Merge pull request #15064 from jfrazelle/14590-fix-sudo

sh -c the cat repo for yum
Upstream-commit: 0c330a7823443ebffd9bae47dc5e4e8df1c5fa70
Component: engine

components/engine/hack/install.sh

@@ -238,7 +238,7 @@ do_install() {
 			;;
 
 		fedora|centos)
-			cat >/etc/yum.repos.d/docker-${repo}.repo <<-EOF
+			$sh_c "cat >/etc/yum.repos.d/docker-${repo}.repo" <<-EOF
 			[docker-${repo}-repo]
 			name=Docker ${repo} Repository
 			baseurl=https://yum.dockerproject.org/repo/${repo}/${lsb_dist}/${dist_version}