plugins/asdf: Add asdf extendable version manager plugin

completions/asdf.completion.sh

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+#! bash oh-my-bash.module
+# Bash completion support for the `asdf` command.
+# Depends on the `asdf` plugin.
+
+# Only load the completions if the ASDF_DIR variable was set.
+if [[ ${ASDF_DIR+set} ]]; then
+  . "$ASDF_DIR/completions/asdf.bash"
+fi

plugins/README.md

@@ -26,6 +26,7 @@ By leveraging these plugins, you can streamline your workflow and tackle coding
 | Plugin          | Description                                                                                                         |
 | --------------- | ------------------------------------------------------------------------------------------------------------------- |
 | ansible         | Configuration management tool used to automate the provisioning, configuration, and management of computer systems. |
+| [asdf](asdf)    | [asdf](https://asdf-vm.com) is a tool version manager to allow installing different versions of Node.js, Ruby, Golang, etc.
 | aws             | Tools for interacting with Amazon Web Services (AWS)                                                                |
 | bash-preexec    | Tool allowing execution of commands before they are executed in Bash.                                               |
 | bashmarks       | Utility facilitating directory navigation via bookmarks in Bash.                                                    |

plugins/asdf/README.md

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+# asdf plugin
+
+Add [oh-my-bash](https://ohmybash.github.io) integration with [asdf](https://github.com/asdf-vm/asdf), the extendable version manager, with support for Ruby, Node.js, Elixir, Erlang and more.
+
+## Installation
+
+1. [Install asdf](https://github.com/asdf-vm/asdf#setup) by running the following:
+    ``` bash
+    git clone https://github.com/asdf-vm/asdf.git ~/.asdf
+    ```
+
+2. Enable the plugin by adding it to your oh-my-bash `plugins` definition in `~/.bashrc`.
+    ``` sh
+    plugins=(asdf)
+    ```
+
+2. Enable the completions by adding it to your oh-my-bash `completions` definition in `~/.bashrc`.
+    ``` sh
+    completions=(asdf)
+    ```
+
+## Usage
+
+See the [asdf usage documentation](https://github.com/asdf-vm/asdf#usage) for information on how to use asdf:
+
+``` bash
+asdf plugin add nodejs
+asdf install nodejs latest
+```

plugins/asdf/asdf.plugin.sh

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+#! bash oh-my-bash.module
+# asdf.plugin.sh: asdf plugin for oh-my-bash.
+# Author: @RobLoach (https://github.com/robloach)
+# Author: @prodrigues1912 (https://github.com/prodrigues1912)
+# Originally suggested in https://github.com/ohmybash/oh-my-bash/pull/310
+# Fork of the oh-my-zsh asdf plugin
+
+# Custom ASDF_DIR location
+if [[ ${ASDF_DIR+set} ]]; then
+  . "$ASDF_DIR/asdf.sh"
+
+# Home
+elif [[ -f "$HOME/.asdf/asdf.sh" ]]; then
+  ASDF_DIR="$HOME/.asdf"
+  . "${ASDF_DIR}/asdf.sh"
+
+# Config
+elif [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/asdf/asdf.sh" ]]; then
+  ASDF_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/asdf"
+  . "${ASDF_DIR}/asdf.sh"
+
+# Arch Linux / AUR Package
+elif [[ -f "/opt/asdf-vm/asdf.sh" ]]; then
+  ASDF_DIR="/opt/asdf-vm"
+  . /opt/asdf-vm/asdf.sh
+
+# Homebrew
+elif _omb_util_command_exists brew; then
+  _omb_plugin_asdf__prefix="$(brew --prefix asdf)"
+  if [[ -f "$_omb_plugin_asdf__prefix/libexec/asdf.sh" ]]; then
+    ASDF_DIR="$_omb_plugin_asdf__prefix/libexec"
+    . "$ASDF_DIR/asdf.sh"
+  fi
+  unset -v _omb_plugin_asdf__prefix
+fi