E.g. curl -H 'Accept: application/json' http://127.0.0.4/build/3772858 | jq -r .drvpath /nix/store/97vla79lavlcsk8milskr06rfm34bskx-patchelf-0.8pre843_f4522f4.drv
E.g. curl -H 'Accept: application/json' http://127.0.0.4/build/3772858 | jq -r .drvpath /nix/store/97vla79lavlcsk8milskr06rfm34bskx-patchelf-0.8pre843_f4522f4.drv