Support custom sorting of folders in the .folders file.

diff --git a/minc b/minc
index 3011834..0db88cf 100755 (executable)
--- a/minc
+++ b/minc
@@ -173,6 +173,13 @@ our $SCAN_P_FOLDER = 0.1;
 our $SCAN_P_MESSAGE = 0.0625;
 our $SCAN_P_FROM = 0.175;
 
+our $folder_sorter =
+  sub { my ($a,$b) = @_;
+      $a eq 'inbox' and return -1;
+      $b eq 'inbox' and return 1;
+      return $a cmp $b;
+};
+
 my $mh;
 
 $mh = `mhpath +`;
@@ -620,9 +627,7 @@ sub update_folders {
         return;
     }
 
-    print($fh "inbox\n");
-    for my $folder (sort(keys(%$folders))) {
-        $folder eq 'inbox' and next;
+    for my $folder (sort { $folder_sorter->($a,$b) } keys(%$folders)) {
         print($fh "$folder\n");
     }