pnpm version: 4.1.6

Code to reproduce the issue:

This issue can be reproduced using the pnpm publish command on any package.

Expected behavior:

No mode change, or a revert back to the original mode after the operation is done.

Actual behavior:

Below is a copy of a git diff run on the file after a publish operation:

diff --git a/packages/alias/package.json b/packages/alias/package.json
old mode 100755
new mode 100644

Additional information:

• node -v prints: 12.3.1
• Windows, OS X, or Linux?: Mac OS High Sierra