automation: Fix containerize to understand the Alpine container

This was missing from the work to add the alpine container.

Fixes: a9afe7768bd ("automation: add alpine linux 3.12 x86 build container")
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Release-Acked-by: Ian Jackson <iwj@xenproject.org>

diff --git a/automation/scripts/containerize b/automation/scripts/containerize
index da45baed4e0bf26ee5956fcb3ff76e366317a72e..b7c81559fb6379bb02bf25d0be89336fec695ce6 100755 (executable)
--- a/automation/scripts/containerize
+++ b/automation/scripts/containerize
@@ -24,6 +24,7 @@ die() {
 #
 BASE="registry.gitlab.com/xen-project/xen"
 case "_${CONTAINER}" in
+    _alpine) CONTAINER="${BASE}/alpine:3.12" ;;
     _archlinux|_arch) CONTAINER="${BASE}/archlinux:current" ;;
     _centos7) CONTAINER="${BASE}/centos:7" ;;
     _centos72) CONTAINER="${BASE}/centos:7.2" ;;