Merge pull request #1267 from sdr-enthusiasts/kx1t-patch-1

fix `||` issues in RUN chain

Dockerfile

@@ -98,8 +98,8 @@ RUN set -x && \
     # it is in the format ACARS Hub: v0.0.0 Build 0000
     # and we want to extract the version number and echo it out to /acarshub_version
     # get the acarshub version from the js file along with the build number
-    ACARS_VERSION=$(grep -oP 'ACARS Hub: v\K[0-9\.]+' /webapp/static/js/acarshub.*.js) || $(echo "") && \
-    ACARS_BUILD=$(grep -oP 'ACARS Hub: v\K[0-9\.]+ Build \K[0-9]+' /webapp/static/js/acarshub.*.js) || $(echo "") && \
+    { ACARS_VERSION=$(grep -oP 'ACARS Hub: v\K[0-9\.]+' /webapp/static/js/acarshub.*.js) || $(echo ""); } && \
+    { ACARS_BUILD=$(grep -oP 'ACARS Hub: v\K[0-9\.]+ Build \K[0-9]+' /webapp/static/js/acarshub.*.js) || $(echo ""); } && \
     echo "ACARS Hub: v${ACARS_VERSION} Build ${ACARS_BUILD}" && \
     # echo the version and build number to /acarshub_version
     # check and see if we have a build number and version. If not, set it to 0