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diff --git a/oh-my-zsh/plugins/rbfu/README.md b/oh-my-zsh/plugins/rbfu/README.md
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@@ -0,0 +1,18 @@
+# rbfu plugin
+
+This plugin starts [rbfu](https://github.com/hmans/rbfu), a minimal Ruby version
+manager, and adds some useful functions.
+
+To use it, add `rbfu` to the plugins array in your zshrc file:
+
+```zsh
+plugins=(... rbfu)
+```
+
+**Note: `rbfu` is deprecated and should no longer be used.**
+
+## Functions
+
+- `rbfu-rubies`: lists all installed rubies available to rbfu.
+
+- `rvm_prompt_info`: shows the Ruby version being used with rbfu.
diff --git a/oh-my-zsh/plugins/rbfu/rbfu.plugin.zsh b/oh-my-zsh/plugins/rbfu/rbfu.plugin.zsh
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+# Enables rbfu with --auto option, if available.
+#
+# Also provides a command to list all installed/available
+# rubies. To ensure compatibility with themes, creates the
+# rvm_prompt_info function to return the $RBFU_RUBY_VERSION
+# version.
+
+command -v rbfu &>/dev/null || return
+
+eval "$(rbfu --init --auto)"
+
+# Internal: Print ruby version details, if it's currently active, etc.
+function _rbfu_rubies_print() {
+  # 1: path to ruby file
+  # 2: active ruby
+  local rb rb_out
+  rb="${$1:t}"
+  rb_out="$rb"
+
+  # If the ruby is a symlink, add @ to the name.
+  if [[ -h "$1" ]]; then
+    rb_out="${rb_out}${fg[green]}@${reset_color}"
+  fi
+
+  # If the ruby is active, add * to the name and show it in red.
+  if [[ "$rb" = "$2" ]]; then
+    rb_out="${fg[red]}${rb_out} ${fg[red]}*${reset_color}"
+  fi
+
+  echo $rb_out
+}
+
+# Public: Provide a list with all available rubies, this basically depends
+# on ~/.rfbu/rubies. Highlights the currently active ruby version and aliases.
+function rbfu-rubies() {
+  local rbfu_dir active_rb
+  rbfu_dir="${RBFU_RUBIES:-${HOME}/.rbfu/rubies}"
+  active_rb="${RBFU_RUBY_VERSION:-system}"
+
+  _rbfu_rubies_print "${rbfu_dir}/system" "$active_rb"
+  for rb in ${rbfu_dir}/*(N); do
+    _rbfu_rubies_print "$rb" "$active_rb"
+  done
+}
+
+# Public: Create rvm_prompt_info command for themes compatibility, unless
+# it has already been defined.
+(( ${+functions[rvm_prompt_info]} )) || \
+function rvm_prompt_info() { echo "${${RBFU_RUBY_VERSION:=system}:gs/%/%%}" }