Permit .molly files to specify MIME overrides.

README.md

@@ -300,11 +300,11 @@ other settings in `.molly` files will be ignored:
 * `DirectoryReverse`
 * `DirectoryTitles`
 * `GeminiExt`
+* `MimeOverrides`
 
 Future support is planned for `.molly` files to be able to override:
 
 * `CertificateZones`
-* `MimeOverrides`
 * `TempRedirects`
 * `PermRedirects`
 

config.go

@@ -30,6 +30,7 @@ type Config struct {
 
 type MollyFile struct {
 	GeminiExt        string
+	MimeOverrides    map[string]string
 	DefaultLang      string
 	DirectorySort    string
 	DirectoryReverse bool

handler.go

@@ -299,6 +299,9 @@ func parseMollyFiles(path string, info os.FileInfo, config *Config, errorLogEntr
 		config.DirectorySort = mollyFile.DirectorySort
 		config.DirectoryReverse = mollyFile.DirectoryReverse
 		config.DirectoryTitles = mollyFile.DirectoryTitles
+		for pathRegex, newType := range mollyFile.MimeOverrides {
+				config.MimeOverrides[pathRegex] = newType
+		}
 	}
 }