ZSH $ARG_ZERO not available - zsh

I am trying to use $ZSH_ARGZERO according to this answer.
However that variable is not available in my terminal (interactive) or scripts. I assume a setopt has to be allowed (although I might be incorrect). I am not aware of having disabled it in my terminal.
my zsh --version is zsh 5.1.1.
Thank you

$ZSH_ARGZERO was introduced in Zsh 5.3. You will need to upgrade.

Related

Can I use zsh as the default non-interactive shell for WSL2 Ubuntu?

I am trying to use Run/Debug Configurations on WebStorm, however it doesn't seem to source .zshrc and produces errors about not finding commands and environment variables. (An example of this would be yarn tauri dev when using Tauri)
I have installed Ubuntu 20.04 in WSL and the project I opened in WebStorm resides under the $HOME directory. WebStorm is installed in Windows.
For the interactive shell, I have made zsh the default by chsh -s $(which zsh), but when using Run/Debug Configurations it uses the default non-interactive shell, which is dash as far as I know. And my environment variables and PATH are all set in .zshrc, which is not sourced by dash.
It seems in CLion, it is possible to execute commands in the login shell according to this YouTrack issue, but such an option is not available on WebStorm.
Is it possible to use zsh instead of dash as the default non-interactive shell? If not, it would help me a lot to know what is the best practice in such situations.
There are several questions and points you make:
First, from the question title (and the summary at the end):
Can I use zsh as the default non-interactive shell for WSL2 Ubuntu?
Well, maybe (using symlinks), but it would be a really bad idea. So many built-in scripts rely on /bin/sh pointing to Dash, or at least Bash. While Zsh might be compatible with 99.9% of them, eventually there's a strong likelihood that some difference in Zsh would cause a system-level script to fail (or at least produce results inconsistent with those from Dash).
It is possible in Ubuntu to change the default non-interactive ("system" shell) from Dash to Bash with sudo dpkg-reconfigure dash. If you select "No" in the resulting dialog, then the system will be updated to point /bin/sh to bash instead of dash.
But not to Zsh, no.
when using Run/Debug Configurations it uses the default non-interactive shell, which is dash as far as I know
I don't run WebStorm myself, so I'm not sure on this exactly. Maybe #lena's answer (or another) will cover it for you, but if it doesn't, I'm noticing this doc page. It might be worth trying to specify Zsh in those settings, but again, I can't be sure.
And my environment variables and PATH are all set in .zshrc, which is not sourced by dash.
Hmm. I'm guessing you would need these set in a .profile/.zprofile equivalent regardless. I would assume that WebStorm is executing the shell as a non-interactive one, which means that it wouldn't even parse ~/.bashrc if Bash was your default shell.
... it would help me a lot to know what is the best practice in such situations.
Best practice is probably to make sure that your ~/.profile has any environment changes needed. Yes, this violates DRY (don't repeat yourself), but it's probably the best route.
Thanks to the answer here and the discussion below, I was able to figure it out. (Thank you, #NotTheDr01ds and #lena.)
The main problem is that WebStorm is installed on Windows and therefore knows only the environment variables in Windows. There are two ways to solve the problem as follows.
Sharing WSL's environment variable to Windows through WSLENV
Add the line below to .zshrc so that it sets $WSLENV when zsh starts.
export WSLENV=VAR_I_WANT_TO_SHARE:$WSLENV
# Don't forget to insert the colon
# And for some reason, appending the variable after $WSLENV didn't work well
In Windows, run
wsl -e zsh -lic powershell.exe
This runs WSL using zsh (logged-in and interactive), then runs powershell which brings you back to Windows. Although this doesn't seem to achieve anything, by going through zsh in WSL, .zshrc was sourced and therefore $WSLENV set as well. You can check if it worked well by running the below command after you've run the above.
$env:VAR_I_WANT_TO_SHARE
Run WebStorm from the PowerShell that was just created.
& 'C:\Program Files (x86)\JetBrains\WebStorm 2022.1.3\bin\webstorm64.exe'
When you run or debug any of the Run/Debug Configurations, you will see that the environment variable is shared successfully.
Setting the PATH in Windows
For most environment variables, the previous method works well. However, PATH is an exception. The Windows PATH is shared to WSL by default. The opposite doesn't work, probably because the PATH in WSL should not interfere with Windows.I've tried adding the $PATH of WSL into $WSLENV but it didn't seem to work.
In the end, what I did was manually adding each needed $PATH of WSL into the Windows PATH.
For example, if there was export PATH=$PATH:home/(username)/.cargo/bin in .zshrc, you can then add \\wsl$\Ubuntu\home\(username)\.cargo\bin to the Windows $env:Path using the Environment Variable window.
I might have made some mistakes, so feel free to leave an edit or comments.
You can try using npm config set script-shell command to set the shell for your scripts. Like npm config set script-shell "/usr/bin/zsh".
When npm run <script name> spawns a child process, the SHELL being used depends on NPM environment. Cм https://docs.npmjs.com/cli/run-script:
The actual shell your script is run within is platform dependent. By
default, on Unix-like systems it is the /bin/sh command, on Windows it
is the cmd.exe. The actual shell referred to by /bin/sh also depends
on the system. As of npm#5.1.0 you can customize the shell with the
script-shell configuration
See also https://github.com/npm/npm-lifecycle/blob/10c0c08fc25fea3c18c7c030d4618a401963355a/index.js#L293-L304

Where is make on msys2/mingw-w64?

On msys2, I installed the mingw-w64 toolchain. I can run gcc from MINGW64 shell, but not make. pacman claims mingw-w64-x86_64-make is installed. What gives?
Just to add some details to the previous comments: On Windows you can open a command prompt (as admin), go to the c:\<your msys installation path>\mingw64\bin directory and run mklink make mingw32-make.exe to create a symbolic link. That will allow you to run the make command in the MINGW64 shell
The answer is simple but not obvious. They distribute mingw32-make.exe and expect you to symlink it by hand. Typical *nix-think.
Your PATH directories may not be set correctly.
This thread may help.

How to search completion list in zsh just like fish shell?

In fish shell, I can use Shift+Tab to search completion list. But I don't know how to do that in zsh.
I think what you're looking for is additional functionality from zsh-users called zsh-completions.
I've just started using this, and since I also have Homebrew, I was able to install it easily with brew install zsh zsh-completions. But the linked resource has many installation options and instructions.
When you're done installing you should probably run source ~/.zshrc and then you should see the effects.

Command not found

I want use oh-my-zsh jhipster plugin. I followed Jhipster guidelines using
http://www.jhipster.tech/oh-my-zsh/
After setting up everything, whenever i try to use command jh, it doesn't work. I get response
zsh: command not found
I'm not familiar with shell scripting language. Please help me.
Yes, you need to:
install zsh
install oh-my-zsh
configure your default shell to use zsh -> it is important
install jhipster-oh-my-zsh-plugin
Here the commands we do for our jhipster-devbox (on Ubuntu):
https://github.com/jhipster/jhipster-devbox/blob/master/scripts/setup.sh#L100-L112
Did you installed zsh?
I am not familiar with MAC, but it should be something like:
brew install zsh zsh-completions
here some more in-deep instructions:
http://sourabhbajaj.com/mac-setup/iTerm/zsh.html

Zsh wants to autocorrect a command, with an _ before it

I just started using Zsh lately for some of the integrated support in the shell prompt for my Git status etc.
When I type in:
ruby -v
to confirm the version of ruby I'm running, Zsh asks if I want to change the command to _ruby. Well after saying no at the prompt and the command completing as expected I continue to get the question at the prompt after confirming my command is correct.
I'm assuming there is a completion file or something of the sort.
Thanks
Update:
The shell is no longer trying to complete _ruby, it stopped responding after closing the shell a few times some how.
I tried to clean the file up several times but there is a "opts" variable that is 50 or more lines long and the lines are all ran together, some lines more than 150 characters. Maybe I could email an attachment to you if you still want to see it.
I sincerely apologize for the messy post.
This is command autocorrection, activated by the correct option. It has nothing to do with completion. You're seeing _ruby because zsh thinks there is no ruby command and it offers _ruby as the nearest existing match.
If you've just installed ruby, it's possible that zsh has memorized the list of available command earlier, and it won't always try to see if the command has appeared in between. In that case, run hash -rf. Future zsh sessions won't have this problem since the ruby command already existed when they started.
Sometimes, when you change your PATH, zsh forgets some hashed commands. The option hash_listall helps against this. As above, if you can force zsh to refresh its command cache with hash -rf.
You could make an alias:
alias ruby='nocorrect ruby'
It's what I did when zsh kept asking me if I meant .meteor when I typed meteor because auto-correct is still useful from time to time.
I find the autocorrect feature can get annoying at times. So I do in my ~/.zshrc,
DISABLE_CORRECTION="true"
I had the same problem even when the command is not installed.
I can solve it using the CORRECT_IGNORE variable in my .zshrc
# OPTs to enable
setopt HASH_LIST_ALL
setopt CORRECT
# Zsh variable to determine what to ignore,
# in this case everything starting with _ or .
CORRECT_IGNORE="[_|.]*"
I hope it helps to you or anyone with this issue
Sometime ago after an update, I got command auto-correction enabled which I don't want. If the same happened to you and you want to revert it, in the ~/.zshrc file you'll have make it:
# Uncomment the following line to enable command auto-correction.
ENABLE_CORRECTION="false"
or comment it as per bellow:
# Uncomment the following line to enable command auto-correction.
# ENABLE_CORRECTION="true"
Just a note, on my zsh (version 5.7.1 on macOS), the DISABLE_CORRECTION didn't work.
I saw in my .zshrc file the following two lines, which I then commented out
setopt CORRECT
setopt CORRECT_ALL
That did it for me.

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