[xen staging] automation: Fix containerize to understand the Alpine container

[patchbot@xxxxxxx]

commit 75b0505547f79cd16b19ca64fc92037bc23cbdf1
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu Feb 25 14:09:26 2021 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Thu Feb 25 15:22:40 2021 +0000

    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@xxxxxxxxxx>
    Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
---
 automation/scripts/containerize | 1 +
 1 file changed, 1 insertion(+)

diff --git a/automation/scripts/containerize b/automation/scripts/containerize
index da45baed4e..b7c81559fb 100755
--- 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" ;;
--
generated by git-patchbot for /home/xen/git/xen.git#staging