Bug: External Commands via `:!` Freeze Neovim

[ankushhKapoor]

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Describe the bug

While going through the :Tutor in Neovim, I tried executing an external command using :! . When I typed :!echo HELLO, only the first character (e) was typed, and after that, the UI completely froze. No keystrokes worked, I couldn't switch modes, or exit — Neovim became unresponsive

To Reproduce

1. Open Neovim with Kickstart config.
2. Enter Normal Mode.
3. Type :!.
4. Try to type an external shell command like `echo HELLO.
5. Observe that only the first character is entered and Neovim becomes unresponsive.

Additional Info

When I tried running the same command (:!echo HELLO) using Neovim without any custom config (i.e., using nvim -u NONE), the command worked perfectly, and there were no freezes or input issues.

Desktop

• OS: Linux (Ubuntu) using WSL
• Terminal: Ubuntu Terminal

Neovim Version

NVIM v0.12.0-dev 
Build type: RelWithDebInfo
LuaJIT 2.1.1703358377

[guru245]

Hello @ankushhKapoor ,

Please apply this recipe for your environment.
https://github.com/Saghen/blink.cmp/blob/main/doc/recipes.md#disable-completion-in-only-shell-command-mode

I made a PR at first, but I decided to back down because it is only for git bash or WSL users.

[ankushhKapoor]

Thankss I'll look into it. ;)

[ankushhKapoor]

Problem solved, thank you! I'm new to Neovim (vim) , and this solution helped a lot. 🙌