fix: macos script

dist/build/macos.sh

@@ -18,11 +18,52 @@ make_pkg() {
     echo "$HASH"
 }
 
+detect_platform() {
+    local platform
+    platform="$(uname -s | tr '[:upper:]' '[:lower:]')"
+
+    case "${platform}" in
+        linux) platform="linux" ;;
+        darwin) platform="macos" ;;
+        freebsd) platform="freebsd" ;;
+    esac
+
+    printf '%s' "${platform}"
+}
+
+detect_arch() {
+    local arch
+    arch="$(uname -m | tr '[:upper:]' '[:lower:]')"
+
+    case "${arch}" in
+        amd64) arch="x86_64" ;;
+        armv*) arch="arm" ;;
+        arm64) arch="aarch64" ;;
+    esac
+
+    # `uname -m` in some cases mis-reports 32-bit OS as 64-bit, so double check
+    if [ "${arch}" = "x86_64" ] && [ "$(getconf LONG_BIT)" -eq 32 ]; then
+        arch="i686"
+    elif [ "${arch}" = "aarch64" ] && [ "$(getconf LONG_BIT)" -eq 32 ]; then
+        arch="arm"
+    fi
+
+    printf '%s' "${arch}"
+}
+
 if [ -z "$1" ]; then
     echo "Usage: macos.sh <version>"
     exit 1
 fi
 
+PLATFORM="$(detect_platform)"
+ARCH="$(detect_arch)"
+
+if [ "$PLATFORM" != "macos" ]; then
+    echo "macos build is only available on MacOs systems"
+    exit 1
+fi
+
 VERSION=$1
 export BUILD_ROOT
 BUILD_ROOT="$(pwd)/../../"
@@ -38,16 +79,28 @@ if [ ! -f Cargo.toml ]; then
 fi
 
 # Build release (x86_64)
-cargo build --release --target x86_64-apple-darwin
+X86_TARGET=""
+X86_TARGET_DIR=""
+if [ "$ARCH" == "aarch64" ]; then
+    X86_TARGET="--target x86_64-apple-darwin"
+    X86_TARGET_DIR="target/x86_64-apple-darwin/release/"
+fi
+cargo build --release $X86_TARGET
 # Make pkg
-X86_64_HASH=$(make_pkg "x86_64" "$VERSION")
+X86_64_HASH=$(make_pkg "x86_64" "$VERSION" $X86_TARGET_DIR)
 RET_X86_64=$?
 
+ARM64_TARGET=""
+ARM64_TARGET_DIR=""
+if [ "$ARCH" == "aarch64" ]; then
+    ARM64_TARGET="--target aarch64-apple-darwin"
+    ARM64_TARGET_DIR="target/aarch64-apple-darwin/release/"
+fi
 cd "$BUILD_ROOT"
 # Build ARM64 pkg
-cargo build --release --target aarch64-apple-darwin
+cargo build --release $ARM64_TARGET
 # Make pkg
-ARM64_HASH=$(make_pkg "arm64" "$VERSION" "target/aarch64-apple-darwin/release/")
+ARM64_HASH=$(make_pkg "arm64" "$VERSION" $ARM64_TARGET_DIR)
 RET_ARM64=$?
 
 echo "x86_64 hash: $X86_64_HASH"