From 6d2d7e7c20291e7cc352871419f3376ec0a0a123 Mon Sep 17 00:00:00 2001
From: AJ ONeal <awesome@coolaj86.com>
Date: Tue, 20 Jan 2015 23:18:12 -0700
Subject: [PATCH] move paths to bash vars

---
 setup-iojs-ubuntu.bash | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/setup-iojs-ubuntu.bash b/setup-iojs-ubuntu.bash
index f8b7911..48b6337 100644
--- a/setup-iojs-ubuntu.bash
+++ b/setup-iojs-ubuntu.bash
@@ -6,15 +6,26 @@ else
   ARCH="x86"
 fi
 
+IOJS_REMOTE="http://iojs.org/dist/${IOJS_VER}/iojs-${IOJS_VER}-linux-${ARCH}.tar.gz"
+IOJS_LOCAL="/tmp/iojs-${IOJS_VER}-linux-${ARCH}.tar.gz"
+IOJS_UNTAR="/tmp/iojs-${IOJS_VER}-linux-${ARCH}"
+
 if [ -n "${IOJS_VER}" ]; then
   echo "installing io.js as iojs ${IOJS_VER}..."
 
-  curl -fsSL "http://iojs.org/dist/${IOJS_VER}/iojs-${IOJS_VER}-linux-${ARCH}.tar.gz" \
-    -o "/tmp/iojs-${IOJS_VER}-linux-${ARCH}.tar.gz"
-  pushd /tmp >/dev/null
-  tar xf /tmp/iojs-${IOJS_VER}-linux-${ARCH}.tar.gz
-  rm iojs-${IOJS_VER}-linux-x64/{LICENSE,CHANGELOG.md,README.md}
-  sudo rsync -a "/tmp/iojs-${IOJS_VER}-linux-${ARCH}/" /usr/local/
+  if [ -n "$(which curl 2>/dev/null)" ]; then
+    curl -fsSL ${IOJS_REMOTE} -o ${IOJS_LOCAL} || echo 'error downloading io.js'
+  elif [ -n "$(which wget 2>/dev/null)" ]; then
+    wget --quiet ${IOJS_REMOTE} -O ${IOJS_LOCAL} || echo 'error downloading io.js'
+  else
+    echo "'wget' and 'curl' are missing. Please run the following command and try again"
+    echo "\tsudo apt-get install --yes curl wget"
+    exit 1
+  fi
+
+  tar xf ${IOJS_LOCAL}
+  rm ${IOJS_UNTAR}/{LICENSE,CHANGELOG.md,README.md}
+  sudo rsync -a "${IOJS_UNTAR}/" /usr/local/
 
 
   sudo chown -R $(whoami) /usr/local