skywind3000 / skywind3000/z.lua
Powershell is unable to initialise z.lua when the path exceeds 4096 characters
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Description
PS > Invoke-Expression (& { (lua C:\Users\chenx\scoop\apps\z.lua\current\z.lua --init powershell) -join "`n" })
C:\Users\chenx\scoop\apps\lua\current\lua55.exe: C:\Users\chenx\scoop\apps\z.lua\current\z.lua:508: attempt to index a nil value (local 'output')
stack traceback:
C:\Users\chenx\scoop\apps\z.lua\current\z.lua:508: in function <C:\Users\chenx\scoop\apps\z.lua\current\z.lua:497>
(...tail calls...)
C:\Users\chenx\scoop\apps\z.lua\current\z.lua:2781: in global 'z_windows_init'
C:\Users\chenx\scoop\apps\z.lua\current\z.lua:2010: in global 'main'
C:\Users\chenx\scoop\apps\z.lua\current\z.lua:2991: in main chunk
[C]: in ?
Invoke-Expression: Cannot bind argument to parameter 'Command' because it is an empty string.
Lua version: 5.5.0
z.lua version: 1.8.25
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with z.lua lines 497-508 and the z_windows_init entry point named in the traceback. Reproduce the failure by running the shown PowerShell initialization command with a path exceeding 4096 characters, then inspect why output is nil. Done means initialization produces a non-empty command and Invoke-Expression completes successfully.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- lua, powershell
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 68/100