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extend/os/mac/system_config: show Metal Toolchain version #21309

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Merged
MikeMcQuaid merged 1 commit into from
Dec 24, 2025
Merged

extend/os/mac/system_config: show Metal Toolchain version #21309

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17 changes: 12 additions & 5 deletions Library/Homebrew/extend/os/mac/system_config.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -47,11 +47,18 @@ def core_tap_config(out = $stdout)

sig { returns(T.nilable(String)) }
def metal_toolchain
@metal_toolchain ||= T.let(if MacOS::Xcode.installed? || MacOS::CLT.installed?
result = SystemCommand.run("xcrun", args: ["metal", "-v"],
return unless ::Hardware::CPU.arm64?

@metal_toolchain ||= T.let(nil, T.nilable(String))
@metal_toolchain ||= if MacOS::Xcode.installed? || MacOS::CLT.installed?
result = SystemCommand.run("xcrun", args: ["--find", "metal"],
print_stderr: false, print_stdout: false)
"present" if result.success?
end, T.nilable(String))
pattern = /MetalToolchain-v(?<major>\d+)\.(?<letter>\d+)\.(?<build>\d+)\.(?<minor>\d+)/
if result.success? && (m = result.stdout.match(pattern))
letter = ("A".ord - 1 + m[:letter].to_i).chr
"#{m[:major]}.#{m[:minor]} (#{m[:major]}#{letter}#{m[:build]})"
end
end
end

sig { params(out: T.any(File, StringIO, IO)).void }
Expand All @@ -61,7 +68,7 @@ def dump_verbose_config(out = $stdout)
out.puts "CLT: #{clt || "N/A"}"
out.puts "Xcode: #{xcode || "N/A"}"
# Metal Toolchain is a separate install starting with Xcode 26.
if MacOS::Xcode.installed? && MacOS::Xcode.version >= "26.0"
if ::Hardware::CPU.arm64? && MacOS::Xcode.installed? && MacOS::Xcode.version >= "26.0"
out.puts "Metal Toolchain: #{metal_toolchain || "N/A"}"
end
out.puts "Rosetta 2: #{::Hardware::CPU.in_rosetta2?}" if ::Hardware::CPU.physical_cpu_arm64?
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