setup-cpp/src/llvm/llvm_brew_installer.ts

Install all the tools required for building and testing C++/C projects.

import { info } from "ci-log"
import { addPath } from "envosman"
import { installBrewPack } from "setup-brew"
import { rcOptions } from "../options.ts"
import type { SetupOptions } from "../setup-options.ts"
import { majorLLVMVersion } from "./utils.ts"

export async function trySetupLLVMBrew({ version }: Pick<SetupOptions, "version">) {
  if (process.platform !== "darwin") {
    return Promise.resolve(undefined)
  }

  try {
    return await setupLLVMBrew({ version })
  } catch (err) {
    info(`Failed to install llvm via brew: ${err}`)
    return undefined
  }
}

export async function setupLLVMBrew({ version }: Pick<SetupOptions, "version">) {
  const majorVersion = majorLLVMVersion(version)

  // install llvm via brew if a bottle is available for it
  const installInfo = await installBrewPack("llvm", `${majorVersion}`, { "force-bottle": true })

  // add the bin directory to the PATH
  await addPath(installInfo.binDir, rcOptions)

  return installInfo
}