Update

.config/fish/functions/fish_greeting.fish

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+function fish_greeting
+  colorscript -e roshar
+end

.config/fish/functions/fish_user_key_bindings.fish

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+function fish_user_key_bindings
+    # Execute this once per mode that emacs bindings should be used in
+    fish_default_key_bindings -M insert
+
+    # Then execute the vi-bindings so they take precedence when there's a conflict.
+    # Without --no-erase fish_vi_key_bindings will default to
+    # resetting all bindings.
+    # The argument specifies the initial mode (insert, "default" or visual).
+    fish_vi_key_bindings --no-erase insert
+end

.config/fish/functions/sudo.fish

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+function sudo --description "Replacement for Bash 'sudo !!' command to run last command using sudo."
+    if test "$argv" = !!
+        echo sudo $history[1]
+        eval command sudo $history[1]
+    else
+        command sudo $argv
+    end
+end