More output during installation

bin/install-dev-tooling

@@ -2,6 +2,13 @@
 # shellcheck disable=SC1091,SC2002,SC2207
 # vim: ft=bash
 
+if [[ $(uname -s) != "Darwin" ]]; then
+  echo -e "\e[31;1mERROR: This script is only supported on OS-X.\e[0m"
+  exit 1
+fi
+
+echo "Please wait while we install BASH dependencies..."
+
 export BASHMATIC_HOME="${BASHMATIC_HOME:-"${HOME}/.bashmatic"}"
 [[ -z ${BASHMATIC_HOME} ]] && export BASHMATIC_HOME="${HOME}/.bashmatic"
 [[ -d ${BASHMATIC_HOME} ]] || bash -c "$(curl -fsSL https://bashmatic.re1.re); bashmatic-install -q"
@@ -19,7 +26,7 @@ output.constrain-screen-width 100
 declare -g timestamp
 export timestamp="$(time.now.db)"
 
-h1 "Installing Brew Packages..."
+h3bg  "Installing Brew Packages..."
 run.set-all continue-on-error
 run "brew bundle --no-upgrade --no-lock"
 run.set-all abort-on-error
@@ -29,28 +36,39 @@ if [[ -d ~/.vim && -f ~/.vimrc ]]; then
   run "cp -p -v ~/.vimrc ~/.vimrc.${timestamp}"
 fi
 
-h1 "Installing custom vim configuration locally..."
+h3bg  "Installing custom vim configuration locally..."
 run "cp -f development/config/.vimrc ${HOME}"
 run "cp -f development/config/.vimrc.customizations ${HOME}"
 
-h1 "Installing VIM Plugins... Please wait."
+h3bg  "Installing VIM Plugins... Please wait."
 run.set-next show-output-on
 run "vim -E +PlugInstall +qall"
 
-h1 "Installing ~/.psqlrc"
+h3bg  "Installing ~/.psqlrc"
 run "mv ~/.psqlrc ~/.psqlrc.${timestamp}"
 run.set-next show-output-on
 run "cp -p -v development/config/.psqlrc* ${HOME}"
 
-h1 "Installing Ruby"
-run "brew update && brew install rbenv ruby-build"
-run "brew install jemalloc rust"
-h2 "Building Ruby... with Jemalloc & YJIT"
+export ruby_version="$(cat .ruby-version | tr -d '\n')"
 
-run.set-all abort-on-error
+if [[ -z $(rbenv versions | grep "${ruby_version}") ]]; then
+  h3bg  "Installing Ruby"
+
+  run "brew update && brew install rbenv ruby-build"
+  run "brew install jemalloc rust"
+  h2 "Building Ruby... with Jemalloc & YJIT"
+
+  run.set-all abort-on-error
+
+  unset CFLAGS
+  export RUBY_CFLAGS="-Wno-error=implicit-function-declaration"
+  run.set-next show-output-on
+  run "RUBY_CONFIGURE_OPTS='--enable-yjit --with-jemalloc' rbenv install -f ${ruby_version}"
+else
+  rbenv local "${ruby_version}"
+  success "Ruby ${ruby_version} was already installed."
+fi
+
+run.set-next abort-on-error
+[[ -f Gemfile ]] && run "bundle install -j 4"
 
-unset CFLAGS
-export RUBY_CFLAGS="-Wno-error=implicit-function-declaration"
-run.set-next show-output-on
-run "RUBY_CONFIGURE_OPTS='--enable-yjit --with-jemalloc' rbenv install -f $(cat .ruby-version | tr -d '\n')"
-run "bundle install -j 4"