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Linux kernel hacker and maintainer etc.

OpenPGP: 3AB05486C7752FE1
@Beowulf Thanks, I will retry once I have an urgent need for update. I use relatively small collection of plugins, and trivial configuration so I don't particularly rush ;-) https://gitlab.com/jarkkojs/skeleton/-/blob/main/.config/nvim/init.lua?ref_type=heads
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Well, these authors cut right to the chase in this paper!






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Jarkko Sakkinen

Edited 1 year ago

Just noticed that #aerc has native support for #zoxide: see :z. #email

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@kornel Hmm, well it is not a bad workaround, thanks!
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And also would probably help writing bindgen style utilities for Rust (less corner cases when porting from C).
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Jarkko Sakkinen

Would make porting all sorts of old protocol stacks to #Rust so much easier if the enum fields could have aliased names. #rustlang
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Jarkko Sakkinen

I'm looking into repealing and replacing the error type with this with the error type from my lab project: https://github.com/tpm-rs/tpm-rs/issues/71

#tpm #tpmrs #rust #rustlang
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@ljs thanks, found this entertaining...
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Jarkko Sakkinen

Language Server Protocol really would need a competitor with a #plugin based architecture.

Then editor and analyzer could have:

1. A better memory and caching strategy.
2. Both faster performance and lower operation latency.

#LSP is IMHO is exactly like the worst ideas of lrzsz modified to work as a language analyzer.
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Jarkko Sakkinen

#telescope is awesome with the #kernel tree #neovim
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@fale @cgwalters how does bootc align with e.g. https://lwn.net/Articles/644675/ ? just interested...
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Fabio Alessandro "Fale" Locati

The work on #bootc Is coming along very nice! This morning keynote by @cgwalters, Dan Walsh, and Stef Walter was very nice to see the current state of it in #Fedora and CentOS Stream. #devconf_cz

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Jarkko Sakkinen

Edited 1 year ago

Was trivial to workaround though:

sudo dnf downgrade neovim
sudo dnf install 'dnf-command(versionlock)'
sudo dnf versionlock add neovim

Now:

❯ nvim --version | head -1
NVIM v0.9.5

No issues with 0.9.5 and no rush upgrade to 0.10.0, so all good as far as I’m concerned.

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Jarkko Sakkinen

#neovim in #fedora 40 does this when opening a #lua file:

Error detected while processing BufReadPost Autocommands for "*":
Error executing lua callback: /usr/share/nvim/runtime/filetype.lua:35: Error executing lua: /usr/share/nvim/runtime/filetype.lua:36:
 BufReadPost Autocommands for "*"..FileType Autocommands for "*"..function <SNR>1_LoadFTPlugin[20]..script /usr/share/nvim/runtime/f
tplugin/lua.lua: Vim(runtime):E5113: Error while calling lua chunk: /usr/share/nvim/runtime/lua/vim/treesitter/language.lua:107: no
parser for 'lua' language, see :help treesitter-parsers
stack traceback:
        [C]: in function 'error'
        /usr/share/nvim/runtime/lua/vim/treesitter/language.lua:107: in function 'add'
        /usr/share/nvim/runtime/lua/vim/treesitter/languagetree.lua:111: in function 'new'
        /usr/share/nvim/runtime/lua/vim/treesitter.lua:41: in function '_create_parser'
        /usr/share/nvim/runtime/lua/vim/treesitter.lua:108: in function 'get_parser'
        /usr/share/nvim/runtime/lua/vim/treesitter.lua:416: in function 'start'
        /usr/share/nvim/runtime/ftplugin/lua.lua:2: in main chunk
        [C]: in function 'nvim_cmd'
        /usr/share/nvim/runtime/filetype.lua:36: in function </usr/share/nvim/runtime/filetype.lua:35>
        [C]: in function 'nvim_buf_call'
        /usr/share/nvim/runtime/filetype.lua:35: in function </usr/share/nvim/runtime/filetype.lua:10>
stack traceback:
        [C]: in function 'nvim_cmd'
        /usr/share/nvim/runtime/filetype.lua:36: in function </usr/share/nvim/runtime/filetype.lua:35>
        [C]: in function 'nvim_buf_call'
        /usr/share/nvim/runtime/filetype.lua:35: in function </usr/share/nvim/runtime/filetype.lua:10>
stack traceback:
        [C]: in function 'nvim_buf_call'
        /usr/share/nvim/runtime/filetype.lua:35: in function </usr/share/nvim/runtime/filetype.lua:10>
Press ENTER or type command to continue
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@epage ok, thanks, i'll check it out!
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@alilleybrinker ok it was *that* idiomatic :-O thanks!
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I sorted this out for the moment that changed the dependency to the form expected by cargo publish: https://crates.io/crates/tpm2_cli

So, main goal for 0.1.2 is to fix this glitch ;-)

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Jarkko Sakkinen

When cargo publish -p tpm2_cli , I need to

tpm2_call = "0.1.1"

… while building locally:

tpm2_call = { path = "../tpm2_call" }

How to sort this out in “idiomatic manner”?

#rust #rustlang

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Jarkko Sakkinen

Edited 1 year ago

There should be TryFrom equivalent for Option tho. In this example not having that adds only extra complexity… Like MaybeFrom ?

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For this type of rigid decoding Rust’s type system is pretty efficient:

pub struct ReturnCodeError;    
    
impl TryFrom<u16> for ReturnCode {    
    type Error = ReturnCodeError;    
    
    fn try_from(value: u16) -> Result<Self, Self::Error> {    
        Self::from_repr(if value & RC_FMT1 != 0 {    
            value & (0x3F + RC_FMT1)    
        } else if value & RC_WARN != 0 {    
            value & (0x7F + RC_WARN)    
        } else if value & RC_VER1 != 0 {    
            value & (0x7F + RC_VER1)    
        } else {    
            // RC_VER0    
            value & 0x7F    
        })    
        .ok_or(ReturnCodeError)    
    }    
}    
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