From b95544805ef2bb044784e5bf29e58990939bb154 Mon Sep 17 00:00:00 2001
From: Lucas Gravley <29484535+admiralAwkbar@users.noreply.github.com>
Date: Mon, 22 Jun 2020 09:40:19 -0500
Subject: [PATCH] fix version to variable

---
 Dockerfile | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 1f159db1..709a7d27 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,7 +31,7 @@ RUN apk add --no-cache \
     ca-certificates less ncurses-terminfo-base \
     krb5-libs libgcc libintl libssl1.1 libstdc++ \
     tzdata userspace-rcu zlib icu-libs lttng-ust
-    
+
 #########################################
 # Install Powershell + PSScriptAnalyzer #
 #########################################
@@ -100,7 +100,9 @@ RUN gem install rubocop:0.74.0 rubocop-rails rubocop-github:0.13.0
 
 # Need to fix the version as it installs 'rubocop:0.85.1' as a dep, and forces the default
 # We then need to promote the correct version, uninstall, and fix deps
-RUN sh -c 'gem install --default rubocop:0.74.0;  yes | gem uninstall rubocop:0.85.1 -a -x -I; gem install rubocop:0.74.0'
+RUN sh -c 'INCORRECT_VERSION=$(gem list rhc -e rubocop |grep rubocop |awk "{print $2}" |cut -d"(" -f2|cut -d"," -f1); \
+  gem install --default rubocop:0.74.0; \
+  yes | gem uninstall rubocop:$INCORRECT_VERSION -a -x -I; gem install rubocop:0.74.0'
 
 ######################
 # Install shellcheck #
@@ -173,4 +175,4 @@ COPY TEMPLATES /action/lib/.automation
 ######################
 # Set the entrypoint #
 ######################
-ENTRYPOINT ["/action/lib/linter.sh"]
\ No newline at end of file
+ENTRYPOINT ["/action/lib/linter.sh"]