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Copy pathreview.lua
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342 lines (285 loc) · 9.19 KB
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local Path = require('plenary.path')
local M = {}
M.__changed_files = nil
M.__current_file_index = nil
M.__diff_tab = nil
local git = {
is_project = function()
if M.__is_git_project ~= nil then
return M.__is_git_project
end
local git_dir = Path:new(vim.fn.getcwd()):joinpath('.git')
M.__is_git_project = git_dir:exists() and git_dir:is_dir()
return M.__is_git_project
end,
list_changed_files = function()
local result = vim.fn.system('git ls-files -m -o --exclude-standard')
return result
end,
is_tracked = function(file_path)
local success = os.execute('git ls-files --error-unmatch "' .. file_path .. '" > /dev/null 2>&1')
return success == 0
end,
get_head_content = function(file_path, output_path)
local success = os.execute('git show HEAD:"' .. file_path .. '" > "' .. output_path .. '" 2>/dev/null')
return success == 0
end
}
local function require_git_project(fn, silent)
return function(...)
if not git.is_project() then
if not silent then
vim.notify("Error: Not in a git project.")
end
return
end
return fn(...)
end
end
-- File helpers
local function get_snapshot_dir()
local cwd = vim.fn.getcwd()
local cwd_hash = vim.fn.sha256(cwd)
return Path:new(vim.fn.stdpath('data')):joinpath('opencode', 'snapshot', cwd_hash)
end
local function revert_file(file_path, snapshot_path)
if snapshot_path then
Path:new(snapshot_path):copy({ destination = file_path, override = true })
elseif git.is_tracked(file_path) then
local temp_file = Path:new(vim.fn.tempname())
if git.get_head_content(file_path, tostring(temp_file)) then
temp_file:copy({ destination = file_path, override = true })
temp_file:rm()
end
else
local absolute_path = vim.fn.fnamemodify(file_path, ":p")
local bufnr = vim.fn.bufnr(absolute_path)
if bufnr ~= -1 then
vim.api.nvim_command('silent! bdelete! ' .. bufnr)
end
Path:new(file_path):rm()
end
vim.cmd('checktime')
return true
end
local function close_diff_tab()
if M.__diff_tab and vim.api.nvim_tabpage_is_valid(M.__diff_tab) then
pcall(vim.api.nvim_del_augroup_by_name, "OpencodeDiffCleanup" .. M.__diff_tab)
local windows = vim.api.nvim_tabpage_list_wins(M.__diff_tab)
local buffers = {}
for _, win in ipairs(windows) do
local buf = vim.api.nvim_win_get_buf(win)
table.insert(buffers, buf)
end
vim.api.nvim_set_current_tabpage(M.__diff_tab)
pcall(vim.cmd, 'tabclose')
for _, buf in ipairs(buffers) do
if vim.api.nvim_buf_is_valid(buf) then
local visible = false
for _, win in ipairs(vim.api.nvim_list_wins()) do
if vim.api.nvim_win_get_buf(win) == buf then
visible = true
break
end
end
if not visible then
pcall(vim.api.nvim_buf_delete, buf, { force = true })
end
end
end
end
M.__diff_tab = nil
end
local function files_are_different(file1, file2)
local result = vim.fn.system('cmp -s "' .. file1 .. '" "' .. file2 .. '"; echo $?')
return tonumber(result) ~= 0
end
local function get_changed_files()
local files = {}
local snapshot_base = get_snapshot_dir()
if not snapshot_base:exists() then return files end
local git_files = git.list_changed_files()
for file in git_files:gmatch("[^\n]+") do
local snapshot_file = snapshot_base:joinpath(file)
if snapshot_file:exists() then
if files_are_different(file, tostring(snapshot_file)) then
table.insert(files, { file, tostring(snapshot_file) })
end
else
table.insert(files, { file, nil })
end
end
M.__changed_files = files
return files
end
local function show_file_diff(file_path, snapshot_path)
close_diff_tab()
vim.cmd('tabnew')
M.__diff_tab = vim.api.nvim_get_current_tabpage()
if snapshot_path then
-- Compare with snapshot file
vim.cmd('edit ' .. snapshot_path)
vim.cmd('setlocal readonly buftype=nofile nomodifiable')
vim.cmd('diffthis')
vim.cmd('vsplit ' .. file_path)
vim.cmd('diffthis')
else
-- If file is tracked by git, compare with HEAD, otherwise just open it
if git.is_tracked(file_path) then
-- Create a temporary file from the HEAD version
local temp_file = vim.fn.tempname()
if git.get_head_content(file_path, temp_file) then
-- First edit the current file
vim.cmd('edit ' .. file_path)
local file_type = vim.bo.filetype
-- Then split with HEAD version on the left
vim.cmd('leftabove vsplit ' .. temp_file)
vim.cmd('setlocal readonly buftype=nofile nomodifiable filetype=' .. file_type)
vim.cmd('diffthis')
-- Go back to current file window and enable diff there
vim.cmd('wincmd l')
vim.cmd('diffthis')
else
-- File is not tracked by git, just open it
vim.cmd('edit ' .. file_path)
end
else
-- File is not tracked by git, just open it
vim.cmd('edit ' .. file_path)
end
end
-- auto close tab if any diff window is closed
local augroup = vim.api.nvim_create_augroup("OpencodeDiffCleanup" .. M.__diff_tab, { clear = true })
local tab_windows = vim.api.nvim_tabpage_list_wins(M.__diff_tab)
vim.api.nvim_create_autocmd("WinClosed", {
group = augroup,
pattern = tostring(tab_windows[1]) .. ',' .. tostring(tab_windows[2]),
callback = function() close_diff_tab() end
})
end
local function display_file_at_index(idx)
local file_data = M.__changed_files[idx]
local file_name = vim.fn.fnamemodify(file_data[1], ":t")
vim.notify(string.format("Showing file %d of %d: %s", idx, #M.__changed_files, file_name))
show_file_diff(file_data[1], file_data[2])
end
-- Public functions
M.review = require_git_project(function()
local files = get_changed_files()
if #files == 0 then
vim.notify("No changes to review.")
return
end
if #files == 1 then
M.__current_file_index = 1
show_file_diff(files[1][1], files[1][2])
else
vim.ui.select(vim.tbl_map(function(f) return f[1] end, files),
{ prompt = "Select a file to review:" },
function(choice, idx)
if not choice then return end
M.__current_file_index = idx
show_file_diff(files[idx][1], files[idx][2])
end)
end
end)
M.next_diff = require_git_project(function()
if not M.__changed_files or not M.__current_file_index or M.__current_file_index >= #M.__changed_files then
local files = get_changed_files()
if #files == 0 then
vim.notify("No changes to review.")
return
end
M.__current_file_index = 1
else
M.__current_file_index = M.__current_file_index + 1
end
display_file_at_index(M.__current_file_index)
end)
M.prev_diff = require_git_project(function()
if not M.__changed_files or #M.__changed_files == 0 then
local files = get_changed_files()
if #files == 0 then
vim.notify("No changes to review.")
return
end
M.__current_file_index = #files
else
if not M.__current_file_index or M.__current_file_index <= 1 then
M.__current_file_index = #M.__changed_files
else
M.__current_file_index = M.__current_file_index - 1
end
end
display_file_at_index(M.__current_file_index)
end)
M.close_diff = function()
close_diff_tab()
end
M.check_cleanup_breakpoint = function()
local changed_files = get_changed_files()
if #changed_files == 0 then
local snapshot_base = get_snapshot_dir()
if snapshot_base:exists() then
snapshot_base:rm({ recursive = true })
end
end
end
M.set_breakpoint = require_git_project(function()
local snapshot_base = get_snapshot_dir()
if snapshot_base:exists() then
snapshot_base:rm({ recursive = true })
end
snapshot_base:mkdir({ parents = true })
for file in git.list_changed_files():gmatch("[^\n]+") do
local source_file = Path:new(file)
local target_file = snapshot_base:joinpath(file)
if (source_file:is_file() and source_file:exists()) then
target_file:parent():mkdir({ parents = true })
source_file:copy({ destination = target_file })
end
end
end, true)
M.revert_all = require_git_project(function()
local files = get_changed_files()
if #files == 0 then
vim.notify("No changes to revert.")
return
end
if vim.fn.input("Revert all " .. #files .. " changed files? (y/n): "):lower() ~= "y" then
return
end
local success_count = 0
for _, file_data in ipairs(files) do
if revert_file(file_data[1], file_data[2]) then
success_count = success_count + 1
end
end
vim.notify("Reverted " .. success_count .. " of " .. #files .. " files.")
end)
M.revert_current = require_git_project(function()
local files = get_changed_files()
local current_file = vim.fn.expand('%:p')
local rel_path = vim.fn.fnamemodify(current_file, ':.')
local changed_file = nil
for _, file_data in ipairs(files) do
if file_data[1] == rel_path then
changed_file = file_data
break
end
end
if not changed_file then
vim.notify("No changes to revert.")
return
end
if vim.fn.input("Revert current file? (y/n): "):lower() ~= "y" then
return
end
if revert_file(changed_file[1], changed_file[2]) then
vim.cmd('e!')
end
end)
M.reset_git_status = function()
M.__is_git_project = nil
end
return M