commit diff - check if prev_commit is not nil
commit diff - check if prev_commit is not nil

jaepyoung/gitlabhq,axilleas/gitlabhq,it33/gitlabhq,cinderblock/gitlabhq,ngpestelos/gitlabhq,shinexiao/gitlabhq,dreampet/gitlab,cinderblock/gitlabhq,icedwater/gitlabhq,allistera/gitlabhq,martijnvermaat/gitlabhq,htve/GitlabForChinese,koreamic/gitlabhq,kitech/gitlabhq,NuLL3rr0r/gitlabhq,jairzh/gitlabhq-sfdc,allistera/gitlabhq,yonglehou/gitlabhq,NuLL3rr0r/gitlabhq,SkyWei/gitlabhq,allysonbarros/gitlabhq,mathstuf/gitlabhq,8thcolor/testing-public-gitlabhq,gopeter/gitlabhq,julianengel/gitlabhq,ordiychen/gitlabhq,hq804116393/gitlabhq,achako/gitlabhq,sue445/gitlabhq,k4zzk/gitlabhq,liyakun/gitlabhq,duduribeiro/gitlabhq,OtkurBiz/gitlabhq,dplarson/gitlabhq,darkrasid/gitlabhq,SVArago/gitlabhq,lbt/gitlabhq,johnmyqin/gitlabhq,mr-dxdy/gitlabhq,sue445/gitlabhq,LytayTOUCH/gitlabhq,zBMNForks/gitlabhq,OtkurBiz/gitlabhq,Razer6/gitlabhq,inetfuture/gitlab-tweak,fendoudeqingchunhh/gitlabhq,stanhu/gitlabhq,pulkit21/gitlabhq,zrbsprite/gitlabhq,1ed/gitlabhq,yfaizal/gitlabhq,tk23/gitlabhq,rfeese/gitlab-ce,ngpestelos/gitlabhq,fearenales/gitlabhq,dvrylc/gitlabhq,ikappas/gitlabhq,tempbottle/gitlabhq,pkallberg/tjenare,salipro4ever/gitlabhq,jrjang/gitlab-ce,bbodenmiller/gitlabhq,NKMR6194/gitlabhq,mavimo/gitlabhq,sue445/gitlabhq,Devin001/gitlabhq,kemenaran/gitlabhq,jrjang/gitlab-ce,luzhongyang/gitlabhq,dvrylc/gitlabhq,eliasp/gitlabhq,aaronsnyder/gitlabhq,gopeter/gitlabhq,williamherry/gitlabhq,bigsurge/gitlabhq,lvfeng1130/gitlabhq,yulchitaj/TEST3,ayufan/gitlabhq,123Haynes/gitlabhq,rumpelsepp/gitlabhq,shinexiao/gitlabhq,phinfonet/mobbr-gitlabhq,lbt/gitlabhq,initiummedia/gitlabhq,kotaro-dev/gitlab-6-9,michaKFromParis/sparkslab,childbamboo/gitlabhq,SkyWei/gitlabhq,DanielZhangQingLong/gitlabhq,dukex/gitlabhq,tim-hoff/gitlabhq,hzy001/gitlabhq,stellamiranda/mobbr-gitlabhq,bozaro/gitlabhq,folpindo/gitlabhq,LUMC/gitlabhq,szechyjs/gitlabhq,louahola/gitlabhq,kitech/gitlabhq,openwide-java/gitlabhq,larryli/gitlabhq,sekcheong/gitlabhq,windymid/test2,1ed/gitlabhq,wangcan2014/gitlabhq,tk23/gitlabhq,cui-liqiang/gitlab-ce,8thcolor/eurucamp2014-htdsadr,OlegGirko/gitlab-ce,martinma4/gitlabhq,julianengel/gitlabhq,openwide-java/gitlabhq,it33/gitlabhq,pkgr/gitlabhq,mavimo/gitlabhq,ikappas/gitlabhq,ikappas/gitlabhq,Datacom/gitlabhq,gopeter/gitlabhq,NARKOZ/gitlabhq,yfaizal/gitlabhq,ngpestelos/gitlabhq,koreamic/gitlabhq,pjknkda/gitlabhq,iiet/iiet-git,dreampet/gitlab,Soullivaneuh/gitlabhq,jirutka/gitlabhq,jaepyoung/gitlabhq,hzy001/gitlabhq,joalmeid/gitlabhq,rebecamendez/gitlabhq,k4zzk/gitlabhq,hq804116393/gitlabhq,hacsoc/gitlabhq,dplarson/gitlabhq,sue445/gitlabhq,michaKFromParis/gitlabhqold,stellamiranda/mobbr-gitlabhq,rumpelsepp/gitlabhq,Exeia/gitlabhq,fpgentil/gitlabhq,yonglehou/gitlabhq,yulchitaj/TEST3,mathstuf/gitlabhq,mmkassem/gitlabhq,pjknkda/gitlabhq,jrjang/gitlabhq,t-zuehlsdorff/gitlabhq,mr-dxdy/gitlabhq,per-garden/gitlabhq,rebecamendez/gitlabhq,martinma4/gitlabhq,yatish27/gitlabhq,nguyen-tien-mulodo/gitlabhq,lbt/gitlabhq,bozaro/gitlabhq,ferdinandrosario/gitlabhq,OtkurBiz/gitlabhq,hq804116393/gitlabhq,ksoichiro/gitlabhq,jaepyoung/gitlabhq,NuLL3rr0r/gitlabhq,pkgr/gitlabhq,hzy001/gitlabhq,hq804116393/gitlabhq,pjknkda/gitlabhq,flashbuckets/gitlabhq,sakishum/gitlabhq,jvanbaarsen/gitlabhq,per-garden/gitlabhq,NKMR6194/gitlabhq,copystudy/gitlabhq,it33/gitlabhq,ttasanen/gitlabhq,ksoichiro/gitlabhq,fgbreel/gitlabhq,ngpestelos/gitlabhq,Tyrael/gitlabhq,0x20h/gitlabhq,nguyen-tien-mulodo/gitlabhq,theodi/gitlabhq,michaKFromParis/sparkslab,TheWatcher/gitlabhq,dyon/gitlab,dreampet/gitlab,dukex/gitlabhq,michaKFromParis/gitlabhqold,Razer6/gitlabhq,nuecho/gitlabhq,Kambda/Mobbr,eliasp/gitlabhq,folpindo/gitlabhq,joalmeid/gitlabhq,johnmyqin/gitlabhq,salipro4ever/gitlabhq,zBMNForks/gitlabhq,DanielZhangQingLong/gitlabhq,123Haynes/gitlabhq,bbodenmiller/gitlabhq,LUMC/gitlabhq,jvanbaarsen/gitlabhq,martijnvermaat/gitlabhq,ArthurHoaro/Public-GitLab,youprofit/gitlabhq,Telekom-PD/gitlabhq,mente/gitlabhq,tk23/gitlabhq,Soullivaneuh/gitlabhq,initiummedia/gitlabhq,Datacom/gitlabhq,chadyred/gitlabhq,sonalkr132/gitlabhq,eliasp/gitlabhq,dplarson/gitlabhq,delkyd/gitlabhq,kotaro-dev/gitlab-6-9,neiljbrookes/glab,theodi/gitlabhq,mente/gitlabhq,wangcan2014/gitlabhq,pupaxxo/gitlabhq,chenrui2014/gitlabhq,riyad/gitlabhq,aaronsnyder/gitlabhq,Burick/gitlabhq,nmav/gitlabhq,nmav/gitlabhq,sonalkr132/gitlabhq,pulkit21/gitlabhq,mmkassem/gitlabhq,Devin001/gitlabhq,yama07/gitlabhq,szechyjs/gitlabhq,icedwater/gitlabhq,NARKOZ/gitlabhq,revaret/gitlabhq,Telekom-PD/gitlabhq,pjknkda/gitlabhq,folpindo/gitlabhq,Kambda/Mobbr,cui-liqiang/gitlab-ce,darkrasid/gitlabhq,ArthurHoaro/Public-GitLab,gorgee/gitlabhq,ZeoAlliance/gitlabhq,szechyjs/gitlabhq,SVArago/gitlabhq,screenpages/gitlabhq,xuvw/gitlabhq,aaronsnyder/gitlabhq,bbodenmiller/gitlabhq,kemenaran/gitlabhq,ferdinandrosario/gitlabhq,ttasanen/gitlabhq,goeun/myRepo,revaret/gitlabhq,Soullivaneuh/gitlabhq,per-garden/gitlabhq,NKMR6194/gitlabhq,t-zuehlsdorff/gitlabhq,koreamic/gitlabhq,vjustov/gitlabhq,dyon/gitlab,htve/GitlabForChinese,achako/gitlabhq,gopeter/gitlabhq,H3Chief/gitl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