grpc-java/buildscripts/sync-protos.sh

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#!/bin/bash
set -e
cd "$(dirname "$0")/.."
tmpdir="$(mktemp -d)"
curl -Ls https://github.com/grpc/grpc-proto/archive/master.tar.gz | tar xz -C "$tmpdir"
base="$tmpdir/grpc-proto-master"
# Copy protos in 'src/main/proto' from grpc-proto for these projects
for project in alts grpclb services; do
while read -r proto; do
[ -f "$base/$proto" ] && cp "$base/$proto" "$project/src/main/proto/$proto"
echo "$proto"
done < <(cd "$project/src/main/proto" && find . -name "*.proto")
done | sort > "$tmpdir/grpc-java.lst"
(cd "$base" && find . -name "*.proto") | sort > "$tmpdir/base.lst"
echo "Files synced:"
comm -12 "$tmpdir/grpc-java.lst" "$tmpdir/base.lst"
echo
echo "Files in grpc-proto not synced:"
comm -13 "$tmpdir/grpc-java.lst" "$tmpdir/base.lst"
echo
echo "Files in grpc-java not synced:"
comm -23 "$tmpdir/grpc-java.lst" "$tmpdir/base.lst"
rm -r "$tmpdir"