message: Add suppot for more platforms to installer script
diff: @@ -85,6 +85,19 @@ get_architecture() {
  local _ostype="$(uname -s)"
  local _cputype="$(uname -m)"
  + # This is when installing inside docker, or can be useful to side-step
  + # the script's built-in platform detection heuristic (if it drifts again in the future)
  + set +u
  + if [ -n "$TARGETOS" ]; then
  + _ostype="$TARGETOS" # probably always linux
  + fi
  +
  + if [ -n "$TARGETARCH" ]; then
  + _cputype="$TARGETARCH"
  + fi
  + set -u
  +
  +
  if [ "$_ostype" = Darwin -a "$_cputype" = i386 ]; then
  # Darwin `uname -s` lies
  if sysctl hw.optional.x86_64 | grep -q ': 1'; then
  @@ -93,7 +106,7 @@ get_architecture() {
  fi
  case "$_ostype" in
  - Linux)
  + Linux | linux)
  local _ostype=unknown-linux-musl
  ;;
  @@ -114,11 +127,19 @@ get_architecture() {
  x86_64 | x86-64 | x64 | amd64)
  local _cputype=x86_64
  ;;
  + arm64 | aarch64)
  + local _cputype=aarch64
  + ;;
  *)
  err "no precompiled binaries available for CPU architecture: $_cputype"
  esac
  + # See https://github.com/rustwasm/wasm-pack/pull/1088
  + if [ "$_cputype" == "aarch64" ] && [ "$_ostype" == "apple-darwin" ]; then
  + _cputype="x86_64"
  + fi
  +
  local _arch="$_cputype-$_ostype"
  RETVAL="$_arch"
  