Barrett Ruth
7781904d65
Problem: pressing du on a UU file in fugitive status fell through to the unstaged path, where get_index_content(:0:) fails because unmerged files have no stage 0 entry. The fallback produced a useless diff of HEAD vs working file with conflict markers shown as changes. Solution: add a merge.lua module that diffs git show :2: (ours) vs :3: (theirs), displays the result with full syntax and intra-line highlighting, and provides resolution keymaps (doo/dot/dob/don/]x/[x) that write back to the working file's conflict markers. Hunks are matched to conflict regions by comparing diff del-lines against each region's ours content. Resolved hunks are tracked per-buffer with virtual text. commands.lua gains an unmerged branch in gdiff_file and read_buffer, and plugin/diffs.lua registers Plug(diffs-merge-*) mappings.
109 lines
3.8 KiB
Lua
109 lines
3.8 KiB
Lua
if vim.g.loaded_diffs then
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return
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end
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vim.g.loaded_diffs = 1
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require('diffs.commands').setup()
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vim.api.nvim_create_autocmd('FileType', {
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pattern = { 'fugitive', 'git' },
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callback = function(args)
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local diffs = require('diffs')
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if args.match == 'git' and not diffs.is_fugitive_buffer(args.buf) then
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return
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end
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diffs.attach(args.buf)
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if args.match == 'fugitive' then
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local fugitive_config = diffs.get_fugitive_config()
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if fugitive_config.horizontal or fugitive_config.vertical then
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require('diffs.fugitive').setup_keymaps(args.buf, fugitive_config)
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end
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end
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end,
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})
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vim.api.nvim_create_autocmd('BufReadCmd', {
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pattern = 'diffs://*',
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callback = function(args)
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require('diffs.commands').read_buffer(args.buf)
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end,
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})
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vim.api.nvim_create_autocmd('BufReadPost', {
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callback = function(args)
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local conflict_config = require('diffs').get_conflict_config()
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if conflict_config.enabled then
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require('diffs.conflict').attach(args.buf, conflict_config)
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end
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end,
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})
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vim.api.nvim_create_autocmd('OptionSet', {
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pattern = 'diff',
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callback = function()
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if vim.wo.diff then
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require('diffs').attach_diff()
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else
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require('diffs').detach_diff()
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end
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end,
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})
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local cmds = require('diffs.commands')
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vim.keymap.set('n', '<Plug>(diffs-gdiff)', function()
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cmds.gdiff(nil, false)
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end, { desc = 'Unified diff (horizontal)' })
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vim.keymap.set('n', '<Plug>(diffs-gvdiff)', function()
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cmds.gdiff(nil, true)
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end, { desc = 'Unified diff (vertical)' })
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local function conflict_action(fn)
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local bufnr = vim.api.nvim_get_current_buf()
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local config = require('diffs').get_conflict_config()
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fn(bufnr, config)
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end
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vim.keymap.set('n', '<Plug>(diffs-conflict-ours)', function()
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conflict_action(require('diffs.conflict').resolve_ours)
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end, { desc = 'Accept current (ours) change' })
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vim.keymap.set('n', '<Plug>(diffs-conflict-theirs)', function()
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conflict_action(require('diffs.conflict').resolve_theirs)
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end, { desc = 'Accept incoming (theirs) change' })
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vim.keymap.set('n', '<Plug>(diffs-conflict-both)', function()
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conflict_action(require('diffs.conflict').resolve_both)
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end, { desc = 'Accept both changes' })
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vim.keymap.set('n', '<Plug>(diffs-conflict-none)', function()
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conflict_action(require('diffs.conflict').resolve_none)
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end, { desc = 'Reject both changes' })
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vim.keymap.set('n', '<Plug>(diffs-conflict-next)', function()
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require('diffs.conflict').goto_next(vim.api.nvim_get_current_buf())
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end, { desc = 'Jump to next conflict' })
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vim.keymap.set('n', '<Plug>(diffs-conflict-prev)', function()
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require('diffs.conflict').goto_prev(vim.api.nvim_get_current_buf())
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end, { desc = 'Jump to previous conflict' })
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local function merge_action(fn)
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local bufnr = vim.api.nvim_get_current_buf()
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local config = require('diffs').get_conflict_config()
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fn(bufnr, config)
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end
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vim.keymap.set('n', '<Plug>(diffs-merge-ours)', function()
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merge_action(require('diffs.merge').resolve_ours)
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end, { desc = 'Accept ours in merge diff' })
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vim.keymap.set('n', '<Plug>(diffs-merge-theirs)', function()
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merge_action(require('diffs.merge').resolve_theirs)
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end, { desc = 'Accept theirs in merge diff' })
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vim.keymap.set('n', '<Plug>(diffs-merge-both)', function()
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merge_action(require('diffs.merge').resolve_both)
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end, { desc = 'Accept both in merge diff' })
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vim.keymap.set('n', '<Plug>(diffs-merge-none)', function()
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merge_action(require('diffs.merge').resolve_none)
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end, { desc = 'Reject both in merge diff' })
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vim.keymap.set('n', '<Plug>(diffs-merge-next)', function()
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require('diffs.merge').goto_next(vim.api.nvim_get_current_buf())
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end, { desc = 'Jump to next conflict hunk' })
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vim.keymap.set('n', '<Plug>(diffs-merge-prev)', function()
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require('diffs.merge').goto_prev(vim.api.nvim_get_current_buf())
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end, { desc = 'Jump to previous conflict hunk' })
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