diff --git a/chezmoi2/cmd/config.go b/chezmoi2/cmd/config.go
index 087d6aaa9be..ded1f997e05 100644
--- a/chezmoi2/cmd/config.go
+++ b/chezmoi2/cmd/config.go
@@ -1056,11 +1056,11 @@ func (c *Config) sourcePaths(s *chezmoi.SourceState, args []string) ([]string, e
 
 func (c *Config) sourceState() (*chezmoi.SourceState, error) {
 	s := chezmoi.NewSourceState(
+		chezmoi.WithDefaultTemplateDataFunc(c.defaultTemplateData),
 		chezmoi.WithDestDir(c.normalizedDestDir),
 		chezmoi.WithPriorityTemplateData(c.Data),
 		chezmoi.WithSourceDir(c.normalizedSourceDir),
 		chezmoi.WithSystem(c.sourceSystem),
-		chezmoi.WithTemplateData(c.defaultTemplateData()),
 		chezmoi.WithTemplateFuncs(c.templateFuncs),
 		chezmoi.WithTemplateOptions(c.Template.Options),
 	)
diff --git a/chezmoi2/internal/chezmoi/chezmoi_unix.go b/chezmoi2/internal/chezmoi/chezmoi_unix.go
index bda589a19ce..80b46a048ff 100644
--- a/chezmoi2/internal/chezmoi/chezmoi_unix.go
+++ b/chezmoi2/internal/chezmoi/chezmoi_unix.go
@@ -94,6 +94,8 @@ func etcHostsFQDNHostname(fs vfs.FS) (string, error) {
 			text = text[:index]
 		}
 		fields := whitespaceRx.Split(text, -1)
+		if len(fields) >= 2 && fields[0] == "127.0.1.1" {
+			return fields[1], nil
 		}
 	}
 	return "", s.Err()
@@ -112,6 +114,8 @@ func isPrivate(info os.FileInfo) bool {
 // lookupAddrFQDNHostname returns the FQDN hostname by doing a reverse lookup of
 // 127.0.1.1.
 func lookupAddrFQDNHostname() (string, error) {
+	names, err := net.LookupAddr("127.0.1.1")
+	if err != nil {
 		return "", err
 	}
 	if len(names) == 0 {
diff --git a/chezmoi2/internal/chezmoi/sourcestate.go b/chezmoi2/internal/chezmoi/sourcestate.go
index 12409926cce..96a5da047b6 100644
--- a/chezmoi2/internal/chezmoi/sourcestate.go
+++ b/chezmoi2/internal/chezmoi/sourcestate.go
@@ -25,19 +25,21 @@ type Lstater interface {
 
 // A SourceState is a source state.
 type SourceState struct {
-	entries              map[string]SourceStateEntry
-	system               System
-	sourceDir            string
-	destDir              string
-	umask                os.FileMode
-	encryptionTool       EncryptionTool
-	ignore               *patternSet
-	minVersion           semver.Version
-	priorityTemplateData map[string]interface{}
-	templateData         map[string]interface{}
-	templateFuncs        template.FuncMap
-	templateOptions      []string
-	templates            map[string]*template.Template
+	entries                 map[string]SourceStateEntry
+	system                  System
+	sourceDir               string
+	destDir                 string
+	umask                   os.FileMode
+	encryptionTool          EncryptionTool
+	ignore                  *patternSet
+	minVersion              semver.Version
+	defaultTemplateDataFunc func() map[string]interface{}
+	templateData            map[string]interface{}
+	priorityTemplateData    map[string]interface{}
+	templateDataValue       map[string]interface{}
+	templateFuncs           template.FuncMap
+	templateOptions         []string
+	templates               map[string]*template.Template
 }
 
 // A SourceStateOption sets an option on a source state.
@@ -61,7 +63,6 @@ func WithEncryptionTool(encryptionTool EncryptionTool) SourceStateOption {
 func WithPriorityTemplateData(priorityTemplateData map[string]interface{}) SourceStateOption {
 	return func(s *SourceState) {
 		recursiveMerge(s.priorityTemplateData, priorityTemplateData)
-		recursiveMerge(s.templateData, s.priorityTemplateData)
 	}
 }
 
@@ -79,11 +80,10 @@ func WithSystem(system System) SourceStateOption {
 	}
 }
 
-// WithTemplateData adds template data.
-func WithTemplateData(templateData map[string]interface{}) SourceStateOption {
+// WithDefaultTemplateDataFunc sets the default template data function.
+func WithDefaultTemplateDataFunc(defaultTemplateDataFunc func() map[string]interface{}) SourceStateOption {
 	return func(s *SourceState) {
-		recursiveMerge(s.templateData, templateData)
-		recursiveMerge(s.templateData, s.priorityTemplateData)
+		s.defaultTemplateDataFunc = defaultTemplateDataFunc
 	}
 }
 
@@ -634,7 +634,16 @@ func (s *SourceState) TargetNames() []string {
 
 // TemplateData returns s's template data.
 func (s *SourceState) TemplateData() map[string]interface{} {
-	return s.templateData
+	if s.templateDataValue == nil {
+		s.templateDataValue = make(map[string]interface{})
+		if s.defaultTemplateDataFunc != nil {
+			recursiveMerge(s.templateDataValue, s.defaultTemplateDataFunc())
+			s.defaultTemplateDataFunc = nil
+		}
+		recursiveMerge(s.templateDataValue, s.templateData)
+		recursiveMerge(s.templateDataValue, s.priorityTemplateData)
+	}
+	return s.templateDataValue
 }
 
 // addPatterns executes the template at sourcePath, interprets the result as a
@@ -690,7 +699,6 @@ func (s *SourceState) addTemplateData(sourcePath string) error {
 		return fmt.Errorf("%s: %w", sourcePath, err)
 	}
 	recursiveMerge(s.templateData, templateData)
-	recursiveMerge(s.templateData, s.priorityTemplateData)
 	return nil
 }
 
diff --git a/chezmoi2/internal/chezmoi/sourcestate_test.go b/chezmoi2/internal/chezmoi/sourcestate_test.go
index 9c2e44b3451..4ad686f9795 100644
--- a/chezmoi2/internal/chezmoi/sourcestate_test.go
+++ b/chezmoi2/internal/chezmoi/sourcestate_test.go
@@ -439,7 +439,7 @@ func TestSourceStateApplyAll(t *testing.T) {
 				},
 			},
 			sourceStateOptions: []SourceStateOption{
-				WithTemplateData(map[string]interface{}{
+				withTemplateData(map[string]interface{}{
 					"email": "you@example.com",
 				}),
 			},
@@ -512,7 +512,7 @@ func TestSourceStateApplyAll(t *testing.T) {
 				},
 			},
 			sourceStateOptions: []SourceStateOption{
-				WithTemplateData(map[string]interface{}{
+				withTemplateData(map[string]interface{}{
 					"os": "linux",
 				}),
 			},
@@ -1028,6 +1028,7 @@ func TestSourceStateRead(t *testing.T) {
 				tc.expectedSourceState.sourceDir = "/home/user/.local/share/chezmoi"
 				require.NoError(t, tc.expectedSourceState.evaluateAll())
 				s.system = nil
+				s.templateDataValue = nil
 				assert.Equal(t, tc.expectedSourceState, s)
 			})
 		})
@@ -1122,6 +1123,13 @@ func withMinVersion(minVersion semver.Version) SourceStateOption {
 	}
 }
 
+// withTemplateData adds template data.
+func withTemplateData(templateData map[string]interface{}) SourceStateOption {
+	return func(s *SourceState) {
+		recursiveMerge(s.templateData, templateData)
+	}
+}
+
 func withTemplates(templates map[string]*template.Template) SourceStateOption {
 	return func(s *SourceState) {
 		s.templates = templates