ci-dockerfiles-sanity-check: Update from upstream

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: Ie077fcb3be27a73b96026521b92a27ccd6cd0956
diff --git a/ci-dockerfiles-deployment/build-version.sh b/ci-dockerfiles-deployment/build-version.sh
new file mode 100644
index 0000000..71657a3
--- /dev/null
+++ b/ci-dockerfiles-deployment/build-version.sh
@@ -0,0 +1,6 @@
+#!/bin/bash -e
+if [ -n "${GERRIT_PATCHSET_REVISION}" ]; then
+    echo "#${BUILD_NUMBER}-${GERRIT_PATCHSET_REVISION:0:8}" > ${WORKSPACE}/version.txt
+else
+    echo "#${BUILD_NUMBER}" > ${WORKSPACE}/version.txt
+fi
diff --git a/ci-dockerfiles-sanity-check.yaml b/ci-dockerfiles-sanity-check.yaml
index 4fda970..80c549c 100644
--- a/ci-dockerfiles-sanity-check.yaml
+++ b/ci-dockerfiles-sanity-check.yaml
@@ -70,13 +70,8 @@
     wrappers:
         - timestamps
     builders:
-        - shell: |
-            #!/bin/bash -e
-            if [ -n "${GERRIT_PATCHSET_REVISION}" ]; then
-                echo "#${BUILD_NUMBER}-${GERRIT_PATCHSET_REVISION:0:8}" > ${WORKSPACE}/version.txt
-            else
-                echo "#${BUILD_NUMBER}" > ${WORKSPACE}/version.txt
-            fi
+        - shell:
+            !include-raw: ci-dockerfiles-deployment/build-version.sh
         - build-name-setter:
             name: 'version.txt'
             file: true