chore: fix tool dep installation for linux & macos

.github/workflows/release.yml

@@ -121,15 +121,9 @@ jobs:
       - name: Install dependencies
         run: |
           ${{ matrix.packages_install }}
-      - name: Install capnproto
+      - name: Install capnproto & protobuf needed by veilid & distrans
         run: |
-          cd /tmp
-          curl -O https://capnproto.org/capnproto-c++-1.0.2.tar.gz
-          tar zxf capnproto-c++-1.0.2.tar.gz
-          cd capnproto-c++-1.0.2
-          ./configure
-          make -j6 check
-          sudo make install
+          ./scripts/install_tools.sh
       - name: Build artifacts
         run: |
           # Actually do builds and make zips and whatnot

scripts/install_tools.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+set -eux
+
+# TODO: support windows somehow
+
+CAPNP_VERSION="1.0.2"
+PROTOC_VERSION="24.3" # Keep in sync with veilid-core/build.rs
+
+build_dir=$(mktemp -d)
+trap "rm -rf $build_dir" EXIT
+
+cd $build_dir
+mkdir -p capnp-build protoc-install
+
+# Install capnp
+pushd capnp-build
+curl -O https://capnproto.org/capnproto-c++-${CAPNP_VERSION}.tar.gz
+tar zxf capnproto-c++-${CAPNP_VERSION}.tar.gz
+cd capnproto-c++-1.0.2
+./configure
+sudo make -j6 install
+popd
+
+# Install protoc
+pushd protoc-install
+UNAME_M=$(uname -m)
+if [[ "$UNAME_M" == "x86_64" ]]; then 
+    PROTOC_ARCH=x86_64
+elif [[ "$UNAME_M" == "aarch64" ]]; then 
+    PROTOC_ARCH=aarch_64
+else 
+    echo Unsupported build architecture
+    exit 1
+fi 
+PROTOC_OS="linux"
+if [ "$(uname -o)" == "Darwin" ]; then
+    PROTOC_OS="osx"
+fi
+
+curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v$PROTOC_VERSION/protoc-$PROTOC_VERSION-$PROTOC_OS-$PROTOC_ARCH.zip
+unzip protoc-$PROTOC_VERSION-$PROTOC_OS-$PROTOC_ARCH.zip
+sudo cp -r bin include /usr/local/
+popd