Files
flake/nvim/lua/jj-snacks.lua
2026-08-05 12:30:13 +02:00

507 lines
15 KiB
Lua

local function jj_cwd(from, opts, ctx)
local cwd
cwd = (opts and opts.cwd) or from or vim.uv.cwd() or '.'
cwd = vim.fs.normalize(cwd)
cwd = vim.fs.root(cwd, '.jj')
if not cwd then
Snacks.notify.error 'Cannot find `.jj` folder. To initialize a repository use `jj git init .`'
ctx.picker.closed = true
return nil
end
return cwd
end
local STATUS_HL = {
["A"] = "SnacksPickerGitStatusAdded",
["M"] = "SnacksPickerGitStatusModified",
["D"] = "SnacksPickerGitStatusDeleted",
["R"] = "SnacksPickerGitStatusRenamed",
["C"] = "SnacksPickerGitStatusCopied",
["?"] = "SnacksPickerGitStatusUntracked",
}
local function status_hl(status)
return STATUS_HL[status] or "SnacksPickerGitStatus"
end
Snacks.picker.jj_log = function(file)
local title = "jj log"
if file then
title = "jj log file"
end
-- Capture the open file before the picker takes over the current buffer, so
-- we search for the `.jj` root closest to it rather than from nvim's pwd.
local from = file or vim.api.nvim_buf_get_name(0)
if from == "" then
from = nil
end
Snacks.picker.pick({
title = title,
supports_live = false,
finder = function(opts, ctx)
local cwd = jj_cwd(from, opts, ctx)
local template = [[
separate("\0",
self.change_id().shortest(),
self.change_id().shortest(8),
commit_timestamp(self).format("%Y-%m-%d %H:%M"),
commit_id.shortest(),
commit_id.shortest(8),
empty,
if(description,
description.first_line(),
if(root, "root()", description_placeholder)
),
self.author().name(),
current_working_copy,
immutable
) ++ "\n"
]]
local args = {
'log',
'-r',
'::@',
'--color=never',
'--no-graph',
'--template=' .. template,
}
if opts.reversed then
table.insert(args, '--reversed')
end
if file then
table.insert(args, string.format('file:"%s"', file))
end
vim.list_extend(args, opts.args or {})
return require('snacks.picker.source.proc').proc(
ctx:opts({
cmd = "jj",
args = args,
cwd = cwd,
---@param item snacks.picker.finder.Item
transform = function(item)
local data = vim.split(item.text, '\0')
item.cwd = cwd
item.change_id_prefix = data[1]
item.change_id = data[2]
item.date = data[3]
item.commit_prefix = data[4]
item.commit = data[5]
item.empty = data[6] == "true"
item.msg = data[7]
item.author = data[8]
item.working_copy = data[9] == "true"
item.immutable = data[10] == "true"
end,
}),
ctx
)
end,
format = function(item, picker)
local ret = {} ---@type snacks.picker.Highlight[]
if item.working_copy then
table.insert(ret, { "@", "SnacksPickerGitCommit" })
elseif item.immutable then
table.insert(ret, { "◆", "SnacksPickerGitCommit" })
else
table.insert(ret, { "○", "SnacksPickerGitCommit" })
end
table.insert(ret, { ' ' })
table.insert(ret, { item.change_id_prefix, 'SnacksPickerGitCommit' })
table.insert(ret, { item.change_id:sub(#item.change_id_prefix + 1), 'SnacksPickerDimmed' })
table.insert(ret, { ' ' })
table.insert(ret, { item.date, 'SnacksPickerGitDate' })
table.insert(ret, { ' ' })
table.insert(ret, { picker.opts.icons.git.commit, "SnacksPickerGitStatusModified" })
table.insert(ret, { item.commit_prefix, 'SnacksPickerGitStatusModified' })
table.insert(ret, { item.commit:sub(#item.commit_prefix + 1), 'SnacksPickerDimmed' })
table.insert(ret, { ' ' })
if item.empty then
table.insert(ret, { '(empty) ', 'SnacksPickerDimmed' })
end
if item.msg == '(no description set)' then
table.insert(ret, { item.msg, 'SnacksPickerDimmed' })
else
Snacks.picker.highlight.extend(ret, Snacks.picker.format.commit_message(item, picker))
end
table.insert(ret, { ' ' })
table.insert(ret, { item.author, "SnacksPickerGitAuthor" })
return ret
end,
preview = function(ctx)
if file then
Snacks.picker.preview.cmd(
{ "jj", "diff", "--git", "--no-pager", "-r", ctx.item.change_id, string.format("file:'%s'", file) },
ctx,
{ ft = "diff" }
)
return
end
local cmd = { "jj", "show", "--git", "--no-pager", "-r", ctx.item.change_id }
Snacks.picker.preview.cmd(cmd, ctx, { ft = "git" })
end,
confirm = function(picker, item)
picker:close()
Snacks.picker.jj_show(item.change_id)
end,
sort = { fields = { 'score:desc', 'idx' } },
win = {
input = {
keys = {
["<a-e>"] = { "jj_edit", mode = { "i" } },
["<a-s>"] = { "jj_squash", mode = { "i" } },
["<a-i>"] = { "jj_squash_interactive", mode = { "i" } },
["<c-s>"] = { "jj_gsplit", mode = { "i" } },
["<c-v>"] = { "jj_gvsplit", mode = { "i" } },
},
},
},
actions = {
jj_edit = function(picker, item)
picker:close()
vim.cmd(string.format("J edit %s", item.change_id))
end,
jj_squash = function(picker, item)
picker:close()
vim.cmd(string.format("J squash -r %s", item.change_id))
end,
jj_squash_interactive = function(picker, item)
picker:close()
vim.cmd(string.format("J squash -i -r %s", item.change_id))
end,
jj_gsplit = function(picker, item)
picker:close()
vim.cmd({ cmd = "Jsplit", args = { item.change_id .. ":" .. file } })
end,
jj_gvsplit = function(picker, item)
picker:close()
vim.cmd({ cmd = "Jvsplit", args = { item.change_id .. ":" .. file } })
end,
},
})
end
Snacks.picker.jj_log_file = function()
Snacks.picker.jj_log(vim.fn.expand("%:p"))
end
-- Stage-area style picker: show the combined diff of `@` and `@-`, with a two
-- character status column (`@` first, `@-` second) à la git's staged/unstaged
-- columns, and let <tab> move a file's change between `@` and `@-`.
Snacks.picker.jj_stage = function()
local from = vim.api.nvim_buf_get_name(0)
if from == "" then
from = nil
end
local title = "jj stage @ / @-"
local root = vim.fs.root(vim.fs.normalize(from or vim.uv.cwd() or "."), ".jj")
if root then
local function desc(rev)
local out = vim.system({
"jj", "log", "--no-graph", "--color=never", "-r", rev, "-T",
"if(description, description.first_line(), description_placeholder)",
}, { cwd = root, text = true }):wait()
return vim.trim(out.stdout or "")
end
title = string.format("@ %s │ @- %s", desc("@"), desc("@-"))
end
Snacks.picker.pick({
title = title,
supports_live = false,
finder = function(opts, ctx)
local cwd = jj_cwd(from, opts, ctx)
if not cwd then
return {}
end
-- Parse `jj diff --summary` for a revision into { [file] = entry }.
local function summary(rev)
local out = vim.system(
{ "jj", "diff", "--summary", "--color=never", "-r", rev },
{ cwd = cwd, text = true }
):wait()
local files = {}
for line in vim.gsplit(out.stdout or "", "\n", { trimempty = true }) do
local status, file = line:match("^(.) (.+)$")
if status then
local entry = { status = status, file = file }
local base, prev, next, suffix = file:match("^(.*){(.*) => (.*)}(.*)$")
if base ~= nil then
entry.rename = base .. prev .. suffix
entry.file = base .. next .. suffix
end
files[entry.file] = entry
end
end
return files
end
local at = summary("@")
local parent = summary("@-")
local order, seen = {}, {}
for _, map in ipairs({ at, parent }) do
for k in pairs(map) do
if not seen[k] then
seen[k] = true
order[#order + 1] = k
end
end
end
table.sort(order)
local items = {}
for _, k in ipairs(order) do
local a, p = at[k], parent[k]
local at_status = a and a.status or " "
local parent_status = p and p.status or " "
items[#items + 1] = {
text = k,
cwd = cwd,
file = k,
rename = (a and a.rename) or (p and p.rename),
-- Two status columns, `@` first then `@-`: `MM`, `M `, ` M`, ...
at_status = at_status,
parent_status = parent_status,
in_at = a ~= nil,
}
end
return items
end,
format = function(item, picker)
local ret = {} ---@type snacks.picker.Highlight[]
table.insert(ret, { item.at_status, status_hl(item.at_status) })
table.insert(ret, { item.parent_status, status_hl(item.parent_status) })
table.insert(ret, { " " })
if item.rename then
local file = item.file
item.file = item.rename
item._path = nil
vim.list_extend(ret, Snacks.picker.format.filename(item, picker))
item.file = file
item._path = nil
ret[#ret + 1] = { "-> ", "SnacksPickerDelim" }
ret[#ret + 1] = { " " }
end
vim.list_extend(ret, Snacks.picker.format.filename(item, picker))
return ret
end,
preview = function(ctx)
local cmd = { "jj", "diff", "--git", "--no-pager", "--from", "@--", "--to", "@" }
table.insert(cmd, string.format("file:'%s'", ctx.item.file))
Snacks.picker.preview.cmd(cmd, ctx, { ft = "diff" })
end,
sort = { fields = { 'score:desc', 'idx' } },
win = {
input = {
keys = {
["<tab>"] = { "jj_toggle", mode = { "i", "n" } },
["<c-s>"] = { "jj_gsplit", mode = { "i" } },
["<c-v>"] = { "jj_gvsplit", mode = { "i" } },
},
},
},
actions = {
-- Move a file's change between `@` and `@-`. When it lives in `@`
-- (`M ` or `MM`) squash it down into `@-`; when it only lives in `@-`
-- (` M`) move it back up into `@`.
jj_toggle = function(picker)
local items = picker:selected({ fallback = true })
local done = 0
for _, item in ipairs(items) do
local paths = { string.format("file:'%s'", item.file) }
if item.rename then
table.insert(paths, string.format("file:'%s'", item.rename))
end
local cmd
if item.in_at then
cmd = { "jj", "squash", "--into", "@-" }
else
cmd = { "jj", "squash", "--from", "@-", "--into", "@" }
end
vim.list_extend(cmd, paths)
Snacks.picker.util.cmd(cmd, function()
done = done + 1
if done == #items then
picker:refresh()
end
end, { cwd = item.cwd })
end
end,
jj_gsplit = function(picker, item)
picker:close()
vim.cmd({ cmd = "Jsplit", args = { "@:" .. item.file } })
end,
jj_gvsplit = function(picker, item)
picker:close()
vim.cmd({ cmd = "Jvsplit", args = { "@:" .. item.file } })
end,
},
})
end
Snacks.picker.jj_show = function(spec)
if type(spec) == "string" then
spec = { ref = spec }
end
spec = spec or {}
local ref = spec.ref
local range = spec.from ~= nil or spec.to ~= nil
if not range and ref == nil then
ref = "@"
end
-- Selector args shared by the finder, preview and `jj show` lookups.
local function selector()
if range then
local sel = {}
if spec.from then
vim.list_extend(sel, { "--from", spec.from })
end
if spec.to then
vim.list_extend(sel, { "--to", spec.to })
end
return sel
end
return { "-r", ref }
end
local show_ref = ref or spec.to or "@"
local title = "jj status"
if range then
title = "jj diff " .. (spec.from or "@") .. ".." .. (spec.to or "@")
elseif ref ~= "@" then
title = "jj diff " .. ref
end
-- Capture the open file before the picker takes over the current buffer, so
-- we search for the `.jj` root closest to it rather than from nvim's pwd.
local from = vim.api.nvim_buf_get_name(0)
if from == "" then
from = nil
end
Snacks.picker.pick({
title = title,
supports_live = false,
finder = function(opts, ctx)
local cwd = jj_cwd(from, opts, ctx)
local args = { "diff", "--summary" }
vim.list_extend(args, selector())
return require("snacks.picker.source.proc").proc(
ctx:opts({
sep = "\n",
cwd = cwd,
cmd = "jj",
args = args,
---@param item snacks.picker.finder.Item
transform = function(item)
local status, file = item.text:match("^(.) (.+)$")
item.cwd = cwd
item.status = status
item.file = file
local base, prev, next, suffix = file:match("^(.*){(.*) => (.*)}(.*)$")
if base ~= nil then
item.rename = base .. prev .. suffix
item.file = base .. next .. suffix
end
end,
}),
ctx
)
end,
format = function(item, picker)
local ret = {} ---@type snacks.picker.Highlight[]
table.insert(ret, { item.status, status_hl(item.status) })
table.insert(ret, { " " })
if item.rename then
local file = item.file
item.file = item.rename
item._path = nil
vim.list_extend(ret, Snacks.picker.format.filename(item, picker))
item.file = file
item._path = nil
ret[#ret + 1] = { "-> ", "SnacksPickerDelim" }
ret[#ret + 1] = { " " }
end
vim.list_extend(ret, Snacks.picker.format.filename(item, picker))
return ret
end,
preview = function(ctx)
if ref == "@" and (ctx.item.status == "A" or ctx.item.status == "?") then
Snacks.picker.preview.file(ctx)
else
local cmd = { "jj", "diff", "--git", "--no-pager" }
vim.list_extend(cmd, selector())
table.insert(cmd, string.format("file:'%s'", ctx.item.file))
Snacks.picker.preview.cmd(cmd, ctx, { ft = "diff" })
end
end,
sort = { fields = { 'score:desc', 'idx' } },
win = {
input = {
keys = {
["<a-s>"] = { "jj_split", mode = { "i" } },
["<c-s-s>"] = { "jj_squash", mode = { "i" } },
["<c-s-a>"] = { "jj_absorb", mode = { "i" } },
["<c-s>"] = { "jj_gsplit", mode = { "i" } },
["<c-v>"] = { "jj_gvsplit", mode = { "i" } },
},
},
},
actions = {
jj_split = function(picker)
local items = vim.iter(picker:selected())
:map(function(i) return i.file end)
:totable()
picker:close()
vim.cmd(string.format(
'J split "\'%s\'"',
table.concat(items, "' | '")
))
end,
jj_squash = function(picker)
local items = picker:selected({ fallback = true })
if #items == 0 then
return
end
local cmd = { "jj", "squash", "-r", show_ref }
for _, item in ipairs(items) do
table.insert(cmd, string.format("file:'%s'", item.file))
if item.rename then
table.insert(cmd, string.format("file:'%s'", item.rename))
end
end
Snacks.picker.util.cmd(cmd, function()
picker:refresh()
end, { cwd = items[1].cwd })
end,
jj_absorb = function(picker)
local items = picker:selected({ fallback = true })
if #items == 0 then
return
end
local cmd = { "jj", "absorb", "--from", show_ref }
for _, item in ipairs(items) do
table.insert(cmd, string.format("file:'%s'", item.file))
if item.rename then
table.insert(cmd, string.format("file:'%s'", item.rename))
end
end
Snacks.picker.util.cmd(cmd, function()
picker:refresh()
end, { cwd = items[1].cwd })
end,
jj_gsplit = function(picker, item)
picker:close()
vim.cmd({ cmd = "Jsplit", args = { show_ref .. ":" .. item.file } })
end,
jj_gvsplit = function(picker, item)
picker:close()
vim.cmd({ cmd = "Jvsplit", args = { show_ref .. ":" .. item.file } })
end,
},
})
end