Sort directory listings with directories before files

config.go

@@ -5,6 +5,7 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+
 	"github.com/BurntSushi/toml"
 )
 
@@ -27,6 +28,7 @@ type Config struct {
 	SCGIPaths        map[string]string
 	CertificateZones map[string][]string
 	DirectorySort    string
+	DirectoriesFirst bool
 	DirectoryReverse bool
 	DirectoryTitles  bool
 }
@@ -39,6 +41,7 @@ type MollyFile struct {
 	CertificateZones map[string][]string
 	DefaultLang      string
 	DirectorySort    string
+	DirectoriesFirst bool
 	DirectoryReverse bool
 	DirectoryTitles  bool
 }
@@ -63,6 +66,7 @@ func getConfig(filename string) (Config, error) {
 	config.CGIPaths = make([]string, 0)
 	config.SCGIPaths = make(map[string]string)
 	config.DirectorySort = "Name"
+	config.DirectoriesFirst = false
 
 	// Return defaults if no filename given
 	if filename == "" {
@@ -124,6 +128,7 @@ func parseMollyFiles(path string, config *Config, errorLog *log.Logger) {
 	mollyFile.GeminiExt = config.GeminiExt
 	mollyFile.DefaultLang = config.DefaultLang
 	mollyFile.DirectorySort = config.DirectorySort
+	mollyFile.DirectoriesFirst = config.DirectoriesFirst
 	mollyFile.DirectoryReverse = config.DirectoryReverse
 	mollyFile.DirectoryTitles = config.DirectoryTitles
 	// Build list of directories to check
@@ -161,6 +166,7 @@ func parseMollyFiles(path string, config *Config, errorLog *log.Logger) {
 		config.GeminiExt = mollyFile.GeminiExt
 		config.DefaultLang = mollyFile.DefaultLang
 		config.DirectorySort = mollyFile.DirectorySort
+		config.DirectoriesFirst = mollyFile.DirectoriesFirst
 		config.DirectoryReverse = mollyFile.DirectoryReverse
 		config.DirectoryTitles = mollyFile.DirectoryTitles
 		for key, value := range mollyFile.TempRedirects {

dirlist.go

@@ -42,10 +42,52 @@ func generateDirectoryListing(URL *url.URL, path string, config Config) (string,
 			i, j = j, i
 		}
 		if config.DirectorySort == "Name" {
+			if config.DirectoriesFirst {
+				if files[i].IsDir() {
+					if files[j].IsDir() {
+						return files[i].Name() < files[j].Name()
+					}
+					return true
+				}
+				if files[j].IsDir() {
+					if files[i].IsDir() {
+						return files[i].Name() < files[j].Name()
+					}
+					return false
+				}
+			}
 			return files[i].Name() < files[j].Name()
 		} else if config.DirectorySort == "Size" {
+			if config.DirectoriesFirst {
+				if files[i].IsDir() {
+					if files[j].IsDir() {
+						return files[i].Size() < files[j].Size()
+					}
+					return true
+				}
+				if files[j].IsDir() {
+					if files[i].IsDir() {
+						return files[i].Size() < files[j].Size()
+					}
+					return false
+				}
+			}
 			return files[i].Size() < files[j].Size()
 		} else if config.DirectorySort == "Time" {
+			if config.DirectoriesFirst {
+				if files[i].IsDir() {
+					if files[j].IsDir() {
+						return files[i].ModTime().Before(files[j].ModTime())
+					}
+					return true
+				}
+				if files[j].IsDir() {
+					if files[i].IsDir() {
+						return files[i].ModTime().Before(files[j].ModTime())
+					}
+					return false
+				}
+			}
 			return files[i].ModTime().Before(files[j].ModTime())
 		}
 		return false // Should not happen

example.conf

@@ -15,6 +15,7 @@
 ## Directory listing
 #
 #DirectorySort = "Time"
+#DirectoriesFirst = false
 #DirectoryReverse = true
 #DirectoryTitles = true
 #