Refactor and simplify atexit routines

lib/PBot/Core.pm

@@ -216,7 +216,6 @@ sub initialize {
     # fire all pending save events at exit
     $self->{atexit}->register(sub {
             $self->{event_queue}->execute_and_dequeue_event('save .*');
-            return;
         }
     );
 

lib/PBot/Core/Logger.pm

@@ -49,7 +49,7 @@ sub initialize {
     LOGFILE->autoflush(1);
 
     # rename logfile to start-time at exit
-    $self->{pbot}->{atexit}->register(sub { $self->rotate_log; return; });
+    $self->{pbot}->{atexit}->register(sub { $self->rotate_log });
 }
 
 sub log {

lib/PBot/Core/MessageHistory.pm

@@ -32,7 +32,7 @@ sub initialize {
 
     $self->{pbot}->{registry}->add_default('text', 'messagehistory', 'max_recall_time', $conf{max_recall_time} // 0);
 
-    $self->{pbot}->{atexit}->register(sub { $self->{database}->end(); return; });
+    $self->{pbot}->{atexit}->register(sub { $self->{database}->end });
 }
 
 sub get_message_account {

lib/PBot/Core/MessageHistory/Storage/SQLite.pm

@@ -28,6 +28,7 @@ use Time::Duration;
 
 sub initialize {
     my ($self, %conf) = @_;
+
     $self->{filename}    = $conf{filename} // $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/message_history.sqlite3';
     $self->{new_entries} = 0;
 
@@ -178,8 +179,8 @@ sub end {
     $self->{pbot}->{logger}->log("Closing message history SQLite database\n");
 
     if (exists $self->{dbh} and defined $self->{dbh}) {
-        $self->{dbh}->commit() if $self->{new_entries};
-        $self->{dbh}->disconnect();
+        $self->{dbh}->commit;
+        $self->{dbh}->disconnect;
         close $self->{trace_layer} if $self->{trace_layer};
         delete $self->{dbh};
     }
@@ -1925,7 +1926,7 @@ sub get_message_account_id {
 }
 
 sub commit_message_history {
-    my $self = shift;
+    my ($self) = @_;
 
     return if not $self->{dbh};
     return if $self->{pbot}->{child};  # don't commit() as child of fork()

lib/PBot/Core/Registerable.pm

@@ -26,10 +26,8 @@ sub initialize {
 sub execute_all {
     my $self = shift;
     foreach my $func (@{$self->{handlers}}) {
-        my $result = &{$func->{subref}}(@_);
-        return $result if defined $result;
+        $func->{subref}->(@_);
     }
-    return undef;
 }
 
 sub execute {
@@ -37,7 +35,7 @@ sub execute {
     my $ref  = shift;
     Carp::croak("Missing reference parameter to Registerable::execute") if not defined $ref;
     foreach my $func (@{$self->{handlers}}) {
-        if ($ref == $func || $ref == $func->{subref}) { return &{$func->{subref}}(@_); }
+        if ($ref == $func || $ref == $func->{subref}) { return $func->{subref}->(@_); }
     }
     return undef;
 }

lib/PBot/Core/Registry.pm

@@ -28,7 +28,7 @@ sub initialize {
     $self->{triggers} = {};
 
     # save registry data at bot exit
-    $self->{pbot}->{atexit}->register(sub { $self->save; return; });
+    $self->{pbot}->{atexit}->register(sub { $self->save });
 
     # load existing registry entries from file (if exists)
     if (-e $filename) {

lib/PBot/Core/Storage/DualIndexSQLiteObject.pm

@@ -86,6 +86,7 @@ sub end {
     $self->{pbot}->{logger}->log("Closing $self->{name} database ($self->{filename})\n");
 
     if (defined $self->{dbh}) {
+        $self->{dbh}->commit;
         $self->{dbh}->disconnect;
         close $self->{trace_layer};
         $self->{dbh} = undef;

lib/PBot/VERSION.pm

@@ -25,7 +25,7 @@ use PBot::Imports;
 # These are set by the /misc/update_version script
 use constant {
     BUILD_NAME     => "PBot",
-    BUILD_REVISION => 4348,
+    BUILD_REVISION => 4349,
     BUILD_DATE     => "2021-08-06",
 };