Switch `grave` pop-up terminal to use Alacritty

TODO:
- Need to update existing window detection to find 'Alacritty-grave'
app_id.
- Also switch to AnyEvent::Sway

sway/popup-term.pl

@@ -6,7 +6,9 @@ use warnings;
 # Workspace to push the terminal to when dismissed
 my $hidden = 'grave';
 # Terminal application used for pop-up (swaymsg 'name')
-my $term = 'uxterm';
+my $term = 'alacritty';
+# App ID
+my $class = 'Alacritty-grave';
 
 use JSON::XS;
 my $json = JSON::XS->new();
@@ -59,14 +61,11 @@ foreach my $d (@{$root->{nodes}}) {
         }
     }
 }
-print "Active workspace = $workspace\n"
-    . "Terminal ID = $term_id\n"
-    . "Terminal WS = $term_ws\n";
 
 # If there is no terminal found, spawn one
 if (!defined($term_id)) {
     print "No term running, starting one\n";
-    exec $term
+    `$term --config-file $ENV{HOME}/.dotfiles/alacritty/grave.yml --class $class`;
 # If the current workspace is known and terminal isn't on it, bring and focus
 } elsif ($workspace != $term_ws) {
     print "Term not on current workspace, bringing it\n";