From ec09ec8b0e70dabe216c2109e52fd21ef7fcae2b Mon Sep 17 00:00:00 2001
From: Gokberk Yaltirakli <leo@gkbrk.com>
Date: Sun, 7 Apr 2019 15:34:38 +0100
Subject: Lowercase MIME types while matching filters

---
 widgets/msgviewer.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/widgets/msgviewer.go b/widgets/msgviewer.go
index 8cd176c..711879b 100644
--- a/widgets/msgviewer.go
+++ b/widgets/msgviewer.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"os/exec"
+	"strings"
 
 	"github.com/danwakefield/fnmatch"
 	"github.com/emersion/go-imap"
@@ -108,7 +109,7 @@ func NewMessageViewer(conf *config.AercConfig, store *lib.MessageStore,
 	pager = exec.Command(cmd[0], cmd[1:]...)
 
 	for _, f := range conf.Filters {
-		mime := msg.BodyStructure.MIMEType + "/" + msg.BodyStructure.MIMESubType
+		mime := strings.ToLower(msg.BodyStructure.MIMEType) + "/" + strings.ToLower(msg.BodyStructure.MIMESubType)
 		switch f.FilterType {
 		case config.FILTER_MIMETYPE:
 			if fnmatch.Match(f.Filter, mime, 0) {
-- 
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