ci - breakout firefox helpers into scripts

.circleci/config.yml

@@ -121,9 +121,7 @@ jobs:
       - checkout
       - run:
           name: Download Firefox
-          command: >
-            wget https://ftp.mozilla.org/pub/firefox/releases/58.0/linux-x86_64/en-US/firefox-58.0.tar.bz2
-            && tar xjf firefox-58.0.tar.bz2
+          command: ./.circleci/scripts/firefox-download.sh
       - save_cache:
           key: dependency-cache-firefox-{{ .Revision }}
           paths:
@@ -229,11 +227,7 @@ jobs:
           key: dependency-cache-firefox-{{ .Revision }}
       - run:
           name: Install firefox
-          command: >
-            sudo rm -r /opt/firefox
-            && sudo mv firefox /opt/firefox58
-            && sudo mv /usr/bin/firefox /usr/bin/firefox-old
-            && sudo ln -s /opt/firefox58/firefox /usr/bin/firefox
+          command: ./.circleci/scripts/firefox-install.sh
       - restore_cache:
           key: dependency-cache-{{ .Revision }}
       - restore_cache:
@@ -270,11 +264,7 @@ jobs:
           key: dependency-cache-firefox-{{ .Revision }}
       - run:
           name: Install firefox
-          command: >
-            sudo rm -r /opt/firefox
-            && sudo mv firefox /opt/firefox58
-            && sudo mv /usr/bin/firefox /usr/bin/firefox-old
-            && sudo ln -s /opt/firefox58/firefox /usr/bin/firefox
+          command: ./.circleci/scripts/firefox-install.sh
       - restore_cache:
           key: dependency-cache-{{ .Revision }}
       - restore_cache:
@@ -375,11 +365,7 @@ jobs:
           key: dependency-cache-firefox-{{ .Revision }}
       - run:
           name: Install firefox
-          command: >
-            sudo rm -r /opt/firefox
-            && sudo mv firefox /opt/firefox58
-            && sudo mv /usr/bin/firefox /usr/bin/firefox-old
-            && sudo ln -s /opt/firefox58/firefox /usr/bin/firefox
+          command: ./.circleci/scripts/firefox-install.sh
       - restore_cache:
           key: dependency-cache-{{ .Revision }}
       - run:
@@ -422,11 +408,7 @@ jobs:
           key: dependency-cache-firefox-{{ .Revision }}
       - run:
           name: Install firefox
-          command: >
-            sudo rm -r /opt/firefox
-            && sudo mv firefox /opt/firefox58
-            && sudo mv /usr/bin/firefox /usr/bin/firefox-old
-            && sudo ln -s /opt/firefox58/firefox /usr/bin/firefox
+          command: ./.circleci/scripts/firefox-install.sh
       - restore_cache:
           key: dependency-cache-{{ .Revision }}
       - run:

.circleci/scripts/firefox-download.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+echo "Downloading firefox..."
+wget https://ftp.mozilla.org/pub/firefox/releases/58.0/linux-x86_64/en-US/firefox-58.0.tar.bz2 \
+&& tar xjf firefox-58.0.tar.bz2
+echo "firefox download complete"

.circleci/scripts/firefox-install.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+echo "Installing firefox..."
+sudo rm -r /opt/firefox
+sudo mv firefox /opt/firefox58
+sudo mv /usr/bin/firefox /usr/bin/firefox-old
+sudo ln -s /opt/firefox58/firefox /usr/bin/firefox
+echo "Firefox installed."