1.忽略文件创建
https://www.cnblogs.com/someonelikeyou/p/7159765.html
http://www.cnblogs.com/ShaYeBlog/p/5359849.html

Pods/
WhoJob/Libraries/

Mac OS X Finder and whatnot

.DS_Store

Various settings

*.pbxuser
!default.pbxuser
*.mode1v3
!default.mode1v3
*.mode2v3
!default.mode2v3
*.perspectivev3
!default.perspectivev3
xcuserdata/

Other

*.moved-aside
*.xcuserstate
*.xccheckout

Obj-C/Swift specific

*.hmap
*.ipa
*.dSYM.zip
*.dSYM