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fix: prevent crash with render-markdown.nvim on new file diff accept #224

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fix: prevent crash with render-markdown.nvim on new file diff accept #224

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5 changes: 5 additions & 0 deletions lua/claudecode/diff.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -858,6 +858,11 @@ local function register_diff_autocmds(tab_name, new_buffer)
buffer = new_buffer,
callback = function()
M._resolve_diff_as_saved(tab_name, new_buffer)
-- Explicitly turn off diff mode before Neovim does its post-write redraw.
-- This prevents a crash (exit code 139) when render-markdown.nvim is installed
-- and the diff involves a new file. Without this, the post-callback redraw
-- triggers render-markdown on a buffer still in diff mode, causing a segfault.
pcall(vim.cmd, "diffoff")
-- Prevent actual file write since we're handling it through MCP
return true
end,
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