hack up cheapo support for filtering from mh inbox folder

diff --git a/minc b/minc
index 2f3820e..75fa67e 100755 (executable)
--- a/minc
+++ b/minc
@@ -108,7 +108,7 @@ GetOptions(
            'r' => \$rebuild_dot_folders,
           ) or pod2usage();
 $help and pod2usage(-exitstatus=>0, -verbose=>1);
-@ARGV == 0 or pod2usage();
+@ARGV <= 1 or pod2usage();
 }
 
 our $run = !$norun;
@@ -861,7 +861,36 @@ if (!caller()) {
 
     $rebuild_dot_folders and exit(create_dot_folders);
 
-    chdir("$MAILDIR/new") or die("chdir($MAILDIR/new): $!");
+    my @files;
+    # XXX some options:
+    # a. take message numbers on stdin
+    # b. take full paths to messages on stdin
+    # c. take standard [msgs] list on command-line
+    # d. assume inc has just finished so cur points to start of new mail and
+    #    just do cur-last
+    # Hacked up b. here, but I'm not happy with it.  I'm renaming files that
+    # stay in inbox for no reason, and leaving gaping holes.  Any of the above
+    # approaches has those problems, and the solution is always the same:
+    # # Keep track of the message numbers we've renamed out of inbox
+    # my @filtered;
+    # for (@msgs) {
+    #     if (!my $new = filter($_)) {
+    #         # If @filtered is empty, this message already has the right number.
+    #         $new = shift(@filtered) || next;
+    #     }
+    #     push(@filtered, $_);
+    #     rename($_, $new);
+    # }
+
+    if (@ARGV > 0) {
+        # XXX if sticking with this approach, reject arg other than '-'
+        chomp(@files = <>);
+        @files > 0 || exit 0;
+    } else {
+        chdir("$MAILDIR/new") or die("chdir($MAILDIR/new): $!");
+        @files = getfiles('.');
+    }
+
     my %folders = filter_mail(map { $_->[1] }
                 sort { $a->[0] <=> $b->[0] }
                 map {
@@ -870,7 +899,7 @@ if (!caller()) {
                     }
                     [$st->mtime, $_]
                 }
-                getfiles('.'));
+                @files);
 
     $run and %folders and update_dot_folders(\%folders);