move sed commands to a shell file

comanage-registry-internet2-tier-base/Dockerfile

@@ -29,9 +29,10 @@ RUN yum -y remove \
 # thus mirrorlist.centos.org is no longer required.
 # In order to install packages,
 # you have to adjust repositories from "mirrorlist" to "baseurl"
-RUN sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo \
-    sed -i s/^#.*baseurl=http/baseurl=https/g /etc/yum.repos.d/*.repo \
-    sed -i s/^mirrorlist=http/#mirrorlist=https/g /etc/yum.repos.d/*.repo
+# Rebuild shibboleth
+COPY mirrorcentos.sh /opt/mirrorcentos.sh
+RUN chmod +x /opt/mirrorcentos.sh
+RUN ["/bin/bash", "-c", "/opt/mirrorcentos.sh"]
 
 ARG PHP_VERSION=8.1.29
 ARG PHP_SRC_URL=https://github.com/php/php-src/archive/php-${PHP_VERSION}.tar.gz

comanage-registry-internet2-tier-base/mirrorcentos.sh

@@ -0,0 +1,3 @@
+sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo
+sed -i s/^#.*baseurl=http/baseurl=https/g /etc/yum.repos.d/*.repo
+sed -i s/^mirrorlist=http/#mirrorlist=https/g /etc/yum.repos.d/*.repo