Merge branch '7030-ci-projectvars-for-replacement' into 'master'

add ci-rev-short-sha

See merge request !21

deploy_app.sh

@@ -267,6 +267,10 @@ function deploy(){
             civalue=$( cat "$cijson" | jq ".${mykey}" | tr -d '"')
             echo "ci-${mykey}=$civalue" >> "$replacefile"
     done
+
+    # "revision" must be the last mykey that this works:
+    echo "ci-rev-short-sha=${civalue:0:8}" >> "$replacefile"
+
     ls -l "$replacefile"