vet: split vet-proto from vet.sh

.github/workflows/testing.yml

@@ -19,8 +19,6 @@ jobs:
   vet-proto:
     runs-on: ubuntu-latest
     timeout-minutes: 20
-    env:
-      VET_ONLY_PROTO: 1
     steps:
       # Setup the environment.
       - name: Setup Go
@@ -30,15 +28,12 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
-      # Run the vet checks.
-      - name: vet
-        run: ./vet.sh -install && ./vet.sh
+      # Run the vet-proto checks.
+      - name: vet-proto
+        run: ./scripts/vet-proto.sh -install && ./scripts/vet-proto.sh
 
   # Run the main gRPC-Go tests.
   tests:
-    # Proto checks are run in the above job.
-    env:
-      VET_SKIP_PROTO: 1
     runs-on: ubuntu-latest
     timeout-minutes: 20
     strategy:
@@ -98,7 +93,7 @@ jobs:
       # Only run vet for 'vet' runs.
       - name: Run vet.sh
         if: matrix.type == 'vet'
-        run: ./vet.sh -install && ./vet.sh
+        run: ./scripts/vet.sh -install && ./scripts/vet.sh
 
       # Main tests run for everything except when testing "extras"
       # (where we run a reduced set of tests).

CONTRIBUTING.md

@@ -66,7 +66,7 @@ How to get your contributions merged smoothly and quickly.
 - **All tests need to be passing** before your change can be merged. We
   recommend you **run tests locally** before creating your PR to catch breakages
   early on.
-  - `VET_SKIP_PROTO=1 ./vet.sh` to catch vet errors
+  - `./scripts/vet.sh` to catch vet errors
   - `go test -cpu 1,4 -timeout 7m ./...` to run the tests
   - `go test -race -cpu 1,4 -timeout 7m ./...` to run tests in race mode
 

Makefile

@@ -30,10 +30,10 @@ testdeps:
 	GO111MODULE=on go get -d -v -t google.golang.org/grpc/...
 
 vet: vetdeps
-	./vet.sh
+	./scripts/vet.sh
 
 vetdeps:
-	./vet.sh -install
+	./scripts/vet.sh -install
 
 .PHONY: \
 	all \

scripts/util.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+fail_on_output() {
+  tee /dev/stderr | not read
+}
+
+# not makes sure the command passed to it does not exit with a return code of 0.
+not() {
+  # This is required instead of the earlier (! $COMMAND) because subshells and
+  # pipefail don't work the same on Darwin as in Linux.
+  ! "$@"
+}
+
+die() {
+  echo "$@" >&2
+  exit 1
+}

scripts/vet-proto.sh

@@ -0,0 +1,34 @@
+#!/bin/bash 
+
+set -ex  # Exit on error; debugging enabled.
+set -o pipefail  # Fail a pipe if any sub-command fails.
+
+source "$(dirname $0)/util.sh" || exit 1
+
+# - Install protoc if requested.
+if [[ "$1" = "-install" ]]; then
+  if [[ "${GITHUB_ACTIONS}" = "true" ]]; then
+    PROTOBUF_VERSION=25.2 # Shows up in pb.go files as v4.22.0
+    PROTOC_FILENAME=protoc-${PROTOBUF_VERSION}-linux-x86_64.zip
+    pushd /home/runner/go
+    wget https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/${PROTOC_FILENAME}
+    unzip ${PROTOC_FILENAME}
+    bin/protoc --version
+    popd
+  else 
+    # TODO: replace with install protoc when https://github.com/grpc/grpc-go/pull/7064 is merged.
+    die "-install currently intended for use in CI only."
+  fi
+  echo SUCCESS
+  exit 0
+elif [[ "$#" -ne 0 ]]; then
+  die "Unknown argument(s): $*"
+fi
+
+
+# - Check that generated proto files are up to date.
+go generate google.golang.org/grpc/... && git status --porcelain 2>&1 | fail_on_output || \
+(git status; git --no-pager diff; exit 1)
+
+echo SUCCESS
+exit 0

vet.sh → scripts/vet.sh

@@ -3,21 +3,7 @@
 set -ex  # Exit on error; debugging enabled.
 set -o pipefail  # Fail a pipe if any sub-command fails.
 
-# not makes sure the command passed to it does not exit with a return code of 0.
-not() {
-  # This is required instead of the earlier (! $COMMAND) because subshells and
-  # pipefail don't work the same on Darwin as in Linux.
-  ! "$@"
-}
-
-die() {
-  echo "$@" >&2
-  exit 1
-}
-
-fail_on_output() {
-  tee /dev/stderr | not read
-}
+source "$(dirname $0)/util.sh" || exit 1
 
 # Check to make sure it's safe to modify the user's git repo.
 git status --porcelain | fail_on_output
@@ -39,34 +25,11 @@ if [[ "$1" = "-install" ]]; then
     honnef.co/go/tools/cmd/staticcheck \
     github.com/client9/misspell/cmd/misspell
   popd
-  if [[ -z "${VET_SKIP_PROTO}" ]]; then
-    if [[ "${GITHUB_ACTIONS}" = "true" ]]; then
-      PROTOBUF_VERSION=25.2 # a.k.a. v4.22.0 in pb.go files.
-      PROTOC_FILENAME=protoc-${PROTOBUF_VERSION}-linux-x86_64.zip
-      pushd /home/runner/go
-      wget https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/${PROTOC_FILENAME}
-      unzip ${PROTOC_FILENAME}
-      bin/protoc --version
-      popd
-    elif not which protoc > /dev/null; then
-      die "Please install protoc into your path"
-    fi
-  fi
   exit 0
 elif [[ "$#" -ne 0 ]]; then
   die "Unknown argument(s): $*"
 fi
 
-# - Check that generated proto files are up to date.
-if [[ -z "${VET_SKIP_PROTO}" ]]; then
-  make proto && git status --porcelain 2>&1 | fail_on_output || \
-    (git status; git --no-pager diff; exit 1)
-fi
-
-if [[ -n "${VET_ONLY_PROTO}" ]]; then
-  exit 0
-fi
-
 # - Ensure all source files contain a copyright message.
 # (Done in two parts because Darwin "git grep" has broken support for compound
 # exclusion matches.)