* The predecessor of a successor need not be present.  This in   particular happens on distributed builds or when using push/pull.
* The predecessor of a successor need not be present.  This in
  particular happens on distributed builds or when using push/pull.


ysangkok/nix,shlevy/nix,puffnfresh/nix,ehmry/nix,ehmry/nix,shlevy/nix,zimbatm/nix,puffnfresh/nix,tchajed/nix,vcunat/nix,gridaphobe/nix,wmertens/nix,wmertens/nix,vcunat/nix,layus/nix,bennofs/nix,rycee/nix,rycee/nix,bennofs/nix,peti/nix,garbas/nix,gridaphobe/nix,jcumming/nix,rowhit/nix,aucampia/nix,joelmo/nix,edolstra/nix,bennofs/nix,rycee/nix,offlinehacker/nix,layus/nix,ehmry/nix,aucampia/nix,shlevy/nix,gebner/nix,dtzWill/nix,joelmo/nix,peti/nix,vcunat/nix,NixOS/nix,zimbatm/nix,edolstra/nix,ehmry/nix,ttuegel/nix,vizanto/nix,pikajude/nix,acowley/nix,tchajed/nix,garbas/nix,bennofs/nix,layus/nix,NixOS/nix,vizanto/nix,gridaphobe/nix,bjornfor/nix,ehmry/nix,dtzWill/nix,gebner/nix,nbp/nix,garbas/nix,jcumming/nix,joelmo/nix,rowhit/nix,aucampia/nix,puffnfresh/nix,acowley/nix,gebner/nix,dezgeg/nix,acowley/nix,ttuegel/nix,offlinehacker/nix,dezgeg/nix,edolstra/nix,wmertens/nix,jcumming/nix,ysangkok/nix,peti/nix,shlevy/nix,dtzWill/nix,garbas/nix,aucampia/nix,nbp/nix,NixOS/nix,vizanto/nix,tchajed/nix,bjornfor/nix,layus/nix,ehmry/nix,rowhit/nix,ttuegel/nix,dezgeg/nix,joelmo/nix,offlinehacker/nix,vcunat/nix,edolstra/nix,ttuegel/nix,pikajude/nix,rycee/nix,peti/nix,jcumming/nix,ysangkok/nix,edolstra/nix,gebner/nix,acowley/nix,pikajude/nix,nbp/nix,NixOS/nix,shlevy/nix,bjornfor/nix,gridaphobe/nix,layus/nix,offlinehacker/nix,dtzWill/nix,zimbatm/nix,vizanto/nix,zimbatm/nix,puffnfresh/nix,dezgeg/nix,peti/nix,garbas/nix,tchajed/nix,rycee/nix,nbp/nix,NixOS/nix,dezgeg/nix,dtzWill/nix,wmertens/nix,rowhit/nix,bjornfor/nix