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feat(buf_ls): add filetype for buf config files #4384

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Merged
justinmk merged 1 commit into from
Apr 10, 2026
+21 −1
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feat(buf_ls): add filetype for buf config files #4384

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22 changes: 21 additions & 1 deletion lsp/buf_ls.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -4,11 +4,31 @@
--- buf lsp included in the cli itself
---
--- buf lsp is a Protobuf language server compatible with Buf modules and workspaces
---
--- buf lsp also supports Buf configuration files. The `buf-config` filetype is not
--- detected automatically; register it manually (see below) or override the filetypes:
---
--- ```lua
--- vim.filetype.add({
--- filename = {
--- ['buf.yaml'] = 'buf-config',
--- ['buf.gen.yaml'] = 'buf-config',
--- ['buf.policy.yaml'] = 'buf-config',
--- ['buf.lock'] = 'buf-config',
--- },
--- })
--- ```
---
--- Optionally, tell treesitter to treat buf config files as YAML for syntax highlighting:
---
--- ```lua
--- vim.treesitter.language.register('yaml', 'buf-config')
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@stefanvanburen stefanvanburen Apr 10, 2026

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this might be moot with vim/vim#19935 / neovim/neovim#38897, since all of the extensions / names are taken care of upstream...

--- ```

---@type vim.lsp.Config
return {
cmd = { 'buf', 'lsp', 'serve', '--log-format=text' },
filetypes = { 'proto' },
filetypes = { 'proto', 'buf-config' },
root_markers = { 'buf.yaml', '.git' },
reuse_client = function(client, config)
-- `buf lsp serve` is meant to be used with multiple workspaces.
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