常用的过滤文件：
# Ignore thumbnails created by windows
Thumbs.db
# Ignore files build by Visual Studio
*.obj
*.exe
*.pdb
*.aps
*.vcproj.*.user
*.vspscc
*_i.c
*.i
*.icf
*_p.c
*.ncb
*.suo
*.tlb
*.tlh
*.bak
*.cache
*.ilk
*.log
[Bb]in
[Dd]ebug/
[Dd]ebug.win32/
*.sbr
*.sdf
obj/
[Rr]elease/
[Rr]elease.win32/
_ReSharper*/
[Tt]est[Rr]esult*
ipch/
*.opensdf
# Ignore files build by ndk and eclipse
libs/
bin/
obj/
gen/
assets/
local.properties
# Ignore files built by NaCl
samples/Cpp/HelloCpp/proj.nacl/Resources/
samples/Cpp/TestCpp/proj.nacl/Resources/
samples/Cpp/TestCpp/proj.nacl/out/
samples/Cpp/SimpleGame/proj.nacl/Resources/
samples/Lua/HelloLua/proj.nacl/Resources/
samples/Lua/TestLua/proj.nacl/Resources/
# Ignore python compiled files
*.pyc
# Ignore files build by airplay and marmalade
build_*_xcode/
build_*_vc10/
# Ignore files build by xcode
*.mode*v*
*.pbxuser
*.xcbkptlist
*.xcworkspacedata
*.xcuserstate
*.xccheckout
xcschememanagement.plist
.DS_Store
._.*
xcuserdata/
DerivedData/
# Ignore files built by AppCode
.idea/
# Ignore files built by bada
.Simulator-Debug/
.Target-Debug/
.Target-Release/
# Ignore files built by blackberry
Simulator/
Device-Debug/
Device-Release/
# Ignore vim swaps
*.swp
*.swo
# Ignore files created by create_project.py
projects/
# Ignore config files in javascript bindings generator
tools/tojs/user.cfg
# ... userconf.ini generated if running from tools/tojs
tools/tojs/userconf.ini
tools/tolua/userconf.ini
# ... userconf.ini generated if running from tools/jenkins_scripts/mac/android/
tools/jenkins_scripts/mac/android/userconf.ini
# CTags
tags
# ignore files, created with make-all-linux-project script
/lib
/build/linux-build
# Cmake files
CMakeCache.txt
CMakeFiles
Makefile
cmake_install.cmake