nix build and nix develop fail

[AleXoundOS]

$ nix build --impure
trace: No index state specified for haskell-project, using the latest index state that we know about (2022-03-14T00:00:00Z)!
trace: WARNING: No sha256 found for source-repository-package git@github.com:cotrone/aws-lambda-haskell-runtime.git facd423e92911482d2c4d1f5eabc686c59c19204 download may fail in restricted mode (hydra)
fetching Git repository 'ssh://git@github.com/cotrone/aws-lambda-haskell-runtime.git'fatal: couldn't find remote ref refs/heads/facd423e92911482d2c4d1f5eabc686c59c19204
error:
       … while evaluating the attribute 'packages'

         at /nix/store/sv4wyinlihwwn9rzv7mhivagnmajjxyp-source/overlays/haskell.nix:760:17:

          759|                 #   `nix build .#pkg-name:test:test-name`
          760|                 packages = attrsForAllProjects packagesForProject;
             |                 ^
          761|                 # Used by:

       … while calling the 'listToAttrs' builtin

         at /nix/store/sv4wyinlihwwn9rzv7mhivagnmajjxyp-source/overlays/haskell.nix:748:42:

          747|                     ) (packageNames project);
          748|                 attrsForAllProjects = f: builtins.listToAttrs (
             |                                          ^
          749|                     f "" project

       (stack trace truncated; use '--show-trace' to show the full trace)

       error: program 'git' failed with exit code 128

$ nix develop --impure
trace: No index state specified for haskell-project, using the latest index state that we know about (2022-03-14T00:00:00Z)!
trace: WARNING: No sha256 found for source-repository-package git@github.com:cotrone/aws-lambda-haskell-runtime.git facd423e92911482d2c4d1f5eabc686c59c19204 download may fail in restricted mode (hydra)
fetching Git repository 'ssh://git@github.com/cotrone/aws-lambda-haskell-runtime.git'fatal: couldn't find remote ref refs/heads/facd423e92911482d2c4d1f5eabc686c59c19204
error:
       … while evaluating the attribute 'packages'

         at /nix/store/sv4wyinlihwwn9rzv7mhivagnmajjxyp-source/overlays/haskell.nix:760:17:

          759|                 #   `nix build .#pkg-name:test:test-name`
          760|                 packages = attrsForAllProjects packagesForProject;
             |                 ^
          761|                 # Used by:

       … while calling the 'listToAttrs' builtin

         at /nix/store/sv4wyinlihwwn9rzv7mhivagnmajjxyp-source/overlays/haskell.nix:748:42:

          747|                     ) (packageNames project);
          748|                 attrsForAllProjects = f: builtins.listToAttrs (
             |                                          ^
          749|                     f "" project

       (stack trace truncated; use '--show-trace' to show the full trace)

       error: program 'git' failed with exit code 128

nix develop without --impure also fails.

$ nix --version
nix (Nix) 2.15.1

[AleXoundOS]

I was able to build the project with these changes: master...AleXoundOS:haskell-aws-lambda-sam-nix:ghc928. However, the resulting binary is not statically linked. Static linking fails.