chore(cosmos): attempt to work around fs perms

Author: michaelfig

golang/cosmos/Makefile

@@ -91,23 +91,37 @@ endif
 ###                           Protobuf                                    ###
 ###############################################################################
 
+usertag:=$(shell id -u)-$(shell id -g)
+protoImageStamp=build/proto-image-$(usertag).stamp
 protoVer=0.15.3
-protoImageName=ghcr.io/cosmos/proto-builder:$(protoVer)
-protoImage=$(DOCKER) run --rm -v $(CURDIR):/workspace --workdir /workspace $(protoImageName)
+protoSourceImageName=ghcr.io/cosmos/proto-builder:$(protoVer)
+protoImageName=$(protoSourceImageName)-user-$(usertag)
+#protoUserFlags=-e HOME=/tmp \
+#	--user=$(shell id -u):$(shell id -g) \
+#	$(shell id -G | xargs -n1 printf -- ' --group-add %s')
+protoImage=$(DOCKER) run --rm -v $(CURDIR):/workspace:z --workdir /workspace $(protoImageName)
+
+$(protoImageStamp):
+	@echo "Creating user-specific Protobuf builder image $(protoImageName)"
+	mkdir -p build/empty
+	$(DOCKER) build \
+		--build-arg NEW_UID=$(shell id -u) --build-arg SOURCE_IMAGE=$(protoSourceImageName) \
+		--pull --load -f proto/Dockerfile -t $(protoImageName) build/empty
+	@touch $(protoImageStamp)
 
 proto-all: proto-format proto-lint proto-gen
 
-proto-gen:
+proto-gen: $(protoImageStamp)
 	@echo "Generating Protobuf files"
 	@$(protoImage) sh ./scripts/protocgen.sh
 
-proto-format:
+proto-format: $(protoImageStamp)
 	@$(protoImage) find ./proto -name "*.proto" -exec clang-format -i {} \;
 
-proto-lint:
+proto-lint: $(protoImageStamp)
 	@$(protoImage) buf lint --error-format=json ./proto
 
-proto-check-breaking:
+proto-check-breaking: $(protoImageStamp)
 	@$(protoImage) buf breaking --against $(PR_TARGET_REPO)#branch=$(PR_TARGET_BRANCH),subdir=golang/cosmos
 
 GOGO_PROTO_URL = file://$(shell go list -m -f '{{ .Dir }}' github.com/cosmos/gogoproto)

golang/cosmos/proto/Dockerfile

@@ -0,0 +1,14 @@
+ARG SOURCE_IMAGE
+FROM ${SOURCE_IMAGE}
+
+ARG NEW_UID
+RUN id -u > old_uid
+USER root
+
+# Change file ownership from old UID to NEW_UID
+RUN find / -path /proc -prune -o -user $(cat old_uid) -print0 | \
+  xargs -0 -n256 chown ${NEW_UID}
+
+# Modify /etc/passwd to set the user ID to NEW_UID
+RUN sed -i -e "s/\\(^[^:]*:[^:]*:\\)$(cat old_uid)/\\1${NEW_UID}/" /etc/passwd
+USER ${NEW_UID}

golang/cosmos/scripts/protocgen.sh

@@ -5,9 +5,18 @@
 # docker run --rm -v $(pwd):/workspace --workdir /workspace cosmossdk-proto sh ./scripts/protocgen.sh
 
 set -eo pipefail
+cd proto
+
+if touch .permtest; then
+  rm -f .permtest
+else
+  echo "ERROR: Cannot write to the current directory. Please check the permissions for this user."
+  id || true
+  ls -ald . || true
+  exit 1
+fi
 
 echo "Generating gogo proto code"
-cd proto
 proto_dirs=$(find . -name '*.proto' -print0 | xargs -0 -n1 dirname | sort | uniq)
 for dir in $proto_dirs; do
   for file in $(find "${dir}" -maxdepth 1 -name '*.proto'); do