set old_log if file doesn't exist
set old_log if file doesn't exist

janczak10/incubator-airflow,mylons/incubator-airflow,adamhaney/airflow,caseyching/incubator-airflow,yati-sagade/incubator-airflow,modsy/incubator-airflow,MetrodataTeam/incubator-airflow,Chedi/airflow,vineet-rh/incubator-airflow,CloverHealth/airflow,Chedi/airflow,d-lee/airflow,skudriashev/incubator-airflow,MortalViews/incubator-airflow,cfei18/incubator-airflow,dhuang/incubator-airflow,dmitry-r/incubator-airflow,moritzpein/airflow,biln/airflow,stverhae/incubator-airflow,adrpar/incubator-airflow,criccomini/airflow,danielvdende/incubator-airflow,ProstoMaxim/incubator-airflow,mattuuh7/incubator-airflow,andrewmchen/incubator-airflow,apache/airflow,RealImpactAnalytics/airflow,jbhsieh/incubator-airflow,KL-WLCR/incubator-airflow,lxneng/incubator-airflow,juvoinc/airflow,hamedhsn/incubator-airflow,alexvanboxel/airflow,sekikn/incubator-airflow,sdiazb/airflow,ronfung/incubator-airflow,OpringaoDoTurno/airflow,storpipfugl/airflow,artwr/airflow,mrares/incubator-airflow,wileeam/airflow,edgarRd/incubator-airflow,neovintage/airflow,biln/airflow,jwi078/incubator-airflow,AllisonWang/incubator-airflow,brandsoulmates/incubator-airflow,mylons/incubator-airflow,mrares/incubator-airflow,mtdewulf/incubator-airflow,gilt/incubator-airflow,jhsenjaliya/incubator-airflow,kerzhner/airflow,Acehaidrey/incubator-airflow,spektom/incubator-airflow,zoyahav/incubator-airflow,subodhchhabra/airflow,artwr/airflow,wileeam/airflow,opensignal/airflow,stverhae/incubator-airflow,jhsenjaliya/incubator-airflow,lyft/incubator-airflow,MetrodataTeam/incubator-airflow,owlabs/incubator-airflow,dhuang/incubator-airflow,DinoCow/airflow,griffinqiu/airflow,ProstoMaxim/incubator-airflow,mtustin-handy/airflow,alexvanboxel/airflow,d-lee/airflow,zack3241/incubator-airflow,zack3241/incubator-airflow,gilt/incubator-airflow,r39132/airflow,d-lee/airflow,bolkedebruin/airflow,edgarRd/incubator-airflow,wolfier/incubator-airflow,hamedhsn/incubator-airflow,gilt/incubator-airflow,zoyahav/incubator-airflow,wolfier/incubator-airflow,spektom/incubator-airflow,criccomini/airflow,ProstoMaxim/incubator-airflow,mattuuh7/incubator-airflow,Acehaidrey/incubator-airflow,MortalViews/incubator-airflow,asnir/airflow,gtoonstra/airflow,asnir/airflow,modsy/incubator-airflow,fenglu-g/incubator-airflow,jlowin/airflow,adrpar/incubator-airflow,Twistbioscience/incubator-airflow,brandsoulmates/incubator-airflow,ledsusop/airflow,Twistbioscience/incubator-airflow,wxiang7/airflow,preete-dixit-ck/incubator-airflow,dgies/incubator-airflow,forevernull/incubator-airflow,jiwang576/incubator-airflow,jesusfcr/airflow,OpringaoDoTurno/airflow,wolfier/incubator-airflow,yati-sagade/incubator-airflow,subodhchhabra/airflow,owlabs/incubator-airflow,airbnb/airflow,sekikn/incubator-airflow,dmitry-r/incubator-airflow,juvoinc/airflow,nathanielvarona/airflow,danielvdende/incubator-airflow,malmiron/incubator-airflow,airbnb/airflow,dud225/incubator-airflow,vineet-rh/incubator-airflow,criccomini/airflow,holygits/incubator-airflow,mistercrunch/airflow,skudriashev/incubator-airflow,danielvdende/incubator-airflow,jlowin/airflow,jwi078/incubator-airflow,sid88in/incubator-airflow,KL-WLCR/incubator-airflow,jhsenjaliya/incubator-airflow,janczak10/incubator-airflow,rishibarve/incubator-airflow,danielvdende/incubator-airflow,bolkedebruin/airflow,skudriashev/incubator-airflow,yiqingj/airflow,nathanielvarona/airflow,plypaul/airflow,d-lee/airflow,yk5/incubator-airflow,sergiohgz/incubator-airflow,DEVELByte/incubator-airflow,griffinqiu/airflow,forevernull/incubator-airflow,spektom/incubator-airflow,r39132/airflow,mrares/incubator-airflow,wndhydrnt/airflow,yiqingj/airflow,preete-dixit-ck/incubator-airflow,jiwang576/incubator-airflow,Twistbioscience/incubator-airflow,DinoCow/airflow,dgies/incubator-airflow,modsy/incubator-airflow,adrpar/incubator-airflow,artwr/airflow,hamedhsn/incubator-airflow,gtoonstra/airflow,mrkm4ntr/incubator-airflow,stverhae/incubator-airflow,wndhydrnt/airflow,yiqingj/airflow,kerzhner/airflow,plypaul/airflow,KL-WLCR/incubator-airflow,sid88in/incubator-airflow,jfantom/incubator-airflow,jfantom/incubator-airflow,preete-dixit-ck/incubator-airflow,gilt/incubator-airflow,MetrodataTeam/incubator-airflow,adamhaney/airflow,dhuang/incubator-airflow,caseyching/incubator-airflow,mattuuh7/incubator-airflow,cademarkegard/airflow,edgarRd/incubator-airflow,preete-dixit-ck/incubator-airflow,holygits/incubator-airflow,sergiohgz/incubator-airflow,moritzpein/airflow,ProstoMaxim/incubator-airflow,yoziru-desu/airflow,ronfung/incubator-airflow,caseyching/incubator-airflow,dgies/incubator-airflow,kerzhner/airflow,andrewmchen/incubator-airflow,btallman/incubator-airflow,jiwang576/incubator-airflow,mrkm4ntr/incubator-airflow,fenglu-g/incubator-airflow,CloverHealth/airflow,jhsenjaliya/incubator-airflow,NielsZeilemaker/incubator-airflow,lyft/incubator-airflow,easytaxibr/airflow,wxiang7/airflow,AllisonWang/incubator-airflow,lxneng/incubator-airflow,wxiang7/airflow,Fokko/incubator-airflow,rishibarve/incubator-airflow,gritlogic/incubator-airflow,apache/airflow,gtoonstra/airflow,subodhchhabra/airflow,akosel/incubator-airflow,andrewmchen/incubator-airflow,akosel/incubator-airflow,CloverHealth/airflow,mtagle/airflow,vineet-rh/incubator-airflow,dmitry-r/incubator-airflow,andyxhadji/incubator-airflow,neovintage/airflow,mtustin-handy/airflow,MortalViews/incubator-airflow,OpringaoDoTurno/airflow,lxneng/incubator-airflow,yoziru-desu/airflow,wooga/airflow,dud225/incubator-airflow,DEVELByte/incubator-airflow,mistercrunch/airflow,zodiac/incubator-airflow,btallman/incubator-airflow,akosel/incubator-airflow,vijaysbhat/incubator-airflow,yk5/incubator-airflow,wndhydrnt/airflow,yati-sagade/incubator-airflow,opensignal/airflow,saguziel/incubator-airflow,holygits/incubator-airflow,cademarkegard/airflow,moritzpein/airflow,wileeam/airflow,wooga/airflow,artwr/airflow,wooga/airflow,RealImpactAnalytics/airflow,jwi078/incubator-airflow,mtdewulf/incubator-airflow,easytaxibr/airflow,ledsusop/airflow,mtdewulf/incubator-airflow,DinoCow/airflow,Fokko/incubator-airflow,zodiac/incubator-airflow,dgies/incubator-airflow,easytaxibr/airflow,sekikn/incubator-airflow,jesusfcr/airflow,ty707/airflow,apache/airflow,moritzpein/airflow,jiwang576/incubator-airflow,Acehaidrey/incubator-airflow,mylons/incubator-airflow,Tagar/incubator-airflow,Twistbioscience/incubator-airflow,easytaxibr/airflow,Tagar/incubator-airflow,NielsZeilemaker/incubator-airflow,asnir/airflow,wolfier/incubator-airflow,cfei18/incubator-airflow,dhuang/incubator-airflow,jbhsieh/incubator-airflow,Tagar/incubator-airflow,owlabs/incubator-airflow,sergiohgz/incubator-airflow,stverhae/incubator-airflow,vineet-rh/incubator-airflow,sid88in/incubator-airflow,vijaysbhat/incubator-airflow,KL-WLCR/incubator-airflow,jbhsieh/incubator-airflow,hgrif/incubator-airflow,jgao54/airflow,Fokko/incubator-airflow,yk5/incubator-airflow,forevernull/incubator-airflow,aminghadersohi/airflow,sekikn/incubator-airflow,yati-sagade/incubator-airflow,owlabs/incubator-airflow,criccomini/airflow,adamhaney/airflow,akosel/incubator-airflow,jesusfcr/airflow,Chedi/airflow,plypaul/airflow,Acehaidrey/incubator-airflow,OpringaoDoTurno/airflow,brandsoulmates/incubator-airflow,jfantom/incubator-airflow,lyft/incubator-airflow,apache/airflow,hgrif/incubator-airflow,mtdewulf/incubator-airflow,cjqian/incubator-airflow,danielvdende/incubator-airflow,alexvanboxel/airflow,zoyahav/incubator-airflow,mrares/incubator-airflow,NielsZeilemaker/incubator-airflow,wileeam/airflow,edgarRd/incubator-airflow,MortalViews/incubator-airflow,vijaysbhat/incubator-airflow,juvoinc/airflow,ty707/airflow,aminghadersohi/airflow,brandsoulmates/incubator-airflow,wndhydrnt/airflow,Tagar/incubator-airflow,N3da/incubator-airflow,ty707/airflow,rishibarve/incubator-airflow,mtagle/airflow,MetrodataTeam/incubator-airflow,mrkm4ntr/incubator-airflow,N3da/incubator-airflow,Acehaidrey/incubator-airflow,cfei18/incubator-airflow,sdiazb/airflow,asnir/airflow,subodhchhabra/airflow,nathanielvarona/airflow,adrpar/incubator-airflow,ronfung/incubator-airflow,opensignal/airflow,cademarkegard/airflow,wxiang7/airflow,neovintage/airflow,fenglu-g/incubator-airflow,alexvanboxel/airflow,mtustin-handy/airflow,sdiazb/airflow,saguziel/incubator-airflow,wooga/airflow,holygits/incubator-airflow,btallman/incubator-airflow,cfei18/incubator-airflow,skudriashev/incubator-airflow,cademarkegard/airflow,yoziru-desu/airflow,andyxhadji/incubator-airflow,malmiron/incubator-airflow,zack3241/incubator-airflow,plypaul/airflow,fenglu-g/incubator-airflow,r39132/airflow,yk5/incubator-airflow,vijaysbhat/incubator-airflow,nathanielvarona/airflow,apache/incubator-airflow,ronfung/incubator-airflow,apache/incubator-airflow,zack3241/incubator-airflow,lyft/incubator-airflow,jgao54/airflow,zoyahav/incubator-airflow,jfantom/incubator-airflow,mattuuh7/incubator-airflow,biln/airflow,sergiohgz/incubator-airflow,DEVELByte/incubator-airflow,Acehaidrey/incubator-airflow,gritlogic/incubator-airflow,aminghadersohi/airflow,andyxhadji/incubator-airflow,saguziel/incubator-airflow,yiqingj/airflow,ledsusop/airflow,spektom/incubator-airflow,dud225/incubator-airflow,NielsZeilemaker/incubator-airflow,jwi078/incubator-airflow,mtagle/airflow,mylons/incubator-airflow,airbnb/airflow,janczak10/incubator-airflow,DinoCow/airflow,zodiac/incubator-airflow,danielvdende/incubator-airflow,jlowin/airflow,modsy/incubator-airflow,apache/incubator-airflow,cfei18/incubator-airflow,cjqian/incubator-airflow,gtoonstra/airflow,gritlogic/incubator-airflow,bolkedebruin/airflow,neovintage/airflow,Fokko/incubator-airflow,biln/airflow,griffinqiu/airflow,N3da/incubator-airflow,jgao54/airflow,hgrif/incubator-airflow,mistercrunch/airflow,airbnb/airflow,andyxhadji/incubator-airflow,cjqian/incubator-airflow,jbhsieh/incubator-airflow,dmitry-r/incubator-airflow,mrkm4ntr/incubator-airflow,apache/incubator-airflow,caseyching/incubator-airflow,dud225/incubator-airflow,andrewmchen/incubator-airflow,bolkedebruin/airflow,aminghadersohi/airflow,jlowin/airflow,CloverHealth/airflow,btallman/incubator-airflow,griffinqiu/airflow,Chedi/airflow,mistercrunch/airflow,forevernull/incubator-airflow,r39132/airflow,cjqian/incubator-airflow,malmiron/incubator-airflow,yoziru-desu/airflow,AllisonWang/incubator-airflow,nathanielvarona/airflow,saguziel/incubator-airflow,lxneng/incubator-airflow,jesusfcr/airflow,apache/airflow,malmiron/incubator-airflow,storpipfugl/airflow,ty707/airflow,storpipfugl/airflow,juvoinc/airflow,jgao54/airflow,gritlogic/incubator-airflow,sid88in/incubator-airflow,apache/airflow,mtustin-handy/airflow,janczak10/incubator-airflow,AllisonWang/incubator-airflow,opensignal/airflow,RealImpactAnalytics/airflow,cfei18/incubator-airflow,nathanielvarona/airflow,storpipfugl/airflow,hgrif/incubator-airflow,kerzhner/airflow,mtagle/airflow,DEVELByte/incubator-airflow,N3da/incubator-airflow,bolkedebruin/airflow,RealImpactAnalytics/airflow,zodiac/incubator-airflow,adamhaney/airflow,ledsusop/airflow,hamedhsn/incubator-airflow,rishibarve/incubator-airflow,sdiazb/airflow