Keep an eye on those revision descriptions.
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1local M = {}
2
3M.update_jj_status = function(bufnr)
4 vim.api.nvim_buf_set_var(bufnr, "jj_desc", "")
5
6 local current_file = vim.api.nvim_buf_get_name(bufnr)
7 if current_file == "" or current_file == nil then
8 vim.api.nvim_buf_del_var(bufnr, "jj_desc")
9 return
10 end
11
12 local jj_root = vim.fs.find(
13 ".jj", {
14 upward = true,
15 stop = vim.loop.os_homedir(),
16 path = current_file,
17 type = "directory",
18 }
19 )[1]
20
21 if not jj_root then
22 vim.api.nvim_buf_set_var(bufnr, "jj_desc", "~no_jj_repo~")
23 return
24 end
25
26 local repo_root = vim.fs.dirname(jj_root)
27 local _cmd = string.format("jj log -R %s -r @ -T description --no-graph", repo_root)
28
29 local cmd = { "jj", "log", "-R", repo_root, "-r", "@", "-T", "description", "--no-graph", }
30
31 vim.system(cmd, { text = true, cwd = vim.fs.dirname(repo_root) }, function(obj)
32 if obj.code ~= 0 then
33 vim.api.nvim_buf_del_var(bufnr, "jj_desc")
34 return
35 end
36
37 local output = vim.trim(obj.stdout or "")
38 output = output:gsub("\n", ""):gsub("^%s*", ""):gsub("%s*$", "")
39
40 if output == "" then output = "~no_desc~" end
41 if #output > 50 then output = string.sub(output, 1, 47) .. "..." end
42
43 vim.schedule(function()
44 if vim.api.nvim_buf_is_valid(bufnr) then
45 vim.api.nvim_buf_set_var(bufnr, "jj_desc", output)
46
47 if bufnr == vim.api.nvim_get_current_buf() then
48 vim.cmd.redrawstatus()
49 end
50 end
51 end)
52 end)
53end
54
55M.setup = function()
56 local group = vim.api.nvim_create_augroup("JJLogPlugin", { clear = true })
57
58 vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter", "BufWritePost", "FocusGained" }, {
59 group = group,
60 pattern = "*",
61 callback = function(args)
62 M.update_jj_status(args.buf)
63 end,
64 })
65end
66
67return M