docker: include openroad version in docker images

Before:
$ docker run ...
$ openroad -version
OpenROAD HEAD-HASH-NOTFOUND

After:
$ docker run ...
$ openroad -version
v2.0-23724-ge561a140c1

Signed-off-by: Vitor Bandeira <vvbandeira@precisioninno.com>

Author: vvbandeira

docker/Dockerfile.builder

@@ -30,9 +30,10 @@ ENV PATH="/usr/local/bin/wrapped-cc:$PATH"
 
 COPY --link tools tools
 ARG numThreads=$(nproc)
+ARG openroadVersion=NotSet
 
 RUN echo "" > tools/yosys/abc/.gitcommit && \
-  ./build_openroad.sh --no_init --local --threads ${numThreads}
+  ./build_openroad.sh --no_init --local --threads ${numThreads} --openroad-args -DOPENROAD_VERSION=${openroadVersion}
 
 FROM orfs-base
 

etc/DockerHelper.sh

@@ -65,6 +65,9 @@ _setup() {
             fromImage="${FROM_IMAGE_OVERRIDE:-"${org}/flow-${os}-dev"}:${imageTag}"
             context="."
             buildArgs="--build-arg numThreads=${numThreads}"
+            orVersion=$(git -C tools/OpenROAD describe --tags)
+            echo "OpenROAD version: ${orVersion}"
+            buildArgs+=" --build-arg openroadVersion=${orVersion}"
             ;;
         "dev" )
             fromImage="${FROM_IMAGE_OVERRIDE:-$osBaseImage}"