gistfile1.txt

[avn@bulldozer:pts/14]~/work/haskell/xrefcheck% nix develop --show-trace --override-input haskell-nix /home/avn/nixos/haskell.nix                                   
warning: Git tree '/home/avn/work/haskell/xrefcheck' is dirty
warning: flake 'git+file:///home/avn/work/haskell/xrefcheck' has deprecated attribute 'edition'
warning: flake 'git+file:///home/avn/nixos/haskell.nix?ref=master&rev=9f7e26d59e426d04830a73981eef3c3c267d2743' has deprecated attribute 'edition'
warning: updating lock file '/home/avn/work/haskell/xrefcheck/flake.lock':
* Updated 'haskell-nix': 'git+file:///home/avn/nixos/haskell.nix' -> 'git+file:///home/avn/nixos/haskell.nix?ref=master&rev=9f7e26d59e426d04830a73981eef3c3c267d2743'
warning: Git tree '/home/avn/work/haskell/xrefcheck' is dirty
warning: flake 'git+file:///home/avn/work/haskell/xrefcheck' has deprecated attribute 'edition'
while evaluating 'fetch' at /nix/store/fxi7zagf72cddxr3k0cvg3dxsr7zv8ag-source/nix/sources.nix:70:23, called from /nix/store/fxi7zagf72cddxr3k0cvg3dxsr7zv8ag-source/nix/sources.nix:118:31:
while evaluating 'fetch_tarball' at /nix/store/fxi7zagf72cddxr3k0cvg3dxsr7zv8ag-source/nix/sources.nix:15:25, called from /nix/store/fxi7zagf72cddxr3k0cvg3dxsr7zv8ag-source/nix/sources.nix:75:41:
while evaluating the attribute 'pkgs' at /nix/store/fxi7zagf72cddxr3k0cvg3dxsr7zv8ag-source/nix/sources.nix:131:14:
while evaluating 'mkPkgs' at /nix/store/fxi7zagf72cddxr3k0cvg3dxsr7zv8ag-source/nix/sources.nix:51:12, called from /nix/store/fxi7zagf72cddxr3k0cvg3dxsr7zv8ag-source/nix/sources.nix:125:14:
while evaluating anonymous function at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/top-level/impure.nix:15:1, called from /nix/store/fxi7zagf72cddxr3k0cvg3dxsr7zv8ag-source/nix/sources.nix:54:9:
while evaluating anonymous function at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/top-level/default.nix:20:1, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/top-level/impure.nix:84:1:
while evaluating anonymous function at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/stdenv/booter.nix:42:1, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/top-level/default.nix:123:10:
while evaluating 'dfold' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/stdenv/booter.nix:60:27, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/stdenv/booter.nix:136:4:
while evaluating 'go' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/stdenv/booter.nix:63:18, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/stdenv/booter.nix:72:13:
while evaluating 'imap1' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/lists.nix:116:14, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/stdenv/booter.nix:78:30:
while evaluating 'reverseList' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/lists.nix:393:17, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/stdenv/booter.nix:85:6:
while evaluating anonymous function at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/stdenv/default.nix:7:1, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/top-level/default.nix:119:12:
while evaluating 'elaborate' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/systems/default.nix:17:15, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/top-level/default.nix:60:17:
while evaluating 'foldl' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/lists.nix:80:20, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/systems/default.nix:127:13:
while evaluating 'foldl'' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/lists.nix:82:16, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/lists.nix:86:8:
while evaluating the attribute 'parsed.abi.assertions' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/systems/default.nix:22:7:
while evaluating 'mkSystemFromString' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/systems/parse.nix:440:24, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/systems/default.nix:22:16:
while evaluating 'mkSkeletonFromList' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/systems/parse.nix:367:24, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/systems/parse.nix:440:49:
while evaluating 'splitString' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/strings.nix:382:23, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/systems/parse.nix:440:69:
while evaluating 'recurse' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/strings.nix:392:24, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/strings.nix:403:7:
while evaluating 'addContextFrom' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/strings.nix:369:23, called from /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/lib/strings.nix:385:11:
while evaluating the attribute 'system' at /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/top-level/impure.nix:90:30:

error: --- EvalError --------------------------------------------------------------------------------------------------------------------------------------------------------------- nix
in file: /nix/store/x0vxvwcf9hja4m9x73ajrz3210r04f8y-source/pkgs/top-level/impure.nix (90:39)

attribute 'currentSystem' missing