Add rvm support and ruby package

ruby/.config/bash/bashrc.d/rvm.sh

@@ -0,0 +1,7 @@
+# shellcheck shell=bash
+if [[ -d "${HOME}/.rvm/bin" ]]; then
+    # shellcheck disable=SC2076
+    if [[ ! "${PATH}" =~ "${HOME}/.rvm/bin" ]]; then
+        export PATH="$PATH:$HOME/.rvm/bin"
+    fi
+fi

ruby/.config/profile/profile.d/rvm.sh

@@ -0,0 +1,15 @@
+# shellcheck shell=sh
+if [ -d "${HOME}/.rvm/bin" ]; then
+    case "${PATH}" in
+        *"$HOME/.rvm/bin"*) ;;
+        *) export PATH="$PATH:$HOME/.rvm/bin" ;;
+    esac
+fi
+
+if [ "$(ps -p $$ -ocomm=)" = sh ]; then
+    if [ -f "$HOME/.rvm/scripts/rvm" ]; then
+        # Load RVM into a shell session *as a function*
+        # shellcheck disable=SC1091
+        . "$HOME/.rvm/scripts/rvm"
+    fi
+fi

ruby/.config/zsh/zshrc.d/rvm.zsh

@@ -0,0 +1,5 @@
+if [[ -d "${HOME}/.rvm/bin" ]]; then
+    if [[ ! "${PATH}" =~ "${HOME}/.rvm/bin" ]]; then
+        export PATH="$PATH:$HOME/.rvm/bin"
+    fi
+fi

ruby/.local/bin/install-rvm

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+set -eo pipefail
+
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+
+VERSION=${VERSION:-1.29.12}
+APP=rvm-installer
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+URL=https://raw.githubusercontent.com/rvm/rvm/${VERSION}/binscripts/rvm-installer
+
+RVM_KEYS="409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB"
+
+# shellcheck disable=SC2086
+gpg --recv-keys ${RVM_KEYS}
+
+mkdir_if_missing "${DEST}/${VERSION}"
+INSTALLER=${DEST}/${VERSION}/rvm-installer
+
+if [[ ! -f "${INSTALLER}" ]]; then
+    curl --silent --location --output "${INSTALLER}" "${URL}"
+    chmod +x "${INSTALLER}"
+fi
+
+set_current_link "${DEST}" "${VERSION}"
+set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+
+"${INSTALLER}" "${VERSION}"