Add urlscan as alternative to urlview

Since urlview is not available with pacman but urlscan is, first check
and integrate urlscan then fallback to urlview.

.conduit.yaml

@@ -11,6 +11,7 @@
 - pacman:
     - tmux
     - xclip
+    - urlscan
 - symlink:
     - {src: tmux.conf, dst: ~/.tmux.conf}
     - {src: layouts/session-main, dst: ~/.local/share/tmux/layouts/session-main}

tmux.conf

@@ -69,8 +69,10 @@ bind -n C-k if $in_vim 'send-keys C-k' 'select-pane -U'
 bind -n C-l if $in_vim 'send-keys C-l' 'select-pane -R'
 bind -n C-\ if $in_vim 'send-keys C-\\' 'select-pane -l'
 
-# Integrate urlview
-bind u capture-pane \; split-window 'tmux show-buffer | urlview -'
+# Integrate urlscan or fallback to urlview
+if -b 'which urlscan' \
+  'bind u capture-pane \; split-window "tmux show-buffer | urlscan"' \
+  'bind u capture-pane \; split-window "tmux show-buffer | urlview -"'
 
 # Unbind copy mode defaults so pane selection works
 unbind -T copy-mode-vi C-h