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Added macOS arm64 support #39

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Merged
cbracken merged 3 commits into from
May 11, 2022
Merged

Added macOS arm64 support #39

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3af6f34
Added macOS arm64 support
Rexios80 May 10, 2022
9be9b42
Use arm64 in place of M1 and update comments
cbracken May 11, 2022
65052a5
Support downloading Dartium on arm64 Macs
cbracken May 11, 2022
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31 changes: 27 additions & 4 deletions scripts/dvm
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Original file line number Diff line number Diff line change
Expand Up @@ -242,10 +242,26 @@ _dvm_download_dartium() {
curl -f -O "$base_uri/dartium/$dartium_archive"
}

# Returns the CPU architechture for Dart in the specified SDK version.
#
# Used by Apple Silicon (arm64) based Macs to determine the architecture of the
# Dart SDK archive to download. For SDK 2.14.1 and later, download the arm64
# bundle. Prior to that, only Intel binaries are available.
_macos_arm64_sdk_arch() {
local archBoundary="2.14.1"
if [[ "$1" == "latest" || "$(printf "$1\n$archBoundary\n" | sort -t. -n -k 1,1 -k 2,2 -k 3,3 | head -n1)" == "$archBoundary" ]]; then
echo "arm64"
else
echo "x64"
fi
}

# Returns the CPU architechture for Dartium in the specified SDK version.
_dvm_dartium_arch() {
# SDKs <= 1.19.x are ia32, > 1.20.0 are x64.
# Through a happy quirk of fate, 1.20.0 never existed.
#
# In Dart SDKx 1.19.x and earlier, Dartium shipped only as an ia32 build. In
# SDKs later than 1.20.0, it was produced as an x64 build. Through a happy
# quirk of fate, 1.20.0 never existed.
_macos_dartium_arch() {
local archBoundary="1.20.0"
if [[ "$1" == "latest" || "$(printf "$1\n$archBoundary\n" | sort -t. -n -k 1,1 -k 2,2 -k 3,3 | head -n1)" == "$archBoundary" ]]; then
echo "x64"
Expand Down Expand Up @@ -275,8 +291,15 @@ dvm_install() {
fi

case $(uname -a) in
Darwin*arm64*)
local arch="$(_macos_arm64_sdk_arch "$version")"
local sdk_archive="dartsdk-macos-$arch-release.zip"
arch="$(_macos_dartium_arch "$version")"
local content_shell_archive="content_shell-macos-$arch-release.zip"
local dartium_archive="dartium-macos-$arch-release.zip"
;;
Darwin*)
local arch="$(_dvm_dartium_arch "$version")"
local arch="$(_macos_dartium_arch "$version")"
local sdk_archive="dartsdk-macos-x64-release.zip"
local content_shell_archive="content_shell-macos-$arch-release.zip"
local dartium_archive="dartium-macos-$arch-release.zip"
Expand Down