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feat(scandir): Consider global gitignore when forming ignore patterns #309

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feat(scandir): Consider global gitignore when forming ignore patterns #309

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53 changes: 39 additions & 14 deletions lua/plenary/scandir.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,19 @@ local m = {}
local make_gitignore = function(basepath)
local patterns = {}
local valid = false
for _, v in ipairs(basepath) do
local p = Path:new(v .. os_sep .. ".gitignore")
local global_ignore
require("plenary.job")
:new({
command = "git",
args = { "config", "--get", "core.excludesfile" },
on_exit = function(job, rc)
if rc == 0 then
global_ignore = table.concat(job:result())
end
end,
})
:sync()
local function accumulate(p, v)
if p:exists() then
valid = true
patterns[v] = { ignored = {}, negated = {} }
Expand Down Expand Up @@ -39,24 +50,38 @@ local make_gitignore = function(basepath)
end
end
end
if global_ignore then
accumulate(Path:new(vim.fn.expand(global_ignore)), "")
end
for _, v in ipairs(basepath) do
accumulate(Path:new(v .. os_sep .. ".gitignore"), v)
end
if not valid then
return nil
end
return function(bp, entry)
for _, v in ipairs(bp) do
if entry:find(v, 1, true) then
local negated = false
for _, w in ipairs(patterns[v].ignored) do
if not negated and entry:match(w) then
for _, inverse in ipairs(patterns[v].negated) do
if not negated and entry:match(inverse) then
negated = true
end
end
if not negated then
return false
local function checkpat(pat)
if not pat then
return
end
local negated = false
for _, w in ipairs(pat.ignored) do
if not negated and entry:match(w) then
for _, inverse in ipairs(pat.negated) do
if not negated and entry:match(inverse) then
negated = true
end
end
if not negated then
return false
end
end
end
end
for _, v in ipairs(bp) do
if entry:find(v, 1, true) then
if checkpat(patterns[v]) == false or checkpat(patterns[""]) == false then
return false
end
end
end
Expand Down