Re-learning Vim (7)

Date: 2023/03/05 (initial publish), 2023/04/16 (last update)

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Nvim configuration retrospective

I have been updating Nvim configuration with AstroNvim as described in Re-learning Vim (5) and Re-learning Vim (6).

I also build the latest Nvim in Building Neovim to be compatible with the latest packages.

Although AstroNvim provided me with great features with simple and consistent customization mechanism, they were still a bit overwhelming and sometimes too much. I needed a simpler baseline Neovim configuration platform which offers most features as opt-in.

LazyVim

A new baseline Neovim setup system LazyVim is published by the upstream of the new smart delayed package loader 💤lazy.nvim.

Its guide is available at www.lazyvim.org.

LazyVim functions as a nice baseline Neovim configuration system similar to AstroNvim but with less complication. -> So I decided to switch over to this.

Terminal emulator

The current gnome-terminal seems to support true color and undercurls without much issues.

Just to be sure, I also installed kitty and alacritty which are officially supported by www.lazyvim.org.

The colorscheme for them was adjusted to match gnome-terminal to ensure readability for programs such as mc.

Key bindings

NOTE: The comment-out command is gc for LazyVim (it is <SPACE>/ for AstroNvim).

Colorscheme of Lazyvim

The default colorscheme for Lazyvim is tokyonight.

Now Neovim default to vim.go.background = "dark". (as of 0.9.0+)

mason.nvim support

mason.nvim manages binary commands used by null-ls.nvim. It can be started by :Mason (alternatively, <SPACE>cm). To update binary commands to the latest, just press “U”.

Basically, this helps us to install requested <packagename> package into ~/.local/share/nvim/mason/packages/<packagename>/ and make its executable <progname> program accessible from Neovim in ~/.local/share/nvim/mason/bin/<progname>. So executable programs from Neovim plugins are not the one on the main system.

As I see my situation with :checkhelth mason.:

mason: require("mason.health").check()
========================================================================
## mason.nvim report
  - OK: neovim version >= 0.7.0
  - OK: **Go**: `go version go1.19.6 linux/amd64`
  - OK: **cargo**: `cargo 1.65.0`
  - OK: **luarocks**: `/usr/bin/luarocks 3.8.0`
  - OK: **Ruby**: `ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x86_64-linux-gnu]`
  - OK: **RubyGem**: `3.3.15`
  - WARNING: **Composer**: not available
  - WARNING: **PHP**: not available
  - OK: **npm**: `9.2.0`
  - OK: **node**: `v18.13.0`
  - OK: **python3**: `Python 3.11.2`
  - OK: **pip3**: `pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)`
  - WARNING: **javac**: not available
  - OK: **java**: `openjdk version "17.0.6" 2023-01-17`
  - WARNING: **julia**: not available
  - OK: **wget**: `GNU Wget 1.21.3 built on linux-gnu.`
  - OK: **curl**: `curl 7.88.1 (x86_64-pc-linux-gnu) libcurl/7.88.1 OpenSSL/3.0.8 zlib/1.2.13 brotli/1.0.9 zstd/1.5.4 libidn2/2.3.3 libpsl/0.21.2 (+libidn2/2.3.3) libssh2/1.10.0 nghttp2/1.52.0 librtmp/2.3`
  - OK: **gzip**: `gzip 1.12`
  - OK: **tar**: `tar (GNU tar) 1.34`
  - WARNING: **pwsh**: not available
  - OK: **bash**: `GNU bash, version 5.2.15(1)-release (x86_64-pc-linux-gnu)`
  - OK: **sh**: `Ok`
  - OK: GitHub API rate limit. Used: 0. Remaining: 60. Limit: 60. Reset: Tue 07 Mar 2023 01:45:13 AM JST.

I ended up to install following Debian packages as required system programs.

See more :h mason.nvim

In order to make mason.nvim generated programs accessible from shell prompt, I have modifies ~.profile to include the following:

# set PATH so it includes mason.nvim's private bin if it exists (Neovim/mason.nvim)
if [ -d "$HOME/.local/share/nvim/mason/bin/" ]; then
    PATH="$HOME/.local/share/nvim/mason/bin:$PATH"
fi

I also added ~/.editorconfig to cope with sources using editorconfig.

I also create bash aliases:

LazyVim customization

I created folked LazyVim starter with my changes in osamu branch to keep backup of my local configuration. I intend to git push -f. It now contains following changes.

Update .gitigonore

I excluded lazy-lock.json from git repo.

Opening Gzip files

Since Debian ships most documentation files as Gzipped, I enabled “gzip” plugin for view purpose.

Extra features as opt-in features

I made following extra features disabled as started. These can be enabled via key bindings.

I also made <leader>uu as NOP to avoid accidental undo u.

Unicode codepoint in statusline

I replaced clock display in statusline with unicode codepoint such as [+U0044].

Vimdoc help files

I add access to many hidden help files available under LOCAL ADDITIONS: by running vimdoc-lazy.

Treesitter and LSP

It is a bit confusing what is all about Treesitter and LSP. Reddit gave me good intro: Treesitter vs LSP. Differences ans overlap.

The nvim-treesitter playground plugin is now integrated into Neovim v0.9, so :InspectTree works without installing this plugin.

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