nix shell nixpkgs#bundix failure

gistfile1.txt

`$nix shell nixpkgs#bundix`
 
error: builder for '/nix/store/zgy6wbz807qpx3am9ddq1mqcpr7ckmg3-bundix-2.5.1.drv' failed with exit code 1;
       last 10 log lines:
       > unpacking source archive /nix/store/mnfji7ngmpsp0xbmcpc5m2nj97lkaf0f-source
       > source root is source
       > patching sources
       > updateAutotoolsGnuConfigScriptsPhase
       > configuring
       > no configure script, doing nothing
       > building
       > installing
       > buildFlags:
       > failure: $gempkg path unspecified
       For full logs, run 'nix log /nix/store/zgy6wbz807qpx3am9ddq1mqcpr7ckmg3-bundix-2.5.1.drv'.
       
       
       
       
       
`$nix log /nix/store/zgy6wbz807qpx3am9ddq1mqcpr7ckmg3-bundix-2.5.1.drv`

@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking sources
unpacking source archive /nix/store/mnfji7ngmpsp0xbmcpc5m2nj97lkaf0f-source
source root is source
@nix { "action": "setPhase", "phase": "patchPhase" }
patching sources
@nix { "action": "setPhase", "phase": "updateAutotoolsGnuConfigScriptsPhase" }
updateAutotoolsGnuConfigScriptsPhase
@nix { "action": "setPhase", "phase": "configurePhase" }
configuring
no configure script, doing nothing
@nix { "action": "setPhase", "phase": "buildPhase" }
building
@nix { "action": "setPhase", "phase": "installPhase" }
installing
buildFlags: 
failure: $gempkg path unspecified