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feat: add the entire plugin

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Barrett Ruth 2026-02-01 17:38:32 -05:00
parent 7eade50d05
commit 21b8cfb470
7 changed files with 382 additions and 5 deletions
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README.md
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@ -4,7 +4,9 @@ Treesitter syntax highlighting for vim-fugitive diff views.
## Problem
vim-fugitive uses regex-based `syntax/diff.vim` for highlighting expanded diffs in the status buffer. This means code inside diffs has no language-aware highlighting:
vim-fugitive uses regex-based `syntax/diff.vim` for highlighting expanded diffs
in the status buffer. This means code inside diffs has no language-aware
highlighting:
```
Unstaged (1)
@ -17,7 +19,9 @@ M lua/mymodule.lua
## Solution
Hook into fugitive's buffer, detect diff hunks, extract the language from filenames, and apply treesitter highlights as extmarks on top of fugitive's existing highlighting.
Hook into fugitive's buffer, detect diff hunks, extract the language from
filenames, and apply treesitter highlights as extmarks on top of fugitive's
existing highlighting.
```
Unstaged (1)
@ -66,6 +70,7 @@ Staged (N)
```
Pattern to detect:
- Filename: `^[MADRC?] .+%.(%w+)$` → captures extension
- Hunk header: `^@@ .+ @@`
- Code lines: after hunk header, lines starting with ` `, `+`, or `-`
@ -154,7 +159,8 @@ end
### 6. Re-highlight on Buffer Change
Fugitive modifies the buffer when user expands/collapses diffs. Need to re-parse:
Fugitive modifies the buffer when user expands/collapses diffs. Need to
re-parse:
```lua
vim.api.nvim_create_autocmd({"TextChanged", "TextChangedI"}, {
@ -226,5 +232,5 @@ require("fugitive-ts").setup({
- [Neovim Treesitter API](https://neovim.io/doc/user/treesitter.html)
- [vim-fugitive User events](https://github.com/tpope/vim-fugitive/blob/master/doc/fugitive.txt)
- [nvim_buf_set_extmark](https://neovim.io/doc/user/api.html#nvim_buf_set_extmark())
- [vim.treesitter.get_string_parser](https://neovim.io/doc/user/treesitter.html#vim.treesitter.get_string_parser())
- [nvim_buf_set_extmark](<https://neovim.io/doc/user/api.html#nvim_buf_set_extmark()>)
- [vim.treesitter.get_string_parser](<https://neovim.io/doc/user/treesitter.html#vim.treesitter.get_string_parser()>)