# HG changeset patch
# User Richard Westhaver <ellis@rwest.io>
# Date 1716860454 0
# Node ID 7c6e3bbfe8cdce9f7711c21cc79d408974cbf4ee
# Parent  489ae684b01acaa3bdef85a507beaee201f1a107
bootstrap mv

diff -r 489ae684b01a -r 7c6e3bbfe8cd bootstrap.sh
--- a/bootstrap.sh	Mon May 27 23:09:57 2024 +0000
+++ b/bootstrap.sh	Tue May 28 01:40:54 2024 +0000
@@ -1,1 +1,352 @@
-#!/usr/bin/env sh
+#!/bin/sh
+set -eu
+main() {
+  . ./check.sh
+  download --check
+  local _arch=$(_read arch | tr -d '"')
+  local _ext=""
+  case "$_arch" in
+    *windows*)
+      _ext=".exe"
+      ;;
+  esac
+  local _url="https://packy.compiler.company/dist/${_arch}"
+  local _stash
+  if ! _stash=".stash"; then
+    # Because the previous command ran in a subshell, we must manually
+    # propagate exit status.
+    exit 1
+  fi
+  ensure mkdir -p "${_stash}/src"
+  ensure mkdir -p "${_stash}/bin"
+  local _sk_url="${_url}/bin/sk"
+  local _sbcl_url="${_url}/pack/sbcl.tar.zst"
+  local _rocksdb_url="${_url}/pack/rocksdb.tar.zst"
+  ensure download "$_sbcl_url" "${_stash}/src/sbcl.tar.zst" "$_arch"
+  ensure download "$_rocksdb_url" "${_stash}/src/rocksdb.tar.zst" "$_arch"
+  ensure download "$_sk_url" "${_stash}/bin/sk" "$_arch"
+}
+
+_read() {
+  grep ":$1" $INFRA_HOST_CONFIG | cut -d' ' -f 2-
+}
+
+say() {
+  printf 'bootstrap.sh: %s\n' "$1"
+}
+
+err() {
+  say "$1" >&2
+  exit 1
+}
+
+check_cmd() {
+  command -v "$1" > /dev/null 2>&1
+}
+
+need_cmd() {
+  if ! check_cmd "$1"; then
+    err "need '$1' (command not found)"
+  fi
+}
+
+# Run a command that should never fail. If the command fails execution
+# will immediately terminate with an error showing the failing
+# command.
+ensure() {
+  if ! "$@"; then err "command failed: $*"; fi
+}
+
+# Check if curl supports the --retry flag, then pass it to the curl invocation.
+check_curl_for_retry_support() {
+  local _retry_supported=""
+  # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
+  if check_help_for "notspecified" "curl" "--retry"; then
+    _retry_supported="--retry 3"
+    if check_help_for "notspecified" "curl" "--continue-at"; then
+      # "-C -" tells curl to automatically find where to resume the download when retrying.
+      _retry_supported="--retry 3 -C -"
+    fi
+  fi
+
+  RETVAL="$_retry_supported"
+}
+
+# Return cipher suite string specified by user, otherwise return strong TLS 1.2-1.3 cipher suites
+# if support by local tools is detected. Detection currently supports these curl backends:
+# GnuTLS and OpenSSL (possibly also LibreSSL and BoringSSL). Return value can be empty.
+get_ciphersuites_for_curl() {
+  if [ -n "${TLS_CIPHERSUITES-}" ]; then
+    # user specified custom cipher suites, assume they know what they're doing
+    RETVAL="$TLS_CIPHERSUITES"
+    return
+  fi
+
+  local _openssl_syntax="no"
+  local _gnutls_syntax="no"
+  local _backend_supported="yes"
+  if curl -V | grep -q ' OpenSSL/'; then
+    _openssl_syntax="yes"
+  elif curl -V | grep -iq ' LibreSSL/'; then
+    _openssl_syntax="yes"
+  elif curl -V | grep -iq ' BoringSSL/'; then
+    _openssl_syntax="yes"
+  elif curl -V | grep -iq ' GnuTLS/'; then
+    _gnutls_syntax="yes"
+  else
+    _backend_supported="no"
+  fi
+
+  local _args_supported="no"
+  if [ "$_backend_supported" = "yes" ]; then
+    # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
+    if check_help_for "notspecified" "curl" "--tlsv1.2" "--ciphers" "--proto"; then
+      _args_supported="yes"
+    fi
+  fi
+
+  local _cs=""
+  if [ "$_args_supported" = "yes" ]; then
+    if [ "$_openssl_syntax" = "yes" ]; then
+      _cs=$(get_strong_ciphersuites_for "openssl")
+    elif [ "$_gnutls_syntax" = "yes" ]; then
+      _cs=$(get_strong_ciphersuites_for "gnutls")
+    fi
+  fi
+
+  RETVAL="$_cs"
+}
+
+# Return cipher suite string specified by user, otherwise return strong TLS 1.2-1.3 cipher suites
+# if support by local tools is detected. Detection currently supports these wget backends:
+# GnuTLS and OpenSSL (possibly also LibreSSL and BoringSSL). Return value can be empty.
+get_ciphersuites_for_wget() {
+  if [ -n "${TLS_CIPHERSUITES-}" ]; then
+    # user specified custom cipher suites, assume they know what they're doing
+    RETVAL="$TLS_CIPHERSUITES"
+    return
+  fi
+
+  local _cs=""
+  if wget -V | grep -q '\-DHAVE_LIBSSL'; then
+    # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
+    if check_help_for "notspecified" "wget" "TLSv1_2" "--ciphers" "--https-only" "--secure-protocol"; then
+      _cs=$(get_strong_ciphersuites_for "openssl")
+    fi
+  elif wget -V | grep -q '\-DHAVE_LIBGNUTLS'; then
+    # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
+    if check_help_for "notspecified" "wget" "TLSv1_2" "--ciphers" "--https-only" "--secure-protocol"; then
+      _cs=$(get_strong_ciphersuites_for "gnutls")
+    fi
+  fi
+
+  RETVAL="$_cs"
+}
+
+check_help_for() {
+    local _arch
+    local _cmd
+    local _arg
+    _arch="$1"
+    shift
+    _cmd="$1"
+    shift
+
+    local _category
+    if "$_cmd" --help | grep -q 'For all options use the manual or "--help all".'; then
+      _category="all"
+    else
+      _category=""
+    fi
+
+    case "$_arch" in
+
+        *darwin*)
+        if check_cmd sw_vers; then
+            case $(sw_vers -productVersion) in
+                10.*)
+                    # If we're running on macOS, older than 10.13, then we always
+                    # fail to find these options to force fallback
+                    if [ "$(sw_vers -productVersion | cut -d. -f2)" -lt 13 ]; then
+                        # Older than 10.13
+                        echo "Warning: Detected macOS platform older than 10.13"
+                        return 1
+                    fi
+                    ;;
+                11.*)
+                    # We assume Big Sur will be OK for now
+                    ;;
+                *)
+                    # Unknown product version, warn and continue
+                    echo "Warning: Detected unknown macOS major version: $(sw_vers -productVersion)"
+                    echo "Warning TLS capabilities detection may fail"
+                    ;;
+            esac
+        fi
+        ;;
+
+    esac
+
+    for _arg in "$@"; do
+        if ! "$_cmd" --help "$_category" | grep -q -- "$_arg"; then
+            return 1
+        fi
+    done
+
+    true # not strictly needed
+}
+
+# Return strong TLS 1.2-1.3 cipher suites in OpenSSL or GnuTLS syntax. TLS 1.2
+# excludes non-ECDHE and non-AEAD cipher suites. DHE is excluded due to bad
+# DH params often found on servers (see RFC 7919). Sequence matches or is
+# similar to Firefox 68 ESR with weak cipher suites disabled via about:config.
+# $1 must be openssl or gnutls.
+get_strong_ciphersuites_for() {
+  if [ "$1" = "openssl" ]; then
+    # OpenSSL is forgiving of unknown values, no problems with TLS 1.3 values on versions that don't support it yet.
+    echo "TLS_AES_128_GCM_SHA256:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384"
+  elif [ "$1" = "gnutls" ]; then
+    # GnuTLS isn't forgiving of unknown values, so this may require a GnuTLS version that supports TLS 1.3 even if wget doesn't.
+    # Begin with SECURE128 (and higher) then remove/add to build cipher suites. Produces same 9 cipher suites as OpenSSL but in slightly different order.
+    echo "SECURE128:-VERS-SSL3.0:-VERS-TLS1.0:-VERS-TLS1.1:-VERS-DTLS-ALL:-CIPHER-ALL:-MAC-ALL:-KX-ALL:+AEAD:+ECDHE-ECDSA:+ECDHE-RSA:+AES-128-GCM:+CHACHA20-POLY1305:+AES-256-GCM"
+  fi
+}
+
+check_proc() {
+  # Check for /proc by looking for the /proc/self/exe link
+  # This is only run on Linux
+  if ! test -L /proc/self/exe ; then
+    err "fatal: Unable to find /proc/self/exe.  Is /proc mounted?  Installation cannot proceed without /proc."
+  fi
+}
+
+get_bitness() {
+  need_cmd head
+  # Architecture detection without dependencies beyond coreutils.
+  # ELF files start out "\x7fELF", and the following byte is
+  #   0x01 for 32-bit and
+  #   0x02 for 64-bit.
+  # The printf builtin on some shells like dash only supports octal
+  # escape sequences, so we use those.
+  local _current_exe_head
+  _current_exe_head=$(head -c 5 /proc/self/exe )
+  if [ "$_current_exe_head" = "$(printf '\177ELF\001')" ]; then
+    echo 32
+  elif [ "$_current_exe_head" = "$(printf '\177ELF\002')" ]; then
+    echo 64
+  else
+    err "unknown platform bitness"
+  fi
+}
+
+is_host_amd64_elf() {
+  need_cmd head
+  need_cmd tail
+  # ELF e_machine detection without dependencies beyond coreutils.
+  # Two-byte field at offset 0x12 indicates the CPU,
+  # but we're interested in it being 0x3E to indicate amd64, or not that.
+  local _current_exe_machine
+  _current_exe_machine=$(head -c 19 /proc/self/exe | tail -c 1)
+  [ "$_current_exe_machine" = "$(printf '\076')" ]
+}
+
+get_endianness() {
+  local cputype=$1
+  local suffix_eb=$2
+  local suffix_el=$3
+
+  # detect endianness without od/hexdump, like get_bitness() does.
+  need_cmd head
+  need_cmd tail
+
+  local _current_exe_endianness
+  _current_exe_endianness="$(head -c 6 /proc/self/exe | tail -c 1)"
+  if [ "$_current_exe_endianness" = "$(printf '\001')" ]; then
+    echo "${cputype}${suffix_el}"
+  elif [ "$_current_exe_endianness" = "$(printf '\002')" ]; then
+    echo "${cputype}${suffix_eb}"
+  else
+    err "unknown platform endianness"
+  fi
+}
+
+# This wraps curl or wget. Try curl first, if not installed,
+# use wget instead.
+download() {
+  local _dld
+  local _ciphersuites
+  local _err
+  local _status
+  local _retry
+  if check_cmd curl; then
+    _dld=curl
+  elif check_cmd wget; then
+    _dld=wget
+  else
+    _dld='curl or wget' # to be used in error message of need_cmd
+  fi
+
+  if [ "$1" = --check ]; then
+    need_cmd "$_dld"
+  elif [ "$_dld" = curl ]; then
+    check_curl_for_retry_support
+    _retry="$RETVAL"
+    get_ciphersuites_for_curl
+    _ciphersuites="$RETVAL"
+    if [ -n "$_ciphersuites" ]; then
+      _err=$(curl $_retry --proto '=https' --tlsv1.2 --ciphers "$_ciphersuites" --silent --show-error --fail --location "$1" --output "$2" 2>&1)
+      _status=$?
+    else
+      echo "Warning: Not enforcing strong cipher suites for TLS, this is potentially less secure"
+      if ! check_help_for "$3" curl --proto --tlsv1.2; then
+        echo "Warning: Not enforcing TLS v1.2, this is potentially less secure"
+        _err=$(curl $_retry --silent --show-error --fail --location "$1" --output "$2" 2>&1)
+        _status=$?
+      else
+        _err=$(curl $_retry --proto '=https' --tlsv1.2 --silent --show-error --fail --location "$1" --output "$2" 2>&1)
+        _status=$?
+      fi
+    fi
+    if [ -n "$_err" ]; then
+      echo "$_err" >&2
+      if echo "$_err" | grep -q 404$; then
+        err "installer for platform '$3' not found, this may be unsupported"
+      fi
+    fi
+    return $_status
+  elif [ "$_dld" = wget ]; then
+    if [ "$(wget -V 2>&1|head -2|tail -1|cut -f1 -d" ")" = "BusyBox" ]; then
+      echo "Warning: using the BusyBox version of wget.  Not enforcing strong cipher suites for TLS or TLS v1.2, this is potentially less secure"
+      _err=$(wget "$1" -O "$2" 2>&1)
+      _status=$?
+    else
+      get_ciphersuites_for_wget
+      _ciphersuites="$RETVAL"
+      if [ -n "$_ciphersuites" ]; then
+        _err=$(wget --https-only --secure-protocol=TLSv1_2 --ciphers "$_ciphersuites" "$1" -O "$2" 2>&1)
+        _status=$?
+      else
+        echo "Warning: Not enforcing strong cipher suites for TLS, this is potentially less secure"
+        if ! check_help_for "$3" wget --https-only --secure-protocol; then
+          echo "Warning: Not enforcing TLS v1.2, this is potentially less secure"
+          _err=$(wget "$1" -O "$2" 2>&1)
+          _status=$?
+        else
+          _err=$(wget --https-only --secure-protocol=TLSv1_2 "$1" -O "$2" 2>&1)
+          _status=$?
+        fi
+      fi
+    fi
+    if [ -n "$_err" ]; then
+      echo "$_err" >&2
+      if echo "$_err" | grep -q ' 404 Not Found$'; then
+        err "installer for platform '$3' not found, this may be unsupported"
+      fi
+    fi
+    return $_status
+  else
+    err "Unknown downloader"   # should not reach here
+  fi
+}
+
+main "$@" || exit 1
diff -r 489ae684b01a -r 7c6e3bbfe8cd check.sh
--- a/check.sh	Mon May 27 23:09:57 2024 +0000
+++ b/check.sh	Tue May 28 01:40:54 2024 +0000
@@ -16,8 +16,8 @@
   need_cmd awk
   need_cmd head
   need_cmd tail
-  host_config_file=$(cat /proc/sys/kernel/hostname).sxp
-  rm -f $host_config_file
+  export INFRA_HOST_CONFIG=$(cat /proc/sys/kernel/hostname).sxp
+  rm -f $INFRA_HOST_CONFIG
   check_mem
   local _mem_total="$RETVAL"
   check_disk
@@ -41,7 +41,6 @@
     *)
       _write ":ext nil"
   esac
-  print_env
 }
 
 say() {
@@ -53,7 +52,7 @@
 }
 
 _write() {
-  say "$1" >> $host_config_file
+  say "$1" >> $INFRA_HOST_CONFIG
 }
 
 err() {
diff -r 489ae684b01a -r 7c6e3bbfe8cd containers/Containerfile.box
--- a/containers/Containerfile.box	Mon May 27 23:09:57 2024 +0000
+++ b/containers/Containerfile.box	Tue May 28 01:40:54 2024 +0000
@@ -1,7 +1,5 @@
 FROM localhost/archlinux:latest
 RUN --network=host pacman -Sy uutils-coreutils sysstat iotop imagemagick giflib libgccjit libxaw snappy sbcl liburing libxkbcommon nuklear --noconfirm
-# VOLUME /opt/store
-# VOLUME /opt/stash
 # custom
 ARG DEV=dev
 ARG DEV_HOME=/home/${DEV}
@@ -15,27 +13,22 @@
 ENV CARGO_HOME="/usr/local/share/cargo"
 ENV RUSTUP_HOME="/usr/local/share/rustup"
 # stage1
-RUN sh scripts/get-sk.sh /usr/local/bin
-RUN sk make rustup
+RUN ./bootstrap.sh
 ENV PATH="$PATH:/usr/local/share/cargo/bin"
+RUN .stash/bin/sk make rustup
 RUN rustup update
 # dev rustc components
 RUN rustup default nightly
 RUN rustup component add --toolchain nightly rust-src rust-analyzer rustc-dev llvm-tools-preview
-# RUN sh scripts/install-nushell-pack.sh
-# RUN sh scripts/install-emacs-pack.sh
-# RUN sh scripts/install-sbcl-pack.sh
-# RUN sh scripts/install-rocksdb-pack.sh
-# RUN sh scripts/install-cargo-tools.sh
-RUN sk make sbcl
-RUN sk make quicklisp
-RUN sk make sbcl-install
-RUN sk make tree-sitter
-RUN sk make tree-sitter-langs
-RUN sk make emacs-mini
-RUN sk make emacs-install
-RUN sk make rocksdb
-RUN sk make rocksdb-install
+RUN .stash/bin/sk make sbcl
+RUN .stash/bin/sk make quicklisp
+RUN .stash/bin/sk make sbcl-install
+RUN .stash/bin/sk make tree-sitter
+RUN .stash/bin/sk make tree-sitter-langs
+RUN .stash/bin/sk make emacs-mini
+RUN .stash/bin/sk make emacs-install
+RUN .stash/bin/sk make rocksdb
+RUN .stash/bin/sk make rocksdb-install
 #ADD etc/sbclrc /etc/sbclrc
 #COPY etc/skel/ /etc/skel/
 #ADD etc/shells /etc/
diff -r 489ae684b01a -r 7c6e3bbfe8cd install.sh
--- a/install.sh	Mon May 27 23:09:57 2024 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,566 +0,0 @@
-#!/bin/sh
-set -eu
-main() {
-  download --check
-
-  get_architecture || return 1
-  local _arch="$RETVAL"
-  assert_nz "$_arch" "arch"
-
-  local _ext=""
-  case "$_arch" in
-    *windows*)
-      _ext=".exe"
-      ;;
-  esac
-
-  local _url="https://packy.compiler.company/dist/${_arch}"
-  local _stash
-  if ! _stash=".stash"; then
-    # Because the previous command ran in a subshell, we must manually
-    # propagate exit status.
-    exit 1
-  fi
-  ensure mkdir -p "$_stash"
-  local _cc_url="${_url}/cc-install"
-  local _sbcl_url="${_url}/pack/sbcl.tar.zst"
-  local _rocksdb_url="${_url}/pack/rocksdb.tar.zst"
-  ensure download "$_sbcl_url" "${_stash}/sbcl.tar.zst" "$_arch"
-  ensure download "$_rocksdb_url" "${_stash}/rocksdb.tar.zst" "$_arch"
-  ensure download "$_cc_url" "${_stash}/cc-install" "$_arch"
-}
-
-say() {
-  printf 'install.sh: %s\n' "$1"
-}
-
-err() {
-  say "$1" >&2
-  exit 1
-}
-
-assert_nz() {
-  if [ -z "$1" ]; then err "assert_nz $2"; fi
-}
-
-check_cmd() {
-  command -v "$1" > /dev/null 2>&1
-}
-
-need_cmd() {
-  if ! check_cmd "$1"; then
-    err "need '$1' (command not found)"
-  fi
-}
-
-# Run a command that should never fail. If the command fails execution
-# will immediately terminate with an error showing the failing
-# command.
-ensure() {
-  if ! "$@"; then err "command failed: $*"; fi
-}
-
-# Check if curl supports the --retry flag, then pass it to the curl invocation.
-check_curl_for_retry_support() {
-  local _retry_supported=""
-  # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
-  if check_help_for "notspecified" "curl" "--retry"; then
-    _retry_supported="--retry 3"
-    if check_help_for "notspecified" "curl" "--continue-at"; then
-      # "-C -" tells curl to automatically find where to resume the download when retrying.
-      _retry_supported="--retry 3 -C -"
-    fi
-  fi
-
-  RETVAL="$_retry_supported"
-}
-
-# Return cipher suite string specified by user, otherwise return strong TLS 1.2-1.3 cipher suites
-# if support by local tools is detected. Detection currently supports these curl backends:
-# GnuTLS and OpenSSL (possibly also LibreSSL and BoringSSL). Return value can be empty.
-get_ciphersuites_for_curl() {
-  if [ -n "${TLS_CIPHERSUITES-}" ]; then
-    # user specified custom cipher suites, assume they know what they're doing
-    RETVAL="$TLS_CIPHERSUITES"
-    return
-  fi
-
-  local _openssl_syntax="no"
-  local _gnutls_syntax="no"
-  local _backend_supported="yes"
-  if curl -V | grep -q ' OpenSSL/'; then
-    _openssl_syntax="yes"
-  elif curl -V | grep -iq ' LibreSSL/'; then
-    _openssl_syntax="yes"
-  elif curl -V | grep -iq ' BoringSSL/'; then
-    _openssl_syntax="yes"
-  elif curl -V | grep -iq ' GnuTLS/'; then
-    _gnutls_syntax="yes"
-  else
-    _backend_supported="no"
-  fi
-
-  local _args_supported="no"
-  if [ "$_backend_supported" = "yes" ]; then
-    # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
-    if check_help_for "notspecified" "curl" "--tlsv1.2" "--ciphers" "--proto"; then
-      _args_supported="yes"
-    fi
-  fi
-
-  local _cs=""
-  if [ "$_args_supported" = "yes" ]; then
-    if [ "$_openssl_syntax" = "yes" ]; then
-      _cs=$(get_strong_ciphersuites_for "openssl")
-    elif [ "$_gnutls_syntax" = "yes" ]; then
-      _cs=$(get_strong_ciphersuites_for "gnutls")
-    fi
-  fi
-
-  RETVAL="$_cs"
-}
-
-# Return cipher suite string specified by user, otherwise return strong TLS 1.2-1.3 cipher suites
-# if support by local tools is detected. Detection currently supports these wget backends:
-# GnuTLS and OpenSSL (possibly also LibreSSL and BoringSSL). Return value can be empty.
-get_ciphersuites_for_wget() {
-  if [ -n "${TLS_CIPHERSUITES-}" ]; then
-    # user specified custom cipher suites, assume they know what they're doing
-    RETVAL="$TLS_CIPHERSUITES"
-    return
-  fi
-
-  local _cs=""
-  if wget -V | grep -q '\-DHAVE_LIBSSL'; then
-    # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
-    if check_help_for "notspecified" "wget" "TLSv1_2" "--ciphers" "--https-only" "--secure-protocol"; then
-      _cs=$(get_strong_ciphersuites_for "openssl")
-    fi
-  elif wget -V | grep -q '\-DHAVE_LIBGNUTLS'; then
-    # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc.
-    if check_help_for "notspecified" "wget" "TLSv1_2" "--ciphers" "--https-only" "--secure-protocol"; then
-      _cs=$(get_strong_ciphersuites_for "gnutls")
-    fi
-  fi
-
-  RETVAL="$_cs"
-}
-
-check_help_for() {
-    local _arch
-    local _cmd
-    local _arg
-    _arch="$1"
-    shift
-    _cmd="$1"
-    shift
-
-    local _category
-    if "$_cmd" --help | grep -q 'For all options use the manual or "--help all".'; then
-      _category="all"
-    else
-      _category=""
-    fi
-
-    case "$_arch" in
-
-        *darwin*)
-        if check_cmd sw_vers; then
-            case $(sw_vers -productVersion) in
-                10.*)
-                    # If we're running on macOS, older than 10.13, then we always
-                    # fail to find these options to force fallback
-                    if [ "$(sw_vers -productVersion | cut -d. -f2)" -lt 13 ]; then
-                        # Older than 10.13
-                        echo "Warning: Detected macOS platform older than 10.13"
-                        return 1
-                    fi
-                    ;;
-                11.*)
-                    # We assume Big Sur will be OK for now
-                    ;;
-                *)
-                    # Unknown product version, warn and continue
-                    echo "Warning: Detected unknown macOS major version: $(sw_vers -productVersion)"
-                    echo "Warning TLS capabilities detection may fail"
-                    ;;
-            esac
-        fi
-        ;;
-
-    esac
-
-    for _arg in "$@"; do
-        if ! "$_cmd" --help "$_category" | grep -q -- "$_arg"; then
-            return 1
-        fi
-    done
-
-    true # not strictly needed
-}
-
-# Return strong TLS 1.2-1.3 cipher suites in OpenSSL or GnuTLS syntax. TLS 1.2
-# excludes non-ECDHE and non-AEAD cipher suites. DHE is excluded due to bad
-# DH params often found on servers (see RFC 7919). Sequence matches or is
-# similar to Firefox 68 ESR with weak cipher suites disabled via about:config.
-# $1 must be openssl or gnutls.
-get_strong_ciphersuites_for() {
-  if [ "$1" = "openssl" ]; then
-    # OpenSSL is forgiving of unknown values, no problems with TLS 1.3 values on versions that don't support it yet.
-    echo "TLS_AES_128_GCM_SHA256:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384"
-  elif [ "$1" = "gnutls" ]; then
-    # GnuTLS isn't forgiving of unknown values, so this may require a GnuTLS version that supports TLS 1.3 even if wget doesn't.
-    # Begin with SECURE128 (and higher) then remove/add to build cipher suites. Produces same 9 cipher suites as OpenSSL but in slightly different order.
-    echo "SECURE128:-VERS-SSL3.0:-VERS-TLS1.0:-VERS-TLS1.1:-VERS-DTLS-ALL:-CIPHER-ALL:-MAC-ALL:-KX-ALL:+AEAD:+ECDHE-ECDSA:+ECDHE-RSA:+AES-128-GCM:+CHACHA20-POLY1305:+AES-256-GCM"
-  fi
-}
-
-check_proc() {
-  # Check for /proc by looking for the /proc/self/exe link
-  # This is only run on Linux
-  if ! test -L /proc/self/exe ; then
-    err "fatal: Unable to find /proc/self/exe.  Is /proc mounted?  Installation cannot proceed without /proc."
-  fi
-}
-
-get_bitness() {
-  need_cmd head
-  # Architecture detection without dependencies beyond coreutils.
-  # ELF files start out "\x7fELF", and the following byte is
-  #   0x01 for 32-bit and
-  #   0x02 for 64-bit.
-  # The printf builtin on some shells like dash only supports octal
-  # escape sequences, so we use those.
-  local _current_exe_head
-  _current_exe_head=$(head -c 5 /proc/self/exe )
-  if [ "$_current_exe_head" = "$(printf '\177ELF\001')" ]; then
-    echo 32
-  elif [ "$_current_exe_head" = "$(printf '\177ELF\002')" ]; then
-    echo 64
-  else
-    err "unknown platform bitness"
-  fi
-}
-
-is_host_amd64_elf() {
-  need_cmd head
-  need_cmd tail
-  # ELF e_machine detection without dependencies beyond coreutils.
-  # Two-byte field at offset 0x12 indicates the CPU,
-  # but we're interested in it being 0x3E to indicate amd64, or not that.
-  local _current_exe_machine
-  _current_exe_machine=$(head -c 19 /proc/self/exe | tail -c 1)
-  [ "$_current_exe_machine" = "$(printf '\076')" ]
-}
-
-get_endianness() {
-  local cputype=$1
-  local suffix_eb=$2
-  local suffix_el=$3
-
-  # detect endianness without od/hexdump, like get_bitness() does.
-  need_cmd head
-  need_cmd tail
-
-  local _current_exe_endianness
-  _current_exe_endianness="$(head -c 6 /proc/self/exe | tail -c 1)"
-  if [ "$_current_exe_endianness" = "$(printf '\001')" ]; then
-    echo "${cputype}${suffix_el}"
-  elif [ "$_current_exe_endianness" = "$(printf '\002')" ]; then
-    echo "${cputype}${suffix_eb}"
-  else
-    err "unknown platform endianness"
-  fi
-}
-
-get_architecture() {
-  local _ostype _cputype _bitness _arch _clibtype
-  _ostype="$(uname -s)"
-  _cputype="$(uname -m)"
-  _clibtype="gnu"
-
-  if [ "$_ostype" = Linux ]; then
-    if [ "$(uname -o)" = Android ]; then
-      _ostype=Android
-    fi
-    if ldd --version 2>&1 | grep -q 'musl'; then
-      _clibtype="musl"
-    fi
-  fi
-
-  if [ "$_ostype" = Darwin ] && [ "$_cputype" = i386 ]; then
-    # Darwin `uname -m` lies
-    if sysctl hw.optional.x86_64 | grep -q ': 1'; then
-      _cputype=x86_64
-    fi
-  fi
-
-  if [ "$_ostype" = SunOS ]; then
-    # Both Solaris and illumos presently announce as "SunOS" in "uname -s"
-    # so use "uname -o" to disambiguate.  We use the full path to the
-    # system uname in case the user has coreutils uname first in PATH,
-    # which has historically sometimes printed the wrong value here.
-    if [ "$(/usr/bin/uname -o)" = illumos ]; then
-      _ostype=illumos
-    fi
-
-    # illumos systems have multi-arch userlands, and "uname -m" reports the
-    # machine hardware name; e.g., "i86pc" on both 32- and 64-bit x86
-    # systems.  Check for the native (widest) instruction set on the
-    # running kernel:
-    if [ "$_cputype" = i86pc ]; then
-      _cputype="$(isainfo -n)"
-    fi
-  fi
-
-  case "$_ostype" in
-
-    Android)
-      _ostype=linux-android
-      ;;
-
-    Linux)
-      check_proc
-      _ostype=unknown-linux-$_clibtype
-      _bitness=$(get_bitness)
-      ;;
-
-    FreeBSD)
-      _ostype=unknown-freebsd
-      ;;
-
-    NetBSD)
-      _ostype=unknown-netbsd
-      ;;
-
-    DragonFly)
-      _ostype=unknown-dragonfly
-      ;;
-
-    Darwin)
-      _ostype=apple-darwin
-      ;;
-
-    illumos)
-      _ostype=unknown-illumos
-      ;;
-
-    MINGW* | MSYS* | CYGWIN* | Windows_NT)
-      _ostype=pc-windows-gnu
-      ;;
-
-    *)
-      err "unrecognized OS type: $_ostype"
-      ;;
-
-  esac
-
-  case "$_cputype" in
-
-    i386 | i486 | i686 | i786 | x86)
-      _cputype=i686
-      ;;
-
-    xscale | arm)
-      _cputype=arm
-      if [ "$_ostype" = "linux-android" ]; then
-        _ostype=linux-androideabi
-      fi
-      ;;
-
-    armv6l)
-      _cputype=arm
-      if [ "$_ostype" = "linux-android" ]; then
-        _ostype=linux-androideabi
-      else
-        _ostype="${_ostype}eabihf"
-      fi
-      ;;
-
-    armv7l | armv8l)
-      _cputype=armv7
-      if [ "$_ostype" = "linux-android" ]; then
-        _ostype=linux-androideabi
-      else
-        _ostype="${_ostype}eabihf"
-      fi
-      ;;
-
-    aarch64 | arm64)
-      _cputype=aarch64
-      ;;
-
-    x86_64 | x86-64 | x64 | amd64)
-      _cputype=x86_64
-      ;;
-
-    mips)
-      _cputype=$(get_endianness mips '' el)
-      ;;
-
-    mips64)
-      if [ "$_bitness" -eq 64 ]; then
-        # only n64 ABI is supported for now
-        _ostype="${_ostype}abi64"
-        _cputype=$(get_endianness mips64 '' el)
-      fi
-      ;;
-
-    ppc)
-      _cputype=powerpc
-      ;;
-
-    ppc64)
-      _cputype=powerpc64
-      ;;
-
-    ppc64le)
-      _cputype=powerpc64le
-      ;;
-
-    s390x)
-      _cputype=s390x
-      ;;
-    riscv64)
-      _cputype=riscv64gc
-      ;;
-    loongarch64)
-      _cputype=loongarch64
-      ;;
-    *)
-      err "unknown CPU type: $_cputype"
-
-  esac
-
-  # Detect 64-bit linux with 32-bit userland
-  if [ "${_ostype}" = unknown-linux-gnu ] && [ "${_bitness}" -eq 32 ]; then
-    case $_cputype in
-      x86_64)
-        if [ -n "${CPUTYPE:-}" ]; then
-          _cputype="$CPUTYPE"
-        else {
-          # 32-bit executable for amd64 = x32
-          if is_host_amd64_elf; then {
-            echo "This host is running an x32 userland; as it stands, x32 support is poor," 1>&2
-            echo "and there isn't a native toolchain -- you will have to install" 1>&2
-            echo "multiarch compatibility with i686 and/or amd64, then select one" 1>&2
-            echo "by re-running this script with the CPUTYPE environment variable" 1>&2
-            echo "set to i686 or x86_64, respectively." 1>&2
-            exit 1
-          }; else
-            _cputype=i686
-          fi
-        }; fi
-        ;;
-      mips64)
-        _cputype=$(get_endianness mips '' el)
-        ;;
-      powerpc64)
-        _cputype=powerpc
-        ;;
-      aarch64)
-        _cputype=armv7
-        if [ "$_ostype" = "linux-android" ]; then
-          _ostype=linux-androideabi
-        else
-          _ostype="${_ostype}eabihf"
-        fi
-        ;;
-      riscv64gc)
-        err "riscv64 with 32-bit userland unsupported"
-        ;;
-    esac
-  fi
-
-  if [ "$_ostype" = "unknown-linux-gnueabihf" ] && [ "$_cputype" = armv7 ]; then
-    if ensure grep '^Features' /proc/cpuinfo | grep -q -v neon; then
-      # At least one processor does not have NEON.
-      _cputype=arm
-    fi
-  fi
-
-  _arch="${_cputype}-${_ostype}"
-
-  RETVAL="$_arch"
-}
-
-# This wraps curl or wget. Try curl first, if not installed,
-# use wget instead.
-download() {
-  local _dld
-  local _ciphersuites
-  local _err
-  local _status
-  local _retry
-  if check_cmd curl; then
-    _dld=curl
-  elif check_cmd wget; then
-    _dld=wget
-  else
-    _dld='curl or wget' # to be used in error message of need_cmd
-  fi
-
-  if [ "$1" = --check ]; then
-    need_cmd "$_dld"
-  elif [ "$_dld" = curl ]; then
-    check_curl_for_retry_support
-    _retry="$RETVAL"
-    get_ciphersuites_for_curl
-    _ciphersuites="$RETVAL"
-    if [ -n "$_ciphersuites" ]; then
-      _err=$(curl $_retry --proto '=https' --tlsv1.2 --ciphers "$_ciphersuites" --silent --show-error --fail --location "$1" --output "$2" 2>&1)
-      _status=$?
-    else
-      echo "Warning: Not enforcing strong cipher suites for TLS, this is potentially less secure"
-      if ! check_help_for "$3" curl --proto --tlsv1.2; then
-        echo "Warning: Not enforcing TLS v1.2, this is potentially less secure"
-        _err=$(curl $_retry --silent --show-error --fail --location "$1" --output "$2" 2>&1)
-        _status=$?
-      else
-        _err=$(curl $_retry --proto '=https' --tlsv1.2 --silent --show-error --fail --location "$1" --output "$2" 2>&1)
-        _status=$?
-      fi
-    fi
-    if [ -n "$_err" ]; then
-      echo "$_err" >&2
-      if echo "$_err" | grep -q 404$; then
-        err "installer for platform '$3' not found, this may be unsupported"
-      fi
-    fi
-    return $_status
-  elif [ "$_dld" = wget ]; then
-    if [ "$(wget -V 2>&1|head -2|tail -1|cut -f1 -d" ")" = "BusyBox" ]; then
-      echo "Warning: using the BusyBox version of wget.  Not enforcing strong cipher suites for TLS or TLS v1.2, this is potentially less secure"
-      _err=$(wget "$1" -O "$2" 2>&1)
-      _status=$?
-    else
-      get_ciphersuites_for_wget
-      _ciphersuites="$RETVAL"
-      if [ -n "$_ciphersuites" ]; then
-        _err=$(wget --https-only --secure-protocol=TLSv1_2 --ciphers "$_ciphersuites" "$1" -O "$2" 2>&1)
-        _status=$?
-      else
-        echo "Warning: Not enforcing strong cipher suites for TLS, this is potentially less secure"
-        if ! check_help_for "$3" wget --https-only --secure-protocol; then
-          echo "Warning: Not enforcing TLS v1.2, this is potentially less secure"
-          _err=$(wget "$1" -O "$2" 2>&1)
-          _status=$?
-        else
-          _err=$(wget --https-only --secure-protocol=TLSv1_2 "$1" -O "$2" 2>&1)
-          _status=$?
-        fi
-      fi
-    fi
-    if [ -n "$_err" ]; then
-      echo "$_err" >&2
-      if echo "$_err" | grep -q ' 404 Not Found$'; then
-        err "installer for platform '$3' not found, this may be unsupported"
-      fi
-    fi
-    return $_status
-  else
-    err "Unknown downloader"   # should not reach here
-  fi
-}
-
-main "$@" || exit 1