Custom NVR_CMD causes error

[daniprado]

Starting with version 2.5.0, the use of custom $NVR_CMD fails without opening the server. My guessing is: the "listen" option is not sent in the right position to be processed by the nvim backend. Example: NVR_CMD=nvim-qt nvr -s --servername ~/test p.txt results in nvim-qt: Unknown option 'listen'.

This worked well in 2.4.x (and previous) versions.

Software versions:

• nvr 2.5.0
• NVIM v0.7.0
• pynvim 0.4.3
• psutil 5.8.0
• Python 3.10.4
• NVIM-QT v0.2.16.1 (also tested using neovide)
• Arch Linux x86_64 (5.15.37-1-lts kernel)

[daniprado]

I understand the problem better now. Some nvim GUIs (nvim-qt, neovide,...) require "--" before accepting parameters meant for the nvim backend. Others do not require this.

This minimal change would allow defining NVR_CMD to take this situation into account. In my previous example: NVR_CMD="nvim-qt --" nvr -s --servername ~/test p.txt would work as expected.