[clever@amd-nixos:~/apps/nixpkgs]$ git bisect start

[clever@amd-nixos:~/apps/nixpkgs]$ git bisect bad

[clever@amd-nixos:~/apps/nixpkgs]$ git checkout HEAD~1000
Previous HEAD position was c558d093ab... kdiff3: fix with git mergetool (#25059)
HEAD is now at ae67f060f2... phpfpm: eliminate build at evaluation time

[clever@amd-nixos:~/apps/nixpkgs]$ ls /tmp/result/bin/run-nixos-vm
/tmp/result/bin/run-nixos-vm

[clever@amd-nixos:~/apps/nixpkgs]$ git bisect good
Bisecting: 556 revisions left to test after this (roughly 9 steps)
[8cff9b9ccfe2b877ba2880d93b6b4eefada72926] renpy: mark as broken