build homebrew bottles for Mac (arm64 and amd64)

Makefile

@@ -100,6 +100,9 @@ release-build: deps ## Build release binaries
 	@mkdir -p $(BUILD_DIR)/release/
 	@package/scripts/build-bin.sh
 
+	@echo "==> build homebrew bottles"
+	@package/scripts/build-brew.sh
+
 	@echo "==> generate RPM and deb packages"
 	@package/scripts/build-rpm.sh
 	@package/scripts/build-deb.sh

package/scripts/build-brew.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# this script builds brew bottles but for Mac only (arm64 and amd64)
+# tarball name is like go-parquet-tools-1.22.0.arm64_monterey.bottle.tar.gz,
+# with content:
+# go-parquet-tools
+# └── 1.22.0
+#     ├── LICENSE
+#     ├── README.md
+#     └── bin
+#         └── parquet-tools
+#
+
+SOURCE_DIR=${BUILD_DIR}/../
+for ARCH in arm64 amd64; do
+    ARCH_DIR=${BUILD_DIR}/brew/${ARCH}/
+    BOTTLE_DIR=${ARCH_DIR}/go-parquet-tools/${VERSION:1}/
+    mkdir -p ${BOTTLE_DIR}/bin
+
+    # rebuild just in case we need any special setting for homebrew
+    GOOS=darwin GOARCH=${ARCH} \
+        ${GO} build ${GOFLAGS} -tags "${TAGS}" -ldflags "${LDFLAGS}" \
+        -o ${BOTTLE_DIR}/bin/parquet-tools ${SOURCE_DIR}
+
+    # nice-to-have files
+    cp ${SOURCE_DIR}/LICENSE ${BOTTLE_DIR}/
+    cp ${SOURCE_DIR}/README.md ${BOTTLE_DIR}/
+
+    # tarball 
+    tar zcf ${BUILD_DIR}/brew/${ARCH}.tar.gz -C ${ARCH_DIR} go-parquet-tools/
+done
+
+for OSX in monterey sequoia sonoma ventura; do
+    # for Apple Silicon
+    cp ${BUILD_DIR}/brew/arm64.tar.gz \
+        ${BUILD_DIR}/release/go-parquet-tools-${VERSION:1}.arm64_${OSX}.bottle.tar.gz
+
+    # for Intel
+    cp ${BUILD_DIR}/brew/amd64.tar.gz \
+            ${BUILD_DIR}/release/go-parquet-tools-${VERSION:1}.${OSX}.bottle.tar.gz
+done