/vendor/package"
+# revision = "abc123"
+# version = "1.0.0"

manifest.go

@@ -140,6 +140,14 @@ func (m *Manifest) toRaw() rawManifest {
 	return raw
 }
 
+// IsEmpty - Checks if payload is empty
+func (m *Manifest) IsEmpty() bool {
+	if m.Ovr == nil && len(m.Ignores) == 0 && len(m.Dependencies) == 0 {
+		return true
+	}
+	return false
+}
+
 type sortedRawProjects []rawProject
 
 func (s sortedRawProjects) Len() int      { return len(s) }

txn_writer.go

@@ -27,6 +27,8 @@ const exampleToml = `
 # [[dependencies]]
 # branch = "master"
 # name = "github.com/vendor/package"
+# revision = "abc123"
+# version = "1.0.0"
 `
 
 // SafeWriter transactionalizes writes of manifest, lock, and vendor dir, both
@@ -264,6 +266,10 @@ func (sw *SafeWriter) Write(root string, sm gps.SourceManager) error {
 	defer os.RemoveAll(td)
 
 	if sw.Payload.HasManifest() {
+		if sw.Payload.Manifest.IsEmpty() {
+			err := modifyWithString(mpath, exampleToml)
+			return errors.Wrap(err, "failed to generate example text")
+		}
 		if err := writeFile(filepath.Join(td, ManifestName), sw.Payload.Manifest); err != nil {
 			return errors.Wrap(err, "failed to write manifest file to temp dir")
 		}
@@ -361,13 +367,6 @@ func (sw *SafeWriter) Write(root string, sm gps.SourceManager) error {
 		os.RemoveAll(vendorbak)
 	}
 
-	if len(sw.Payload.Manifest.Dependencies) == 0 {
-		err := modifyWithString(mpath, exampleToml)
-		if err != nil {
-			goto fail
-		}
-	}
-
 	return nil
 
 fail: