action-setup/src/pnpm-store-prune/index.ts

import { warning, startGroup, endGroup } from '@actions/core'
import { spawnSync } from 'child_process'
import { Inputs } from '../inputs'
import { patchPnpmEnv } from '../utils'

export function pruneStore(inputs: Inputs) {
  if (inputs.runInstall.length === 0) {
    console.log('No install commands were run, skipping pnpm store prune, remember to run it after pnpm install if caching the store.')
    return
  }

  if (!inputs.storePrune) {
    console.log('Store pruning is disabled, skipping pnpm store prune.')
    return
  }

  startGroup('Running pnpm store prune...')
  const { error, status } = spawnSync('pnpm', ['store', 'prune'], {
    stdio: 'inherit',
    shell: true,
    env: patchPnpmEnv(inputs),
  })
  endGroup()

  if (error) {
    warning(error)
    return
  }

  if (status) {
    warning(`command pnpm store prune exits with code ${status}`)
    return
  }
}

export default pruneStore