feat: bootstrap_docker skips build it can pull from ecr.

build-system/scripts/build_local

@@ -63,15 +63,30 @@ for E in "${PROJECTS[@]}"; do
     fi
   fi
 
+  IMAGE_URI=$(CONSIDER_WORKING=1 calculate_image_uri $REPO)
+  ARR=(${IMAGE_URI//:/ })
+  REPO=${ARR[0]}
+  TAG=${ARR[1]}
+
   echo
   echo
   echo
-  echo "*** Building $PROJECT_DIR_NAME:$DOCKERFILE -> $REPO ***"
+  echo "*** Repository: $REPO"
+  echo "*** Tag: $TAG"
+  echo "*** Dockerfile: $DOCKERFILE"
   echo "*** Context: $PWD"
   echo
 
-  docker build ${ADDITIONAL_ARGS:-} --build-arg ARG_COMMIT_HASH=$COMMIT_HASH -f $DOCKERFILE -t $ECR_DEPLOY_URL/$REPO:latest .
-  docker tag $ECR_DEPLOY_URL/$REPO:latest aztecprotocol/$REPO:latest
+  if docker image ls --format "{{.Repository}}:{{.Tag}}" | grep -q -w $IMAGE_URI; then
+    echo "Image exists locally. Skipping."
+  else
+    if ecr_login && image_exists $REPO $TAG ; then
+      docker pull $IMAGE_URI
+    else
+      docker build ${ADDITIONAL_ARGS:-} --build-arg ARG_COMMIT_HASH=$COMMIT_HASH -f $DOCKERFILE -t $IMAGE_URI .
+      docker tag $IMAGE_URI aztecprotocol/$REPO:latest
+    fi
+  fi
 
   if [ "$PROJECT_DIR_NAME" = "$TARGET_PROJECT" ]; then
     if [ -n "$LAUNCH" ]; then

build-system/scripts/calculate_content_hash

@@ -11,9 +11,45 @@ REBUILD_PATTERNS=$(query_manifest rebuildPatterns $REPOSITORY)
 
 AWK_PATTERN=$(echo $REBUILD_PATTERNS | sed 's/ /|/g')
 cd "$(git rev-parse --show-toplevel)"
+
 # an example line is
 #   100644 da9ae2e020ea7fe3505488bbafb39adc7191559b 0       yarn-project/world-state/tsconfig.json
 # this format is beneficial as it grabs the hashes from git efficiently
 # we will next filter by our rebuild patterns
 # then we pipe the hash portion of each file to git hash-object to produce our content hash
-git ls-tree -r $COMMIT_HASH | awk -v pattern="($AWK_PATTERN)" '$4 ~ pattern {print $3}' | git hash-object --stdin
+if [ -z "${CONSIDER_WORKING:-}" ]; then
+  git ls-tree -r $COMMIT_HASH | awk -v pattern="($AWK_PATTERN)" '$4 ~ pattern {print $3}' | git hash-object --stdin
+else
+  # Create a temporary file using mktemp
+  temp_file=$(mktemp)
+
+  # Populate the temporary file with hashes from the commit
+  git ls-tree -r $COMMIT_HASH | awk -v pattern="($AWK_PATTERN)" '$4 ~ pattern {print $3 " " $4}' > "$temp_file"
+
+  # Get a list of filenames from git diff-index that match AWK_PATTERN
+  grep_pattern=$(git diff-index --name-status $COMMIT_HASH | awk -v pattern="($AWK_PATTERN)" '$2 ~ pattern {printf "%s$|", $2}')
+  grep_pattern=${grep_pattern%|}  # Remove the trailing '|'
+
+  # Use grep to exclude lines in the temporary file that match filenames from the list
+  grep -vE "$grep_pattern" "$temp_file" > "${temp_file}.tmp" && mv "${temp_file}.tmp" "$temp_file"
+
+  # Loop over the M|A files to append their new hashes
+  git diff-index --name-status $COMMIT_HASH | while read -r status file; do
+      if [[ $file =~ $AWK_PATTERN && ($status == "M" || $status == "A") ]]; then
+          echo "$(git hash-object "$file") $file" >> "$temp_file"
+      fi
+  done
+
+  # Add hashes for untracked files
+  git ls-files --others --exclude-standard | while read -r file; do
+      if [[ $file =~ $AWK_PATTERN ]]; then
+          echo "$(git hash-object "$file") $file" >> "$temp_file"
+      fi
+  done
+
+  # Sort the temporary file by filename, extract hashes, and compute the final "CONTENT_HASH"
+  sort -k2 "$temp_file" | awk '{print $1}' | git hash-object --stdin
+
+  # Cleanup
+  rm "$temp_file"
+fi