Implement `bun install` error exit codes

[willyw0nka]

What is the problem this feature would solve?

bun install returns exit code 0 even when some packages could not be installed.

$ bun install
  bun install v0.4.0 (a94bba63)
    🔍 some-private-package [82/210] 
  error: package "some-private-package" not found registry.npmjs.org/some-private-package 404
   + @angular-devkit/[email protected]
   + @angular/[email protected]
   + @angular/[email protected]
   + @angular/[email protected]
   ...
   1554 packages installed [21.21s]

$ echo $?
  0

What is the feature you are proposing to solve the problem?

Return non zero exit codes when something went wrong.

$ bun install
  bun install v0.4.0 (a94bba63)
    🔍 some-private-package [82/210] 
  error: package "some-private-package" not found registry.npmjs.org/some-private-package 404
   + @angular-devkit/[email protected]
   + @angular/[email protected]
   + @angular/[email protected]
   + @angular/[email protected]
   ...
   1554 packages installed [21.21s]

$ echo $?
  1

What alternatives have you considered?

No response