Attempt to fix fzf keybindings in Ubuntu 24.04

.config/fish/config.fish

@@ -15,7 +15,13 @@ if status is-interactive
 
   abbr -a rootnvim sudo -Es nvim
 
+  if fish_version_test (fzf --version | cut -d ' ' -f 1) -gt '0.48.0'
     fzf --fish | source
+  else
+    source /usr/share/doc/fzf/examples/key-bindings.fish
+    fzf_key_bindings
+  end
+
   # keeping this in the end
   zoxide init fish | source
 end

.config/fish/functions/fish_version_test.fish

@@ -0,0 +1,37 @@
+function fish_version_test
+    if test (count $argv) = 2
+        if test -n "$version"
+            set operand_a "$version"
+        else
+            set operand_a "$FISH_VERSION"
+        end
+        set op "$argv[1]"
+        set operand_b "$argv[2]"
+    else if test (count $argv) = 3
+        set operand_a "$argv[1]"
+        set op "$argv[2]"
+        set operand_b "$argv[3]"
+    else
+        echo "fish_version_test can be called in two forms:"
+        echo "fish_version_test -op version"
+        echo "fish_version_test version_a -op version_b"
+        exit 1
+    end
+
+    set -l arg_1 (string replace --regex --all '[^\d]' '' -- "$operand_a")
+    set -l arg_2 (string replace --regex --all '[^\d]' '' -- "$operand_b")
+
+
+    set -l v_diff (math (string length -- $arg_1) - (string length -- $arg_2))
+
+    # Ensure both versions are the same length
+    if test $v_diff -gt 0
+        set arg_2 (string join '' -- "$arg_2" (string repeat -N -n $v_diff '0'))
+    else if test $v_diff -lt 0
+        set v_diff (math abs $v_diff)
+        set arg_1 (string join '' -- "$arg_1" (string repeat -N -n $v_diff '0'))
+    end
+
+    set -l cmd (string collect -- "test " "$arg_1" " $op " "$arg_2")
+    eval $cmd
+end