Files
jj.nvim/lua/jj/diff/codediff.lua
T

63 lines
1.4 KiB
Lua

local utils = require("jj.utils")
---@type jj.diff
local diff = require("jj.diff")
--- Givewn two changes, show their diff using codediff
--- @param left string
--- @param right string
local function diff_two_changes(left, right)
local commit_id_left = utils.get_commit_id(left)
if commit_id_left == nil then
return
end
local commit_id_right = utils.get_commit_id(right)
if commit_id_right == nil then
return
end
vim.cmd(string.format("CodeDiff %s %s", commit_id_right, commit_id_left))
end
-----------------------------------------------------------------------
-- Codediff Backend
-----------------------------------------------------------------------
diff.register_backend("codediff", {
diff_current = function(opts)
if not utils.has_dependency("codediff") then
return
end
-- Extract the commit id from opts.rev
local revset = opts.rev or "@-"
local commit_id = utils.get_commit_id(revset)
if not commit_id then
return
end
vim.cmd(string.format("CodeDiff file %s", commit_id))
end,
show_revision = function(opts)
if not utils.has_dependency("codediff") then
return
end
-- When comparing a revision we always compare it to it's parent to get the diff
local right = string.format("%s-", opts.rev)
diff_two_changes(opts.rev, right)
end,
diff_revisions = function(opts)
if not utils.has_dependency("codediff") then
return
end
diff_two_changes(opts.left, opts.right)
end,
})