From 77ac3347bea6eb72fc7ba887896e02276cea51ec Mon Sep 17 00:00:00 2001
From: Abhishek Ranjan <aranjans@google.com>
Date: Tue, 28 May 2024 12:09:54 +0530
Subject: [PATCH] Responded to Arvind's comment

---
 scripts/install_protoc.sh | 24 ++++++++++++------------
 scripts/regenerate.sh     |  7 +++----
 scripts/vet-proto.sh      | 13 +++++--------
 3 files changed, 20 insertions(+), 24 deletions(-)

diff --git a/scripts/install_protoc.sh b/scripts/install_protoc.sh
index 127150496e21..e849dd400fe1 100755
--- a/scripts/install_protoc.sh
+++ b/scripts/install_protoc.sh
@@ -17,8 +17,7 @@ set -eu -o pipefail
 
 source "$(dirname $0)/vet-common.sh"
 
-# Perform installation of protoc from source based on OS.
-
+# The version of protoc that will be installed.
 PROTOC_VERSION="25.2"
 
 # Function to download pre-built binaries for Linux with
@@ -32,7 +31,7 @@ download_binary() {
           return
         else
           echo "Existing protoc version ($installed_version) differs. Kindly make sure you have $PROTOC_VERSION installed."
-#          exit 1
+          exit 1
         fi
       else
         echo "Unable to determine installed protoc version. Starting the installation."
@@ -46,18 +45,19 @@ download_binary() {
   rm "protoc-${PROTOC_VERSION}-$2-$1.zip"
 }
 
-# Determine architecture
-if [[ $(uname -m) == "x86_64" ]]; then
-  ARCH="x86_64"
-elif [[ $(uname -m) == "aarch64" ]] || [[ $(uname -m) == "arm64" ]] ; then
-  ARCH="aarch_64"
-else
-  die "Unsupported architecture. Please consider manual installation."
-fi
+# Detect the architecture
+case "$(uname -m)" in
+  "x86_64") ARCH="x86_64";;
+  "aarch64") ARCH="aarch_64";;
+  "arm64") ARCH="aarch_64";;
+*) die "Unsupported architecture. Please consider manual installation from \
+       https://github.com/protocolbuffers/protobuf/releases/ and add to PATH."
+esac
+
 # Detect the Operating System
 case "$(uname -s)" in
   "Darwin") download_binary $ARCH "osx" "$1";;
   "Linux") download_binary $ARCH "linux" "$1";;
-*) echo "Please consider manual installation from \
+*) die "Unsupported OS. Please consider manual installation from \
    https://github.com/protocolbuffers/protobuf/releases/ and add to PATH" ;;
 esac
diff --git a/scripts/regenerate.sh b/scripts/regenerate.sh
index 1c14d69a9a18..afece6530e41 100755
--- a/scripts/regenerate.sh
+++ b/scripts/regenerate.sh
@@ -20,13 +20,13 @@ WORKDIR=$(mktemp -d)
 function finish {
   rm -rf "$WORKDIR"
   # Revert back the PATH to client's original value
-  export PATH=$RESTORED_PATH
-  echo "Restored PATH to older value: $PATH"
+  export PATH=$ORIGINAL_PATH
+  echo "Restored PATH variable to original value."
 }
 trap finish EXIT
 
 GOBIN="${WORKDIR}"/bin
-RESTORED_PATH=$PATH
+ORIGINAL_PATH=$PATH
 export PATH="${GOBIN}:${PATH}"
 mkdir -p "${GOBIN}"
 
@@ -52,7 +52,6 @@ mkdir -p "${WORKDIR}/googleapis/google/rpc"
 echo "curl https://raw.githubusercontent.com/googleapis/googleapis/master/google/rpc/code.proto"
 curl --silent https://raw.githubusercontent.com/googleapis/googleapis/master/google/rpc/code.proto > "${WORKDIR}/googleapis/google/rpc/code.proto"
 
-#chmod +x ./scripts/install_protoc.sh
 source ./scripts/install_protoc.sh $WORKDIR
 
 mkdir -p "${WORKDIR}/out"
diff --git a/scripts/vet-proto.sh b/scripts/vet-proto.sh
index 89cd2e2757d9..f3ecbd4b84ec 100755
--- a/scripts/vet-proto.sh
+++ b/scripts/vet-proto.sh
@@ -20,14 +20,11 @@ trap cleanup EXIT
 # consistent with the place where all binaries installed by scripts in this repo
 # go.)
 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-${PROTOBUF_VERSION}-linux-x86_64.zip
-    source ./scripts/install_protoc.sh "/home/runner/go"
-  else
-    # TODO: replace with install protoc when https://github.com/grpc/grpc-go/pull/7064 is merged.
-    die "-install currently intended for use in CI only."
-  fi
+    if [[ "${GITHUB_ACTIONS}" = "true" ]]; then
+      source ./scripts/install_protoc.sh "/home/runner/go"
+    else
+      die "run protoc installer https://github.com/grpc/grpc-go/scripts/install_protoc.sh."
+    fi
   echo SUCCESS
   exit 0
 elif [[ "$#" -ne 0 ]]; then