Fix hugo mod vendor for modules with hugo.toml

Fixes #11221

main_test.go

@@ -50,6 +50,7 @@ func TestUnfinished(t *testing.T) {
 
 	p := commonTestScriptsParam
 	p.Dir = "testscripts/unfinished"
+	//p.UpdateScripts = true
 
 	testscript.Run(t, p)
 }

modules/client.go

@@ -292,8 +292,10 @@ func (c *Client) Vendor() error {
 			}
 		}
 
-		// Also include any theme.toml or config.* files in the root.
+		// Also include any theme.toml or config.* or hugo.* files in the root.
 		configFiles, _ := afero.Glob(c.fs, filepath.Join(dir, "config.*"))
+		configFiles2, _ := afero.Glob(c.fs, filepath.Join(dir, "hugo.*"))
+		configFiles = append(configFiles, configFiles2...)
 		configFiles = append(configFiles, filepath.Join(dir, "theme.toml"))
 		for _, configFile := range configFiles {
 			if err := hugio.CopyFile(c.fs, configFile, filepath.Join(vendorDir, t.Path(), filepath.Base(configFile))); err != nil {

testscripts/commands/mod_vendor.txt

@@ -0,0 +1,24 @@
+dostounix golden/vendor.txt
+
+hugo mod vendor
+cmp _vendor/modules.txt golden/vendor.txt
+ls _vendor/github.com/gohugoio/hugo-mod-integrationtests/withconfigtoml
+stdout 'config.toml'
+ls _vendor/github.com/gohugoio/hugo-mod-integrationtests/withhugotoml
+stdout 'hugo.toml'
+
+
+-- hugo.toml --
+title = "Hugo Modules Test"
+[module]
+[[module.imports]]
+path="github.com/gohugoio/hugo-mod-integrationtests/withconfigtoml"
+[[module.imports]]
+path="github.com/gohugoio/hugo-mod-integrationtests/withhugotoml"
+-- go.mod --
+go 1.19
+
+module github.com/gohugoio/testmod
+-- golden/vendor.txt --
+# github.com/gohugoio/hugo-mod-integrationtests/withconfigtoml v1.0.0
+# github.com/gohugoio/hugo-mod-integrationtests/withhugotoml v1.0.0