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docs(readme): mention blend alpha and highlight overrides
2026-02-07 15:53:08 -05:00
.github fix: remove useless ci script 2026-02-04 15:39:27 -05:00
doc feat(highlight): add highlights.overrides config table 2026-02-07 15:49:56 -05:00
lua/diffs feat(highlight): add highlights.overrides config table 2026-02-07 15:49:56 -05:00
plugin feat: add <Plug> mappings 2026-02-07 14:12:49 -05:00
spec fix(highlight): use hunk body as context for header treesitter parsing 2026-02-07 15:10:07 -05:00
.busted feat(test): testing infrastructure 2026-02-01 23:09:05 -05:00
.editorconfig feat: initial setup files 2026-02-01 16:30:24 -05:00
.gitignore feat: initial setup files 2026-02-01 16:30:24 -05:00
.luarc.json fix(ci): add jit to luarc globals for lua-language-server 2026-02-06 13:58:30 -05:00
.pre-commit-config.yaml fix: use yaml, not yml YAML file extension 2026-02-02 22:14:04 -05:00
.prettierignore feat: initial setup files 2026-02-01 16:30:24 -05:00
.prettierrc fix: use yaml, not yml YAML file extension 2026-02-02 22:14:04 -05:00
diffs.nvim-scm-1.rockspec feat: rename everything 2026-02-02 22:09:13 -05:00
LICENSE feat: initial setup files 2026-02-01 16:30:24 -05:00
README.md docs(readme): mention blend alpha and highlight overrides 2026-02-07 15:53:08 -05:00
selene.toml feat: initial setup files 2026-02-01 16:30:24 -05:00
stylua.toml feat: initial setup files 2026-02-01 16:30:24 -05:00
vim.toml cleanup 2026-02-02 14:06:58 -05:00

README.md

diffs.nvim

Syntax highlighting for diffs in Neovim

Enhance vim-fugitive and Neovim's built-in diff mode with language-aware syntax highlighting.

diffs.nvim preview

Features

  • Treesitter syntax highlighting in :Git diffs and commit views
  • Diff header highlighting (diff --git, index, ---, +++)
  • :Gdiffsplit / :Gvdiffsplit syntax through diff backgrounds
  • :Gdiff unified diff against any git revision with syntax highlighting
  • Fugitive status buffer keymaps (du/dU) for unified diffs
  • Background-only diff colors for any &diff buffer (:diffthis, vimdiff)
  • Vim syntax fallback for languages without a treesitter parser
  • Hunk header context highlighting (@@ ... @@ function foo())
  • Character-level (intra-line) diff highlighting for changed characters
  • Configurable debouncing, max lines, diff prefix concealment, blend alpha, and highlight overrides

Requirements

  • Neovim 0.9.0+

Installation

Install with your package manager of choice or via luarocks:

luarocks install diffs.nvim

Documentation

:help diffs.nvim

Known Limitations

  • Incomplete syntax context: Treesitter parses each diff hunk in isolation. To improve accuracy, diffs.nvim reads lines from disk before and after each hunk for parsing context (highlights.context, enabled by default with 25 lines). This resolves most boundary issues. Set highlights.context.enabled = false to disable.

  • Syntax flashing: diffs.nvim hooks into the FileType fugitive event triggered by vim-fugitive, at which point the buffer is preliminarily painted. The buffer is then re-painted after debounce_ms milliseconds, causing an unavoidable visual "flash" even when debounce_ms = 0.

  • Conflicting diff plugins: diffs.nvim may not interact well with other plugins that modify diff highlighting. Known plugins that may conflict:

    • diffview.nvim - provides its own diff highlighting and conflict resolution UI
    • mini.diff - visualizes buffer differences with its own highlighting system
    • gitsigns.nvim - generally compatible, but both plugins modifying line highlights may produce unexpected results
    • git-conflict.nvim - conflict marker highlighting may overlap with diffs.nvim

Acknowledgements