Install.cmd Deletes PATH environment data

[CheshireC4t]

Make sure you have reviewed the common issues and existing issues before submitting a new issue.

If this is a question about how to use NVM4W, please use stackoverflow instead.

If this is an issue regarding antivirus, make sure you search the existing issues first.

My Environment

• Windows 7 or below (not truly supported due to EOL - see wiki for details)

• Windows 8

• Windows 8.1

• [X ] Windows 10

• Windows 10 IoT Core

• Windows Server 2012

• Windows Server 2012 R2

• Windows Server 2016

• My Windows installation is non-English.

I'm using NVM4W version:

1.1.7

I have already...

• [X ] read the README to be aware of npm gotchas & antivirus issues.
• [X ] reviewed the wiki to make sure my issue hasn't already been resolved.
• [X ] verified I'm using an account with administrative privileges.
• [X ] searched the issues (open and closed) to make sure this isn't a duplicate.
• [X ] made sure this isn't a question about how to use NVM for Windows, since gitter is used for questions and comments.

My issue is related to (check only those which apply):

• settings.txt
• proxy support (Have you tried version 1.1.0+?)
• 32 or 64 bit support (Have you tried version 1.1.3+?)
• Character escaping (Have you tried version 1.1.6+?)
• A standard shell environment (terminal/powershell)
• [X ] A non-standard shell environment (Cmder, Hyper, Cygwin, git)

Expected Behavior

When running "install.cmd", you expect 2 more paths to be added to the PATH environment variable.

Actual Behavior

It will delete a lot of data in your PATH variable caused by this line:
setx /M PATH "%PATH%;%NVM_HOME%;%NVM_SYMLINK%"

Steps to reproduce the problem:

1. Have PATH environment variable contain data above 1024 characters long.
2. Run "install.cmd".
3. See warning message, "WARNING: The data being saved is truncated to 1024 characters. SUCCESS: Specified value was saved."
4. Check your environment PATH, only the first 1024 characters were kept, everything else was deleted.
5. Cringe as your computer explodes and do a system restore. :-p

Cause:

As outlined in below link, SETX can't handle more than 1024 characters.
https://superuser.com/questions/812754/how-to-recover-from-path-being-truncated-to-1024-characters-by-setx

[beatgrabe]

I have had the same or similar issue. The variables are not resolved, see screenshot from Rapid Environment Editor:

Also my nodejs/npm entries are gone...My PATH contains more than 1400 characters...

[totszwai]

Install.cmd also doesn't work in Windows container, the last line where it tries to open the settings.txt in notepad just hangs the whole container as there is no GUI