pnpm update --prod installs dev dependencies

[hyunbinseo]

Verify latest release

• I verified that the issue exists in the latest pnpm release

pnpm version

9.0.6

Which area(s) of pnpm are affected? (leave empty if unsure)

CLI

Link to the code that reproduces this issue or a replay of the bug

No response

Reproduction steps

pnpm i --prod
# Lockfile is up to date, resolution step is skipped
# Already up to date

# devDependencies: skipped

# Done in 1.1s

pnpm up --prod

# devDependencies:
# + @sveltejs/adapter-node 5.0.1
# + @sveltejs/kit 2.5.3
# + @sveltejs/vite-plugin-svelte 3.0.2
# ...

pnpm i --prod
# Lockfile is up to date, resolution step is skipped
# Packages: -272
# 
# devDependencies:
# - @sveltejs/adapter-node 5.0.1
# - @sveltejs/kit 2.5.3
# - @sveltejs/vite-plugin-svelte 3.0.2
# ...

Describe the Bug

pnpm up --prod installs dev dependencies if they are not installed.

Expected Behavior

pnpm up --prod should only install and update non-dev dependencies. It should not install anything else.

Which Node.js version are you using?

20.12.2

Which operating systems have you used?

• macOS
• Windows
• Linux

If your OS is a Linux based, which one it is? (Include the version if relevant)

Ubuntu