docker: Include git repo info when running build.sh

docker/build.sh

@@ -1,14 +1,26 @@
 #! /bin/bash
 
-# This file is only here to ease testing/development. The commands in this
-# file should ultimately be moved to the corresponding commands for Cloud Build
-# in the cloudbuild.*.yaml files
+# This file is only here to ease testing/development. Official images are
+# built using the 'cloudbuild.yaml' file
 
 type -p podman > /dev/null && docker=podman || docker=docker
 
 cd $(dirname $0)/..
 
+if [ -d .git ]
+then
+    COMMIT_SHA=$(git rev-parse HEAD)
+    TAG_NAME=$(git tag --points-at HEAD)
+    REPO_NAME="Checkout of $(git remote get-url origin) at $(git describe --dirty)"
+    BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)
+fi
 for stage in graph-node-build graph-node graph-node-debug
 do
-    $docker build -t $stage --target $stage -f docker/Dockerfile .
+    $docker build --target $stage \
+            --build-arg "COMMIT_SHA=$COMMIT_SHA" \
+            --build-arg "REPO_NAME=$REPO_NAME" \
+            --build-arg "BRANCH_NAME=$BRANCH_NAME" \
+            --build-arg "TAG_NAME=$TAG_NAME" \
+            -t $stage \
+            -f docker/Dockerfile .
 done