mutt-1.5.23-gmail-labels.sgeb.v1.patch

diff -Naur mutt-1.5.23.orig/imap/message.c mutt-1.5.23/imap/message.c
--- mutt-1.5.23.orig/imap/message.c	2014-03-12 13:03:45.000000000 -0300
+++ mutt-1.5.23/imap/message.c	2014-04-05 15:26:27.000000000 -0300
@@ -240,7 +240,7 @@
       char *cmd;
 
       fetchlast = msgend + 1;
-      safe_asprintf (&cmd, "FETCH %d:%d (UID FLAGS INTERNALDATE RFC822.SIZE %s)",
+      safe_asprintf (&cmd, "FETCH %d:%d (UID FLAGS INTERNALDATE RFC822.SIZE X-GM-LABELS %s)",
                      msgno + 1, fetchlast, hdrreq);
       imap_cmd_start (idata, cmd);
       FREE (&cmd);
@@ -321,6 +321,7 @@
         0, 0);
       /* content built as a side-effect of mutt_read_rfc822_header */
       ctx->hdrs[idx]->content->length = h.content_length;
+      ctx->hdrs[idx]->env->x_label = h.data->labels;
       ctx->size += h.content_length;
 
 #if USE_HCACHE
@@ -1139,6 +1140,44 @@
   {
     SKIPWS (s);
 
+    if (ascii_strncasecmp ("X-GM-LABELS", s, 11) == 0)
+    {
+        s += 11;
+        SKIPWS (s);
+        ptmp = tmp;
+        s++; /* skip ( */
+        while (*s && *s != ')')
+        {
+            if (ptmp-tmp == sizeof(tmp)/sizeof(char))
+              s++;
+            else if (ascii_strncasecmp ("\"\\\\Important\"", s, 13) == 0)
+            {
+              s += 13;
+              SKIPWS (s);
+            }
+            else if (ascii_strncasecmp ("\"\\\\Starred\"", s, 11) == 0)
+            {
+              s += 11;
+              SKIPWS (s);
+            }
+            else if (ascii_strncasecmp ("\"\\\\", s, 3) == 0)
+              s += 3;
+            else if (ascii_strncasecmp ("\"", s, 1) == 0)
+              s++;
+            else
+              *ptmp++ = *s++;
+
+            if (*s == ')' && *(ptmp-1) == ' ')
+              ptmp--;
+        }
+        if (*s != ')')
+            return -1;
+        s++; /* skip ) */
+        *ptmp = 0;
+        h->data->labels = safe_strdup(tmp);
+        SKIPWS (s);
+    }
+
     if (ascii_strncasecmp ("FLAGS", s, 5) == 0)
     {
       if ((s = msg_parse_flags (h, s)) == NULL)
diff -Naur mutt-1.5.23.orig/imap/message.h mutt-1.5.23/imap/message.h
--- mutt-1.5.23.orig/imap/message.h	2014-03-12 13:03:45.000000000 -0300
+++ mutt-1.5.23/imap/message.h	2014-04-05 15:25:50.000000000 -0300
@@ -37,6 +37,8 @@
   unsigned int parsed : 1;
 
   unsigned int uid;	/* 32-bit Message UID */
+  char *labels;
+
   LIST *keywords;
 } IMAP_HEADER_DATA;