+sub cleanup ($) {
+ delete @{$_[0]}{qw(over mm git search)};
+}
+
+# warnings to ignore when handling spam mailboxes and maybe other places
+sub warn_ignore {
+ my $s = "@_";
+ # Email::Address::XS warnings
+ $s =~ /^Argument contains empty address at /
+ || $s =~ /^Element at index [0-9]+ contains /
+ # PublicInbox::MsgTime
+ || $s =~ /^bogus TZ offset: .+?, ignoring and assuming \+0000/
+ || $s =~ /^bad Date: .+? in /
+}
+
+# this expects to be RHS in this assignment: "local $SIG{__WARN__} = ..."
+sub warn_ignore_cb {
+ my $cb = $SIG{__WARN__} // sub { print STDERR @_ };
+ sub {
+ return if warn_ignore(@_);
+ $cb->(@_);
+ }
+}
+
+# v2+ only
+sub git_dir_n { "$_[0]->{inboxdir}/git/$_[1].git" }
+
+# v2+ only
+sub git_dir_latest {
+ my ($self, $max) = @_;
+ $$max = -1;
+ my $pfx = "$self->{inboxdir}/git";
+ return unless -d $pfx;
+ my $latest;
+ opendir my $dh, $pfx or die "opendir $pfx: $!\n";
+ while (defined(my $git_dir = readdir($dh))) {
+ $git_dir =~ m!\A([0-9]+)\.git\z! or next;
+ if ($1 > $$max) {
+ $$max = $1;
+ $latest = "$pfx/$git_dir";
+ }
+ }
+ $latest;
+}
+