pnpm install bun fails after the first time #25031
Description
What version of Bun is running?
1.3.2+b131639cc
What platform is your computer?
Darwin 25.1.0 arm64 arm
What steps can reproduce the bug?
Add bun >= 1.3.0 to a dev dependency in a pnpm monorepo, run pnpm install, it suceeds, running pnpm install again will fail
What is the expected behavior?
pnpm install should be unaffected
What do you see instead?
xx/yy/node_modules/.pnpm/bun@1.3.2/node_modules/bun: Running postinstall script, failed in 448ms
.../.pnpm/bun@1.3.2/node_modules/bun postinstall$ node install.js
│ Failed to find package "@oven/bun-darwin-aarch64". You may have used the "--no-optional" flag when running "npm install".
│ Error: Failed to install package "bun"
│ at /Users/amitosh/Workspace/cc/bb/xx/yy/node_modules/.pnpm/bun@1.3.2/node_modules/bun/install.js:399:11
│ at Generator.throw (<anonymous>)
│ at rejected (/Users/amitosh/Workspace/cc/bb/xx/yy/node_modules/.pnpm/bun@1.3.2/node_modules/bun/install.js:36:27)
│ at process.processTicksAndRejections (node:internal/process/task_queues:103:5)
Additional information
No response