modules: Make the module.workspace=off as default (note)

Also, resolve any workspace file relative to the workingDir.

Fixes #10553

hugolib/hugo_sites_build_test.go

@@ -206,6 +206,7 @@ func TestMultiSitesBuild(t *testing.T) {
 		{multiSiteYAMLConfigTemplate, "yml"},
 		{multiSiteJSONConfigTemplate, "json"},
 	} {
+		config := config
 		t.Run(config.suffix, func(t *testing.T) {
 			t.Parallel()
 			doTestMultiSitesBuild(t, config.content, config.suffix)

hugolib/page_permalink_test.go

@@ -63,6 +63,7 @@ func TestPermalink(t *testing.T) {
 	}
 
 	for i, test := range tests {
+		i := i
 		test := test
 		t.Run(fmt.Sprintf("%s-%d", test.file, i), func(t *testing.T) {
 			t.Parallel()

modules/config.go

@@ -26,6 +26,8 @@ import (
 	"github.com/mitchellh/mapstructure"
 )
 
+const WorkspaceDisabled = "off"
+
 var DefaultModuleConfig = Config{
 
 	// Default to direct, which means "git clone" and similar. We
@@ -41,6 +43,9 @@ var DefaultModuleConfig = Config{
 	// treated as private.
 	Private: "*.*",
 
+	// Default is no workspace resolution.
+	Workspace: WorkspaceDisabled,
+
 	// A list of replacement directives mapping a module path to a directory
 	// or a theme component in the themes folder.
 	// Note that this will turn the component into a traditional theme component
@@ -247,6 +252,16 @@ func decodeConfig(cfg config.Provider, pathReplacements map[string]string) (Conf
 			c.Mounts[i] = mnt
 		}
 
+		if c.Workspace == "" {
+			c.Workspace = WorkspaceDisabled
+		}
+		if c.Workspace != WorkspaceDisabled {
+			c.Workspace = filepath.Clean(c.Workspace)
+			if !filepath.IsAbs(c.Workspace) {
+				workingDir := cfg.GetString("workingDir")
+				c.Workspace = filepath.Join(workingDir, c.Workspace)
+			}
+		}
 	}
 
 	if themeSet {
@@ -294,8 +309,9 @@ type Config struct {
 	// Configures GOPRIVATE.
 	Private string
 
-	// Set the workspace file to use, e.g. hugo.work.
+	// Defaults to "off".
-	// Enables Go "Workspace" mode.
+	// Set to a work file, e.g. hugo.work, to enable Go "Workspace" mode.
+	// Can be relative to the working directory or absolute.
 	// Requires Go 1.18+
 	// See https://tip.golang.org/doc/go1.18
 	Workspace string

modules/config_test.go

@@ -44,13 +44,13 @@ func TestDecodeConfig(t *testing.T) {
 
 	c.Run("Basic", func(c *qt.C) {
 		tomlConfig := `
+workingDir = "/src/project"
 [module]
-
+workspace = "hugo.work"
 [module.hugoVersion]
 min = "0.54.2"
 max = "0.199.0"
 extended = true
-
 [[module.mounts]]
 source="src/project/blog"
 target="content/blog"
@@ -83,6 +83,8 @@ lang="en"
 			c.Assert(hv.IsValid(), qt.Equals, true)
 		}
 
+		c.Assert(mcfg.Workspace, qt.Equals, "/src/project/hugo.work")
+
 		c.Assert(len(mcfg.Mounts), qt.Equals, 1)
 		c.Assert(len(mcfg.Imports), qt.Equals, 1)
 		imp := mcfg.Imports[0]
@@ -90,6 +92,7 @@ lang="en"
 		c.Assert(imp.Mounts[1].Source, qt.Equals, "src/markdown/blog")
 		c.Assert(imp.Mounts[1].Target, qt.Equals, "content/blog")
 		c.Assert(imp.Mounts[1].Lang, qt.Equals, "en")
+
 	})
 
 	c.Run("Replacements", func(c *qt.C) {