From 0606ce1ae00fe10623e75952723efbbbd311efdd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=80=E8=90=8C=E5=B0=8F=E6=B1=90?= <sumneko@hotmail.com>
Date: Fri, 25 Jan 2019 17:39:30 +0800
Subject: =?UTF-8?q?=E5=BF=BD=E7=95=A5.gitignore=E4=B8=AD=E5=88=97=E4=B8=BE?=
 =?UTF-8?q?=E7=9A=84=E6=96=87=E4=BB=B6?=
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---
 server/src/async/scanfiles.lua | 82 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 75 insertions(+), 7 deletions(-)

(limited to 'server/src/async/scanfiles.lua')

diff --git a/server/src/async/scanfiles.lua b/server/src/async/scanfiles.lua
index f53564f8..c242dcfe 100644
--- a/server/src/async/scanfiles.lua
+++ b/server/src/async/scanfiles.lua
@@ -2,17 +2,85 @@ local args = ...
 
 require 'utility'
 local fs = require 'bee.filesystem'
-local ignore = { '.git', 'node_modules' }
-
 local root = fs.absolute(fs.path(args.root))
-for name in pairs(args.ignore) do
-    ignore[#ignore+1] = name
+
+local function glob_compile(pattern)
+    return ("^%s$"):format(pattern:gsub("[%^%$%(%)%%%.%[%]%+%-%?]", "%%%0"):gsub("%*", ".*"))
+end
+local function glob_match(pattern, target)
+    return target:match(pattern) ~= nil
+end
+
+local function accept_path(t, path)
+    if t[path:string()] then
+        return
+    end
+    t[#t+1] = path:string()
+    t[path:string()] = #t
+end
+local function expand_dir(t, pattern, dir)
+    if not fs.exists(dir) then
+        return
+    end
+    for file in dir:list_directory() do
+        if fs.is_directory(file) then
+            expand_dir(t, pattern, file)
+        else
+            if glob_match(pattern, file:filename():string():lower()) then
+                accept_path(t, file)
+            end
+        end
+    end
+end
+local function expand_path(t, root, source)
+    if source:sub(1, 1) == '/' then
+        source = source:sub(2)
+    end
+    local path = root / source
+    if source:find("*", 1, true) == nil then
+        accept_path(t, path)
+        return
+    end
+    local filename = path:filename():string():lower()
+    local pattern = glob_compile(filename)
+    expand_dir(t, pattern, path:parent_path())
+end
+local function get_sources(root, sources)
+    local result = {}
+    local ignore = {}
+    for _, source in ipairs(sources) do
+        if source:sub(1,1) ~= "!" then
+            expand_path(result, root, source)
+        else
+            expand_path(ignore, root, source:sub(2))
+        end
+    end
+    for _, path in ipairs(ignore) do
+        local pos = result[path]
+        if pos then
+            result[pos] = result[#result]
+            result[result[pos]] = pos
+            result[path] = nil
+            result[#result] = nil
+        end
+    end
+    return result
 end
-for i, name in ipairs(ignore) do
-    ignore[i] = root / name
+
+local function computePath()
+    local ignore = { '.git' }
+
+
+    for name in pairs(args.ignore) do
+        ignore[#ignore+1] = name:lower()
+    end
+
+    return get_sources(root, ignore)
 end
 
-for path in io.scan(root, ignore) do
+local ignored = computePath()
+
+for path in io.scan(root, ignored) do
     if path:extension():string() == '.lua' then
         local buf = io.load(path)
         if buf then
-- 
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