77 lines
3 KiB
Markdown
77 lines
3 KiB
Markdown
# diffs.nvim
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**Syntax highlighting for diffs in Neovim**
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Enhance `vim-fugitive` and Neovim's built-in diff mode with language-aware
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syntax highlighting.
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## Features
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- Treesitter syntax highlighting in fugitive diffs and commit views
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- Character-level intra-line diff highlighting (with optional
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[vscode-diff](https://github.com/esmuellert/codediff.nvim) FFI backend for
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word-level accuracy)
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- `:Gdiff` unified diff against any revision
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- Background-only diff colors for `&diff` buffers
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- Inline merge conflict detection, highlighting, and resolution
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- Vim syntax fallback, configurable blend/debounce/priorities
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## Requirements
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- Neovim 0.9.0+
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## Installation
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Install with your package manager of choice or via
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[luarocks](https://luarocks.org/modules/barrettruth/diffs.nvim):
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```
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luarocks install diffs.nvim
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```
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## Documentation
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```vim
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:help diffs.nvim
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```
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## Known Limitations
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- **Incomplete syntax context**: Treesitter parses each diff hunk in isolation.
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Context lines within the hunk (` ` prefix) provide syntactic context for the
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parser. In rare cases, hunks that start or end mid-expression may produce
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imperfect highlights due to treesitter error recovery.
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- **Syntax flashing**: `diffs.nvim` hooks into the `FileType fugitive` event
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triggered by `vim-fugitive`, at which point the buffer is preliminarily
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painted. The buffer is then re-painted after `debounce_ms` milliseconds,
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causing an unavoidable visual "flash" even when `debounce_ms = 0`.
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- **Conflicting diff plugins**: `diffs.nvim` may not interact well with other
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plugins that modify diff highlighting. Known plugins that may conflict:
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- [`diffview.nvim`](https://github.com/sindrets/diffview.nvim) - provides its
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own diff highlighting and conflict resolution UI
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- [`mini.diff`](https://github.com/echasnovski/mini.diff) - visualizes buffer
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differences with its own highlighting system
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- [`gitsigns.nvim`](https://github.com/lewis6991/gitsigns.nvim) - generally
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compatible, but both plugins modifying line highlights may produce
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unexpected results
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- [`git-conflict.nvim`](https://github.com/akinsho/git-conflict.nvim) -
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`diffs.nvim` now includes built-in conflict resolution; disable one or the
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other to avoid overlap
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# Acknowledgements
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- [`vim-fugitive`](https://github.com/tpope/vim-fugitive)
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- [@esmuellert](https://github.com/esmuellert) /
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[`codediff.nvim`](https://github.com/esmuellert/codediff.nvim) - vscode-diff
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algorithm FFI backend for word-level intra-line accuracy
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- [`diffview.nvim`](https://github.com/sindrets/diffview.nvim)
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- [`difftastic`](https://github.com/Wilfred/difftastic)
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- [`mini.diff`](https://github.com/echasnovski/mini.diff)
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- [`gitsigns.nvim`](https://github.com/lewis6991/gitsigns.nvim)
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- [`git-conflict.nvim`](https://github.com/akinsho/git-conflict.nvim)
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- [@phanen](https://github.com/phanen) - diff header highlighting, unknown
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filetype fix, shebang/modeline detection, treesitter injection support
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