Skip SELinux fix on non-RHEL distros like SLES

RM #4424404

Author: pgeng-nv

rshim.spec.in

@@ -78,7 +78,7 @@ make
 %endif
 
 %post
-if [ -f /etc/os-release ]; then
+if [ -f /etc/redhat-release ] && [ -f /etc/os-release ]; then
     . /etc/os-release
     RHEL_MAJOR=$(echo $VERSION_ID | cut -d '.' -f 1)
     RHEL_MINOR=$(echo $VERSION_ID | cut -d '.' -f 2)
@@ -96,7 +96,10 @@ if [ -f /etc/os-release ]; then
         echo "SELinux policy tools are not available. rshim policy update failed."
       fi
     fi
+else
+    echo "Skipping SELinux rshim policy fix on non-supported distribution."
 fi
+
 %if "%{with_systemd}" == "1"
   echo "Installation complete. To enable and start the rshim service, run:"
   echo "  systemctl daemon-reload"
@@ -117,7 +120,6 @@ fi
 
 %postun
 if [ $1 -eq 0 ] && [ -x /usr/sbin/semodule ] && semodule -l | grep -q '^rshim-fix\b'; then
-  echo "Removing SELinux rshim-fix policy..."
   semodule -r rshim-fix >/dev/null 2>&1 || true
 fi