fish: add '...' key binding

fish/functions/expand_dots.fish

@@ -0,0 +1,12 @@
+# https://github.com/nickeb96/puffer-fish
+function expand_dots -d 'Expand ... to ../..'
+    set -l item (string split ' ' (commandline --cut-at-cursor))[-1]
+    switch $item
+        case './*'
+            commandline --insert '.'
+        case '*..'
+            commandline --insert '/..'
+        case '*'
+            commandline --insert '.'
+    end
+end

fish/functions/fish_user_key_bindings.fish

@@ -10,4 +10,7 @@ function fish_user_key_bindings
     bind \cp __fzf_files
     bind \cg __fzf_git_log
     bind \cr __fzf_history
+
+    # Expand '...' to '../..'
+    bind . expand_dots
 end