npm update for local modules does not work for version 6.4.0


(Jmf Nodejs User) #1

What I Wanted to Do

I have a project based on nodejs, with 3 local node modules (i.e. not from the npm registry). Install these local modules with
‘npm install --save path_to_the_local_module/module_name’
The local node modules are added with symlinks since npm version 5.0.0. This was to make the life of developers working on different local node_module projects.
With npm version 5.6.0 : if the ‘npm update’ was called in the main project, all the local modules were updated (including the missing ones).
With npm version 6.4.0 : the ‘npm update’ does not work for local modules anymore

What Happened Instead

Calling npm update, showed no output.
The node_modules were not updated.

Reproduction Steps

simply update npm to 6.4.0.
Create a main project, which depends on one or more locally available node_modules (i.e. node modules created on the local computer for personal/internal use).
Install the local node_modules with
‘npm install --save path_to_the_local_module/module_name’
The package.json of the main project, will contain the path to the locally available node module.
Delete the node_modules folder from the main project.
Run ‘npm update’

Platform Info

nodejs version = 8.9.4
npm version = 6.4.0
OS is Linux “ubuntu LTS 16.04”
npm --versions
{ npm: ‘6.4.0’,
ares: ‘1.10.1-DEV’,
cldr: ‘32.0’,
http_parser: ‘2.8.0’,
icu: ‘60.1’,
modules: ‘57’,
napi: ‘3’,
nghttp2: ‘1.32.0’,
node: ‘8.11.3’,
openssl: ‘1.0.2o’,
tz: ‘2017c’,
unicode: ‘10.0’,
uv: ‘1.19.1’,
v8: ‘6.2.414.54’,
zlib: ‘1.2.11’ }

(Sven) #2

Thanks for reporting @jmfNodejsUser. I’ve also run into this issue.

Building upon the reproduction steps from above, here is a minimal, concrete setup to reproduce the bug - hope that helps :slightly_smiling_face: .

First, create the following files

├── a
│   └── package.json
└── b
    └── package.json

with a/package.json

    "dependencies": {
        "b": "file:../b"

and b/package.json

    "name": "b",
    "version": "0.1.0",
    "dependencies": {
        "chai": "^4"

Then enter directory a and run npm update.

Observe that nothing is installed at all :cry: :wink:

(Lars Willighagen) #3

Seems to be caused by this commit introduced in v3.7.4. I’m not sure if that guard is still necessary, running without it installs everything just fine.

(Lars Willighagen) #4

I made a PR:

(system) closed #5

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